diff --git a/CHANGELOG.md b/CHANGELOG.md
index d96126e8c..dab99ccf9 100755
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -22,6 +22,7 @@
 * fix `scheme-report-environment` [#268](https://github.com/jcubic/lips/issues/268)
 * fix writing to binary ports
 * fix unboxing object literals
+* throw error on comparing complex numbers [#248](https://github.com/jcubic/lips/issues/248)
 
 ## 1.0.0-beta.17
 ### Breaking
diff --git a/dist/lips.esm.js b/dist/lips.esm.js
index 536d6be8f..efd55655d 100644
--- a/dist/lips.esm.js
+++ b/dist/lips.esm.js
@@ -5796,7 +5796,7 @@ function unfetch(e,n){return n=n||{},new Promise(function(t,r){var s=new XMLHttp
  * Copyright (c) 2014-present, Facebook, Inc.
  * released under MIT license
  *
- * build: Mon, 15 Jan 2024 14:57:03 +0000
+ * build: Mon, 15 Jan 2024 15:20:04 +0000
  */
 var _excluded = ["token"],
   _excluded2 = ["env"],
@@ -12170,24 +12170,7 @@ LComplex.prototype._op = function (op, n) {
 };
 // -------------------------------------------------------------------------
 LComplex.prototype.cmp = function (n) {
-  var _this$coerce11 = this.coerce(n),
-    _this$coerce12 = _slicedToArray(_this$coerce11, 2),
-    a = _this$coerce12[0],
-    b = _this$coerce12[1];
-  var _a$__re__$coerce = a.__re__.coerce(b.__re__),
-    _a$__re__$coerce2 = _slicedToArray(_a$__re__$coerce, 2),
-    re_a = _a$__re__$coerce2[0],
-    re_b = _a$__re__$coerce2[1];
-  var re_cmp = re_a.cmp(re_b);
-  if (re_cmp !== 0) {
-    return re_cmp;
-  } else {
-    var _a$__im__$coerce = a.__im__.coerce(b.__im__),
-      _a$__im__$coerce2 = _slicedToArray(_a$__im__$coerce, 2),
-      im_a = _a$__im__$coerce2[0],
-      im_b = _a$__im__$coerce2[1];
-    return im_a.cmp(im_b);
-  }
+  throw new Error("Can't compare compex numbers");
 };
 // -------------------------------------------------------------------------
 LComplex.prototype.valueOf = function () {
@@ -15949,7 +15932,7 @@ var global_env = new Environment({
     for (var _len40 = arguments.length, args = new Array(_len40), _key41 = 0; _key41 < _len40; _key41++) {
       args[_key41] = arguments[_key41];
     }
-    typecheck_args('>', args, 'number');
+    typecheck_numbers('>', args, ['bigint', 'float', 'rational']);
     return seq_compare(function (a, b) {
       return LNumber(a).cmp(b) === 1;
     }, args);
@@ -15959,7 +15942,7 @@ var global_env = new Environment({
     for (var _len41 = arguments.length, args = new Array(_len41), _key42 = 0; _key42 < _len41; _key42++) {
       args[_key42] = arguments[_key42];
     }
-    typecheck_args('<', args, 'number');
+    typecheck_numbers('<', args, ['bigint', 'float', 'rational']);
     return seq_compare(function (a, b) {
       return LNumber(a).cmp(b) === -1;
     }, args);
@@ -15969,7 +15952,7 @@ var global_env = new Environment({
     for (var _len42 = arguments.length, args = new Array(_len42), _key43 = 0; _key43 < _len42; _key43++) {
       args[_key43] = arguments[_key43];
     }
-    typecheck_args('<=', args, 'number');
+    typecheck_numbers('<=', args, ['bigint', 'float', 'rational']);
     return seq_compare(function (a, b) {
       return [0, -1].includes(LNumber(a).cmp(b));
     }, args);
@@ -15979,7 +15962,7 @@ var global_env = new Environment({
     for (var _len43 = arguments.length, args = new Array(_len43), _key44 = 0; _key44 < _len43; _key44++) {
       args[_key44] = arguments[_key44];
     }
-    typecheck_args('>=', args, 'number');
+    typecheck_numbers('>=', args, ['bigint', 'float', 'rational']);
     return seq_compare(function (a, b) {
       return [0, 1].includes(LNumber(a).cmp(b));
     }, args);
@@ -16284,11 +16267,22 @@ function typeErrorMessage(fn, got, expected) {
       expected = 'a' + ('aeiou'.includes(first) ? 'n ' : ' ') + expected[0];
     } else {
       var last = expected[expected.length - 1];
-      expected = expected.slice(0, -1).join(', ') + ' or ' + last;
+      expected = expected.slice(0, -1).join(', ') + ', or ' + last;
     }
   }
-  return "Expecting ".concat(expected, ", got ").concat(got).concat(postfix);
+  return "Expecting ".concat(expected, " got ").concat(got).concat(postfix);
 }
+
+// -------------------------------------------------------------------------
+function typecheck_numbers(fn, args, expected) {
+  args.forEach(function (arg, i) {
+    typecheck(fn, arg, 'number', i + 1);
+    if (!expected.includes(arg.__type__)) {
+      throw new Error(typeErrorMessage(fn, arg.__type__, expected, i));
+    }
+  });
+}
+
 // -------------------------------------------------------------------------
 function typecheck_args(fn, args, expected) {
   args.forEach(function (arg, i) {
@@ -17549,10 +17543,10 @@ if (typeof window !== 'undefined') {
 // -------------------------------------------------------------------------
 var banner = function () {
   // Rollup tree-shaking is removing the variable if it's normal string because
-  // obviously 'Mon, 15 Jan 2024 14:57:03 +0000' == '{{' + 'DATE}}'; can be removed
+  // obviously 'Mon, 15 Jan 2024 15:20:04 +0000' == '{{' + 'DATE}}'; can be removed
   // but disabling Tree-shaking is adding lot of not used code so we use this
   // hack instead
-  var date = LString('Mon, 15 Jan 2024 14:57:03 +0000').valueOf();
+  var date = LString('Mon, 15 Jan 2024 15:20:04 +0000').valueOf();
   var _date = date === '{{' + 'DATE}}' ? new Date() : new Date(date);
   var _format = function _format(x) {
     return x.toString().padStart(2, '0');
@@ -17591,7 +17585,7 @@ read_only(QuotedPromise, '__class__', 'promise');
 read_only(Parameter, '__class__', 'parameter');
 // -------------------------------------------------------------------------
 var version = 'DEV';
-var date = 'Mon, 15 Jan 2024 14:57:03 +0000';
+var date = 'Mon, 15 Jan 2024 15:20:04 +0000';
 
 // unwrap async generator into Promise<Array>
 var parse = compose(uniterate_async, _parse);
diff --git a/dist/lips.esm.min.js b/dist/lips.esm.min.js
index 31e98e1a5..7f1130faf 100644
--- a/dist/lips.esm.min.js
+++ b/dist/lips.esm.min.js
@@ -47,5 +47,5 @@ function _classApplyDescriptorGet(e,t){if(t.get){return t.get.call(e)}return t.v
  * Copyright (c) 2014-present, Facebook, Inc.
  * released under MIT license
  *
- * build: Mon, 15 Jan 2024 14:57:03 +0000
- */var _excluded=["token"],_excluded2=["env"],_excluded3=["stderr","stdin","stdout","command_line"],_excluded4=["use_dynamic"],_excluded5=["use_dynamic"],_excluded6=["env","dynamic_env","use_dynamic","error"];function _classPrivateFieldInitSpec(e,t,r){_checkPrivateRedeclaration(e,t);t.set(e,r)}function _checkPrivateRedeclaration(e,t){if(t.has(e)){throw new TypeError("Cannot initialize the same private elements twice on an object")}}function _createSuper(i){var a=_isNativeReflectConstruct();return function e(){var t=_getPrototypeOf(i),r;if(a){var n=_getPrototypeOf(this).constructor;r=Reflect.construct(t,arguments,n)}else{r=t.apply(this,arguments)}return _possibleConstructorReturn(this,r)}}function _isNativeReflectConstruct(){if(typeof Reflect==="undefined"||!Reflect.construct)return false;if(Reflect.construct.sham)return false;if(typeof Proxy==="function")return true;try{Boolean.prototype.valueOf.call(Reflect.construct(Boolean,[],function(){}));return true}catch(e){return false}}function _createForOfIteratorHelper(t,e){var r=typeof Symbol!=="undefined"&&t[Symbol.iterator]||t["@@iterator"];if(!r){if(Array.isArray(t)||(r=_unsupportedIterableToArray(t))||e&&t&&typeof t.length==="number"){if(r)t=r;var n=0;var i=function e(){};return{s:i,n:function e(){if(n>=t.length)return{done:true};return{done:false,value:t[n++]}},e:function e(t){throw t},f:i}}throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.")}var a=true,o=false,u;return{s:function e(){r=r.call(t)},n:function e(){var t=r.next();a=t.done;return t},e:function e(t){o=true;u=t},f:function e(){try{if(!a&&r["return"]!=null)r["return"]()}finally{if(o)throw u}}}}function _unsupportedIterableToArray(e,t){if(!e)return;if(typeof e==="string")return _arrayLikeToArray(e,t);var r=Object.prototype.toString.call(e).slice(8,-1);if(r==="Object"&&e.constructor)r=e.constructor.name;if(r==="Map"||r==="Set")return Array.from(e);if(r==="Arguments"||/^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(r))return _arrayLikeToArray(e,t)}function _arrayLikeToArray(e,t){if(t==null||t>e.length)t=e.length;for(var r=0,n=new Array(t);r<t;r++){n[r]=e[r]}return n}function ownKeys(t,e){var r=Object.keys(t);if(Object.getOwnPropertySymbols){var n=Object.getOwnPropertySymbols(t);e&&(n=n.filter(function(e){return Object.getOwnPropertyDescriptor(t,e).enumerable})),r.push.apply(r,n)}return r}function _objectSpread(t){for(var e=1;e<arguments.length;e++){var r=null!=arguments[e]?arguments[e]:{};e%2?ownKeys(Object(r),!0).forEach(function(e){_defineProperty(t,e,r[e])}):Object.getOwnPropertyDescriptors?Object.defineProperties(t,Object.getOwnPropertyDescriptors(r)):ownKeys(Object(r)).forEach(function(e){Object.defineProperty(t,e,Object.getOwnPropertyDescriptor(r,e))})}return t}function _asyncIterator(e){var t,r,n,i=2;for("undefined"!=typeof Symbol&&(r=Symbol.asyncIterator,n=Symbol.iterator);i--;){if(r&&null!=(t=e[r]))return t.call(e);if(n&&null!=(t=e[n]))return new AsyncFromSyncIterator(t.call(e));r="@@asyncIterator",n="@@iterator"}throw new TypeError("Object is not async iterable")}function AsyncFromSyncIterator(e){function n(e){if(Object(e)!==e)return Promise.reject(new TypeError(e+" is not an object."));var t=e.done;return Promise.resolve(e.value).then(function(e){return{value:e,done:t}})}return AsyncFromSyncIterator=function e(t){this.s=t,this.n=t.next},AsyncFromSyncIterator.prototype={s:null,n:null,next:function e(){return n(this.n.apply(this.s,arguments))},return:function e(t){var r=this.s["return"];return void 0===r?Promise.resolve({value:t,done:!0}):n(r.apply(this.s,arguments))},throw:function e(t){var r=this.s["return"];return void 0===r?Promise.reject(t):n(r.apply(this.s,arguments))}},new AsyncFromSyncIterator(e)}var root=typeof global!=="undefined"?global:self;if(!root.fetch){root.fetch=unfetch}var type_mapping={pair:Pair,symbol:LSymbol,number:LNumber,array:Array,nil:Nil,character:LCharacter,values:Values,"input-port":InputPort,"output-port":OutputPort,regex:RegExp,syntax:Syntax,eof:EOF,macro:Macro,string:LString,"native-symbol":Symbol};var type_constants=new Map([[NaN,"NaN"],[null,"null"]]);var fs,path$2,nodeRequire;var BN=root.BN;function contentLoaded(r,n){var i=false,e=true,a=r.document,o=a.documentElement,t=a.addEventListener,u=t?"addEventListener":"attachEvent",l=t?"removeEventListener":"detachEvent",s=t?"":"on",c=function e(t){if(t.type=="readystatechange"&&a.readyState!="complete")return;(t.type=="load"?r:a)[l](s+t.type,e,false);if(!i&&(i=true))n.call(r,t.type||t)},f=function t(){try{o.doScroll("left")}catch(e){setTimeout(t,50);return}c("poll")};if(a.readyState=="complete")n.call(r,"lazy");else{if(!t&&o.doScroll){try{e=!r.frameElement}catch(e){}if(e)f()}a[u](s+"DOMContentLoaded",c,false);a[u](s+"readystatechange",c,false);r[u](s+"load",c,false)}}function log(e){var r=arguments.length>1&&arguments[1]!==undefined?arguments[1]:null;var n=arguments[1]===true;function t(e){if(!is_debug()){return}var t=global_env.get("repr")(e);if(r===null||r instanceof RegExp&&r.test(t)){console.log(global_env.get("type")(e)+": "+t)}if(n){console.log(e)}}if(is_promise(e)){e.then(t)}else{t(e)}return e}function is_debug(){var e=arguments.length>0&&arguments[0]!==undefined?arguments[0]:null;var t=user_env&&user_env.get("DEBUG",{throwError:false});if(e===null){return t===true}return(t===null||t===void 0?void 0:t.valueOf())===e.valueOf()}function num_mnemicic_re(e){return e?"(?:#".concat(e,"(?:#[ie])?|#[ie]#").concat(e,")"):"(?:#[ie])?"}function gen_rational_re(e,t){return"".concat(num_mnemicic_re(e),"[+-]?").concat(t,"+/").concat(t,"+")}function gen_complex_re(e,t){return"".concat(num_mnemicic_re(e),"(?:[+-]?(?:").concat(t,"+/").concat(t,"+|nan.0|inf.0|").concat(t,"+))?(?:[+-]i|[+-]?(?:").concat(t,"+/").concat(t,"+|").concat(t,"+|nan.0|inf.0)i)(?=[()[\\]\\s]|$)")}function gen_integer_re(e,t){return"".concat(num_mnemicic_re(e),"[+-]?").concat(t,"+")}var re_re=/^#\/((?:\\\/|[^/]|\[[^\]]*\/[^\]]*\])+)\/([gimyus]*)$/;var float_stre="(?:[-+]?(?:[0-9]+(?:[eE][-+]?[0-9]+)|(?:\\.[0-9]+|[0-9]+\\.[0-9]+)(?:[eE][-+]?[0-9]+)?)|[0-9]+\\.)";var complex_float_stre="(?:#[ie])?(?:[+-]?(?:[0-9]+/[0-9]+|nan.0|inf.0|".concat(float_stre,"|[+-]?[0-9]+))?(?:").concat(float_stre,"|[+-](?:[0-9]+/[0-9]+|[0-9]+|nan.0|inf.0))i");var float_re=new RegExp("^(#[ie])?".concat(float_stre,"$"),"i");function make_complex_match_re(e,t){var r=e==="x"?"(?!\\+|".concat(t,")"):"(?!\\.|".concat(t,")");var n="";if(e===""){n="(?:[-+]?(?:[0-9]+(?:[eE][-+]?[0-9]+)|(?:\\.[0-9]+|[0-9]+\\.[0-9]+(?![0-9]))(?:[eE][-+]?[0-9]+)?))"}return new RegExp("^((?:(?:".concat(n,"|[-+]?inf.0|[-+]?nan.0|[+-]?").concat(t,"+/").concat(t,"+(?!").concat(t,")|[+-]?").concat(t,"+)").concat(r,")?)(").concat(n,"|[-+]?inf.0|[-+]?nan.0|[+-]?").concat(t,"+/").concat(t,"+|[+-]?").concat(t,"+|[+-])i$"),"i")}var complex_list_re=function(){var a={};[[10,"","[0-9]"],[16,"x","[0-9a-fA-F]"],[8,"o","[0-7]"],[2,"b","[01]"]].forEach(function(e){var t=_slicedToArray(e,3),r=t[0],n=t[1],i=t[2];a[r]=make_complex_match_re(n,i)});return a}();var characters={alarm:"",backspace:"\b",delete:"",escape:"",newline:"\n",null:"\0",return:"\r",space:" ",tab:"\t",dle:"",soh:"
",dc1:"",stx:"",dc2:"",etx:"",dc3:"",eot:"",dc4:"",enq:"",nak:"",ack:"",syn:"",bel:"",etb:"",bs:"\b",can:"",ht:"\t",em:"",lf:"\n",sub:"",vt:"\v",esc:"",ff:"\f",fs:"",cr:"\r",gs:"",so:"",rs:"",si:"",us:"",del:""};function ucs2decode(e){var t=[];var r=0;var n=e.length;while(r<n){var i=e.charCodeAt(r++);if(i>=55296&&i<=56319&&r<n){var a=e.charCodeAt(r++);if((a&64512)===56320){t.push(((i&1023)<<10)+(a&1023)+65536)}else{t.push(i);r--}}else{t.push(i)}}return t}var character_symbols=Object.keys(characters).join("|");var char_sre_re="#\\\\(?:x[0-9a-f]+|".concat(character_symbols,"|[\\s\\S])");var char_re=new RegExp("^".concat(char_sre_re,"$"),"i");function make_num_stre(i){var e=[["o","[0-7]"],["x","[0-9a-fA-F]"],["b","[01]"],["d","[0-9]"],["","[0-9]"]];var t=e.map(function(e){var t=_slicedToArray(e,2),r=t[0],n=t[1];return i(r,n)}).join("|");if(i===gen_complex_re){t=complex_float_stre+"|"+t}return t}function make_type_re(e){return new RegExp("^(?:"+make_num_stre(e)+")$","i")}var complex_re=make_type_re(gen_complex_re);var rational_re=make_type_re(gen_rational_re);var int_re=make_type_re(gen_integer_re);var int_bare_re=new RegExp("^(?:"+gen_integer_re("","[0-9a-f]")+")$","i");var rational_bare_re=new RegExp("^(?:"+gen_rational_re("","[0-9a-f]")+")$","i");var complex_bare_re=new RegExp("^(?:"+gen_complex_re("","[0-9a-f]")+")$","i");var complex_bare_match_re=make_complex_match_re("","[0-9a-fA-F]");var pre_num_parse_re=/((?:#[xodbie]){0,2})(.*)/i;function num_pre_parse(e){var t=e.match(pre_num_parse_re);var r={};if(t[1]){var n=t[1].replace(/#/g,"").toLowerCase().split("");if(n.includes("x")){r.radix=16}else if(n.includes("o")){r.radix=8}else if(n.includes("b")){r.radix=2}else if(n.includes("d")){r.radix=10}if(n.includes("i")){r.inexact=true}if(n.includes("e")){r.exact=true}}r.number=t[2];return r}function parse_rational(e){var t=arguments.length>1&&arguments[1]!==undefined?arguments[1]:10;var r=num_pre_parse(e);var n=r.number.split("/");var i=LRational({num:LNumber([n[0],r.radix||t]),denom:LNumber([n[1],r.radix||t])});if(r.inexact){return i.valueOf()}else{return i}}function parse_integer(e){var t=arguments.length>1&&arguments[1]!==undefined?arguments[1]:10;var r=num_pre_parse(e);if(r.inexact){return LFloat(parseInt(r.number,r.radix||t))}return LNumber([r.number,r.radix||t])}function parse_character(e){var t=e.match(/#\\x([0-9a-f]+)$/i);var r;if(t){var n=parseInt(t[1],16);r=String.fromCodePoint(n)}else{t=e.match(/#\\(.+)$/);if(t){r=t[1]}}if(r){return LCharacter(r)}throw new Error("Parse: invalid character")}function parse_complex(e){var i=arguments.length>1&&arguments[1]!==undefined?arguments[1]:10;function t(e){var t;if(e==="+"){t=LNumber(1)}else if(e==="-"){t=LNumber(-1)}else if(e.match(int_bare_re)){t=LNumber([e,i])}else if(e.match(rational_bare_re)){var r=e.split("/");t=LRational({num:LNumber([r[0],i]),denom:LNumber([r[1],i])})}else if(e.match(float_re)){var n=parse_float(e);if(a.exact){return n.toRational()}return n}else if(e.match(/nan.0$/)){return LNumber(NaN)}else if(e.match(/inf.0$/)){if(e[0]==="-"){return LNumber(Number.NEGATIVE_INFINITY)}return LNumber(Number.POSITIVE_INFINITY)}else{throw new Error("Internal Parser Error")}if(a.inexact){return LFloat(t.valueOf())}return t}var a=num_pre_parse(e);i=a.radix||i;var r;var n=a.number.match(complex_bare_match_re);if(i!==10&&n){r=n}else{r=a.number.match(complex_list_re[i])}var o,u;u=t(r[2]);if(r[1]){o=t(r[1])}else{o=LNumber(0)}if(u.cmp(0)===0&&u.__type__==="bigint"){return o}return LComplex({im:u,re:o})}function is_int(e){return parseInt(e.toString(),10)===e}function parse_big_int(e){var t=e.match(/^(([-+]?[0-9]*)(?:\.([0-9]+))?)e([-+]?[0-9]+)/i);if(t){var r=parseInt(t[4],10);var n;var i=t[1].replace(/[-+]?([0-9]*)\..+$/,"$1").length;var a=t[3]&&t[3].length;if(i<Math.abs(r)){n=LNumber([t[1].replace(/\./,""),10]);if(a){r-=a}}}return{exponent:r,mantisa:n}}function parse_float(e){var t=num_pre_parse(e);var r=parseFloat(t.number);var n=(t.number.match(/\.0$/)||!t.number.match(/\./))&&!t.number.match(/e/i);if(!t.inexact){if(t.exact&&n){return LNumber(r)}if(is_int(r)&&t.number.match(/e\+?[0-9]/i)){return LNumber(r)}var i=parse_big_int(t.number),a=i.mantisa,o=i.exponent;if(a!==undefined&&o!==undefined){var u=LNumber(10).pow(LNumber(Math.abs(o)));if(t.exact&&o<0){return LRational({num:a,denom:u})}else if(o>0){return LNumber(a).mul(u)}}}r=LFloat(r);if(t.exact){return r.toRational()}return r}function parse_string(e){e=e.replace(/\\x([0-9a-f]+);/gi,function(e,t){return"\\u"+t.padStart(4,"0")}).replace(/\n/g,"\\n");var t=e.match(/(\\*)(\\x[0-9A-F])/i);if(t&&t[1].length%2===0){throw new Error("Invalid string literal, unclosed ".concat(t[2]))}try{return LString(JSON.parse(e))}catch(e){var r=e.message.replace(/in JSON /,"").replace(/.*Error: /,"");throw new Error("Invalid string literal: ".concat(r))}}function parse_symbol(e){if(e.match(/^\|.*\|$/)){e=e.replace(/(^\|)|(\|$)/g,"");var r={t:"\t",r:"\r",n:"\n"};e=e.replace(/\\(x[^;]+);/g,function(e,t){return String.fromCharCode(parseInt("0"+t,16))}).replace(/\\(.)/g,function(e,t){return r[t]||t})}return new LSymbol(e)}function parse_argument(e){if(constants.hasOwnProperty(e)){return constants[e]}if(e.match(/^"[\s\S]*"$/)){return parse_string(e)}else if(e[0]==="#"){var t=e.match(re_re);if(t){return new RegExp(t[1],t[2])}else if(e.match(char_re)){return parse_character(e)}var r=e.match(/#\\(.+)/);if(r&&ucs2decode(r[1]).length===1){return parse_character(e)}}if(e.match(/[0-9a-f]|[+-]i/i)){if(e.match(int_re)){return parse_integer(e)}else if(e.match(float_re)){return parse_float(e)}else if(e.match(rational_re)){return parse_rational(e)}else if(e.match(complex_re)){return parse_complex(e)}}if(e.match(/^#[iexobd]/)){throw new Error("Invalid numeric constant: "+e)}return parse_symbol(e)}function is_atom_string(e){return!(["(",")","[","]"].includes(e)||specials.names().includes(e))}function is_symbol_string(e){return is_atom_string(e)&&!(e.match(re_re)||e.match(/^"[\s\S]*"$/)||e.match(int_re)||e.match(float_re)||e.match(complex_re)||e.match(rational_re)||e.match(char_re)||["#t","#f","nil","true","false"].includes(e))}var string_re=/"(?:\\[\S\s]|[^"])*"?/g;function escape_regex(e){if(typeof e==="string"){var t=/([-\\^$[\]()+{}?*.|])/g;return e.replace(t,"\\$1")}return e}function Stack(){this.data=[]}Stack.prototype.push=function(e){this.data.push(e)};Stack.prototype.top=function(){return this.data[this.data.length-1]};Stack.prototype.pop=function(){return this.data.pop()};Stack.prototype.is_empty=function(){return!this.data.length};function tokens(e){if(e instanceof LString){e=e.valueOf()}var t=new Lexer(e,{whitespace:true});var r=[];while(true){var n=t.peek(true);if(n===eof){break}r.push(n);t.skip()}return r}function multiline_formatter(e){var t=e.token,r=_objectWithoutProperties(e,_excluded);if(t.match(/^"[\s\S]*"$/)&&t.match(/\n/)){var n=new RegExp("^ {1,"+(e.col+1)+"}","mg");t=t.replace(n,"")}return _objectSpread({token:t},r)}function Thunk(e){var t=arguments.length>1&&arguments[1]!==undefined?arguments[1]:function(){};this.fn=e;this.cont=t}Thunk.prototype.toString=function(){return"#<Thunk>"};function trampoline(n){return function(){for(var e=arguments.length,t=new Array(e),r=0;r<e;r++){t[r]=arguments[r]}return unwind(n.apply(this,t))}}function unwind(e){while(e instanceof Thunk){var t=e;e=e.fn();if(!(e instanceof Thunk)){t.cont()}}return e}function tokenize(e){var t=arguments.length>1&&arguments[1]!==undefined?arguments[1]:false;if(e instanceof LString){e=e.toString()}if(t){return tokens(e)}else{var r=tokens(e).map(function(e){if(e.token==="#\\ "){return e.token}return e.token.trim()}).filter(function(e){return e&&!e.match(/^;/)&&!e.match(/^#\|[\s\S]*\|#$/)});return strip_s_comments(r)}}function strip_s_comments(e){var t=0;var r=null;var n=[];for(var i=0;i<e.length;++i){var a=e[i];if(a==="#;"){if(["(","["].includes(e[i+1])){t=1;r=i}else{n.push([i,i+2])}i+=1;continue}if(r!==null){if([")","]"].includes(a)){t--}else if(["(","["].includes(a)){t++}if(t===0){n.push([r,i+1]);r=null}}}e=e.slice();n.reverse();for(var o=0,u=n;o<u.length;o++){var s=_slicedToArray(u[o],2),c=s[0],l=s[1];e.splice(c,l-c)}return e}function isSymbol(e){return _typeof(e)==="symbol"||_typeof(e)==="object"&&Object.prototype.toString.call(e)==="[object Symbol]"}function LSymbol(e){if(typeof this!=="undefined"&&this.constructor!==LSymbol||typeof this==="undefined"){return new LSymbol(e)}if(e instanceof LString){e=e.valueOf()}if(LSymbol.list[e]instanceof LSymbol){return LSymbol.list[e]}this.__name__=e;if(typeof e==="string"){LSymbol.list[e]=this}}LSymbol.list={};LSymbol.literal=Symbol["for"]("__literal__");LSymbol.object=Symbol["for"]("__object__");LSymbol.is=function(e,t){return e instanceof LSymbol&&(t instanceof LSymbol&&e.__name__===t.__name__||typeof t==="string"&&e.__name__===t||t instanceof RegExp&&t.test(e.__name__))};LSymbol.prototype.toString=function(e){if(isSymbol(this.__name__)){return symbol_to_string(this.__name__)}var t=this.valueOf();if(e&&t.match(/(^;|[\s()[\]'])/)){return"|".concat(t,"|")}return t};LSymbol.prototype.literal=function(){if(this.is_gensym()){return this[LSymbol.literal]}return this.valueOf()};LSymbol.prototype.serialize=function(){if(LString.isString(this.__name__)){return this.__name__}return[symbol_to_string(this.__name__)]};LSymbol.prototype.valueOf=function(){return this.__name__.valueOf()};LSymbol.prototype.is_gensym=function(){return is_gensym(this.__name__)};function symbol_to_string(e){return e.toString().replace(/^Symbol\(([^)]+)\)/,"$1")}function is_gensym(e){if(_typeof(e)==="symbol"){return!!e.toString().match(/^Symbol\(#:/)}return false}var gensym=function(){var t=0;function r(e,t){var r=new LSymbol(t);hidden_prop(r,"__literal__",e);return r}return function(){var e=arguments.length>0&&arguments[0]!==undefined?arguments[0]:null;if(e instanceof LSymbol){if(e.is_gensym()){return e}e=e.valueOf()}if(is_gensym(e)){return LSymbol(e)}if(e!==null){return r(e,Symbol("#:".concat(e)))}t++;return r(t,Symbol("#:g".concat(t)))}}();function QuotedPromise(e){var r=this;var n={pending:true,rejected:false,fulfilled:false,reason:undefined,type:undefined};e=e.then(function(e){n.type=type(e);n.fulfilled=true;n.pending=false;return e});read_only(this,"_promise",e,{hidden:true});if(is_function(e["catch"])){e=e["catch"](function(e){n.rejected=true;n.pending=false;n.reason=e})}Object.keys(n).forEach(function(t){Object.defineProperty(r,"__".concat(t,"__"),{enumerable:true,get:function e(){return n[t]}})});read_only(this,"__promise__",e);this.then=false}QuotedPromise.prototype.then=function(e){return new QuotedPromise(this.valueOf().then(e))};QuotedPromise.prototype["catch"]=function(e){return new QuotedPromise(this.valueOf()["catch"](e))};QuotedPromise.prototype.valueOf=function(){if(!this._promise){throw new Error("QuotedPromise: invalid promise created")}return this._promise};QuotedPromise.prototype.toString=function(){if(this.__pending__){return QuotedPromise.pending_str}if(this.__rejected__){return QuotedPromise.rejected_str}return"#<js-promise resolved (".concat(this.__type__,")>")};QuotedPromise.pending_str="#<js-promise (pending)>";QuotedPromise.rejected_str="#<js-promise (rejected)>";function promise_all(e){if(Array.isArray(e)){return Promise.all(escape_quoted_promises(e)).then(unescape_quoted_promises)}return e}function escape_quoted_promises(e){var t=new Array(e.length),r=e.length;while(r--){var n=e[r];if(n instanceof QuotedPromise){t[r]=new Value(n)}else{t[r]=n}}return t}function unescape_quoted_promises(e){var t=new Array(e.length),r=e.length;while(r--){var n=e[r];if(n instanceof Value){t[r]=n.valueOf()}else{t[r]=n}}return t}var specials={LITERAL:Symbol["for"]("literal"),SPLICE:Symbol["for"]("splice"),SYMBOL:Symbol["for"]("symbol"),names:function e(){return Object.keys(this.__list__)},type:function e(t){try{return this.get(t).type}catch(e){console.log({name:t});console.log(e);return null}},get:function e(t){return this.__list__[t]},off:function e(t){var r=this;var n=arguments.length>1&&arguments[1]!==undefined?arguments[1]:null;if(Array.isArray(t)){t.forEach(function(e){return r.off(e,n)})}else if(n===null){delete this.__events__[t]}else{this.__events__=this.__events__.filter(function(e){return e!==n})}},on:function e(t,r){var n=this;if(Array.isArray(t)){t.forEach(function(e){return n.on(e,r)})}else if(!this.__events__[t]){this.__events__[t]=[r]}else{this.__events__[t].push(r)}},trigger:function e(t){for(var r=arguments.length,n=new Array(r>1?r-1:0),i=1;i<r;i++){n[i-1]=arguments[i]}if(this.__events__[t]){this.__events__[t].forEach(function(e){return e.apply(void 0,n)})}},remove:function e(t){delete this.__list__[t];this.trigger("remove")},append:function e(t,r,n){this.__list__[t]={seq:t,symbol:r,type:n};this.trigger("append")},__events__:{},__list__:{}};function is_special(e){return specials.names().includes(e)}function is_builtin(e){return specials.__builtins__.includes(e)}function is_literal(e){return specials.type(e)===specials.LITERAL}function is_symbol_extension(e){return specials.type(e)===specials.SYMBOL}var defined_specials=[["'",new LSymbol("quote"),specials.LITERAL],["`",new LSymbol("quasiquote"),specials.LITERAL],[",@",new LSymbol("unquote-splicing"),specials.LITERAL],[",",new LSymbol("unquote"),specials.LITERAL],["'>",new LSymbol("quote-promise"),specials.LITERAL]];var builtins=defined_specials.map(function(e){return e[0]});Object.freeze(builtins);Object.defineProperty(specials,"__builtins__",{writable:false,value:builtins});defined_specials.forEach(function(e){var t=_slicedToArray(e,3),r=t[0],n=t[1],i=t[2];specials.append(r,n,i)});var Lexer=function(){function p(e){var t=this;var r=arguments.length>1&&arguments[1]!==undefined?arguments[1]:{},n=r.whitespace,i=n===void 0?false:n;_classCallCheck(this,p);read_only(this,"__input__",e.replace(/\r/g,""));var a={};["_i","_whitespace","_col","_newline","_line","_state","_next","_token","_prev_char"].forEach(function(r){Object.defineProperty(t,r,{configurable:false,enumerable:false,get:function e(){return a[r]},set:function e(t){a[r]=t}})});this._whitespace=i;this._i=this._line=this._col=this._newline=0;this._state=this._next=this._token=null;this._prev_char=""}_createClass(p,[{key:"get",value:function e(t){return this.__internal[t]}},{key:"set",value:function e(t,r){this.__internal[t]=r}},{key:"token",value:function e(){var t=arguments.length>0&&arguments[0]!==undefined?arguments[0]:false;if(t){var r=this._line;if(this._whitespace&&this._token==="\n"){--r}return{token:this._token,col:this._col,offset:this._i,line:r}}return this._token}},{key:"peek",value:function e(){var t=arguments.length>0&&arguments[0]!==undefined?arguments[0]:false;if(this._i>=this.__input__.length){return eof}if(this._token){return this.token(t)}var r=this.next_token();if(r){this._token=this.__input__.substring(this._i,this._next);return this.token(t)}return eof}},{key:"skip",value:function e(){if(this._next!==null){this._token=null;this._i=this._next}}},{key:"read_line",value:function e(){var t=this.__input__.length;if(this._i>=t){return eof}for(var r=this._i;r<t;++r){var n=this.__input__[r];if(n==="\n"){var i=this.__input__.substring(this._i,r);this._i=r+1;++this._line;return i}}return this.read_rest()}},{key:"read_rest",value:function e(){var t=this._i;this._i=this.__input__.length;return this.__input__.substring(t)}},{key:"read_string",value:function e(t){var r=this.__input__.length;if(this._i>=r){return eof}if(t+this._i>=r){return this.read_rest()}var n=this._i+t;var i=this.__input__.substring(this._i,n);var a=i.match(/\n/g);if(a){this._line+=a.length}this._i=n;return i}},{key:"peek_char",value:function e(){if(this._i>=this.__input__.length){return eof}return LCharacter(this.__input__[this._i])}},{key:"read_char",value:function e(){var t=this.peek_char();this.skip_char();return t}},{key:"skip_char",value:function e(){if(this._i<this.__input__.length){++this._i;this._token=null}}},{key:"match_rule",value:function c(e){var t=arguments.length>1&&arguments[1]!==undefined?arguments[1]:{},r=t.prev_char,n=t["char"],i=t.next_char;var a=_slicedToArray(e,4),o=a[0],u=a[1],s=a[2],l=a[3];if(e.length!==5){throw new Error("Lexer: Invalid rule of length ".concat(e.length))}if(!n.match(o)){return false}if(!match_or_null(u,r)){return false}if(!match_or_null(s,i)){return false}if(l!==this._state){return false}return true}},{key:"next_token",value:function l(){if(this._i>=this.__input__.length){return false}var e=true;e:for(var t=this._i,r=this.__input__.length;t<r;++t){var n=this.__input__[t];var i=this.__input__[t-1]||"";var a=this.__input__[t+1]||"";if(n==="\n"){++this._line;var o=this._newline;if(this._state===null){this._newline=t+1}if(this._whitespace&&this._state===null){this._next=t+1;this._col=this._i-o;return true}}if(e&&this._state===null&&n.match(/\s/)){if(this._whitespace){if(!a.match(/\s/)){this._next=t+1;this._col=this._i-this._newline;return true}else{continue}}else{this._i=t+1;continue}}e=false;var u=_createForOfIteratorHelper(p.rules),s;try{for(u.s();!(s=u.n()).done;){var c=s.value;if(this.match_rule(c,{prev_char:i,char:n,next_char:a})){var f=c[c.length-1];this._state=f;if(this._state===null){this._next=t+1;this._col=this._i-this._newline;return true}continue e}}}catch(e){u.e(e)}finally{u.f()}if(this._state!==null){continue e}var _=this.__input__.split("\n")[this._line];throw new Error("Invalid Syntax at line ".concat(this._line,"\n").concat(_))}}}]);return p}();Lexer.literal_rule=function e(t,r){var n=arguments.length>2&&arguments[2]!==undefined?arguments[2]:null;var i=arguments.length>3&&arguments[3]!==undefined?arguments[3]:null;if(t.length===0){throw new Error("Lexer: invalid literal rule")}if(t.length===1){return[[t,n,i,null,null]]}var a=[];for(var o=0,u=t.length;o<u;++o){var s=[];s.push(t[o]);s.push(t[o-1]||n);s.push(t[o+1]||i);if(o===0){s.push(null);s.push(r)}else if(o===u-1){s.push(r);s.push(null)}else{s.push(r);s.push(r)}a.push(s)}return a};Lexer.string=Symbol["for"]("string");Lexer.string_escape=Symbol["for"]("string_escape");Lexer.symbol=Symbol["for"]("symbol");Lexer.comment=Symbol["for"]("comment");Lexer.regex=Symbol["for"]("regex");Lexer.regex_init=Symbol["for"]("regex_init");Lexer.regex_class=Symbol["for"]("regex_class");Lexer.character=Symbol["for"]("character");Lexer.bracket=Symbol["for"]("bracket");Lexer.b_symbol=Symbol["for"]("b_symbol");Lexer.b_comment=Symbol["for"]("b_comment");Lexer.i_comment=Symbol["for"]("i_comment");Lexer.l_datum=Symbol["for"]("l_datum");Lexer.dot=Symbol["for"]("dot");Lexer.boundary=/^$|[\s()[\]']/;Lexer._rules=[[/"/,null,null,Lexer.string,null],[/"/,null,null,null,Lexer.string],[/"/,null,null,Lexer.string_escape,Lexer.string],[/\\/,null,null,Lexer.string,Lexer.string_escape],[/./,/\\/,null,Lexer.string_escape,Lexer.string],[/#/,null,/[bdxoeitf]/i,null,Lexer.symbol],[/#/,null,/\\/,null,Lexer.character],[/\\/,/#/,/\s/,Lexer.character,Lexer.character],[/\\/,/#/,/[()[\]]/,Lexer.character,Lexer.character],[/\s/,/\\/,null,Lexer.character,null],[/\S/,null,Lexer.boundary,Lexer.character,null],[/#/,Lexer.boundary,/\//,null,Lexer.regex_init],[/./,/\//,null,Lexer.regex_init,Lexer.regex],[/[ \t]/,null,null,Lexer.regex,Lexer.regex],[/\[/,null,null,Lexer.regex,Lexer.regex_class],[/\]/,/[^\\]/,null,Lexer.regex_class,Lexer.regex],[/[()[\]]/,null,null,Lexer.regex,Lexer.regex],[/\//,/\\/,null,Lexer.regex,Lexer.regex],[/\//,/[^#]/,Lexer.boundary,Lexer.regex,null],[/[gimyus]/,/\//,Lexer.boundary,Lexer.regex,null],[/[gimyus]/,/\//,/[gimyus]/,Lexer.regex,Lexer.regex],[/[gimyus]/,/[gimyus]/,Lexer.boundary,Lexer.regex,null],[/;/,/^$|[^#]/,null,null,Lexer.comment],[/\n/,";",null,Lexer.comment,null],[/[\s\S]/,null,/\n/,Lexer.comment,null],[/\s/,null,null,Lexer.comment,Lexer.comment],[/#/,null,/\|/,null,Lexer.b_comment],[/\s/,null,null,Lexer.b_comment,Lexer.b_comment],[/#/,/\|/,null,Lexer.b_comment,null],[/#/,null,/;/,null,Lexer.i_comment],[/;/,/#/,null,Lexer.i_comment,null],[/#/,null,/[0-9]/,null,Lexer.l_datum],[/=/,/[0-9]/,null,Lexer.l_datum,null],[/#/,/[0-9]/,null,Lexer.l_datum,null],[/\./,Lexer.boundary,/,/,null,null],[/\|/,null,null,null,Lexer.b_symbol],[/\s/,null,null,Lexer.b_symbol,Lexer.b_symbol],[/\|/,null,Lexer.boundary,Lexer.b_symbol,null]];Lexer._brackets=[[/[()[\]]/,null,null,null,null]];Lexer._symbol_rules=[[/\S/,Lexer.boundary,Lexer.boundary,null,null],[/\S/,Lexer.boundary,null,null,Lexer.symbol],[/\S/,null,Lexer.boundary,null,null],[/\S/,null,null,null,Lexer.symbol],[/\S/,null,Lexer.boundary,Lexer.symbol,null]];Lexer._cache={valid:false,rules:null};specials.on(["remove","append"],function(){Lexer._cache.valid=false;Lexer._cache.rules=null});Object.defineProperty(Lexer,"rules",{get:function e(){if(Lexer._cache.valid){return Lexer._cache.rules}var t=specials.names().sort(function(e,t){return t.length-e.length||e.localeCompare(t)});var r=t.reduce(function(e,t){var r=specials.get(t);r.type;var n=r.symbol;var i;var a;if(t[0]==="#"){if(t.length===1){a=Symbol["for"](t)}else{a=Symbol["for"](t[1])}}else{a=n}i=Lexer.literal_rule(t,a);return e.concat(i)},[]);Lexer._cache.rules=Lexer._rules.concat(Lexer._brackets,r,Lexer._symbol_rules);Lexer._cache.valid=true;return Lexer._cache.rules}});function match_or_null(e,t){return e===null||t.match(e)}var Parser=function(){function u(e){var t=arguments.length>1&&arguments[1]!==undefined?arguments[1]:{},r=t.env,n=t.meta,i=n===void 0?false:n,a=t.formatter,o=a===void 0?multiline_formatter:a;_classCallCheck(this,u);if(e instanceof LString){e=e.toString()}read_only(this,"_formatter",o,{hidden:true});read_only(this,"__lexer__",new Lexer(e));read_only(this,"__env__",r);read_only(this,"_meta",i,{hidden:true});read_only(this,"_refs",[],{hidden:true});read_only(this,"_state",{parentheses:0},{hidden:true})}_createClass(u,[{key:"resolve",value:function e(t){return this.__env__&&this.__env__.get(t,{throwError:false})}},{key:"peek",value:function(){var e=_asyncToGenerator(_regeneratorRuntime.mark(function e(){var r;return _regeneratorRuntime.wrap(function e(t){while(1){switch(t.prev=t.next){case 0:r=this.__lexer__.peek(true);if(!(r===eof)){t.next=4;break}return t.abrupt("return",eof);case 4:if(!this.is_comment(r.token)){t.next=7;break}this.skip();return t.abrupt("continue",0);case 7:if(!(r.token==="#;")){t.next=14;break}this.skip();if(!(this.__lexer__.peek()===eof)){t.next=11;break}throw new Error("Lexer: syntax error eof found after comment");case 11:t.next=13;return this._read_object();case 13:return t.abrupt("continue",0);case 14:return t.abrupt("break",17);case 17:r=this._formatter(r);if(!this._meta){t.next=20;break}return t.abrupt("return",r);case 20:return t.abrupt("return",r.token);case 21:case"end":return t.stop()}}},e,this)}));function t(){return e.apply(this,arguments)}return t}()},{key:"reset",value:function e(){this._refs.length=0}},{key:"skip",value:function e(){this.__lexer__.skip()}},{key:"read",value:function(){var e=_asyncToGenerator(_regeneratorRuntime.mark(function e(){var r;return _regeneratorRuntime.wrap(function e(t){while(1){switch(t.prev=t.next){case 0:t.next=2;return this.peek();case 2:r=t.sent;this.skip();return t.abrupt("return",r);case 5:case"end":return t.stop()}}},e,this)}));function t(){return e.apply(this,arguments)}return t}()},{key:"match_datum_label",value:function e(t){var r=t.match(/^#([0-9]+)=$/);return r&&r[1]}},{key:"match_datum_ref",value:function e(t){var r=t.match(/^#([0-9]+)#$/);return r&&r[1]}},{key:"is_open",value:function e(t){var r=["(","["].includes(t);if(r){this._state.parentheses++}return r}},{key:"is_close",value:function e(t){var r=[")","]"].includes(t);if(r){this._state.parentheses--}return r}},{key:"read_list",value:function(){var e=_asyncToGenerator(_regeneratorRuntime.mark(function e(){var r,n,i,a;return _regeneratorRuntime.wrap(function e(t){while(1){switch(t.prev=t.next){case 0:r=_nil,n=r;case 1:t.next=4;return this.peek();case 4:i=t.sent;if(!(i===eof)){t.next=7;break}return t.abrupt("break",27);case 7:if(!this.is_close(i)){t.next=10;break}this.skip();return t.abrupt("break",27);case 10:if(!(i==="."&&r!==_nil)){t.next=17;break}this.skip();t.next=14;return this._read_object();case 14:n.cdr=t.sent;t.next=25;break;case 17:t.t0=Pair;t.next=20;return this._read_object();case 20:t.t1=t.sent;t.t2=_nil;a=new t.t0(t.t1,t.t2);if(r===_nil){r=a}else{n.cdr=a}n=a;case 25:t.next=1;break;case 27:return t.abrupt("return",r);case 28:case"end":return t.stop()}}},e,this)}));function t(){return e.apply(this,arguments)}return t}()},{key:"read_value",value:function(){var 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t.stop()}}},e,this)}));function e(e){return t.apply(this,arguments)}return e}()},{key:"_read_object",value:function(){var e=_asyncToGenerator(_regeneratorRuntime.mark(function e(){var r,n,_,i,a,o,u,s,c,l,f;return _regeneratorRuntime.wrap(function e(t){while(1){switch(t.prev=t.next){case 0:t.next=2;return this.peek();case 2:r=t.sent;if(!(r===eof)){t.next=5;break}return t.abrupt("return",r);case 5:if(!is_special(r)){t.next=38;break}n=specials.get(r);_=is_builtin(r);this.skip();a=is_symbol_extension(r);if(!a){t.next=14;break}t.t0=undefined;t.next=17;break;case 14:t.next=16;return this._read_object();case 16:t.t0=t.sent;case 17:o=t.t0;if(_){t.next=25;break}u=this.__env__.get(n.symbol);if(!(typeof u==="function")){t.next=25;break}if(is_literal(r)){s=[o]}else if(o===_nil){s=[]}else if(o instanceof Pair){s=o.to_array(false)}if(!(s||a)){t.next=24;break}return t.abrupt("return",call_function(u,a?[]:s,{env:this.__env__,dynamic_env:this.__env__,use_dynamic:false}));case 24:throw new Error("Parse 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51:if(!this.is_close(r)){t.next=55;break}this.skip();t.next=61;break;case 55:if(!this.is_open(r)){t.next=60;break}this.skip();return t.abrupt("return",this.read_list());case 60:return t.abrupt("return",this.read_value());case 61:case"end":return t.stop()}}},e,this)}));function t(){return e.apply(this,arguments)}return t}()}]);return u}();var DatumReference=function(){function r(e,t){_classCallCheck(this,r);this.name=e;this.data=t}_createClass(r,[{key:"valueOf",value:function e(){return this.data}}]);return r}();function _parse(e,t){return _parse2.apply(this,arguments)}function _parse2(){_parse2=_wrapAsyncGenerator(_regeneratorRuntime.mark(function e(r,n){var i,a,o;return _regeneratorRuntime.wrap(function e(t){while(1){switch(t.prev=t.next){case 0:if(!n){if(global_env){n=global_env.get("**interaction-environment**",{throwError:false})}else{n=user_env}}i=new Parser(r,{env:n});case 3:t.next=6;return _awaitAsyncGenerator(i.read_object());case 6:o=t.sent;if(!i.balanced()){i.ballancing_error(o,a)}if(!(o===eof)){t.next=10;break}return t.abrupt("break",15);case 10:a=o;t.next=13;return o;case 13:t.next=3;break;case 15:case"end":return t.stop()}}},e)}));return _parse2.apply(this,arguments)}function unpromise(e){var t=arguments.length>1&&arguments[1]!==undefined?arguments[1]:function(e){return e};var r=arguments.length>2&&arguments[2]!==undefined?arguments[2]:null;if(is_promise(e)){var n=e.then(t);if(r===null){return n}else{return n["catch"](r)}}if(e instanceof Array){return unpromise_array(e,t,r)}if(is_plain_object(e)){return unpromise_object(e,t,r)}return t(e)}function unpromise_array(t,r,e){if(t.find(is_promise)){return unpromise(promise_all(t),function(e){if(Object.isFrozen(t)){Object.freeze(e)}return r(e)},e)}return r(t)}function unpromise_object(t,e,r){var i=Object.keys(t);var n=[],a=[];var o=i.length;while(o--){var u=i[o];var s=t[u];n[o]=s;if(is_promise(s)){a.push(s)}}if(a.length){return unpromise(promise_all(n),function(e){var n={};e.forEach(function(e,t){var r=i[t];n[r]=e});if(Object.isFrozen(t)){Object.freeze(n)}return n},r)}return e(t)}function read_only(e,t,r){var n=arguments.length>3&&arguments[3]!==undefined?arguments[3]:{},i=n.hidden,a=i===void 0?false:i;Object.defineProperty(e,t,{value:r,configurable:true,enumerable:!a})}function uniterate_async(e){return _uniterate_async.apply(this,arguments)}function _uniterate_async(){_uniterate_async=_asyncToGenerator(_regeneratorRuntime.mark(function e(r){var n,i,a,o,u,s,c;return _regeneratorRuntime.wrap(function e(t){while(1){switch(t.prev=t.next){case 0:n=[];i=false;a=false;t.prev=3;u=_asyncIterator(r);case 5:t.next=7;return u.next();case 7:if(!(i=!(s=t.sent).done)){t.next=13;break}c=s.value;n.push(c);case 10:i=false;t.next=5;break;case 13:t.next=19;break;case 15:t.prev=15;t.t0=t["catch"](3);a=true;o=t.t0;case 19:t.prev=19;t.prev=20;if(!(i&&u["return"]!=null)){t.next=24;break}t.next=24;return u["return"]();case 24:t.prev=24;if(!a){t.next=27;break}throw o;case 27:return t.finish(24);case 28:return t.finish(19);case 29:return t.abrupt("return",n);case 30:case"end":return t.stop()}}},e,null,[[3,15,19,29],[20,,24,28]])}));return _uniterate_async.apply(this,arguments)}function matcher(e,t){if(t instanceof RegExp){return function(e){return String(e).match(t)}}else if(is_function(t)){return t}throw new Error("Invalid matcher")}function doc(e,t,r,n){if(typeof e!=="string"){t=arguments[0];r=arguments[1];n=arguments[2];e=null}if(r){if(n){t.__doc__=r}else{t.__doc__=trim_lines(r)}}if(e){t.__name__=e}else if(t.name&&!is_lambda(t)){t.__name__=t.name}return t}function trim_lines(e){return e.split("\n").map(function(e){return e.trim()}).join("\n")}function previousSexp(e){var t=arguments.length>1&&arguments[1]!==undefined?arguments[1]:1;var r=e.length;if(t<=0){throw Error("previousSexp: Invalid argument sexp = ".concat(t))}e:while(t--&&r>=0){var n=1;while(n>0){var i=e[--r];if(!i){break e}if(i==="("||i.token==="("){n--}else if(i===")"||i.token===")"){n++}}r--}return e.slice(r+1)}function lineIndent(e){if(!e||!e.length){return 0}var t=e.length;if(e[t-1].token==="\n"){return 0}while(--t){if(e[t].token==="\n"){var r=(e[t+1]||{}).token;if(r){return r.length}}}return 0}function match(e,t){return l(e,t)===t.length;function l(r,n){function e(e,t){var r=_createForOfIteratorHelper(e),n;try{for(r.s();!(n=r.n()).done;){var i=n.value;var a=l(i,t);if(a!==-1){return a}}}catch(e){r.e(e)}finally{r.f()}return-1}function t(){return r[a]===Symbol["for"]("symbol")&&!is_symbol_string(n[u])}function i(){var e=r[a+1];var t=n[u+1];if(e!==undefined&&t!==undefined){return l([e],[t])}}var a=0;var o={};for(var u=0;u<n.length;++u){if(typeof r[a]==="undefined"){return u}if(r[a]instanceof Pattern){var s;if(["+","*"].includes(r[a].flag)){while(u<n.length){s=e(r[a].patterns,n.slice(u));if(s===-1){break}u+=s}u-=1;a++;continue}else if(r[a].flag==="?"){s=e(r[a].patterns,n.slice(u));if(s===-1){u-=2}else{a++}continue}}else if(r[a]instanceof RegExp){if(!n[u].match(r[a])){return-1}}else if(lips.LString.isString(r[a])){if(r[a].valueOf()!==n[u]){return-1}}else if(_typeof(r[a])==="symbol"){if(r[a]===Symbol["for"]("*")){o[a]=o[a]||0;if(["(","["].includes(n[u])){o[a]++}else if([")","]"].includes(n[u])){o[a]--}if(typeof r[a+1]!=="undefined"&&o[a]===0&&i()===-1||o[a]>0){continue}}else if(t()){return-1}}else if(r[a]instanceof Array){var c=l(r[a],n.slice(u));if(c===-1||c+u>n.length){return-1}u+=c-1;a++;continue}else{return-1}a++}if(r.length!==a){return-1}return n.length}}function Formatter(e){this.__code__=e.replace(/\r/g,"")}Formatter.defaults={offset:0,indent:2,exceptions:{specials:[/^(?:#:)?(?:define(?:-values|-syntax|-macro|-class|-record-type)?|(?:call-with-(?:input-file|output-file|port))|lambda|let-env|try|catch|when|unless|while|syntax-rules|(let|letrec)(-syntax|\*)?)$/],shift:{1:["&","#"]}}};Formatter.match=match;Formatter.prototype._options=function e(t){var r=Formatter.defaults;if(typeof t==="undefined"){return Object.assign({},r)}var n=t&&t.exceptions||{};var i=n.specials||[];var a=n.shift||{1:[]};return _objectSpread(_objectSpread(_objectSpread({},r),t),{},{exceptions:{specials:[].concat(_toConsumableArray(r.exceptions.specials),_toConsumableArray(i)),shift:_objectSpread(_objectSpread({},a),{},{1:[].concat(_toConsumableArray(r.exceptions.shift[1]),_toConsumableArray(a[1]))})}})};Formatter.prototype.indent=function e(t){var r=tokenize(this.__code__,true);return this._indent(r,t)};Formatter.exception_shift=function(a,e){function t(e){if(!e.length){return false}if(e.indexOf(a)!==-1){return true}else{var t=e.filter(function(e){return e instanceof RegExp});if(!t.length){return false}var r=_createForOfIteratorHelper(t),n;try{for(r.s();!(n=r.n()).done;){var i=n.value;if(a.match(i)){return true}}}catch(e){r.e(e)}finally{r.f()}}return false}if(t(e.exceptions.specials)){return e.indent}var r=e.exceptions.shift;for(var n=0,i=Object.entries(r);n<i.length;n++){var o=_slicedToArray(i[n],2),u=o[0],s=o[1];if(t(s)){return+u}}return-1};Formatter.prototype._indent=function l(e,f){var t=this._options(f);var r=lineIndent(e);var n=previousSexp(e);var i=e[e.length-n.length-1];var _=e[e.length-1];if(_.token.match(/^"[\S\s]+[^"]$/)){return r+t.indent}if(n&&n.length){if(n[0].line>0){t.offset=0}if(n.toString()===e.toString()&&balanced(n)){return t.offset+n[0].col}else if(n.length===1){return t.offset+n[0].col+1}else{var a=-1;if(i){var o=Formatter.exception_shift(i.token,t);if(o!==-1){a=o}}if(a===-1){a=Formatter.exception_shift(n[1].token,t)}if(a!==-1){return t.offset+n[0].col+a}else if(n[0].line<n[1].line){return t.offset+n[0].col+1}else if(n.length>3&&n[1].line===n[3].line){if(n[1].token==="("||n[1].token==="["){return t.offset+n[1].col}return t.offset+n[3].col}else if(n[0].line===n[1].line){return t.offset+t.indent+n[0].col}else{var u=n.slice(2);for(var s=0;s<u.length;++s){var c=u[s];if(c.token.trim()){return c.col}}}}}else{return 0}return r+t.indent};function Ahead(e){this.pattern=e}Ahead.prototype.toString=function(){return"#<pattern(".concat(this.pattern,")>")};Ahead.prototype.match=function(e){return e.match(this.pattern)};function Pattern(){for(var e=arguments.length,t=new Array(e),r=0;r<e;r++){t[r]=arguments[r]}var n=t.pop();this.patterns=t;this.flag=n}Pattern.prototype.toString=function(){var e=this.patterns.map(function(e){return toString(e)}).join("|");return"#<pattern(".concat(e," ").concat(this.flag,")>")};Formatter.Pattern=Pattern;Formatter.Ahead=Ahead;var p_o=/^[[(]$/;var p_e=/^[\])]$/;var not_p=/[^()[\]]/;var not_close=new Ahead(/[^)\]]/);var glob=Symbol["for"]("*");var sexp_or_atom=new Pattern([p_o,glob,p_e],[not_p],"+");var sexp=new Pattern([p_o,glob,p_e],"+");var symbol=new Pattern([Symbol["for"]("symbol")],"?");var symbols=new Pattern([Symbol["for"]("symbol")],"*");var identifiers=[p_o,symbols,p_e];var let_value=new Pattern([p_o,Symbol["for"]("symbol"),glob,p_e],"+");var def_lambda_re=keywords_re("define","lambda","define-macro","syntax-rules");var non_def=/^(?!.*\b(?:[()[\]]|define(?:-macro)?|let(?:\*|rec|-env|-syntax|)?|lambda|syntax-rules)\b).*$/;var let_re=/^(?:#:)?(let(?:\*|rec|-env|-syntax)?)$/;function keywords_re(){for(var e=arguments.length,t=new Array(e),r=0;r<e;r++){t[r]=arguments[r]}return new RegExp("^(?:#:)?(?:".concat(t.join("|"),")$"))}Formatter.rules=[[[sexp],0,not_close],[[p_o,keywords_re("begin","cond-expand")],1],[[p_o,let_re,symbol,p_o,let_value,p_e],1],[[p_o,let_re,symbol,sexp_or_atom],1,not_close],[[p_o,let_re,p_o,let_value],1,not_close],[[p_o,non_def,new Pattern([/[^()[\]]/],"+"),sexp],1,not_close],[[p_o,sexp],1,not_close],[[p_o,not_p,sexp],1,not_close],[[p_o,keywords_re("lambda","if"),not_p],1,not_close],[[p_o,keywords_re("while"),not_p,sexp],1,not_close],[[p_o,keywords_re("if"),not_p,glob],1],[[p_o,def_lambda_re,identifiers],0,not_close],[[p_o,def_lambda_re,identifiers,string_re],0,not_close],[[p_o,def_lambda_re,identifiers,string_re,sexp],0,not_close],[[p_o,def_lambda_re,identifiers,sexp],0,not_close]];Formatter.prototype["break"]=function(){var l=this.__code__.replace(/\n[ \t]*/g,"\n ").replace(/^\s+/,"");var f=function e(t){if(t.token.match(string_re)||t.token.match(re_re)){return t.token}else{return t.token.replace(/\s+/," ")}};var _=function e(t){for(var r=t.length;r--;){var n=t[r];if(n.trim()&&!is_special(n)){return t.length-r-1}}};var e=tokenize(l,true).map(f).filter(function(e){return e!=="\n"});var t=Formatter.rules;e:for(var r=1;r<e.length;++r){if(!e[r].trim()){continue}var n=e.slice(0,r);var i={};t.map(function(e){return e[1]}).forEach(function(e){e=e.valueOf();if(e>0&&!i[e]){i[e]=previousSexp(n,e)}});var a=_createForOfIteratorHelper(t),p;try{for(a.s();!(p=a.n()).done;){var o=_slicedToArray(p.value,3),h=o[0],u=o[1],s=o[2];u=u.valueOf();var d=u>0?i[u]:n;var m=d.filter(function(e){return e.trim()&&!is_special(e)});var y=_(d);var v=match(h,m);var g=e.slice(r).find(function(e){return e.trim()&&!is_special(e)});if(v&&(s instanceof Ahead&&s.match(g)||!s)){var c=r-y;if(e[c]!=="\n"){if(!e[c].trim()){e[c]="\n"}else{e.splice(c,0,"\n");r++}}r+=y;continue e}}}catch(e){a.e(e)}finally{a.f()}}this.__code__=e.join("");return this};Formatter.prototype._spaces=function(e){return new Array(e+1).join(" ")};Formatter.prototype.format=function c(e){var t=this.__code__.replace(/[ \t]*\n[ \t]*/g,"\n ");var r=tokenize(t,true);var n=this._options(e);var i=0;var a=0;for(var o=0;o<r.length;++o){var u=r[o];if(u.token==="\n"){i=this._indent(r.slice(0,o),n);a+=i;if(r[o+1]){r[o+1].token=this._spaces(i);i--;a--;for(var s=o+2;s<r.length;++s){r[s].offset+=a;r[s].col+=i;if(r[s].token==="\n"){o=s-1;break}}}}}return r.map(function(e){if(e.token.match(string_re)){if(e.token.match(/\n/)){var t=new Array(e.col+1).join(" ");var r=e.token.split("\n");e.token=[r[0]].concat(r.slice(1).map(function(e){return t+e})).join("\n")}}return e.token}).join("")};function flatten(e,t){var r=Object.prototype.toString;var n="[object Array]";var i=[];var a=t&&e||e.slice();var o;if(!e.length){return i}o=a.pop();do{if(r.call(o)===n){a.push.apply(a,o)}else{i.push(o)}}while(a.length&&(o=a.pop())!==undefined);i.reverse();return i}function shuffle(e,t){var r=e.length,n;while(r>0){n=Math.floor(t()*r);r--;var i=[e[n],e[r]];e[r]=i[0];e[n]=i[1]}return e}function Nil(){}Nil.prototype.toString=function(){return"()"};Nil.prototype.valueOf=function(){return undefined};Nil.prototype.serialize=function(){return 0};Nil.prototype.to_object=function(){return{}};Nil.prototype.append=function(e){return new Pair(e,_nil)};Nil.prototype.to_array=function(){return[]};var _nil=new Nil;function Pair(e,t){if(typeof this!=="undefined"&&this.constructor!==Pair||typeof this==="undefined"){return new Pair(e,t)}this.car=e;this.cdr=t}function to_array(a,o){return function e(t){typecheck(a,t,["pair","nil"]);if(t===_nil){return[]}var r=[];var n=t;while(true){if(n instanceof Pair){if(n.haveCycles("cdr")){break}var i=n.car;if(o&&i instanceof Pair){i=this.get(a).call(this,i)}r.push(i);n=n.cdr}else if(n===_nil){break}else{throw new Error("".concat(a,": can't convert improper list"))}}return r}}Pair.prototype.flatten=function(){return Pair.fromArray(flatten(this.to_array()))};Pair.prototype.length=function(){var e=0;var t=this;while(true){if(!t||t===_nil||!(t instanceof Pair)||t.haveCycles("cdr")){break}e++;t=t.cdr}return e};Pair.match=function(e,t){if(e instanceof LSymbol){return LSymbol.is(e,t)}else if(e instanceof Pair){return Pair.match(e.car,t)||Pair.match(e.cdr,t)}else if(Array.isArray(e)){return e.some(function(e){return Pair.match(e,t)})}else if(is_plain_object(e)){return Object.values(e).some(function(e){return Pair.match(e,t)})}return false};Pair.prototype.find=function(e){return Pair.match(this,e)};Pair.prototype.clone=function(){var r=arguments.length>0&&arguments[0]!==undefined?arguments[0]:true;var n=new Map;function i(e){if(e instanceof Pair){if(n.has(e)){return n.get(e)}var t=new Pair;n.set(e,t);if(r){t.car=i(e.car)}else{t.car=e.car}t.cdr=i(e.cdr);t[__cycles__]=e[__cycles__];return t}return e}return i(this)};Pair.prototype.last_pair=function(){var e=this;while(true){if(e.cdr===_nil){return e}e=e.cdr}};Pair.prototype.to_array=function(){var e=arguments.length>0&&arguments[0]!==undefined?arguments[0]:true;var t=[];if(this.car instanceof Pair){if(e){t.push(this.car.to_array())}else{t.push(this.car)}}else{t.push(this.car.valueOf())}if(this.cdr instanceof Pair){t=t.concat(this.cdr.to_array(e))}return t};Pair.fromArray=function(e){var t=arguments.length>1&&arguments[1]!==undefined?arguments[1]:true;var r=arguments.length>2&&arguments[2]!==undefined?arguments[2]:false;if(e instanceof Pair||r&&e instanceof Array&&e[__data__]){return e}if(t===false){var n=_nil;for(var i=e.length;i--;){n=new Pair(e[i],n)}return n}if(e.length&&!(e instanceof Array)){e=_toConsumableArray(e)}var a=_nil;var o=e.length;while(o--){var u=e[o];if(u instanceof Array){u=Pair.fromArray(u,t,r)}else if(typeof u==="string"){u=LString(u)}else if(typeof u==="number"&&!Number.isNaN(u)){u=LNumber(u)}a=new Pair(u,a)}return a};Pair.prototype.to_object=function(){var e=arguments.length>0&&arguments[0]!==undefined?arguments[0]:false;var t=this;var r={};while(true){if(t instanceof Pair&&t.car instanceof Pair){var n=t.car;var i=n.car;if(i instanceof LSymbol){i=i.__name__}if(i instanceof LString){i=i.valueOf()}var a=n.cdr;if(a instanceof Pair){a=a.to_object(e)}if(is_native(a)){if(!e){a=a.valueOf()}}r[i]=a;t=t.cdr}else{break}}return r};Pair.fromPairs=function(e){return e.reduce(function(e,t){return new Pair(new Pair(new LSymbol(t[0]),t[1]),e)},_nil)};Pair.fromObject=function(t){var e=Object.keys(t).map(function(e){return[e,t[e]]});return Pair.fromPairs(e)};Pair.prototype.reduce=function(e){var t=this;var r=_nil;while(true){if(t!==_nil){r=e(r,t.car);t=t.cdr}else{break}}return r};Pair.prototype.reverse=function(){if(this.haveCycles()){throw new Error("You can't reverse list that have cycles")}var e=this;var t=_nil;while(e!==_nil){var r=e.cdr;e.cdr=t;t=e;e=r}return t};Pair.prototype.transform=function(n){function i(e){if(e instanceof Pair){if(e.replace){delete e.replace;return e}var t=n(e.car);if(t instanceof Pair){t=i(t)}var r=n(e.cdr);if(r instanceof Pair){r=i(r)}return new Pair(t,r)}return e}return i(this)};Pair.prototype.map=function(e){if(typeof this.car!=="undefined"){return new Pair(e(this.car),this.cdr===_nil?_nil:this.cdr.map(e))}else{return _nil}};var repr=new Map;function is_plain_object(e){return e&&_typeof(e)==="object"&&e.constructor===Object}var props=Object.getOwnPropertyNames(Array.prototype);var array_methods=[];props.forEach(function(e){array_methods.push(Array[e],Array.prototype[e])});function is_array_method(e){e=unbind(e);return array_methods.includes(e)}function is_lips_function(e){return is_function(e)&&(is_lambda(e)||e.__doc__)}function user_repr(r){var e=r.constructor||Object;var n=is_plain_object(r);var i=is_function(r[Symbol.asyncIterator])||is_function(r[Symbol.iterator]);var a;if(repr.has(e)){a=repr.get(e)}else{repr.forEach(function(e,t){t=unbind(t);if(r.constructor===t&&(t===Object&&n&&!i||t!==Object)){a=e}})}return a}var str_mapping=new Map;[[true,"#t"],[false,"#f"],[null,"null"],[undefined,"#<undefined>"]].forEach(function(e){var t=_slicedToArray(e,2),r=t[0],n=t[1];str_mapping.set(r,n)});function symbolize(r){if(r&&_typeof(r)==="object"){var n={};var e=Object.getOwnPropertySymbols(r);e.forEach(function(e){var t=e.toString().replace(/Symbol\(([^)]+)\)/,"$1");n[t]=toString(r[e])});var t=Object.getOwnPropertyNames(r);t.forEach(function(e){var t=r[e];if(t&&_typeof(t)==="object"&&t.constructor===Object){n[e]=symbolize(t)}else{n[e]=toString(t)}});return n}return r}function get_props(e){return Object.keys(e).concat(Object.getOwnPropertySymbols(e))}function has_own_function(e,t){return e.hasOwnProperty(t)&&is_function(e.toString)}function function_to_string(e){if(is_native_function(e)){return"#<procedure(native)>"}var t=e.prototype&&e.prototype.constructor;if(is_function(t)&&is_lambda(t)){if(e[__class__]&&t.hasOwnProperty("__name__")){var r=t.__name__;if(LString.isString(r)){r=r.toString();return"#<class:".concat(r,">")}return"#<class>"}}if(e.hasOwnProperty("__name__")){var n=e.__name__;if(_typeof(n)==="symbol"){n=symbol_to_string(n)}if(typeof n==="string"){return"#<procedure:".concat(n,">")}}if(has_own_function(e,"toString")){return e.toString()}else if(e.name&&!is_lambda(e)){return"#<procedure:".concat(e.name.trim(),">")}else{return"#<procedure>"}}var instances=new Map;[[Error,function(e){return e.message}],[Pair,function(e,t){var r=t.quote,n=t.skip_cycles,i=t.pair_args;if(!n){e.markCycles()}return e.toString.apply(e,[r].concat(_toConsumableArray(i)))}],[LCharacter,function(e,t){var r=t.quote;if(r){return e.toString()}return e.valueOf()}],[LString,function(e,t){var r=t.quote;e=e.toString();if(r){return JSON.stringify(e).replace(/\\n/g,"\n")}return e}],[RegExp,function(e){return"#"+e.toString()}]].forEach(function(e){var t=_slicedToArray(e,2),r=t[0],n=t[1];instances.set(r,n)});var native_types=[LSymbol,LNumber,Macro,Values,InputPort,OutputPort,Environment,QuotedPromise];function toString(e,t,c){if(typeof jQuery!=="undefined"&&e instanceof jQuery.fn.init){return"#<jQuery("+e.length+")>"}if(str_mapping.has(e)){return str_mapping.get(e)}if(is_prototype(e)){return"#<prototype>"}if(e){var r=e.constructor;if(instances.has(r)){for(var n=arguments.length,l=new Array(n>3?n-3:0),i=3;i<n;i++){l[i-3]=arguments[i]}return instances.get(r)(e,{quote:t,skip_cycles:c,pair_args:l})}}var a=_createForOfIteratorHelper(native_types),f;try{for(a.s();!(f=a.n()).done;){var _=f.value;if(e instanceof _){return e.toString(t)}}}catch(e){a.e(e)}finally{a.f()}if([_nil,eof].includes(e)){return e.toString()}if(is_function(e)){return function_to_string(e)}if(e===root){return"#<js:global>"}if(e===null){return"null"}if(_typeof(e)==="object"){var o=e.constructor;if(!o){o=Object}var u;if(typeof o.__class__==="string"){u=o.__class__}else{var s=user_repr(e);if(s){if(is_function(s)){return s(e,t)}else{throw new Error("toString: Invalid repr value")}}u=o.name}if(is_function(e.toString)&&is_lambda(e.toString)){return e.toString().valueOf()}if(type(e)==="instance"){if(is_lambda(o)&&o.__name__){u=o.__name__.valueOf()}else if(!is_native_function(o)){u="instance"}}if(is_iterator(e,Symbol.iterator)){if(u){return"#<iterator(".concat(u,")>")}return"#<iterator>"}if(is_iterator(e,Symbol.asyncIterator)){if(u){return"#<asyncIterator(".concat(u,")>")}return"#<asyncIterator>"}if(u!==""){return"#<"+u+">"}return"#<Object>"}if(typeof e!=="string"){return e.toString()}return e}function is_prototype(e){return e&&_typeof(e)==="object"&&e.hasOwnProperty&&e.hasOwnProperty("constructor")&&typeof e.constructor==="function"&&e.constructor.prototype===e}Pair.prototype.markCycles=function(){markCycles(this);return this};Pair.prototype.haveCycles=function(){var e=arguments.length>0&&arguments[0]!==undefined?arguments[0]:null;if(!e){return this.haveCycles("car")||this.haveCycles("cdr")}return!!(this[__cycles__]&&this[__cycles__][e])};function markCycles(e){var t=[];var i=[];var a=[];function o(e){if(!t.includes(e)){t.push(e)}}function u(e,t,r,n){if(r instanceof Pair){if(n.includes(r)){if(!a.includes(r)){a.push(r)}if(!e[__cycles__]){e[__cycles__]={}}e[__cycles__][t]=r;if(!i.includes(e)){i.push(e)}return true}}}var s=trampoline(function e(t,r){if(t instanceof Pair){delete t.ref;delete t[__cycles__];o(t);r.push(t);var n=u(t,"car",t.car,r);var i=u(t,"cdr",t.cdr,r);if(!n){s(t.car,r.slice())}if(!i){return new Thunk(function(){return e(t.cdr,r.slice())})}}});function r(e,t){if(e[__cycles__][t]instanceof Pair){var r=n.indexOf(e[__cycles__][t]);e[__cycles__][t]="#".concat(r,"#")}}s(e,[]);var n=t.filter(function(e){return a.includes(e)});n.forEach(function(e,t){e[__ref__]="#".concat(t,"=")});i.forEach(function(e){r(e,"car");r(e,"cdr")})}Pair.prototype.toString=function(e){var t=arguments.length>1&&arguments[1]!==undefined?arguments[1]:{},r=t.nested,n=r===void 0?false:r;var i=[];if(this[__ref__]){i.push(this[__ref__]+"(")}else if(!n){i.push("(")}var a;if(this[__cycles__]&&this[__cycles__].car){a=this[__cycles__].car}else{a=toString(this.car,e,true)}if(a!==undefined){i.push(a)}if(this.cdr instanceof Pair){if(this[__cycles__]&&this[__cycles__].cdr){i.push(" . ");i.push(this[__cycles__].cdr)}else{if(this.cdr[__ref__]){i.push(" . ")}else{i.push(" ")}var o=this.cdr.toString(e,{nested:true});i.push(o)}}else if(this.cdr!==_nil){i=i.concat([" . ",toString(this.cdr,e,true)])}if(!n||this[__ref__]){i.push(")")}return i.join("")};Pair.prototype.set=function(e,t){this[e]=t;if(t instanceof Pair){this.markCycles()}};Pair.prototype.append=function(e){if(e instanceof Array){return this.append(Pair.fromArray(e))}var t=this;if(t.car===undefined){if(e instanceof Pair){this.car=e.car;this.cdr=e.cdr}else{this.car=e}}else if(e!==_nil){while(true){if(t instanceof Pair&&t.cdr!==_nil){t=t.cdr}else{break}}t.cdr=e}return this};Pair.prototype.serialize=function(){return[this.car,this.cdr]};Pair.prototype[Symbol.iterator]=function(){var r=this;return{next:function e(){var t=r;r=t.cdr;if(t===_nil){return{value:undefined,done:true}}else{return{value:t.car,done:false}}}}};function abs(e){return e<0?-e:e}function seq_compare(e,t){var r=_toArray(t),n=r[0],i=r.slice(1);while(i.length>0){var a=i,o=_slicedToArray(a,1),u=o[0];if(!e(n,u)){return false}var s=i;var c=_toArray(s);n=c[0];i=c.slice(1)}return true}function equal(e,t){if(is_function(e)){return is_function(t)&&unbind(e)===unbind(t)}else if(e instanceof LNumber){if(!(t instanceof LNumber)){return false}var r;if(e.__type__===t.__type__){if(e.__type__==="complex"){r=e.__im__.__type__===t.__im__.__type__&&e.__re__.__type__===t.__re__.__type__}else{r=true}if(r&&e.cmp(t)===0){if(e.valueOf()===0){return Object.is(e.valueOf(),t.valueOf())}return true}}return false}else if(typeof e==="number"){if(typeof t!=="number"){return false}if(Number.isNaN(e)){return Number.isNaN(t)}if(e===Number.NEGATIVE_INFINITY){return t===Number.NEGATIVE_INFINITY}if(e===Number.POSITIVE_INFINITY){return t===Number.POSITIVE_INFINITY}return equal(LNumber(e),LNumber(t))}else if(e instanceof LCharacter){if(!(t instanceof LCharacter)){return false}return e.__char__===t.__char__}else{return e===t}}function same_atom(e,t){if(type(e)!==type(t)){return false}if(!is_atom(e)){return false}if(e instanceof RegExp){return e.source===t.source}if(e instanceof LString){return e.valueOf()===t.valueOf()}return equal(e,t)}function is_atom(e){return e instanceof LSymbol||LString.isString(e)||e===_nil||e===null||e instanceof LCharacter||e instanceof LNumber||e===true||e===false}var truncate=function(){if(Math.trunc){return Math.trunc}else{return function(e){if(e===0){return 0}else if(e<0){return Math.ceil(e)}else{return Math.floor(e)}}}}();function Macro(e,t,r,n){if(typeof this!=="undefined"&&this.constructor!==Macro||typeof this==="undefined"){return new Macro(e,t)}typecheck("Macro",e,"string",1);typecheck("Macro",t,"function",2);if(r){if(n){this.__doc__=r}else{this.__doc__=trim_lines(r)}}this.__name__=e;this.__fn__=t}Macro.defmacro=function(e,t,r,n){var i=new Macro(e,t,r,n);i.__defmacro__=true;return i};Macro.prototype.invoke=function(e,t,r){var n=t.env,i=_objectWithoutProperties(t,_excluded2);var a=_objectSpread(_objectSpread({},i),{},{macro_expand:r});var o=this.__fn__.call(n,e,a,this.__name__);return o};Macro.prototype.toString=function(){return"#<macro:".concat(this.__name__,">")};var macro="define-macro";var recur_guard=-1e4;function macro_expand(c){return function(){var r=_asyncToGenerator(_regeneratorRuntime.mark(function e(r,v){var a,g,n,i,s,D,x,E,L,A,S,b,o,w,u;return _regeneratorRuntime.wrap(function e(t){while(1){switch(t.prev=t.next){case 0:u=function e(){u=_asyncToGenerator(_regeneratorRuntime.mark(function e(r,n,i){var _,a,o,p,u,h,s,d,c,m,l,f,y;return _regeneratorRuntime.wrap(function e(t){while(1){switch(t.prev=t.next){case 0:if(!(r instanceof Pair&&r.car instanceof LSymbol)){t.next=50;break}if(!r[__data__]){t.next=3;break}return t.abrupt("return",r);case 3:_=r.car.valueOf();a=i.get(r.car,{throwError:false});o=D(r.car);p=o||x(a,r)||E(a);if(!(p&&r.cdr.car instanceof Pair)){t.next=28;break}if(!o){t.next=15;break}g=A(r.cdr.car);t.next=12;return b(r.cdr.car,n);case 12:u=t.sent;t.next=17;break;case 15:g=L(r.cdr.car);u=r.cdr.car;case 17:t.t0=Pair;t.t1=r.car;t.t2=Pair;t.t3=u;t.next=23;return w(r.cdr.cdr,n,i);case 23:t.t4=t.sent;t.t5=new t.t2(t.t3,t.t4);return t.abrupt("return",new t.t0(t.t1,t.t5));case 28:if(!S(_,a)){t.next=50;break}h=a instanceof Syntax?r:r.cdr;t.next=32;return a.invoke(h,_objectSpread(_objectSpread({},v),{},{env:i}),true);case 32:s=t.sent;if(!(a instanceof Syntax)){t.next=41;break}d=s,c=d.expr,m=d.scope;if(!(c instanceof Pair)){t.next=40;break}if(!(n!==-1&&n<=1||n<recur_guard)){t.next=38;break}return t.abrupt("return",c);case 38:if(n!==-1){n=n-1}return t.abrupt("return",w(c,n,m));case 40:s=c;case 41:if(!(s instanceof LSymbol)){t.next=43;break}return t.abrupt("return",quote(s));case 43:if(!(s instanceof Pair)){t.next=48;break}if(!(n!==-1&&n<=1||n<recur_guard)){t.next=46;break}return t.abrupt("return",s);case 46:if(n!==-1){n=n-1}return t.abrupt("return",w(s,n,i));case 48:if(!is_atom(s)){t.next=50;break}return t.abrupt("return",s);case 50:l=r.car;if(!(l instanceof Pair)){t.next=55;break}t.next=54;return w(l,n,i);case 54:l=t.sent;case 55:f=r.cdr;if(!(f instanceof Pair)){t.next=60;break}t.next=59;return w(f,n,i);case 59:f=t.sent;case 60:y=new Pair(l,f);return t.abrupt("return",y);case 62:case"end":return t.stop()}}},e)}));return u.apply(this,arguments)};w=function e(t,r,n){return u.apply(this,arguments)};o=function e(){o=_asyncToGenerator(_regeneratorRuntime.mark(function e(r,n){var i;return _regeneratorRuntime.wrap(function e(t){while(1){switch(t.prev=t.next){case 0:if(!(r===_nil)){t.next=2;break}return t.abrupt("return",_nil);case 2:i=r.car;t.t0=Pair;t.t1=Pair;t.t2=i.car;t.next=8;return w(i.cdr,n,a);case 8:t.t3=t.sent;t.t4=new t.t1(t.t2,t.t3);t.next=12;return b(r.cdr);case 12:t.t5=t.sent;return t.abrupt("return",new t.t0(t.t4,t.t5));case 14:case"end":return t.stop()}}},e)}));return o.apply(this,arguments)};b=function e(t,r){return o.apply(this,arguments)};S=function e(t,r){return r instanceof Macro&&r.__defmacro__&&!g.includes(t)};A=function e(t){return[].concat(_toConsumableArray(g),_toConsumableArray(t.to_array(false).map(function(e){if(e instanceof Pair){return e.car.valueOf()}throw new Error("macroexpand: Invalid let binding")})))};L=function e(t){var r=[];while(true){if(t!==_nil){if(t instanceof LSymbol){r.push(t.valueOf());break}r.push(t.car.valueOf());t=t.cdr}else{break}}return[].concat(_toConsumableArray(g),r)};E=function e(t){return t===i};x=function e(t,r){return t===s&&r.cdr.car instanceof Pair};D=function e(t){var r=t.valueOf();return n.includes(r)};a=v["env"]=this;g=[];n=["let","let*","letrec"];i=global_env.get("lambda");s=global_env.get("define");if(!(r.cdr instanceof Pair&&LNumber.isNumber(r.cdr.car))){t.next=21;break}t.t0=quote;t.next=19;return w(r,r.cdr.car.valueOf(),a);case 19:t.t1=t.sent.car;return t.abrupt("return",(0,t.t0)(t.t1));case 21:if(!c){t.next=27;break}t.t2=quote;t.next=25;return w(r,1,a);case 25:t.t3=t.sent.car;return t.abrupt("return",(0,t.t2)(t.t3));case 27:t.t4=quote;t.next=30;return w(r,-1,a);case 30:t.t5=t.sent.car;return t.abrupt("return",(0,t.t4)(t.t5));case 32:case"end":return t.stop()}}},e,this)}));return function(e,t){return r.apply(this,arguments)}}()}function Syntax(e,t){this.__env__=t;this.__fn__=e;this.__defmacro__=true}Syntax.__merge_env__=Symbol["for"]("merge");Syntax.prototype=Object.create(Macro.prototype);Syntax.prototype.invoke=function(e,t,r){var n=t.error,i=t.env,a=t.use_dynamic;var o={error:n,env:i,use_dynamic:a,dynamic_env:this.__env__,macro_expand:r};return this.__fn__.call(i,e,o,this.__name__||"syntax")};Syntax.prototype.constructor=Syntax;Syntax.prototype.toString=function(){if(this.__name__){return"#<syntax:".concat(this.__name__,">")}return"#<syntax>"};Syntax.className="syntax";var SyntaxParameter=function(e){_inherits(r,e);var t=_createSuper(r);function r(){_classCallCheck(this,r);return t.apply(this,arguments)}return _createClass(r)}(Syntax);Syntax.Parameter=SyntaxParameter;function extract_patterns(e,t,w,D){var r=arguments.length>4&&arguments[4]!==undefined?arguments[4]:{};var x={"...":{symbols:{},lists:[]},symbols:{}};var E=r.expansion,S=r.define;function L(e){if(is_debug()){console.log(e)}}L(w);function A(e,t){var r=arguments.length>2&&arguments[2]!==undefined?arguments[2]:[];var n=arguments.length>3&&arguments[3]!==undefined?arguments[3]:false;L({code:t&&toString(t,true),pattern:e&&toString(e,true)});if(is_atom(e)&&!(e instanceof LSymbol)){return same_atom(e,t)}if(e instanceof LSymbol&&w.includes(e.literal())){var c=E.ref(t);if(LSymbol.is(t,e)){if(typeof c==="undefined"){return true}return c===S||c===global_env}return false}if(e instanceof Pair&&e.car instanceof Pair&&e.car.cdr instanceof Pair&&LSymbol.is(e.car.cdr.car,D)){L(">> 0");if(t===_nil){L({pattern:e.toString()});if(e.car.car instanceof LSymbol){if(e.car.cdr instanceof Pair&&LSymbol.is(e.car.cdr.car,D)){var l=e.car.car.valueOf();var f=e.last_pair();if(LSymbol.is(f.car,D)){x["..."].symbols[l]=null;return true}else{return false}}var _=e.car.car.valueOf();if(x["..."].symbols[_]){throw new Error("syntax: named ellipsis can only "+"appear onces")}x["..."].symbols[_]=t}}}if(e instanceof Pair&&e.cdr instanceof Pair&&LSymbol.is(e.cdr.car,D)){if(e.cdr.cdr!==_nil){if(e.cdr.cdr instanceof Pair){var p=e.cdr.cdr.length();var h=t.length();var i=t;while(h-1>p){i=i.cdr;h--}var d=i.cdr;i.cdr=_nil;if(!A(e.cdr.cdr,d,r,n)){return false}}}if(e.car instanceof LSymbol){var a=e.car.__name__;if(x["..."].symbols[a]&&!r.includes(a)&&!n){throw new Error("syntax: named ellipsis can only appear onces")}L(">> 1");if(t===_nil){L(">> 2");if(n){L("NIL");x["..."].symbols[a]=_nil}else{L("NULL");x["..."].symbols[a]=null}}else if(t instanceof Pair&&(t.car instanceof Pair||t.car===_nil)){L(">> 3 "+n);if(n){if(x["..."].symbols[a]){var o=x["..."].symbols[a];if(o===_nil){o=new Pair(_nil,new Pair(t,_nil))}else{o=o.append(new Pair(t,_nil))}x["..."].symbols[a]=o}else{x["..."].symbols[a]=new Pair(t,_nil)}}else{L(">> 4");x["..."].symbols[a]=new Pair(t,_nil)}}else{L(">> 6");if(t instanceof Pair){L(">> 7 "+n);r.push(a);if(!x["..."].symbols[a]){x["..."].symbols[a]=new Pair(t,_nil)}else{var m=x["..."].symbols[a];x["..."].symbols[a]=m.append(new Pair(t,_nil))}L({IIIIII:x["..."].symbols[a].toString()})}else{L(">> 8");return false}}return true}else if(e.car instanceof Pair){var y=_toConsumableArray(r);if(t===_nil){L(">> 9");x["..."].lists.push(_nil);return true}L(">> 10");var v=t;while(v instanceof Pair){if(!A(e.car,v.car,y,true)){return false}v=v.cdr}return true}return false}if(e instanceof LSymbol){if(LSymbol.is(e,D)){throw new Error("syntax: invalid usage of ellipsis")}L(">> 11");var u=e.__name__;if(w.includes(u)){return true}L({name:u,ellipsis:n});if(n){x["..."].symbols[u]=x["..."].symbols[u]||[];x["..."].symbols[u].push(t)}x.symbols[u]=t;if(!x.symbols[u]);return true}if(e instanceof Pair&&t instanceof Pair){L(">> 12");L({a:12,code:t&&t.toString(),pattern:e.toString()});if(t.cdr===_nil){var g=e.car instanceof LSymbol&&e.cdr instanceof LSymbol;if(g){if(!A(e.car,t.car,r,n)){return false}L(">> 12 | 1");var s=e.cdr.valueOf();if(!(s in x.symbols)){x.symbols[s]=_nil}s=e.car.valueOf();if(!(s in x.symbols)){x.symbols[s]=t.car}return true}}L({pattern:e.toString(),code:t.toString()});if(e.cdr instanceof Pair&&e.car instanceof LSymbol&&e.cdr.cdr instanceof Pair&&e.cdr.car instanceof LSymbol&&LSymbol.is(e.cdr.cdr.car,D)&&e.cdr.cdr.cdr instanceof Pair&&!LSymbol.is(e.cdr.cdr.cdr.car,D)&&A(e.car,t.car,r,n)&&A(e.cdr.cdr.cdr,t.cdr,r,n)){var b=e.cdr.car.__name__;L({pattern:e.car.toString(),code:t.car.toString(),name:b});if(w.includes(b)){return true}x["..."].symbols[b]=null;return true}L("recur");if(A(e.car,t.car,r,n)&&A(e.cdr,t.cdr,r,n)){return true}}else if(e===_nil&&(t===_nil||t===undefined)){return true}else if(e.car instanceof Pair&&LSymbol.is(e.car.car,D)){throw new Error("syntax: invalid usage of ellipsis")}else{return false}}if(A(e,t)){return x}}function clear_gensyms(e,i){function a(t){if(t instanceof Pair){if(!i.length){return t}var e=a(t.car);var r=a(t.cdr);return new Pair(e,r)}else if(t instanceof LSymbol){var n=i.find(function(e){return e.gensym===t});if(n){return LSymbol(n.name)}return t}else{return t}}return a(e)}function transform_syntax(){var e=arguments.length>0&&arguments[0]!==undefined?arguments[0]:{};var k=e.bindings,t=e.expr,P=e.scope,o=e.symbols,l=e.names,C=e.ellipsis;var c={};function u(e){if(e instanceof LSymbol){return true}return["string","symbol"].includes(_typeof(e))}function B(e){if(!u(e)){var t=type(e);throw new Error("syntax: internal error, need symbol got ".concat(t))}var r=e.valueOf();if(r===C){throw new Error("syntax: internal error, ellipis not transformed")}var n=_typeof(r);if(["string","symbol"].includes(n)){if(r in k.symbols){return k.symbols[r]}else if(n==="string"&&r.match(/\./)){var i=r.split(".");var a=i[0];if(a in k.symbols){return Pair.fromArray([LSymbol("."),k.symbols[a]].concat(i.slice(1).map(function(e){return LString(e)})))}}}if(o.includes(r)){return LSymbol(r)}return s(r)}function O(e){if(is_debug()){console.log(e)}}function s(e){if(!c[e]){var t=P.ref(e);var r=gensym(e);if(t){var n=P.get(e);P.set(r,n)}else{var i=P.get(e,{throwError:false});if(typeof i!=="undefined"){P.set(r,i)}}l.push({name:e,gensym:r});c[e]=r;if(typeof e==="string"&&e.match(/\./)){var a=e.split(".").filter(Boolean),o=_toArray(a),u=o[0],s=o.slice(1);if(c[u]){hidden_prop(r,"__object__",[c[u]].concat(_toConsumableArray(s)))}}}return c[e]}function I(e,t,r){var n=arguments.length>3&&arguments[3]!==undefined?arguments[3]:function(){};var i=r.nested;O(" ==> "+e.toString(true));O(t);if(e instanceof LSymbol){var a=e.valueOf();O("[t 1");if(t[a]){if(t[a]instanceof Pair){var c=t[a],l=c.car,f=c.cdr;if(i){var _=l.car,p=l.cdr;if(p!==_nil){n(a,new Pair(p,_nil))}return _}if(f!==_nil){n(a,f)}return l}else if(t[a]instanceof Array){n(a,t[a].slice(1));return t[a][0]}}return B(a)}if(e instanceof Pair){if(e.car instanceof LSymbol&&e.cdr instanceof Pair&&LSymbol.is(e.cdr.car,C)){O("[t 2");var o=e.car.valueOf();var u=t[o];O({expr:e.toString(true),name:o,bindings:t,item:u});if(u===null){return}else if(u){O({b:t[o].toString()});if(u instanceof Pair){O("[t 2 Pair "+i);O({______:u.toString()});var s=u.car,h=u.cdr;if(i){if(h!==_nil){O("|| next 1");n(o,h)}O({car:s.toString()});return s}else{if(s.cdr!==_nil){O("|| next 2");n(o,new Pair(s.cdr,h))}O({car:s.car.toString()});return s.car}}else if(u instanceof Array){O("[t 2 Array "+i);if(i){n(o,u.slice(1));return Pair.fromArray(u)}else{var d=u.slice(1);if(d.length){n(o,d)}return u[0]}}else{return u}}}O("[t 3 recur "+e.toString());var m=I(e.car,t,r,n);var y=I(e.cdr,t,r,n);return new Pair(m,y)}return e}function j(t,r){var e=Object.values(t);var n=Object.getOwnPropertySymbols(t);if(n.length){e.push.apply(e,_toConsumableArray(n.map(function(e){return t[e]})))}return e.length&&e.every(function(e){if(e===null){return!r}return e instanceof Pair||e===_nil||e instanceof Array&&e.length})}function R(e){return Object.keys(e).concat(Object.getOwnPropertySymbols(e))}function N(i){var n=arguments.length>1&&arguments[1]!==undefined?arguments[1]:{},e=n.disabled;O("traverse>> "+toString(i));if(i instanceof Pair){if(!e&&i.car instanceof Pair&&LSymbol.is(i.car.car,C)){return N(i.car.cdr,{disabled:true})}if(i.cdr instanceof Pair&&LSymbol.is(i.cdr.car,C)&&!e){O(">> 1");var t=k["..."].symbols;var l=Object.values(t);if(l.length&&l.every(function(e){return e===null})){return N(i.cdr.cdr,{disabled:e})}var f=R(t);var a=i.car instanceof LSymbol&&LSymbol.is(i.cdr.cdr.car,C);if(i.car instanceof Pair||a){if(k["..."].lists[0]===_nil){return _nil}var _=i.car;if(a){_=new Pair(i.car,new Pair(i.cdr.car,_nil))}O(">> 2");var o;if(f.length){O(">> 2 (a)");var u=_objectSpread({},t);o=_nil;var p=function e(){if(!j(u)){return"break"}var n={};var t=function e(t,r){n[t]=r};var r=I(_,u,{nested:true},t);if(r!==undefined){if(a){if(o===_nil){o=r}else{o=o.append(r)}}else{o=new Pair(r,o)}}u=n};while(true){var h=p();if(h==="break")break}if(o!==_nil&&!a){o=o.reverse()}if(i.cdr.cdr!==_nil&&!LSymbol.is(i.cdr.cdr.car,C)){var d=N(i.cdr.cdr,{disabled:e});return o.append(d)}return o}else{O(">> 3");var m=I(i.car,t,{nested:true});if(m){return new Pair(m,_nil)}return _nil}}else if(i.car instanceof LSymbol){O(">> 4");if(LSymbol.is(i.cdr.cdr.car,C)){O(">> 4 (a)")}else{O(">> 4 (b)")}var y=i.car.__name__;var s=_defineProperty({},y,t[y]);var v=t[y]===null;var c=_nil;var g=function e(){if(!j(s,true)){O({bind:s});return"break"}var n={};var t=function e(t,r){n[t]=r};var r=I(i,s,{nested:false},t);O({value:r.toString()});if(typeof r!=="undefined"){c=new Pair(r,c)}s=n};while(true){var b=g();if(b==="break")break}if(c!==_nil){c=c.reverse()}if(i.cdr instanceof Pair){if(i.cdr.cdr instanceof Pair||i.cdr.cdr instanceof LSymbol){var w=N(i.cdr.cdr,{disabled:e});if(v){return w}O("<<<< 1");c.append(w)}}O("<<<< 2");return c}}var D=N(i.car,{disabled:e});var r;var x;if(i.car instanceof LSymbol){var E=P.get(i.car,{throwError:false});x=E instanceof Macro&&E.__name__==="syntax-rules"}if(x){if(i.cdr.car instanceof LSymbol){r=new Pair(N(i.cdr.car,{disabled:e}),new Pair(i.cdr.cdr.car,N(i.cdr.cdr.cdr,{disabled:e})))}else{r=new Pair(i.cdr.car,N(i.cdr.cdr,{disabled:e}))}O("REST >>>> "+r.toString())}else{r=N(i.cdr,{disabled:e})}O({a:true,car:toString(i.car),cdr:toString(i.cdr),head:toString(D),rest:toString(r)});return new Pair(D,r)}if(i instanceof LSymbol){if(e&&LSymbol.is(i,C)){return i}var L=Object.keys(k["..."].symbols);var A=i.literal();if(L.includes(A)){var S="missing ellipsis symbol next to name `".concat(A,"'");throw new Error("syntax-rules: ".concat(S))}var F=B(i);if(typeof F!=="undefined"){return F}}return i}return N(t,{})}function is_null(e){return is_undef(e)||e===_nil||e===null}function is_function(e){return typeof e==="function"&&typeof e.bind==="function"}function is_continuation(e){return e instanceof Continuation}function is_context(e){return e instanceof LambdaContext}function is_parameter(e){return e instanceof Parameter}function is_pair(e){return e instanceof Pair}function is_env(e){return e instanceof Environment}function is_callable(e){return is_function(e)||is_continuation(e)||is_parameter(e)}function is_promise(e){if(e instanceof QuotedPromise){return false}if(e instanceof Promise){return true}return e&&is_function(e.then)}function is_undef(e){return typeof e==="undefined"}function box(e){switch(_typeof(e)){case"string":return LString(e);case"bigint":return LNumber(e);case"number":if(Number.isNaN(e)){return nan}else{return LNumber(e)}}return e}function map_object(r,n){var e=Object.getOwnPropertyNames(r);var t=Object.getOwnPropertySymbols(r);var i={};e.concat(t).forEach(function(e){var t=n(r[e]);i[e]=t});return i}function unbox(t){var e=[LString,LNumber].some(function(e){return t instanceof e});if(e){return t.valueOf()}if(t instanceof Array){return t.map(unbox)}if(t instanceof QuotedPromise){delete t.then}if(is_plain_object(t)){return map_object(t,unbox)}return t}function patch_value(e,t){if(e instanceof Pair){e.markCycles();return quote(e)}if(is_function(e)){if(t){return bind(e,t)}}return box(e)}function unbind(e){if(is_bound(e)){return e[__fn__]}return e}function bind(e,t){if(e[Symbol["for"]("__bound__")]){return e}var r=e.bind(t);var n=Object.getOwnPropertyNames(e);var i=_createForOfIteratorHelper(n),a;try{for(i.s();!(a=i.n()).done;){var o=a.value;if(filter_fn_names(o)){try{r[o]=e[o]}catch(e){}}}}catch(e){i.e(e)}finally{i.f()}hidden_prop(r,"__fn__",e);hidden_prop(r,"__context__",t);hidden_prop(r,"__bound__",true);if(is_native_function(e)){hidden_prop(r,"__native__",true)}if(is_plain_object(t)&&is_lambda(e)){hidden_prop(r,"__method__",true)}r.valueOf=function(){return e};return r}function is_object_bound(e){return is_bound(e)&&e[Symbol["for"]("__context__")]===Object}function is_bound(e){return!!(is_function(e)&&e[__fn__])}function lips_context(e){if(is_function(e)){var t=e[__context__];if(t&&(t===lips||t.constructor&&t.constructor.__class__)){return true}}return false}function is_port(e){return e instanceof InputPort||e instanceof OutputPort}function is_port_method(e){if(is_function(e)){if(is_port(e[__context__])){return true}}return false}var __context__=Symbol["for"]("__context__");var __fn__=Symbol["for"]("__fn__");var __data__=Symbol["for"]("__data__");var __ref__=Symbol["for"]("__ref__");var __cycles__=Symbol["for"]("__cycles__");var __class__=Symbol["for"]("__class__");var __method__=Symbol["for"]("__method__");var __prototype__=Symbol["for"]("__prototype__");var __lambda__=Symbol["for"]("__lambda__");var exluded_names=["name","length","caller","callee","arguments","prototype"];function filter_fn_names(e){return!exluded_names.includes(e)}function hidden_prop(e,t,r){Object.defineProperty(e,Symbol["for"](t),{get:function e(){return r},set:function e(){},configurable:false,enumerable:false})}function set_fn_length(t,r){try{Object.defineProperty(t,"length",{get:function e(){return r}});return t}catch(e){var n=new Array(r).fill(0).map(function(e,t){return"a"+t}).join(",");var i=new Function("f","return function(".concat(n,") {\n                return f.apply(this, arguments);\n            };"));return i(t)}}function is_lambda(e){return e&&e[__lambda__]}function is_method(e){return e&&e[__method__]}function is_raw_lambda(e){return is_lambda(e)&&!e[__prototype__]&&!is_method(e)&&!is_port_method(e)}function is_native_function(e){var t=Symbol["for"]("__native__");return is_function(e)&&e.toString().match(/\{\s*\[native code\]\s*\}/)&&(e.name.match(/^bound /)&&e[t]===true||!e.name.match(/^bound /)&&!e[t])}function let_macro(e){var b;switch(e){case Symbol["for"]("letrec"):b="letrec";break;case Symbol["for"]("let"):b="let";break;case Symbol["for"]("let*"):b="let*";break;default:throw new Error("Invalid let_macro value")}return Macro.defmacro(b,function(t,e){var l=e.dynamic_env;var f=e.error,n=e.macro_expand,y=e.use_dynamic;var _;if(t.car instanceof LSymbol){if(!(t.cdr.car instanceof Pair||t.cdr.car===_nil)){throw new Error("let require list of pairs")}var r;if(t.cdr.car===_nil){_=_nil;r=_nil}else{r=t.cdr.car.map(function(e){return e.car});_=t.cdr.car.map(function(e){return e.cdr.car})}return Pair.fromArray([LSymbol("letrec"),[[t.car,Pair(LSymbol("lambda"),Pair(r,t.cdr.cdr))]],Pair(t.car,_)])}else if(n){return}var p=this;_=global_env.get("list->array")(t.car);var h=p.inherit(b);var d,m;if(b==="let*"){m=h}else if(b==="let"){d=[]}var v=0;function g(){var e=new Pair(new LSymbol("begin"),t.cdr);return _evaluate(e,{env:h,dynamic_env:h,use_dynamic:y,error:f})}return function t(){var r=_[v++];l=b==="let*"?h:p;if(!r){if(d&&d.length){var e=d.map(function(e){return e.value});var n=e.filter(is_promise);if(n.length){return promise_all(e).then(function(e){for(var t=0,r=e.length;t<r;++t){h.set(d[t].name,e[t])}}).then(g)}else{var i=_createForOfIteratorHelper(d),a;try{for(i.s();!(a=i.n()).done;){var o=a.value,u=o.name,s=o.value;h.set(u,s)}}catch(e){i.e(e)}finally{i.f()}}}return g()}else{if(b==="let"){m=p}else if(b==="letrec"){m=h}var c=_evaluate(r.cdr.car,{env:m,dynamic_env:l,use_dynamic:y,error:f});if(b==="let*"){m=h=m.inherit("let*["+v+"]")}if(d){d.push({name:r.car,value:c});return t()}else{return unpromise(c,function(e){h.set(r.car,e);return t()})}}}()})}function parallel(e,c){return new Macro(e,function(e){var t=arguments.length>1&&arguments[1]!==undefined?arguments[1]:{},r=t.use_dynamic,n=t.error;var i=this;var a=this;var o=[];var u=e;while(u instanceof Pair){o.push(_evaluate(u.car,{env:i,dynamic_env:a,use_dynamic:r,error:n}));u=u.cdr}var s=o.filter(is_promise).length;if(s){return promise_all(o).then(c.bind(this))}else{return c.call(this,o)}})}function guard_math_call(e){for(var t=arguments.length,r=new Array(t>1?t-1:0),n=1;n<t;n++){r[n-1]=arguments[n]}r.forEach(function(e){typecheck("",e,"number")});return e.apply(void 0,r)}function pipe(){var n=this;for(var e=arguments.length,i=new Array(e),t=0;t<e;t++){i[t]=arguments[t]}i.forEach(function(e,t){typecheck("pipe",e,"function",t+1)});return function(){for(var e=arguments.length,t=new Array(e),r=0;r<e;r++){t[r]=arguments[r]}return i.reduce(function(e,t){return[t.apply(n,e)]},t)[0]}}function compose(){for(var e=arguments.length,t=new Array(e),r=0;r<e;r++){t[r]=arguments[r]}t.forEach(function(e,t){typecheck("compose",e,"function",t+1)});return pipe.apply(void 0,_toConsumableArray(t.reverse()))}function fold(o,u){var s=this;return function e(t,r){typecheck(o,t,"function");for(var n=arguments.length,i=new Array(n>2?n-2:0),a=2;a<n;a++){i[a-2]=arguments[a]}if(i.some(is_null)){if(typeof r==="number"){return LNumber(r)}return r}else{return u.call.apply(u,[s,e,t,r].concat(i))}}}function limit_math_op(e,t){return limit(e+1,curry(guard_math_call,t))}var single_math_op=curry(limit_math_op,1);var binary_math_op=curry(limit_math_op,2);function reduce_math_op(n){var i=arguments.length>1&&arguments[1]!==undefined?arguments[1]:null;return function(){for(var e=arguments.length,t=new Array(e),r=0;r<e;r++){t[r]=arguments[r]}if(i!==null){t=[i].concat(_toConsumableArray(t))}return t.reduce(binary_math_op(n))}}function curry(a){for(var e=arguments.length,t=new Array(e>1?e-1:0),r=1;r<e;r++){t[r-1]=arguments[r]}typecheck("curry",a,"function");var o=a.length;return function(){var n=t.slice();function i(){for(var e=arguments.length,t=new Array(e),r=0;r<e;r++){t[r]=arguments[r]}n=n.concat(t);if(n.length>=o){return a.apply(this,n)}else{return i}}return i.apply(this,arguments)}}function limit(n,i){typecheck("limit",i,"function",2);return function(){for(var e=arguments.length,t=new Array(e),r=0;r<e;r++){t[r]=arguments[r]}return i.apply(void 0,_toConsumableArray(t.slice(0,n)))}}function LCharacter(e){if(typeof this!=="undefined"&&!(this instanceof LCharacter)||typeof this==="undefined"){return new LCharacter(e)}if(e instanceof LString){e=e.valueOf()}var t;if(Array.from(e).length>1){e=e.toLowerCase();if(LCharacter.__names__[e]){t=e;e=LCharacter.__names__[e]}else{throw new Error("Internal: Unknown named character")}}else{t=LCharacter.__rev_names__[e]}Object.defineProperty(this,"__char__",{value:e,enumerable:true});if(t){Object.defineProperty(this,"__name__",{value:t,enumerable:true})}}LCharacter.__names__=characters;LCharacter.__rev_names__={};Object.keys(LCharacter.__names__).forEach(function(e){var t=LCharacter.__names__[e];LCharacter.__rev_names__[t]=e});LCharacter.prototype.toUpperCase=function(){return LCharacter(this.__char__.toUpperCase())};LCharacter.prototype.toLowerCase=function(){return LCharacter(this.__char__.toLowerCase())};LCharacter.prototype.toString=function(){return"#\\"+(this.__name__||this.__char__)};LCharacter.prototype.valueOf=LCharacter.prototype.serialize=function(){return this.__char__};function LString(e){if(typeof this!=="undefined"&&!(this instanceof LString)||typeof this==="undefined"){return new LString(e)}if(e instanceof Array){this.__string__=e.map(function(e,t){typecheck("LString",e,"character",t+1);return e.toString()}).join("")}else{this.__string__=e.valueOf()}}{var ignore=["length","constructor"];var _keys=Object.getOwnPropertyNames(String.prototype).filter(function(e){return!ignore.includes(e)});var wrap=function e(n){return function(){for(var e=arguments.length,t=new Array(e),r=0;r<e;r++){t[r]=arguments[r]}return n.apply(this.__string__,t)}};var _iterator11=_createForOfIteratorHelper(_keys),_step11;try{for(_iterator11.s();!(_step11=_iterator11.n()).done;){var key=_step11.value;LString.prototype[key]=wrap(String.prototype[key])}}catch(e){_iterator11.e(e)}finally{_iterator11.f()}}LString.prototype[Symbol.iterator]=_regeneratorRuntime.mark(function e(){var r,n,i,a;return _regeneratorRuntime.wrap(function e(t){while(1){switch(t.prev=t.next){case 0:r=Array.from(this.__string__);n=0,i=r;case 2:if(!(n<i.length)){t.next=9;break}a=i[n];t.next=6;return LCharacter(a);case 6:n++;t.next=2;break;case 9:case"end":return t.stop()}}},e,this)});LString.prototype.serialize=function(){return this.valueOf()};LString.isString=function(e){return e instanceof LString||typeof e==="string"};LString.prototype.get=function(e){typecheck("LString::get",e,"number");return Array.from(this.__string__)[e.valueOf()]};LString.prototype.cmp=function(e){typecheck("LString::cmp",e,"string");var t=this.valueOf();var r=e.valueOf();if(t<r){return-1}else if(t===r){return 0}else{return 1}};LString.prototype.lower=function(){return LString(this.__string__.toLowerCase())};LString.prototype.upper=function(){return LString(this.__string__.toUpperCase())};LString.prototype.set=function(e,t){typecheck("LString::set",e,"number");typecheck("LString::set",t,["string","character"]);e=e.valueOf();if(t instanceof LCharacter){t=t.__char__}var r=[];if(e>0){r.push(this.__string__.substring(0,e))}r.push(t);if(e<this.__string__.length-1){r.push(this.__string__.substring(e+1))}this.__string__=r.join("")};Object.defineProperty(LString.prototype,"length",{get:function e(){return this.__string__.length}});LString.prototype.clone=function(){return LString(this.valueOf())};LString.prototype.fill=function(e){typecheck("LString::fill",e,["string","character"]);if(e instanceof LCharacter){e=e.toString()}var t=this.__string__.length;this.__string__=new Array(t+1).join(e)};function LNumber(e){var t=arguments.length>1&&arguments[1]!==undefined?arguments[1]:false;if(e instanceof LNumber){return e}if(typeof this!=="undefined"&&!(this instanceof LNumber)||typeof this==="undefined"){return new LNumber(e,t)}if(typeof e==="undefined"){throw new Error("Invalid LNumber constructor call")}var r=LNumber.getType(e);if(LNumber.types[r]){return LNumber.types[r](e,t)}var n=e instanceof Array&&LString.isString(e[0])&&LNumber.isNumber(e[1]);if(e instanceof LNumber){return LNumber(e.value)}if(!LNumber.isNumber(e)&&!n){throw new Error("You can't create LNumber from ".concat(type(e)))}if(e===null){e=0}var i;if(n){var c=e,a=_slicedToArray(c,2),o=a[0],u=a[1];if(o instanceof LString){o=o.valueOf()}if(u instanceof LNumber){u=u.valueOf()}var l=o.match(/^([+-])/);var f=false;if(l){o=o.replace(/^[+-]/,"");if(l[1]==="-"){f=true}}}if(Number.isNaN(e)){return LFloat(e)}else if(typeof BigInt!=="undefined"){if(typeof e!=="bigint"){if(n){var s;switch(u){case 8:s="0o";break;case 16:s="0x";break;case 2:s="0b";break;case 10:s="";break}if(typeof s==="undefined"){var _=BigInt(u);i=_toConsumableArray(o).map(function(e,t){return BigInt(parseInt(e,u))*pow(_,BigInt(t))}).reduce(function(e,t){return e+t})}else{i=BigInt(s+o)}}else{i=BigInt(e)}if(f){i*=BigInt(-1)}}else{i=e}return LBigInteger(i,true)}else if(typeof BN!=="undefined"&&!(e instanceof BN)){if(e instanceof Array){return LBigInteger(_construct(BN,_toConsumableArray(e)))}return LBigInteger(new BN(e))}else if(n){this.constant(parseInt(o,u),"integer")}else{this.constant(e,"integer")}}LNumber.prototype.constant=function(e,t){Object.defineProperty(this,"__value__",{value:e,enumerable:true});Object.defineProperty(this,"__type__",{value:t,enumerable:true})};LNumber.types={float:function e(t){return new LFloat(t)},complex:function e(t){var r=arguments.length>1&&arguments[1]!==undefined?arguments[1]:false;if(!LNumber.isComplex(t)){t={im:0,re:t}}return new LComplex(t,r)},rational:function e(t){var r=arguments.length>1&&arguments[1]!==undefined?arguments[1]:false;if(!LNumber.isRational(t)){t={num:t,denom:1}}return new LRational(t,r)}};LNumber.prototype.serialize=function(){return this.__value__};LNumber.prototype.isNaN=function(){return Number.isNaN(this.__value__)};LNumber.prototype.gcd=function(e){var t=this.abs();e=e.abs();if(e.cmp(t)===1){var r=t;t=e;e=r}while(true){t=t.rem(e);if(t.cmp(0)===0){return e}e=e.rem(t);if(e.cmp(0)===0){return t}}};LNumber.isFloat=function e(t){return t instanceof LFloat||Number(t)===t&&t%1!==0};LNumber.isNumber=function(e){return e instanceof LNumber||LNumber.isNative(e)||LNumber.isBN(e)};LNumber.isComplex=function(e){if(!e){return false}var t=e instanceof LComplex||(LNumber.isNumber(e.im)||Number.isNaN(e.im))&&(LNumber.isNumber(e.re)||Number.isNaN(e.re));return t};LNumber.isRational=function(e){if(!e){return false}return e instanceof LRational||LNumber.isNumber(e.num)&&LNumber.isNumber(e.denom)};LNumber.isInteger=function(e){if(!(LNumber.isNative(e)||e instanceof LNumber)){return false}if(LNumber.isFloat(e)){return false}if(LNumber.isRational(e)){return false}if(LNumber.isComplex(e)){return false}return true};LNumber.isNative=function(e){return typeof e==="bigint"||typeof e==="number"};LNumber.isBigInteger=function(e){return e instanceof LBigInteger||typeof e==="bigint"||LNumber.isBN(e)};LNumber.isBN=function(e){return typeof BN!=="undefined"&&e instanceof BN};LNumber.getArgsType=function(e,t){if(e instanceof LFloat||t instanceof LFloat){return LFloat}if(e instanceof LBigInteger||t instanceof LBigInteger){return LBigInteger}return LNumber};LNumber.prototype.toString=function(e){if(Number.isNaN(this.__value__)){return"+nan.0"}if(e>=2&&e<36){return this.__value__.toString(e)}return this.__value__.toString()};LNumber.prototype.asType=function(e){var t=LNumber.getType(this);return LNumber.types[t]?LNumber.types[t](e):LNumber(e)};LNumber.prototype.isBigNumber=function(){return typeof this.__value__==="bigint"||typeof BN!=="undefined"&&!(this.value instanceof BN)};["floor","ceil","round"].forEach(function(e){LNumber.prototype[e]=function(){if(this["float"]||LNumber.isFloat(this.__value__)){return LNumber(Math[e](this.__value__))}else{return LNumber(Math[e](this.valueOf()))}}});LNumber.prototype.valueOf=function(){if(LNumber.isNative(this.__value__)){return Number(this.__value__)}else if(LNumber.isBN(this.__value__)){return this.__value__.toNumber()}};var matrix=function(){var e=function e(t,r){return[t,r]};return{bigint:{bigint:e,float:function e(t,r){return[LFloat(t.valueOf()),r]},rational:function e(t,r){return[{num:t,denom:1},r]},complex:function e(t,r){return[{im:0,re:t},r]}},integer:{integer:e,float:function e(t,r){return[LFloat(t.valueOf()),r]},rational:function e(t,r){return[{num:t,denom:1},r]},complex:function e(t,r){return[{im:0,re:t},r]}},float:{bigint:function e(t,r){return[t,r&&LFloat(r.valueOf())]},integer:function e(t,r){return[t,r&&LFloat(r.valueOf())]},float:e,rational:function e(t,r){return[t,r&&LFloat(r.valueOf())]},complex:function e(t,r){return[{re:t,im:LFloat(0)},r]}},complex:{bigint:t("bigint"),integer:t("integer"),float:t("float"),rational:t("rational"),complex:function l(e,t){var r=LNumber.coerce(e.__re__,t.__re__),n=_slicedToArray(r,2),i=n[0],a=n[1];var o=LNumber.coerce(e.__im__,t.__im__),u=_slicedToArray(o,2),s=u[0],c=u[1];return[{im:s,re:i},{im:c,re:a}]}},rational:{bigint:function e(t,r){return[t,r&&{num:r,denom:1}]},integer:function e(t,r){return[t,r&&{num:r,denom:1}]},float:function e(t,r){return[LFloat(t.valueOf()),r]},rational:e,complex:function e(t,r){return[{im:coerce(t.__type__,r.__im__.__type__,0)[0],re:coerce(t.__type__,r.__re__.__type__,t)[0]},{im:coerce(t.__type__,r.__im__.__type__,r.__im__)[0],re:coerce(t.__type__,r.__re__.__type__,r.__re__)[0]}]}}};function t(r){return function(e,t){return[{im:coerce(r,e.__im__.__type__,0,e.__im__)[1],re:coerce(r,e.__re__.__type__,0,e.__re__)[1]},{im:coerce(r,e.__im__.__type__,0,0)[1],re:coerce(r,t.__type__,0,t)[1]}]}}}();function coerce(e,t,r,n){return matrix[e][t](r,n)}LNumber.coerce=function(e,t){var r=LNumber.getType(e);var n=LNumber.getType(t);if(!matrix[r]){throw new Error("LNumber::coerce unknown lhs type ".concat(r))}else if(!matrix[r][n]){throw new Error("LNumber::coerce unknown rhs type ".concat(n))}var i=matrix[r][n](e,t);return i.map(function(e){return LNumber(e,true)})};LNumber.prototype.coerce=function(e){if(!(typeof e==="number"||e instanceof LNumber)){throw new Error("LNumber: you can't coerce ".concat(type(e)))}if(typeof e==="number"){e=LNumber(e)}return LNumber.coerce(this,e)};LNumber.getType=function(e){if(e instanceof LNumber){return e.__type__}if(LNumber.isFloat(e)){return"float"}if(LNumber.isComplex(e)){return"complex"}if(LNumber.isRational(e)){return"rational"}if(typeof e==="number"){return"integer"}if(typeof BigInt!=="undefined"&&typeof e!=="bigint"||typeof BN!=="undefined"&&!(e instanceof BN)){return"bigint"}};LNumber.prototype.isFloat=function(){return!!(LNumber.isFloat(this.__value__)||this["float"])};var mapping={add:"+",sub:"-",mul:"*",div:"/",rem:"%",or:"|",and:"&",neg:"~",shl:">>",shr:"<<"};var rev_mapping={};Object.keys(mapping).forEach(function(t){rev_mapping[mapping[t]]=t;LNumber.prototype[t]=function(e){return this.op(mapping[t],e)}});LNumber._ops={"*":function e(t,r){return t*r},"+":function e(t,r){return t+r},"-":function e(t,r){if(typeof r==="undefined"){return-t}return t-r},"/":function e(t,r){return t/r},"%":function e(t,r){return t%r},"|":function e(t,r){return t|r},"&":function e(t,r){return t&r},"~":function e(t){return~t},">>":function e(t,r){return t>>r},"<<":function e(t,r){return t<<r}};LNumber.prototype.op=function(e,t){if(typeof t==="undefined"){return LNumber(LNumber._ops[e](this.valueOf()))}if(typeof t==="number"){t=LNumber(t)}if(Number.isNaN(this.__value__)&&!LNumber.isComplex(t)||!LNumber.isComplex(this)&&Number.isNaN(t.__value__)){return LNumber(NaN)}var r=this.coerce(t),n=_slicedToArray(r,2),i=n[0],a=n[1];if(i._op){return i._op(e,a)}return LNumber(LNumber._ops[e](i,a))};LNumber.prototype.sqrt=function(){var e=this.valueOf();if(this.cmp(0)<0){var t=Math.sqrt(-e);return LComplex({re:0,im:t})}return LNumber(Math.sqrt(e))};var pow=function e(t,r){var n=typeof t==="bigint"?BigInt(1):1;return new Array(Number(r)).fill(0).reduce(function(e){return e*t},n)};var exp_op=new Function("a,b","return a ** b");try{if(exp_op(2,2)===4){pow=exp_op}}catch(e){}LNumber.prototype.pow=function(e){var t;var r=this.coerce(e),n=_slicedToArray(r,2),i=n[0],a=n[1];if(LNumber.isNative(i.__value__)&&LNumber.isNative(a.__value__)){t=pow(i.__value__,a.__value__)}else if(LNumber.isBN(i.__value__)&&LNumber.isBN(a.__value__)){t=this.__value__.pow(e.__value__)}else if(i.pow){return i.pow(a)}return LNumber(t)};LNumber.prototype.abs=function(){var e=this.__value__;if(LNumber.isNative(this.__value__)){if(e<0){e=-e}}else if(LNumber.isBN(e)){e.iabs()}return new LNumber(e)};LNumber.prototype.isOdd=function(){if(LNumber.isNative(this.__value__)){if(this.isBigNumber()){return this.__value__%BigInt(2)===BigInt(1)}if(this.__type__==="float"){throw new Error("Invalid number float")}return this.__value__%2===1}else if(LNumber.isBN(this.__value__)){return this.__value__.isOdd()}throw new Error("Invalid number ".concat(this.__type__))};LNumber.prototype.isEven=function(){return!this.isOdd()};LNumber.prototype.cmp=function(e){var t=this.coerce(e),r=_slicedToArray(t,2),n=r[0],i=r[1];function a(e,t){if(e.__value__<t.__value__){return-1}else if(e.__value__===t.__value__){return 0}else{return 1}}if(n.__type__==="bigint"){if(LNumber.isNative(n.__value__)){return a(n,i)}else if(LNumber.isBN(n.__value__)){return this.__value__.cmp(i.__value__)}}else if(n instanceof LFloat){return a(n,i)}};function LComplex(e){var t=arguments.length>1&&arguments[1]!==undefined?arguments[1]:false;if(typeof this!=="undefined"&&!(this instanceof LComplex)||typeof this==="undefined"){return new LComplex(e,t)}if(e instanceof LComplex){return LComplex({im:e.__im__,re:e.__re__})}if(LNumber.isNumber(e)&&t){if(!t){return Number(e)}}else if(!LNumber.isComplex(e)){var r="Invalid constructor call for LComplex expect &(:im <num> :re <num>) object but got ".concat(toString(e));throw new Error(r)}var n=e.im instanceof LNumber?e.im:LNumber(e.im);var i=e.re instanceof LNumber?e.re:LNumber(e.re);this.constant(n,i)}LComplex.prototype=Object.create(LNumber.prototype);LComplex.prototype.constructor=LComplex;LComplex.prototype.constant=function(e,t){Object.defineProperty(this,"__im__",{value:e,enumerable:true});Object.defineProperty(this,"__re__",{value:t,enumerable:true});Object.defineProperty(this,"__type__",{value:"complex",enumerable:true})};LComplex.prototype.serialize=function(){return{re:this.__re__,im:this.__im__}};LComplex.prototype.toRational=function(e){if(LNumber.isFloat(this.__im__)&&LNumber.isFloat(this.__re__)){var t=LFloat(this.__im__).toRational(e);var r=LFloat(this.__re__).toRational(e);return LComplex({im:t,re:r})}return this};LComplex.prototype.pow=function(e){throw new Error("Not yet implemented")};LComplex.prototype.add=function(e){return this.complex_op("add",e,function(e,t,r,n){return{re:e.add(t),im:r.add(n)}})};LComplex.prototype.factor=function(){if(this.__im__ instanceof LFloat||this.__im__ instanceof LFloat){var e=this.__re__,t=this.__im__;var r,n;if(e instanceof LFloat){r=e.toRational().mul(e.toRational())}else{r=e.mul(e)}if(t instanceof LFloat){n=t.toRational().mul(t.toRational())}else{n=t.mul(t)}return r.add(n)}else{return this.__re__.mul(this.__re__).add(this.__im__.mul(this.__im__))}};LComplex.prototype.modulus=function(){return this.factor().sqrt()};LComplex.prototype.conjugate=function(){return LComplex({re:this.__re__,im:this.__im__.sub()})};LComplex.prototype.sqrt=function(){var e=this.modulus();var t,r;if(e.cmp(0)===0){t=r=e}else if(this.__re__.cmp(0)===1){t=LFloat(.5).mul(e.add(this.__re__)).sqrt();r=this.__im__.div(t).div(2)}else{r=LFloat(.5).mul(e.sub(this.__re__)).sqrt();if(this.__im__.cmp(0)===-1){r=r.sub()}t=this.__im__.div(r).div(2)}return LComplex({im:r,re:t})};LComplex.prototype.div=function(e){if(LNumber.isNumber(e)&&!LNumber.isComplex(e)){if(!(e instanceof LNumber)){e=LNumber(e)}var t=this.__re__.div(e);var r=this.__im__.div(e);return LComplex({re:t,im:r})}else if(!LNumber.isComplex(e)){throw new Error("[LComplex::div] Invalid value")}if(this.cmp(e)===0){var n=this.coerce(e),i=_slicedToArray(n,2),l=i[0],a=i[1];var f=l.__im__.div(a.__im__);return f.coerce(a.__re__)[0]}var _=this.coerce(e),o=_slicedToArray(_,2),p=o[0],u=o[1];var s=u.factor();var h=u.conjugate();var c=p.mul(h);if(!LNumber.isComplex(c)){return c.div(s)}var d=c.__re__.op("/",s);var m=c.__im__.op("/",s);return LComplex({re:d,im:m})};LComplex.prototype.sub=function(e){return this.complex_op("sub",e,function(e,t,r,n){return{re:e.sub(t),im:r.sub(n)}})};LComplex.prototype.mul=function(e){return this.complex_op("mul",e,function(e,t,r,n){var i={re:e.mul(t).sub(r.mul(n)),im:e.mul(n).add(t.mul(r))};return i})};LComplex.prototype.complex_op=function(e,t,i){var a=this;var r=function e(t,r){var n=i(a.__re__,t,a.__im__,r);if("im"in n&&"re"in n){if(n.im.cmp(0)===0){return n.re}return LComplex(n,true)}return n};if(typeof t==="undefined"){return r()}if(LNumber.isNumber(t)&&!LNumber.isComplex(t)){if(!(t instanceof LNumber)){t=LNumber(t)}var n=t.asType(0);t={__im__:n,__re__:t}}else if(!LNumber.isComplex(t)){throw new Error("[LComplex::".concat(e,"] Invalid value"))}var o=t.__re__ instanceof LNumber?t.__re__:this.__re__.asType(t.__re__);var u=t.__im__ instanceof LNumber?t.__im__:this.__im__.asType(t.__im__);return r(o,u)};LComplex._op={"+":"add","-":"sub","*":"mul","/":"div"};LComplex.prototype._op=function(e,t){var r=LComplex._op[e];return this[r](t)};LComplex.prototype.cmp=function(e){var t=this.coerce(e),r=_slicedToArray(t,2),n=r[0],i=r[1];var a=n.__re__.coerce(i.__re__),o=_slicedToArray(a,2),u=o[0],l=o[1];var s=u.cmp(l);if(s!==0){return s}else{var f=n.__im__.coerce(i.__im__),c=_slicedToArray(f,2),_=c[0],p=c[1];return _.cmp(p)}};LComplex.prototype.valueOf=function(){return[this.__re__,this.__im__].map(function(e){return e.valueOf()})};LComplex.prototype.toString=function(){var e;if(this.__re__.cmp(0)!==0){e=[toString(this.__re__)]}else{e=[]}var t=this.__im__.valueOf();var r=[Number.NEGATIVE_INFINITY,Number.POSITIVE_INFINITY].includes(t);var n=toString(this.__im__);if(!r&&!Number.isNaN(t)){var i=this.__im__.cmp(0);if(i<0||i===0&&this.__im__._minus){e.push("-")}else{e.push("+")}n=n.replace(/^-/,"")}e.push(n);e.push("i");return e.join("")};function LFloat(e){if(typeof this!=="undefined"&&!(this instanceof LFloat)||typeof this==="undefined"){return new LFloat(e)}if(!LNumber.isNumber(e)){throw new Error("Invalid constructor call for LFloat")}if(e instanceof LNumber){return LFloat(e.valueOf())}if(typeof e==="number"){if(Object.is(e,-0)){Object.defineProperty(this,"_minus",{value:true})}this.constant(e,"float")}}LFloat.prototype=Object.create(LNumber.prototype);LFloat.prototype.constructor=LFloat;LFloat.prototype.toString=function(){if(this.__value__===Number.NEGATIVE_INFINITY){return"-inf.0"}if(this.__value__===Number.POSITIVE_INFINITY){return"+inf.0"}if(Number.isNaN(this.__value__)){return"+nan.0"}var e=this.__value__.toString();if(!LNumber.isFloat(this.__value__)&&!e.match(/e/i)){var t=e+".0";return this._minus?"-"+t:t}return e.replace(/^([0-9]+)e/,"$1.0e")};LFloat.prototype._op=function(e,t){if(t instanceof LNumber){t=t.__value__}var r=LNumber._ops[e];if(e==="/"&&this.__value__===0&&t===0){return NaN}return LFloat(r(this.__value__,t))};LFloat.prototype.toRational=function(){var e=arguments.length>0&&arguments[0]!==undefined?arguments[0]:null;if(e===null){return toRational(this.__value__.valueOf())}return approxRatio(e.valueOf())(this.__value__.valueOf())};LFloat.prototype.sqrt=function(){var e=this.valueOf();if(this.cmp(0)<0){var t=LFloat(Math.sqrt(-e));return LComplex({re:0,im:t})}return LFloat(Math.sqrt(e))};LFloat.prototype.abs=function(){var e=this.valueOf();if(e<0){e=-e}return LFloat(e)};var toRational=approxRatio(1e-10);function approxRatio(n){return function(e){var t=function e(n,t,r){var i=function e(t,r){return r<n?t:e(r,t%r)};if(Number.isNaN(t)||Number.isNaN(r)){return NaN}return i(Math.abs(t),Math.abs(r))},r=t(n?n:1/1e4,1,e);return LRational({num:Math.floor(e/r),denom:Math.floor(1/r)})}}function rationalize(e,t){var r=e.sub(t);var n=e.add(t);var i;if(r.cmp(n)>0){i=simplest_rational2(n,r)}else if(n.cmp(r)<=0){i=r}else if(r.cmp(0)>0){i=simplest_rational2(r,n)}else if(t.cmp(0)<0){i=LNumber(simplest_rational2(n.sub(),r.sub())).sub()}else{i=LNumber(0)}if(LNumber.isFloat(t)||LNumber.isFloat(e)){return LFloat(i)}return i}function simplest_rational2(e,t){var r=LNumber(e).floor();var n=LNumber(t).floor();if(e.cmp(r)<1){return r}else if(r.cmp(n)===0){var i=LNumber(1).div(t.sub(n));var a=LNumber(1).div(e.sub(r));return r.add(LNumber(1).div(simplest_rational2(i,a)))}else{return r.add(LNumber(1))}}function LRational(e){var t=arguments.length>1&&arguments[1]!==undefined?arguments[1]:false;if(typeof this!=="undefined"&&!(this instanceof LRational)||typeof this==="undefined"){return new LRational(e,t)}if(!LNumber.isRational(e)){throw new Error("Invalid constructor call for LRational")}var r,n;if(e instanceof LRational){r=LNumber(e.__num__);n=LNumber(e.__denom__)}else{r=LNumber(e.num);n=LNumber(e.denom)}if(!t&&n.cmp(0)!==0){var i=r.op("%",n).cmp(0)===0;if(i){return LNumber(r.div(n))}}this.constant(r,n)}LRational.prototype=Object.create(LNumber.prototype);LRational.prototype.constructor=LRational;LRational.prototype.constant=function(e,t){Object.defineProperty(this,"__num__",{value:e,enumerable:true});Object.defineProperty(this,"__denom__",{value:t,enumerable:true});Object.defineProperty(this,"__type__",{value:"rational",enumerable:true})};LRational.prototype.serialize=function(){return{num:this.__num__,denom:this.__denom__}};LRational.prototype.pow=function(e){var t=e.cmp(0);if(t===0){return LNumber(1)}if(t===-1){e=e.sub();var r=this.__denom__.pow(e);var n=this.__num__.pow(e);return LRational({num:r,denom:n})}var i=this;e=e.valueOf();while(e>1){i=i.mul(this);e--}return i};LRational.prototype.sqrt=function(){var e=this.__num__.sqrt();var t=this.__denom__.sqrt();if(e instanceof LFloat||t instanceof LFloat){return e.div(t)}return LRational({num:e,denom:t})};LRational.prototype.abs=function(){var e=this.__num__;var t=this.__denom__;if(e.cmp(0)===-1){e=e.sub()}if(t.cmp(0)!==1){t=t.sub()}return LRational({num:e,denom:t})};LRational.prototype.cmp=function(e){return LNumber(this.valueOf(),true).cmp(e)};LRational.prototype.toString=function(){var e=this.__num__.gcd(this.__denom__);var t,r;if(e.cmp(1)!==0){t=this.__num__.div(e);if(t instanceof LRational){t=LNumber(t.valueOf(true))}r=this.__denom__.div(e);if(r instanceof LRational){r=LNumber(r.valueOf(true))}}else{t=this.__num__;r=this.__denom__}var n=this.cmp(0)<0;if(n){if(t.abs().cmp(r.abs())===0){return t.toString()}}else if(t.cmp(r)===0){return t.toString()}return t.toString()+"/"+r.toString()};LRational.prototype.valueOf=function(e){if(this.__denom__.cmp(0)===0){if(this.__num__.cmp(0)<0){return Number.NEGATIVE_INFINITY}return Number.POSITIVE_INFINITY}if(e){return LNumber._ops["/"](this.__num__.value,this.__denom__.value)}return LFloat(this.__num__.valueOf()).div(this.__denom__.valueOf())};LRational.prototype.mul=function(e){if(!(e instanceof LNumber)){e=LNumber(e)}if(LNumber.isRational(e)){var t=this.__num__.mul(e.__num__);var r=this.__denom__.mul(e.__denom__);return LRational({num:t,denom:r})}var n=LNumber.coerce(this,e),i=_slicedToArray(n,2),a=i[0],o=i[1];return a.mul(o)};LRational.prototype.div=function(e){if(!(e instanceof LNumber)){e=LNumber(e)}if(LNumber.isRational(e)){var t=this.__num__.mul(e.__denom__);var r=this.__denom__.mul(e.__num__);return LRational({num:t,denom:r})}var n=LNumber.coerce(this,e),i=_slicedToArray(n,2),a=i[0],o=i[1];var u=a.div(o);return u};LRational.prototype._op=function(e,t){return this[rev_mapping[e]](t)};LRational.prototype.sub=function(e){if(typeof e==="undefined"){return this.mul(-1)}if(!(e instanceof LNumber)){e=LNumber(e)}if(LNumber.isRational(e)){var t=e.__num__.sub();var r=e.__denom__;return this.add(LRational({num:t,denom:r}))}if(!(e instanceof LNumber)){e=LNumber(e).sub()}else{e=e.sub()}var n=LNumber.coerce(this,e),i=_slicedToArray(n,2),a=i[0],o=i[1];return a.add(o)};LRational.prototype.add=function(e){if(!(e instanceof LNumber)){e=LNumber(e)}if(LNumber.isRational(e)){var t=this.__denom__;var r=e.__denom__;var n=this.__num__;var i=e.__num__;var a,o;if(t!==r){o=r.mul(n).add(i.mul(t));a=t.mul(r)}else{o=n.add(i);a=t}return LRational({num:o,denom:a})}if(LNumber.isFloat(e)){return LFloat(this.valueOf()).add(e)}var u=LNumber.coerce(this,e),s=_slicedToArray(u,2),c=s[0],l=s[1];return c.add(l)};function LBigInteger(e,t){if(typeof this!=="undefined"&&!(this instanceof LBigInteger)||typeof this==="undefined"){return new LBigInteger(e,t)}if(e instanceof LBigInteger){return LBigInteger(e.__value__,e._native)}if(!LNumber.isBigInteger(e)){throw new Error("Invalid constructor call for LBigInteger")}this.constant(e,"bigint");Object.defineProperty(this,"_native",{value:t})}LBigInteger.prototype=Object.create(LNumber.prototype);LBigInteger.prototype.constructor=LBigInteger;LBigInteger.bn_op={"+":"iadd","-":"isub","*":"imul","/":"idiv","%":"imod","|":"ior","&":"iand","~":"inot","<<":"ishrn",">>":"ishln"};LBigInteger.prototype.serialize=function(){return this.__value__.toString()};LBigInteger.prototype._op=function(e,t){if(typeof t==="undefined"){if(LNumber.isBN(this.__value__)){e=LBigInteger.bn_op[e];return LBigInteger(this.__value__.clone()[e](),false)}return LBigInteger(LNumber._ops[e](this.__value__),true)}if(LNumber.isBN(this.__value__)&&LNumber.isBN(t.__value__)){e=LBigInteger.bn_op[e];return LBigInteger(this.__value__.clone()[e](t),false)}var r=LNumber._ops[e](this.__value__,t.__value__);if(e==="/"){var n=this.op("%",t).cmp(0)===0;if(n){return LNumber(r)}return LRational({num:this,denom:t})}return LBigInteger(r,true)};LBigInteger.prototype.sqrt=function(){var e;var t=this.cmp(0)<0;if(LNumber.isNative(this.__value__)){e=LNumber(Math.sqrt(t?-this.valueOf():this.valueOf()))}else if(LNumber.isBN(this.__value__)){e=t?this.__value__.neg().sqrt():this.__value__.sqrt()}if(t){return LComplex({re:0,im:e})}return e};LNumber.NaN=LNumber(NaN);function InputPort(e){var n=this;if(typeof this!=="undefined"&&!(this instanceof InputPort)||typeof this==="undefined"){return new InputPort(e)}typecheck("InputPort",e,"function");read_only(this,"__type__",text_port);var i;Object.defineProperty(this,"__parser__",{enumerable:true,get:function e(){return i},set:function e(t){typecheck("InputPort::__parser__",t,"parser");i=t}});this._read=e;this._with_parser=this._with_init_parser.bind(this,_asyncToGenerator(_regeneratorRuntime.mark(function e(){var r;return _regeneratorRuntime.wrap(function e(t){while(1){switch(t.prev=t.next){case 0:if(n.char_ready()){t.next=5;break}t.next=3;return n._read();case 3:r=t.sent;i=new Parser(r,{env:n});case 5:return t.abrupt("return",n.__parser__);case 6:case"end":return t.stop()}}},e)})));this.char_ready=function(){return!!this.__parser__&&this.__parser__.__lexer__.peek()!==eof};this._make_defaults()}InputPort.prototype._make_defaults=function(){this.read=this._with_parser(function(e){return e.read_object()});this.read_line=this._with_parser(function(e){return e.__lexer__.read_line()});this.read_char=this._with_parser(function(e){return e.__lexer__.read_char()});this.read_string=this._with_parser(function(e,t){if(!LNumber.isInteger(t)){var r=LNumber.getType(t);typeErrorMessage("read-string",r,"integer")}return e.__lexer__.read_string(t.valueOf())});this.peek_char=this._with_parser(function(e){return e.__lexer__.peek_char()})};InputPort.prototype._with_init_parser=function(u,s){var c=this;return _asyncToGenerator(_regeneratorRuntime.mark(function e(){var r,n,i,a,o=arguments;return _regeneratorRuntime.wrap(function e(t){while(1){switch(t.prev=t.next){case 0:t.next=2;return u.call(c);case 2:r=t.sent;for(n=o.length,i=new Array(n),a=0;a<n;a++){i[a]=o[a]}return t.abrupt("return",s.apply(void 0,[r].concat(i)));case 5:case"end":return t.stop()}}},e)}))};InputPort.prototype.is_open=function(){return this._with_parser!==null};InputPort.prototype.close=function(){var t=this;this.__parser__=null;this._with_parser=null;["read","close","read_char","peek-char","read_line"].forEach(function(e){t[e]=function(){throw new Error("input-port: port is closed")}});this.char_ready=function(){return false}};InputPort.prototype.toString=function(){return"#<input-port>"};function OutputPort(e){if(typeof this!=="undefined"&&!(this instanceof OutputPort)||typeof this==="undefined"){return new OutputPort(e)}typecheck("OutputPort",e,"function");read_only(this,"__type__",text_port);this.write=e}OutputPort.prototype.is_open=function(){return this._closed!==true};OutputPort.prototype.close=function(){Object.defineProperty(this,"_closed",{get:function e(){return true},set:function e(){},configurable:false,enumerable:false});this.write=function(){throw new Error("output-port: port is closed")}};OutputPort.prototype.flush=function(){};OutputPort.prototype.toString=function(){return"#<output-port>"};var BufferedOutputPort=function(e){_inherits(n,e);var r=_createSuper(n);function n(e){var t;_classCallCheck(this,n);t=r.call(this,function(){var e;return(e=t)._write.apply(e,arguments)});typecheck("BufferedOutputPort",e,"function");read_only(_assertThisInitialized(t),"_fn",e,{hidden:true});read_only(_assertThisInitialized(t),"_buffer",[],{hidden:true});return t}_createClass(n,[{key:"flush",value:function e(){if(this._buffer.length){this._fn(this._buffer.join(""));this._buffer.length=0}}},{key:"_write",value:function e(){var t=this;for(var r=arguments.length,n=new Array(r),i=0;i<r;i++){n[i]=arguments[i]}if(n.length){n.forEach(function(e){t._buffer.push(e)});var a=this._buffer[this._buffer.length-1];if(a.match(/\n$/)){this._buffer[this._buffer.length-1]=a.replace(/\n$/,"");this.flush()}}}}]);return n}(OutputPort);function OutputStringPort(t){var r=this;if(typeof this!=="undefined"&&!(this instanceof OutputStringPort)||typeof this==="undefined"){return new OutputStringPort(t)}typecheck("OutputStringPort",t,"function");read_only(this,"__type__",text_port);read_only(this,"__buffer__",[]);this.write=function(e){if(!LString.isString(e)){e=t(e)}else{e=e.valueOf()}r.__buffer__.push(e)}}OutputStringPort.prototype=Object.create(OutputPort.prototype);OutputStringPort.prototype.constructor=OutputStringPort;OutputStringPort.prototype.toString=function(){return"#<output-port (string)>"};OutputStringPort.prototype.valueOf=function(){return this.__buffer__.map(function(e){return e.valueOf()}).join("")};function OutputFilePort(e,t){var r=this;if(typeof this!=="undefined"&&!(this instanceof OutputFilePort)||typeof this==="undefined"){return new OutputFilePort(e,t)}typecheck("OutputFilePort",e,"string");read_only(this,"__filename__",e);read_only(this,"_fd",t.valueOf(),{hidden:true});read_only(this,"__type__",text_port);this.write=function(e){if(!LString.isString(e)){e=toString(e)}else{e=e.valueOf()}r.fs().write(r._fd,e,function(e){if(e){throw e}})}}OutputFilePort.prototype=Object.create(OutputPort.prototype);OutputFilePort.prototype.constructor=OutputFilePort;OutputFilePort.prototype.fs=function(){if(!this._fs){this._fs=this.internal("fs")}return this._fs};OutputFilePort.prototype.internal=function(e){return user_env.get("**internal-env**").get(e)};OutputFilePort.prototype.close=function(){var n=this;return new Promise(function(t,r){n.fs().close(n._fd,function(e){if(e){r(e)}else{read_only(n,"_fd",null,{hidden:true});OutputPort.prototype.close.call(n);t()}})})};OutputFilePort.prototype.toString=function(){return"#<output-port ".concat(this.__filename__,">")};function InputStringPort(e,t){var r=this;if(typeof this!=="undefined"&&!(this instanceof InputStringPort)||typeof this==="undefined"){return new InputStringPort(e)}typecheck("InputStringPort",e,"string");t=t||global_env;e=e.valueOf();this._with_parser=this._with_init_parser.bind(this,function(){if(!r.__parser__){r.__parser__=new Parser(e,{env:t})}return r.__parser__});read_only(this,"__type__",text_port);this._make_defaults()}InputStringPort.prototype.char_ready=function(){return true};InputStringPort.prototype=Object.create(InputPort.prototype);InputStringPort.prototype.constructor=InputStringPort;InputStringPort.prototype.toString=function(){return"#<input-port (string)>"};function InputByteVectorPort(e){if(typeof this!=="undefined"&&!(this instanceof InputByteVectorPort)||typeof this==="undefined"){return new InputByteVectorPort(e)}typecheck("InputByteVectorPort",e,"uint8array");read_only(this,"__vector__",e);read_only(this,"__type__",binary_port);var r=0;Object.defineProperty(this,"__index__",{enumerable:true,get:function e(){return r},set:function e(t){typecheck("InputByteVectorPort::__index__",t,"number");if(t instanceof LNumber){t=t.valueOf()}if(typeof t==="bigint"){t=Number(t)}if(Math.floor(t)!==t){throw new Error("InputByteVectorPort::__index__ value is "+"not integer")}r=t}})}InputByteVectorPort.prototype=Object.create(InputPort.prototype);InputByteVectorPort.prototype.constructor=InputByteVectorPort;InputByteVectorPort.prototype.toString=function(){return"#<input-port (bytevector)>"};InputByteVectorPort.prototype.close=function(){var t=this;read_only(this,"__vector__",_nil);["read_u8","close","peek_u8","read_u8_vector"].forEach(function(e){t[e]=function(){throw new Error("Input-binary-port: port is closed")}});this.char_ready=function(){return false}};InputByteVectorPort.prototype.u8_ready=function(){return true};InputByteVectorPort.prototype.peek_u8=function(){if(this.__index__>=this.__vector__.length){return eof}return this.__vector__[this.__index__]};InputByteVectorPort.prototype.skip=function(){if(this.__index__<=this.__vector__.length){++this.__index__}};InputByteVectorPort.prototype.read_u8=function(){var e=this.peek_u8();this.skip();return e};InputByteVectorPort.prototype.read_u8_vector=function(e){if(typeof e==="undefined"){e=this.__vector__.length}else if(e>this.__index__+this.__vector__.length){e=this.__index__+this.__vector__.length}if(this.peek_u8()===eof){return eof}return this.__vector__.slice(this.__index__,e)};function OutputByteVectorPort(){if(typeof this!=="undefined"&&!(this instanceof OutputByteVectorPort)||typeof this==="undefined"){return new OutputByteVectorPort}read_only(this,"__type__",binary_port);read_only(this,"_buffer",[],{hidden:true});this.write=function(e){typecheck("write",e,["number","uint8array"]);if(LNumber.isNumber(e)){this._buffer.push(e.valueOf())}else{var t;(t=this._buffer).push.apply(t,_toConsumableArray(Array.from(e)))}};Object.defineProperty(this,"__buffer__",{enumerable:true,get:function e(){return Uint8Array.from(this._buffer)}})}OutputByteVectorPort.prototype=Object.create(OutputPort.prototype);OutputByteVectorPort.prototype.constructor=OutputByteVectorPort;OutputByteVectorPort.prototype.close=function(){OutputPort.prototype.close.call(this);read_only(this,"_buffer",null,{hidden:true})};OutputByteVectorPort.prototype._close_guard=function(){if(this._closed){throw new Error("output-port: binary port is closed")}};OutputByteVectorPort.prototype.write_u8=function(e){typecheck("OutputByteVectorPort::write_u8",e,"number");this.write(e)};OutputByteVectorPort.prototype.write_u8_vector=function(e){typecheck("OutputByteVectorPort::write_u8_vector",e,"uint8array");this.write(e)};OutputByteVectorPort.prototype.toString=function(){return"#<output-port (bytevector)>"};OutputByteVectorPort.prototype.valueOf=function(){return 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\xA0\u1680\u2000-\u200A\u2028\u2029\u202F\u205F\u3000\uFEFF]/},undefined,"internal");var nan=LNumber(NaN);var constants={true:true,false:false,"#true":true,"#false":false,"#t":true,"#f":false,nil:_nil,undefined:undefined,null:null,NaN:nan,"+nan.0":nan,"-nan.0":nan};var global_env=new Environment({eof:eof,undefined:undefined,"peek-char":doc("peek-char",function(){var e=arguments.length>0&&arguments[0]!==undefined?arguments[0]:null;if(e===null){e=internal(this,"stdin")}typecheck_text_port("peek-char",e,"input-port");return e.peek_char()},"(peek-char port)\n\n        This function reads and returns a character from the string\n        port, or, if there is no more data in the string port, it\n        returns an EOF."),"read-line":doc("read-line",function(){var e=arguments.length>0&&arguments[0]!==undefined?arguments[0]:null;if(e===null){e=internal(this,"stdin")}typecheck_text_port("read-line",e,"input-port");return e.read_line()},"(read-line port)\n\n        This function reads and returns the next line from the input\n        port."),"read-char":doc("read-char",function(){var e=arguments.length>0&&arguments[0]!==undefined?arguments[0]:null;if(e===null){e=internal(this,"stdin")}typecheck_text_port("read-char",e,"input-port");return e.read_char()},"(read-char port)\n\n        This function reads and returns the next character from the\n        input port."),read:doc("read",function(){var e=_asyncToGenerator(_regeneratorRuntime.mark(function e(){var r,n,i,a,o,u,s,c,l,f=arguments;return _regeneratorRuntime.wrap(function e(t){while(1){switch(t.prev=t.next){case 0:r=f.length>0&&f[0]!==undefined?f[0]:null;n=this.env;if(!LString.isString(r)){t.next=31;break}i=false;a=false;t.prev=5;u=_asyncIterator(_parse(r,n));case 7:t.next=9;return u.next();case 9:if(!(i=!(s=t.sent).done)){t.next=15;break}c=s.value;return t.abrupt("return",c);case 12:i=false;t.next=7;break;case 15:t.next=21;break;case 17:t.prev=17;t.t0=t["catch"](5);a=true;o=t.t0;case 21:t.prev=21;t.prev=22;if(!(i&&u["return"]!=null)){t.next=26;break}t.next=26;return u["return"]();case 26:t.prev=26;if(!a){t.next=29;break}throw o;case 29:return t.finish(26);case 30:return t.finish(21);case 31:if(r===null){l=internal(n,"stdin")}else{l=r}typecheck_text_port("read",l,"input-port");return t.abrupt("return",l.read.call(n));case 34:case"end":return t.stop()}}},e,this,[[5,17,21,31],[22,,26,30]])}));function t(){return e.apply(this,arguments)}return t}(),"(read [string])\n\n        This function, if used with a string, will parse it and\n        return the LIPS code, if there is any. If called with a\n        port, it will parse the next item from the port. If called\n        without an input, it will read a string from standard input\n        (using the browser's prompt or a user defined input method)\n        and calls itself with that string. This function can be used\n        together with `eval` to evaluate code from a string."),pprint:doc("pprint",function e(t){if(t instanceof Pair){t=new lips.Formatter(t.toString(true))["break"]().format();global_env.get("display").call(global_env,t)}else{global_env.get("write").call(global_env,t)}global_env.get("newline").call(global_env)},"(pprint expression)\n\n        This function will pretty print its input to stdout. If it is called\n        with a non-list, it will just call the print function on its\n        input."),print:doc("print",function e(){var t=global_env.get("display");var r=global_env.get("newline");var n=this.use_dynamic;var i=global_env;var a=global_env;for(var o=arguments.length,u=new Array(o),s=0;s<o;s++){u[s]=arguments[s]}u.forEach(function(e){call_function(t,[e],{env:i,dynamic_env:a,use_dynamic:n});call_function(r,[],{env:i,dynamic_env:a,use_dynamic:n})})},"(print . args)\n\n        This function converts each input into a string and prints\n        the result to the standard output (by default it's the\n        console but it can be defined in user code). This function\n        calls `(newline)` after printing each input."),format:doc("format",function e(t){for(var r=arguments.length,n=new Array(r>1?r-1:0),i=1;i<r;i++){n[i-1]=arguments[i]}typecheck("format",t,"string");var a=/(~[as%~])/g;var o=t.match(/(~[as])/g);if(o&&o.length>n.length){throw new Error("Not enough arguments")}var u=0;var s=global_env.get("repr");t=t.replace(a,function(e){var t=e[1];if(t==="~"){return"~"}else if(t==="%"){return"\n"}else{var r=n[u++];if(t==="a"){return s(r)}else{return s(r,true)}}});o=t.match(/~([\S])/);if(o){throw new Error("format: Unrecognized escape sequence ".concat(o[1]))}return t},"(format string n1 n2 ...)\n\n        This function accepts a string template and replaces any\n        escape sequences in its inputs:\n\n        * ~a value as if printed with `display`\n        * ~s value as if printed with `write`\n        * ~% newline character\n        * ~~ literal tilde '~'\n\n        If there are missing inputs or other escape characters it\n        will error."),display:doc("display",function e(t){var r=arguments.length>1&&arguments[1]!==undefined?arguments[1]:null;if(r===null){r=internal(this,"stdout")}else{typecheck("display",r,"output-port")}var n=t;if(!(r instanceof OutputBinaryFilePort)){n=global_env.get("repr")(t)}r.write.call(global_env,n)},"(display string [port])\n\n        This function outputs the string to the standard output or\n        the port if given. No newline."),"display-error":doc("display-error",function e(){var t=internal(this,"stderr");var r=global_env.get("repr");for(var n=arguments.length,i=new Array(n),a=0;a<n;a++){i[a]=arguments[a]}var o=i.map(r).join(" ");t.write.call(global_env,o);global_env.get("newline")(t)},"(display-error . args)\n\n        Display an error message on stderr."),"%same-functions":doc("%same-functions",function(e,t){if(!is_function(e)){return false}if(!is_function(t)){return false}return unbind(e)===unbind(t)},"(%same-functions a b)\n\n        A helper function that checks if the two input functions are\n        the same."),help:doc(new Macro("help",function(e,t){var r=t.dynamic_env,n=t.use_dynamic,i=t.error;var a;if(e.car instanceof LSymbol){a=e.car}else if(e.car instanceof Pair&&e.car.car instanceof LSymbol){a=e.car.car}else{var l=this;r=this;var o=_evaluate(e.car,{env:l,error:i,dynamic_env:r,use_dynamic:n});if(o&&o.__doc__){return o.__doc__}return}var u;var s=this.get(a);u=s&&s.__doc__;if(u){return u}var c=this.ref(a);if(c){u=c.doc(a);if(u){return u}}}),"(help object)\n\n         This macro returns documentation for a function or macro.\n         You can save the function or macro in a variable and use it\n         here. But getting help for a variable requires passing the\n         variable in a `quote`."),cons:doc("cons",function e(t,r){return new Pair(t,r)},"(cons left right)\n\n        This function returns a new list with the first appended\n        before the second. If the second is not a list cons will\n        return a dotted pair."),car:doc("car",function e(t){typecheck("car",t,"pair");return t.car},"(car pair)\n\n        This function returns the car (item 1) of the list."),cdr:doc("cdr",function e(t){typecheck("cdr",t,"pair");return t.cdr},"(cdr pair)\n\n        This function returns the cdr (all but first) of the list."),"set!":doc(new Macro("set!",function(e){var c=this;var t=arguments.length>1&&arguments[1]!==undefined?arguments[1]:{},r=t.use_dynamic,l=_objectWithoutProperties(t,_excluded4);var n=this;var i=this;var a;var f=_objectSpread(_objectSpread({},l),{},{env:this,dynamic_env:n,use_dynamic:r});var o=_evaluate(e.cdr.car,f);o=resolve_promises(o);function u(t,r,n){if(is_promise(t)){return t.then(function(e){return u(t,e,n)})}if(is_promise(r)){return r.then(function(e){return u(t,e,n)})}if(is_promise(n)){return n.then(function(e){return u(t,r,e)})}i.get("set-obj!").call(i,t,r,n);return n}if(e.car instanceof Pair&&LSymbol.is(e.car.car,".")){var _=e.car.cdr.car;var p=e.car.cdr.cdr.car;var h=_evaluate(_,{env:this,dynamic_env:n,use_dynamic:r,error:error});var d=_evaluate(p,{env:this,dynamic_env:n,use_dynamic:r,error:error});return u(h,d,o)}if(!(e.car instanceof LSymbol)){throw new Error("set! first argument need to be a symbol or "+"dot accessor that evaluate to object.")}var s=e.car.valueOf();a=this.ref(e.car.__name__);return unpromise(o,function(e){if(!a){var t=s.split(".");if(t.length>1){var r=t.pop();var n=t.join(".");var i=c.get(n,{throwError:false});if(i){u(i,r,e);return}}throw new Error("Unbound variable `"+s+"'")}a.set(s,e)})}),"(set! name value)\n\n         Macro that can be used to set the value of the variable or slot (mutate it).\n         set! searches the scope chain until it finds first non empty slot and sets it."),"unset!":doc(new Macro("set!",function(e){if(!(e.car instanceof LSymbol)){throw new Error("unset! first argument need to be a symbol or "+"dot accessor that evaluate to object.")}var t=e.car;var r=this.ref(t);if(r){delete r.__env__[t.__name__]}}),"(unset! name)\n\n         Function to delete the specified name from environment.\n         Trying to access the name afterwards will error."),"set-car!":doc("set-car!",function(e,t){typecheck("set-car!",e,"pair");e.car=t},"(set-car! obj value)\n\n         Function that sets the car (first item) of the list/pair to specified value.\n         The old value is lost."),"set-cdr!":doc("set-cdr!",function(e,t){typecheck("set-cdr!",e,"pair");e.cdr=t},"(set-cdr! obj value)\n\n         Function that sets the cdr (tail) of the list/pair to specified value.\n         It will destroy the list. The old tail is lost."),"empty?":doc("empty?",function(e){return typeof e==="undefined"||e===_nil},"(empty? object)\n\n         Function that returns #t if value is nil (an empty list) or undefined."),gensym:doc("gensym",gensym,"(gensym)\n\n         Generates a unique symbol that is not bound anywhere,\n         to use with macros as meta name."),load:doc("load",function e(u,t){typecheck("load",u,"string");var s=this;if(s.__name__==="__frame__"){s=s.__parent__}if(!(t instanceof Environment)){if(s===global_env){t=s}else{t=this.get("**interaction-environment**")}}var c="**module-path**";var l=global_env.get(c,{throwError:false});u=u.valueOf();if(!u.match(/.[^.]+$/)){u+=".scm"}var r=u.match(/\.xcb$/);function f(e){if(r){e=unserialize_bin(e)}else{if(type(e)==="buffer"){e=e.toString()}e=e.replace(/^#!.*/,"");if(e.match(/^\{/)){e=unserialize(e)}}return exec(e,{env:t})}function n(e){return root.fetch(e).then(function(e){return r?e.arrayBuffer():e.text()}).then(function(e){if(r){e=new Uint8Array(e)}return e})}if(is_node()){return new Promise(function(){var r=_asyncToGenerator(_regeneratorRuntime.mark(function e(r,n){var i,a,o;return _regeneratorRuntime.wrap(function e(t){while(1){switch(t.prev=t.next){case 0:i=nodeRequire("path");if(!l){t.next=6;break}l=l.valueOf();u=i.join(l,u);t.next=12;break;case 6:a=s.get("command-line",{throwError:false});if(!a){t.next=11;break}t.next=10;return a();case 10:o=t.sent;case 11:if(o&&o!==_nil){process.cwd();u=i.join(i.dirname(o.car.valueOf()),u)}case 12:global_env.set(c,i.dirname(u));nodeRequire("fs").readFile(u,function(e,t){if(e){n(e);global_env.set(c,l)}else{try{f(t).then(function(){r();global_env.set(c,l)})["catch"](n)}catch(e){n(e)}}});case 14:case"end":return t.stop()}}},e)}));return function(e,t){return r.apply(this,arguments)}}())}if(l){l=l.valueOf();u=l+"/"+u.replace(/^\.?\/?/,"")}return n(u).then(function(e){global_env.set(c,u.replace(/\/[^/]*$/,""));return f(e)}).then(function(){})["finally"](function(){global_env.set(c,l)})},"(load filename)\n        (load filename environment)\n\n        Fetches the file (from disk or network) and evaluates its content as LIPS code.\n        If the second argument is provided and it's an environment the evaluation\n        will happen in that environment."),do:doc(new Macro("do",function(){var r=_asyncToGenerator(_regeneratorRuntime.mark(function e(r,_){var p,n,i,a,u,s,o,c,l,f,h,d;return _regeneratorRuntime.wrap(function e(t){while(1){switch(t.prev=t.next){case 0:p=_.use_dynamic,n=_.error;i=this;a=i;u=i.inherit("do");s=r.car;o=r.cdr.car;c=r.cdr.cdr;if(c!==_nil){c=new Pair(LSymbol("begin"),c)}l={env:i,dynamic_env:a,use_dynamic:p,error:n};f=s;case 10:if(!(f!==_nil)){t.next=21;break}h=f.car;t.t0=u;t.t1=h.car;t.next=16;return _evaluate(h.cdr.car,l);case 16:t.t2=t.sent;t.t0.set.call(t.t0,t.t1,t.t2);f=f.cdr;t.next=10;break;case 21:l={env:u,dynamic_env:a,error:n};d=_regeneratorRuntime.mark(function e(){var r,n,i,a,o;return _regeneratorRuntime.wrap(function e(t){while(1){switch(t.prev=t.next){case 0:if(!(c!==_nil)){t.next=3;break}t.next=3;return lips.evaluate(c,l);case 3:r=s;n={};case 5:if(!(r!==_nil)){t.next=15;break}i=r.car;if(!(i.cdr.cdr!==_nil)){t.next=12;break}t.next=10;return _evaluate(i.cdr.cdr.car,l);case 10:a=t.sent;n[i.car.valueOf()]=a;case 12:r=r.cdr;t.next=5;break;case 15:o=Object.getOwnPropertySymbols(n);Object.keys(n).concat(o).forEach(function(e){u.set(e,n[e])});case 17:case"end":return t.stop()}}},e)});case 23:t.next=25;return _evaluate(o.car,l);case 25:t.t3=t.sent;if(!(t.t3===false)){t.next=30;break}return t.delegateYield(d(),"t4",28);case 28:t.next=23;break;case 30:if(!(o.cdr!==_nil)){t.next=34;break}t.next=33;return _evaluate(o.cdr.car,l);case 33:return t.abrupt("return",t.sent);case 34:case"end":return t.stop()}}},e,this)}));return function(e,t){return r.apply(this,arguments)}}()),"(do ((<var> <init> <next>)) (test return) . body)\n\n         Iteration macro that evaluates the expression body in scope of the variables.\n         On each loop it changes the variables according to the <next> expression and runs\n         test to check if the loop should continue. If test is a single value, the macro\n         will return undefined. If the test is a pair of expressions the macro will\n         evaluate and return the second expression after the loop exits."),if:doc(new Macro("if",function(r,e){var t=e.error,n=e.use_dynamic;var i=this;var a=this;var o={env:a,dynamic_env:i,use_dynamic:n,error:t};var u=function e(t){if(t===false){return _evaluate(r.cdr.cdr.car,o)}else{return _evaluate(r.cdr.car,o)}};if(r===_nil){throw new Error("too few expressions for `if`")}var s=_evaluate(r.car,o);return unpromise(s,u)}),"(if cond true-expr false-expr)\n\n         Macro that evaluates cond expression and if the value is true, it\n         evaluates and returns true-expression, if not it evaluates and returns\n         false-expression."),"let-env":new Macro("let-env",function(t){var e=arguments.length>1&&arguments[1]!==undefined?arguments[1]:{};var r=e.dynamic_env,n=e.use_dynamic,i=e.error;typecheck("let-env",t,"pair");var a=_evaluate(t.car,{env:this,dynamic_env:r,error:i,use_dynamic:n});return unpromise(a,function(e){typecheck("let-env",e,"environment");return _evaluate(Pair(LSymbol("begin"),t.cdr),{env:e,dynamic_env:r,error:i})})},"(let-env env . body)\n\n        Special macro that evaluates body in context of given environment\n        object."),letrec:doc(let_macro(Symbol["for"]("letrec")),"(letrec ((a value-a) (b value-b) ...) . body)\n\n         Macro that creates a new environment, then evaluates and assigns values to\n         names and then evaluates the body in context of that environment.\n         Values are evaluated sequentially and the next value can access the\n         previous values/names."),"letrec*":doc(let_macro(Symbol["for"]("letrec")),"(letrec* ((a value-a) (b value-b) ...) . body)\n\n         Same as letrec but the order of execution of the binding is guaranteed,\n         so you can use recursive code as well as referencing the previous binding.\n\n         In LIPS both letrec and letrec* behave the same."),"let*":doc(let_macro(Symbol["for"]("let*")),"(let* ((a value-a) (b value-b) ...) . body)\n\n         Macro similar to `let`, but the subsequent bindings after the first\n         are evaluated in the environment including the previous let variables,\n         so you can define one variable, and use it in the next's definition."),let:doc(let_macro(Symbol["for"]("let")),"(let ((a value-a) (b value-b) ...) . body)\n\n         Macro that creates a new environment, then evaluates and assigns values to names,\n         and then evaluates the body in context of that environment.  Values are evaluated\n         sequentially but you can't access previous values/names when the next are\n         evaluated. You can only get them in the body of the let expression.  (If you want\n         to define multiple variables and use them in each other's definitions, use\n         `let*`.)"),"begin*":doc(parallel("begin*",function(e){return e.pop()}),"(begin* . body)\n\n         This macro is a parallel version of begin. It evaluates each expression\n         in the body and if it's a promise it will await it in parallel and return\n         the value of the last expression (i.e. it uses Promise.all())."),shuffle:doc(function(e){typecheck("shuffle",e,["pair","nil","array"]);var t=global_env.get("random");if(e===_nil){return _nil}if(Array.isArray(e)){return shuffle(e.slice(),t)}var r=global_env.get("list->array")(e);r=shuffle(r,t);return global_env.get("array->list")(r)},"(shuffle obj)\n\n        Order items in vector or list in random order."),begin:doc(new Macro("begin",function(e,t){var n=_objectSpread(_objectSpread({},t),{},{env:this});var i=global_env.get("list->array")(e);var a;return function t(){if(i.length){var e=i.shift();var r=_evaluate(e,n);return unpromise(r,function(e){a=e;return t()})}else{return a}}()}),"(begin . args)\n\n         Macro that runs a list of expressions in order and returns the value\n         of the last one. It can be used in places where you can only have a\n         single expression, like (if)."),ignore:new Macro("ignore",function(e,t){var r=_objectSpread(_objectSpread({},t),{},{env:this,dynamic_env:this});_evaluate(new Pair(new LSymbol("begin"),e),r)},"(ignore . body)\n\n        Macro that will evaluate the expression and swallow any promises that may\n        be created. It will discard any value that may be returned by the last body\n        expression. The code should have side effects and/or when it's promise\n        it should resolve to undefined."),"call/cc":doc(Macro.defmacro("call/cc",function(e){var t=arguments.length>1&&arguments[1]!==undefined?arguments[1]:{};var r=_objectSpread({env:this},t);return unpromise(_evaluate(e.car,r),function(e){if(is_function(e)){return e(new Continuation(null))}})}),"(call/cc proc)\n\n         Call-with-current-continuation.\n\n         NOT SUPPORTED BY LIPS RIGHT NOW"),parameterize:doc(new Macro("parameterize",function(t,e){var i=e.dynamic_env;var a=i.inherit("parameterize").new_frame(null,{});var o=_objectSpread(_objectSpread({},e),{},{env:this});var u=t.car;if(!is_pair(u)){var r=type(u);throw new Error("Invalid syntax for parameterize expecting pair got ".concat(r))}function s(){var e=new Pair(new LSymbol("begin"),t.cdr);return _evaluate(e,_objectSpread(_objectSpread({},o),{},{dynamic_env:a}))}return function r(){var e=u.car;var n=e.car.valueOf();return unpromise(_evaluate(e.cdr.car,o),function(e){var t=i.get(n,{throwError:false});if(!is_parameter(t)){throw new Error("Unknown parameter ".concat(n))}a.set(n,t.inherit(e));if(!is_null(u.cdr)){u=u.cdr;return r()}else{return s()}})}()}),"(parameterize ((name value) ...)\n\n         Macro that change the dynamic variable created by make-parameter."),"make-parameter":doc(new Macro("make-parameter",function(e,t){t.dynamic_env;var r=_evaluate(e.car,t);var n;if(e.cdr.car instanceof Pair){n=_evaluate(e.cdr.car,t)}return new Parameter(r,n)}),"(make-parameter init converter)\n\n    Function creates new dynamic variable that can be custimized with parameterize\n    macro. The value should be assigned to a variable e.g.:\n\n    (define radix (make-parameter 10))\n\n    The result value is a procedure that return the value of dynamic variable."),define:doc(Macro.defmacro("define",function(r,e){var n=this;if(r.car instanceof Pair&&r.car.car instanceof LSymbol){var t=new Pair(new LSymbol("define"),new Pair(r.car.car,new Pair(new Pair(new LSymbol("lambda"),new Pair(r.car.cdr,r.cdr)))));return t}else if(e.macro_expand){return}e.dynamic_env=this;e.env=n;var i=r.cdr.car;var a;if(i instanceof Pair){i=_evaluate(i,e);a=true}else if(i instanceof LSymbol){i=n.get(i)}typecheck("define",r.car,"symbol");return unpromise(i,function(e){if(n.__name__===Syntax.__merge_env__){n=n.__parent__}if(a&&(is_function(e)&&is_lambda(e)||e instanceof Syntax||is_parameter(e))){e.__name__=r.car.valueOf();if(e.__name__ instanceof LString){e.__name__=e.__name__.valueOf()}}var t;if(r.cdr.cdr instanceof Pair&&LString.isString(r.cdr.cdr.car)){t=r.cdr.cdr.car.valueOf()}n.set(r.car,e,t,true)})}),'(define name expression)\n         (define name expression "doc string")\n         (define (function-name . args) . body)\n\n         Macro for defining values. It can be used to define variables,\n         or functions. If the first argument is list it will create a function\n         with name being first element of the list. This form expands to\n         `(define function-name (lambda args body))`'),"set-obj!":doc("set-obj!",function(e,t,r){var n=arguments.length>3&&arguments[3]!==undefined?arguments[3]:null;var i=_typeof(e);if(is_null(e)||i!=="object"&&i!=="function"){var a=typeErrorMessage("set-obj!",type(e),["object","function"]);throw new Error(a)}typecheck("set-obj!",t,["string","symbol","number"]);e=unbind(e);t=t.valueOf();if(arguments.length===2){delete e[t]}else if(is_prototype(e)&&is_function(r)){e[t]=unbind(r);e[t][__prototype__]=true}else if(is_function(r)||is_native(r)||r===_nil){e[t]=r}else{e[t]=r&&!is_prototype(r)?r.valueOf():r}if(props){var o=e[t];Object.defineProperty(e,t,_objectSpread(_objectSpread({},n),{},{value:o}))}},"(set-obj! obj key value)\n        (set-obj! obj key value props)\n\n        Function set a property of a JavaScript object. props should be a vector of pairs,\n        passed to Object.defineProperty."),"null-environment":doc("null-environment",function(){return global_env.inherit("null")},"(null-environment)\n\n        Returns a clean environment with only the standard library."),values:doc("values",function e(){for(var t=arguments.length,r=new Array(t),n=0;n<t;n++){r[n]=arguments[n]}return Values(r)},"(values a1 a2 ...)\n\n        If called with more then one element it will create a special\n        Values object that can be used in the call-with-values function."),"call-with-values":doc("call-with-values",function(e,t){typecheck("call-with-values",e,"function",1);typecheck("call-with-values",t,"function",2);var r=e.apply(this);if(r instanceof Values){return t.apply(this,r.valueOf())}return t.call(this,r)},"(call-with-values producer consumer)\n\n        Calls the producer procedure with no arguments, then calls the\n        consumer procedure with the returned value as an argument -- unless\n        the returned value is a special Values object created by (values), if it is\n        the values are unpacked and the consumer is called with multiple arguments."),"current-environment":doc("current-environment",function(){if(this.__name__==="__frame__"){return this.__parent__}return this},"(current-environment)\n\n        Function that returns the current environment (they're first-class objects!)"),"parent.frame":doc("parent.frame",function(){return user_env},"(parent.frame)\n\n        Returns the parent environment if called from inside a function.\n        If no parent frame can be found it returns nil."),eval:doc("eval",function(e,t){var n=this;t=t||this.get("current-environment").call(this);return _evaluate(e,{env:t,dynamic_env:t,error:function e(t){var e=global_env.get("display-error");e.call(n,t.message);if(t.code){var r=t.code.map(function(e,t){return"[".concat(t+1,"]: ").concat(e)}).join("\n");e.call(n,r)}}})},"(eval expr)\n        (eval expr environment)\n\n        Function that evaluates LIPS Scheme code. If the second argument is provided\n        it will be the environment that the code is evaluated in."),lambda:new Macro("lambda",function(d){var e=arguments.length>1&&arguments[1]!==undefined?arguments[1]:{},m=e.use_dynamic,y=e.error;var v=this;var g;if(d.cdr instanceof Pair&&LString.isString(d.cdr.car)&&d.cdr.cdr!==_nil){g=d.cdr.car.valueOf()}function b(){var c=is_context(this)?this:{dynamic_env:v},r=c.dynamic_env;var n=v.inherit("lambda");r=r.inherit("lambda");if(this&&!is_context(this)){if(this&&!this.__instance__){Object.defineProperty(this,"__instance__",{enumerable:false,get:function e(){return true},set:function e(){},configurable:false})}n.set("this",this)}for(var e=arguments.length,t=new Array(e),i=0;i<e;i++){t[i]=arguments[i]}if(this instanceof LambdaContext){var a={throwError:false};n.set("arguments",this.env.get("arguments",a));n.set("parent.frame",this.env.get("parent.frame",a))}else{var o=t.slice();o.callee=b;o.env=n;n.set("arguments",o)}function l(e,t){n.__env__[e.__name__]=t;r.__env__[e.__name__]=t}var u=d.car;var s=0;if(u instanceof LSymbol||u!==_nil){while(true){if(u.car!==_nil){if(u instanceof LSymbol){var f=quote(Pair.fromArray(t.slice(s),false));l(u,f);break}else if(is_pair(u)){var _=t[s];l(u.car,_)}}if(u.cdr===_nil){break}s++;u=u.cdr}}var p=g?d.cdr.cdr:d.cdr;var h=new Pair(new LSymbol("begin"),p);return _evaluate(h,{env:n,dynamic_env:r,use_dynamic:m,error:y})}var t=d.car instanceof Pair?d.car.length():null;b.__code__=new Pair(new LSymbol("lambda"),d);b[__lambda__]=true;if(!(d.car instanceof Pair)){return doc(b,g,true)}return doc(set_fn_length(b,t),g,true)},"(lambda (a b) body)\n        (lambda args body)\n        (lambda (a b . rest) body)\n\n        The lambda macro creates a new anonymous function. If the first element of\n        the body is a string and there is more elements the string is used as the\n        documentation string, that can be read using (help fn)."),macroexpand:new Macro("macroexpand",macro_expand()),"macroexpand-1":new Macro("macroexpand-1",macro_expand(true)),"define-macro":doc(new Macro(macro,function(u,e){var s=e.use_dynamic,c=e.error;if(u.car instanceof Pair&&u.car.car instanceof LSymbol){var t=u.car.car.__name__;var l;if(LString.isString(u.cdr.car)&&u.cdr.cdr instanceof Pair){l=u.cdr.car.valueOf()}var r=Macro.defmacro(t,function(e){var t=new Environment({},this,"defmacro");var r=u.car.cdr;var n=e;while(true){if(r===_nil){break}if(r instanceof LSymbol){t.__env__[r.__name__]=n;break}else if(r.car!==_nil){if(n===_nil){t.__env__[r.car.__name__]=_nil}else{if(n.car instanceof Pair){n.car[__data__]=true}t.__env__[r.car.__name__]=n.car}}if(r.cdr===_nil){break}if(n!==_nil){n=n.cdr}r=r.cdr}var i={env:t,dynamic_env:t,use_dynamic:s,error:c};if(u.cdr instanceof Pair){var a=l?u.cdr.cdr:u.cdr;var o=a.reduce(function(e,t){return _evaluate(t,i)});return unpromise(o,function(e){if(_typeof(e)==="object"){delete e[__data__]}return e})}},l,true);r.__code__=new Pair(new LSymbol("define-macro"),u);this.set(t,r)}}),"(define-macro (name . args) body)\n\n         The meta-macro, that creates new macros. If the return value is a list structure\n         it will be evaluated where the macro is invoked from. You can use quasiquote `\n         and unquote , and unquote-splicing ,@ inside to create an expression that will be\n         evaluated at runtime. Macros works like this: if you pass any expression to a\n         macro the arguments will not be evaluated unless the macro's body explicitly\n         calls (eval) on it. Because of this a macro can manipulate the expression\n         (arguments) as lists."),"syntax-rules":new Macro("syntax-rules",function(v,e){var g=e.use_dynamic,b=e.error;var w=this;function D(e){var t=[];while(e!==_nil){var r=e.car;t.push(r.valueOf());e=e.cdr}return t}function t(e){while(e!==_nil){var t=e.car;if(!(t instanceof LSymbol)){throw new Error("syntax-rules: wrong identifier")}e=e.cdr}}if(v.car instanceof LSymbol){t(v.cdr.car)}else{t(v.car)}var r=new Syntax(function(e,l){var f=l.macro_expand;var t=w.inherit("syntax");var _=t;var r=this;if(r.__name__===Syntax.__merge_env__){var p=Object.getOwnPropertySymbols(r.__env__);p.forEach(function(e){r.__parent__.set(e,r.__env__[e])});r=r.__parent__}var h={env:t,dynamic_env:_,use_dynamic:g,error:b};var n,i,a;if(v.car instanceof LSymbol){n=v.car;a=D(v.cdr.car);i=v.cdr.cdr}else{n="...";a=D(v.car);i=v.cdr}try{while(i!==_nil){var o=i.car.car;var u=i.car.cdr.car;log(o);var s=extract_patterns(o,e,a,n,{expansion:this,define:w});if(s){if(is_debug()){console.log(JSON.stringify(symbolize(s),true,2));console.log("PATTERN: "+o.toString(true));console.log("MACRO: "+e.toString(true))}var d=[];var c=transform_syntax({bindings:s,expr:u,symbols:a,scope:t,lex_scope:r,names:d,ellipsis:n});log("OUPUT>>> "+c.toString());if(c){u=c}var m=r.merge(t,Syntax.__merge_env__);if(f){return{expr:u,scope:m}}var y=_evaluate(u,_objectSpread(_objectSpread({},h),{},{env:m}));return clear_gensyms(y,d)}i=i.cdr}}catch(e){e.message+=" in macro: ".concat(v.toString(true));throw e}throw new Error("Invalid Syntax ".concat(e.toString(true)))},w);r.__code__=v;return r},"(syntax-rules () (pattern expression) ...)\n\n        Base of hygienic macros, it will return a new syntax expander\n        that works like Lisp macros."),quote:doc(new Macro("quote",function(e){return quote(e.car)}),"(quote expression) or 'expression\n\n         Macro that returns a single LIPS expression as data (it won't evaluate the\n         argument). It will return a list if put in front of LIPS code.\n         And if put in front of a symbol it will return the symbol itself, not the value\n         bound to that name."),"unquote-splicing":doc("unquote-splicing",function(){throw new Error("You can't call `unquote-splicing` outside of quasiquote")},"(unquote-splicing code) or ,@code\n\n        Special form used in the quasiquote macro. It evaluates the expression inside and\n        splices the list into quasiquote's result. If it is not the last element of the\n        expression, the computed value must be a pair."),unquote:doc("unquote",function(){throw new Error("You can't call `unquote` outside of quasiquote")},"(unquote code) or ,code\n\n        Special form used in the quasiquote macro. It evaluates the expression inside and\n        substitutes the value into quasiquote's result."),quasiquote:Macro.defmacro("quasiquote",function(e,t){var u=t.use_dynamic,s=t.error;var c=this;var l=c;function o(e){return e instanceof Pair||is_plain_object(e)||Array.isArray(e)}function _(e,t){var r=arguments.length>2&&arguments[2]!==undefined?arguments[2]:o;if(e instanceof Pair){var n=e.car;var i=e.cdr;if(r(n)){n=t(n)}if(r(i)){i=t(i)}if(is_promise(n)||is_promise(i)){return promise_all([n,i]).then(function(e){var t=_slicedToArray(e,2),r=t[0],n=t[1];return new Pair(r,n)})}else{return new Pair(n,i)}}return e}function a(e,t){if(e instanceof Pair){if(t!==_nil){e.append(t)}}else{e=new Pair(e,t)}return e}function r(e){return!!e.filter(function(e){return e instanceof Pair&&LSymbol.is(e.car,/^(unquote|unquote-splicing)$/)}).length}function p(e,n,i){return e.reduce(function(e,t){if(!(t instanceof Pair)){e.push(t);return e}if(LSymbol.is(t.car,"unquote-splicing")){var r;if(n+1<i){r=f(t.cdr,n+1,i)}else{r=_evaluate(t.cdr.car,{env:c,use_dynamic:u,dynamic_env:l,error:s})}if(!(r instanceof Pair)){throw new Error("Expecting list ".concat(type(t)," found"))}return e.concat(r.to_array())}e.push(f(t,n,i));return e},[])}function h(n,i,a){var o={};i++;Object.keys(n).forEach(function(e){var t=n[e];if(t instanceof Pair){if(LSymbol.is(t.car,"unquote-splicing")){throw new Error("You can't call `unquote-splicing` "+"inside object")}var r;if(i<a){r=f(t.cdr.car,i,a)}else{r=_evaluate(t.cdr.car,{env:c,dynamic_env:l,use_dynamic:u,error:s})}o[e]=r}else{o[e]=t}});if(Object.isFrozen(n)){Object.freeze(o)}return o}function d(i,e,t){if(e<t){return new Pair(new Pair(i.car.car,f(i.car.cdr,e,t)),_nil)}var n=[];return function e(t){var r=_evaluate(t.car,{env:c,dynamic_env:l,use_dynamic:u,error:s});n.push(r);if(t.cdr instanceof Pair){return e(t.cdr)}return unpromise(n,function(r){if(r.some(function(e){return!(e instanceof Pair)})){if(i.cdr instanceof Pair&&LSymbol.is(i.cdr.car,".")&&i.cdr.cdr instanceof Pair&&i.cdr.cdr.cdr===_nil){return i.cdr.cdr.car}if(!(i.cdr===_nil||i.cdr instanceof Pair)){var e="You can't splice atom inside list";throw new Error(e)}if(r.length>1){var t="You can't splice multiple atoms inside list";throw new Error(t)}if(!(i.cdr instanceof Pair&&r[0]===_nil)){return r[0]}}r=r.map(function(e){if(m.has(e)){return e.clone()}else{m.add(e);return e}});var n=f(i.cdr,0,1);if(n===_nil&&r[0]===_nil){return undefined}return unpromise(n,function(e){if(r[0]===_nil){return e}if(r.length===1){return a(r[0],e)}var t=r.reduce(function(e,t){return a(e,t)});return a(t,e)})})}(i.car.cdr)}var m=new Set;function f(e,t,r){if(e instanceof Pair){if(e.car instanceof Pair){if(LSymbol.is(e.car.car,"unquote-splicing")){return d(e,t+1,r)}if(LSymbol.is(e.car.car,"unquote")){if(t+2===r&&e.car.cdr instanceof Pair&&e.car.cdr.car instanceof Pair&&LSymbol.is(e.car.cdr.car.car,"unquote-splicing")){var n=e.car.cdr;return new Pair(new Pair(new LSymbol("unquote"),d(n,t+2,r)),_nil)}else if(e.car.cdr instanceof Pair&&e.car.cdr.cdr!==_nil){if(e.car.cdr.car instanceof Pair){var i=[];return function t(r){if(r===_nil){return Pair.fromArray(i)}return unpromise(_evaluate(r.car,{env:c,dynamic_env:l,use_dynamic:u,error:s}),function(e){i.push(e);return t(r.cdr)})}(e.car.cdr)}else{return e.car.cdr}}}}if(LSymbol.is(e.car,"quasiquote")){var a=f(e.cdr,t,r+1);return new Pair(e.car,a)}if(LSymbol.is(e.car,"quote")){return new Pair(e.car,f(e.cdr,t,r))}if(LSymbol.is(e.car,"unquote")){t++;if(t<r){return new Pair(new LSymbol("unquote"),f(e.cdr,t,r))}if(t>r){throw new Error("You can't call `unquote` outside "+"of quasiquote")}if(e.cdr instanceof Pair){if(e.cdr.cdr!==_nil){if(e.cdr.car instanceof Pair){var o=[];return function t(r){if(r===_nil){return Pair.fromArray(o)}return unpromise(_evaluate(r.car,{env:c,dynamic_env:l,use_dynamic:u,error:s}),function(e){o.push(e);return t(r.cdr)})}(e.cdr)}else{return e.cdr}}else{return _evaluate(e.cdr.car,{env:c,dynamic_env:l,error:s})}}else{return e.cdr}}return _(e,function(e){return f(e,t,r)})}else if(is_plain_object(e)){return h(e,t,r)}else if(e instanceof Array){return p(e,t,r)}return e}function n(e){if(e instanceof Pair){delete e[__data__];if(!e.haveCycles("car")){n(e.car)}if(!e.haveCycles("cdr")){n(e.cdr)}}}if(is_plain_object(e.car)&&!r(Object.values(e.car))){return quote(e.car)}if(Array.isArray(e.car)&&!r(e.car)){return quote(e.car)}if(e.car instanceof Pair&&!e.car.find("unquote")&&!e.car.find("unquote-splicing")&&!e.car.find("quasiquote")){return quote(e.car)}var i=f(e.car,0,1);return unpromise(i,function(e){n(e);return quote(e)})},"(quasiquote list)\n\n        Similar macro to `quote` but inside it you can use special expressions (unquote\n        x) abbreviated to ,x that will evaluate x and insert its value verbatim or\n        (unquote-splicing x) abbreviated to ,@x that will evaluate x and splice the value\n        into the result. Best used with macros but it can be used outside."),clone:doc("clone",function e(t){typecheck("clone",t,"pair");return t.clone()},"(clone list)\n\n        Function that returns a clone of the list, that does not share any pairs with the\n        original, so the clone can be safely mutated without affecting the original."),append:doc("append",function e(){var t;for(var r=arguments.length,n=new Array(r),i=0;i<r;i++){n[i]=arguments[i]}n=n.map(function(e){if(e instanceof Pair){return e.clone()}return e});return(t=global_env.get("append!")).call.apply(t,[this].concat(_toConsumableArray(n)))},"(append item ...)\n\n        Function that creates a new list with each argument appended end-to-end.\n        It will always return a new list and not modify its arguments."),"append!":doc("append!",function(){var r=global_env.get("list?");for(var e=arguments.length,t=new Array(e),n=0;n<e;n++){t[n]=arguments[n]}return t.reduce(function(e,t){typecheck("append!",e,["nil","pair"]);if((t instanceof Pair||t===_nil)&&!r(t)){throw new Error("append!: Invalid argument, value is not a list")}if(is_null(t)){return e}if(e===_nil){if(t===_nil){return _nil}return t}return e.append(t)},_nil)},"(append! arg1 ...)\n\n        Destructive version of append, it can modify the lists in place. It returns\n        a new list where each argument is appended to the end. It may modify\n        lists added as arguments."),reverse:doc("reverse",function e(t){typecheck("reverse",t,["array","pair","nil"]);if(t===_nil){return _nil}if(t instanceof Pair){var r=global_env.get("list->array")(t).reverse();return global_env.get("array->list")(r)}else if(Array.isArray(t)){return t.reverse()}else{throw new Error(typeErrorMessage("reverse",type(t),"array or pair"))}},"(reverse list)\n\n        Function that reverses the list or array. If value is not a list\n        or array it will error."),nth:doc("nth",function e(t,r){typecheck("nth",t,"number");typecheck("nth",r,["array","pair"]);if(r instanceof Pair){var n=r;var i=0;while(i<t){if(!n.cdr||n.cdr===_nil||n.haveCycles("cdr")){return _nil}n=n.cdr;i++}return n.car}else if(r instanceof Array){return r[t]}else{throw new Error(typeErrorMessage("nth",type(r),"array or pair",2))}},"(nth index obj)\n\n        Function that returns the nth element of the list or array.\n        If used with a non-indexable value it will error."),list:doc("list",function e(){for(var t=arguments.length,r=new Array(t),n=0;n<t;n++){r[n]=arguments[n]}return r.reverse().reduce(function(e,t){return new Pair(t,e)},_nil)},"(list . args)\n\n        Function that creates a new list out of its arguments."),substring:doc("substring",function e(t,r,n){typecheck("substring",t,"string");typecheck("substring",r,"number");typecheck("substring",n,["number","undefined"]);return t.substring(r.valueOf(),n&&n.valueOf())},"(substring string start end)\n\n        Function that returns the slice of the string starting at start and ending\n        with end."),concat:doc("concat",function e(){for(var t=arguments.length,r=new Array(t),n=0;n<t;n++){r[n]=arguments[n]}r.forEach(function(e,t){return typecheck("concat",e,"string",t+1)});return r.join("")},"(concat . strings)\n\n        Function that creates a new string by joining its arguments."),join:doc("join",function e(t,r){typecheck("join",t,"string");typecheck("join",r,["pair","nil"]);return global_env.get("list->array")(r).join(t)},"(join separator list)\n\n        Function that returns a string by joining elements of the list using separator."),split:doc("split",function e(t,r){typecheck("split",t,["regex","string"]);typecheck("split",r,"string");return global_env.get("array->list")(r.split(t))},"(split separator string)\n\n        Function that creates a list by splitting string by separator which can\n        be a string or regular expression."),replace:doc("replace",function e(t,r,n){typecheck("replace",t,["regex","string"]);typecheck("replace",r,["string","function"]);typecheck("replace",n,"string");return n.replace(t,r)},"(replace pattern replacement string)\n\n        Function that changes pattern to replacement inside string. Pattern can be a\n        string or regex and replacement can be function or string. See Javascript\n        String.replace()."),match:doc("match",function e(t,r){typecheck("match",t,["regex","string"]);typecheck("match",r,"string");var n=r.match(t);return n?global_env.get("array->list")(n):false},"(match pattern string)\n\n        Function that returns a match object from JavaScript as a list or #f if\n        no match."),search:doc("search",function e(t,r){typecheck("search",t,["regex","string"]);typecheck("search",r,"string");return r.search(t)},"(search pattern string)\n\n        Function that returns the first found index of the pattern inside a string."),repr:doc("repr",function e(t,r){return toString(t,r)},"(repr obj)\n\n        Function that returns a LIPS code representation of the object as a string."),"escape-regex":doc("escape-regex",function(e){typecheck("escape-regex",e,"string");return escape_regex(e.valueOf())},"(escape-regex string)\n\n        Function that returns a new string where all special operators used in regex,\n        are escaped with backslashes so they can be used in the RegExp constructor\n        to match a literal string."),env:doc("env",function e(e){e=e||this.env;var t=Object.keys(e.__env__).map(LSymbol);var r;if(t.length){r=Pair.fromArray(t)}else{r=_nil}if(e.__parent__ instanceof Environment){return global_env.get("env").call(this,e.__parent__).append(r)}return r},"(env)\n        (env obj)\n\n        Function that returns a list of names (functions, macros and variables)\n        that are bound in the current environment or one of its parents."),new:doc("new",function(e){for(var t=arguments.length,r=new Array(t>1?t-1:0),n=1;n<t;n++){r[n-1]=arguments[n]}var i=_construct(unbind(e),_toConsumableArray(r.map(function(e){return unbox(e)})));return i},"(new obj . args)\n\n        Function that creates new JavaScript instance of an object."),typecheck:doc(typecheck,"(typecheck label value type [position])\n\n         Checks the type of value and errors if the type is not one allowed.  Type can be\n         string or list of strings. The position optional argument is used to create a\n         proper error message for the nth argument of function calls."),"unset-special!":doc("unset-special!",function(e){typecheck("remove-special!",e,"string");delete specials.remove(e.valueOf())},"(unset-special! name)\n\n        Function that removes a special symbol from parser added by `set-special!`,\n        name must be a string."),"set-special!":doc("set-special!",function(e,t){var r=arguments.length>2&&arguments[2]!==undefined?arguments[2]:specials.LITERAL;typecheck("set-special!",e,"string",1);typecheck("set-special!",t,"symbol",2);specials.append(e.valueOf(),t,r)},'(set-special! symbol name [type])\n\n        Add a special symbol to the list of transforming operators by the parser.\n        e.g.: `(add-special! "#" \'x)` will allow to use `#(1 2 3)` and it will be\n        transformed into (x (1 2 3)) so you can write x macro that will process\n        the list. 3rd argument is optional, and it can be one of two values:\n        lips.specials.LITERAL, which is the default behavior, or\n        lips.specials.SPLICE which causes the value to be unpacked into the expression.\n        This can be used for e.g. to make `#(1 2 3)` into (x 1 2 3) that is needed\n        by # that defines vectors.'),get:get,".":get,unbind:doc(unbind,"(unbind fn)\n\n         Function that removes the weak 'this' binding from a function so you\n         can get properties from the actual function object."),type:doc(type,"(type object)\n\n         Function that returns the type of an object as string."),debugger:doc("debugger",function(){debugger},'(debugger)\n\n        Function that triggers the JavaScript debugger (e.g. the browser devtools)\n        using the "debugger;" statement. If a debugger is not running this\n        function does nothing.'),in:doc("in",function(e,t){if(e instanceof LSymbol||e instanceof LString||e instanceof LNumber){e=e.valueOf()}return e in unbox(t)},'(in key value)\n\n        Function that uses the Javascript "in" operator to check if key is\n        a valid property in the value.'),instanceof:doc("instanceof",function(e,t){return t instanceof unbind(e)},"(instanceof type obj)\n\n        Predicate that tests if the obj is an instance of type."),"prototype?":doc("prototype?",is_prototype,"(prototype? obj)\n\n         Predicate that tests if value is a valid JavaScript prototype,\n         i.e. calling (new) with it will not throw '<x> is not a constructor'."),"macro?":doc("macro?",function(e){return e instanceof Macro},"(macro? expression)\n\n        Predicate that tests if value is a macro."),"function?":doc("function?",is_function,"(function? expression)\n\n         Predicate that tests if value is a callable function."),"real?":doc("real?",function(e){if(type(e)!=="number"){return false}if(e instanceof LNumber){return e.isFloat()}return LNumber.isFloat(e)},"(real? number)\n\n        Predicate that tests if value is a real number (not complex)."),"number?":doc("number?",function(e){return Number.isNaN(e)||LNumber.isNumber(e)},"(number? expression)\n\n        Predicate that tests if value is a number or NaN value."),"string?":doc("string?",function(e){return LString.isString(e)},"(string? expression)\n\n        Predicate that tests if value is a string."),"pair?":doc("pair?",function(e){return e instanceof Pair},"(pair? expression)\n\n        Predicate that tests if value is a pair or list structure."),"regex?":doc("regex?",function(e){return e instanceof RegExp},"(regex? expression)\n\n        Predicate that tests if value is a regular expression."),"null?":doc("null?",function(e){return is_null(e)},"(null? expression)\n\n        Predicate that tests if value is null-ish (i.e. undefined, nil, or\n        Javascript null)."),"boolean?":doc("boolean?",function(e){return typeof e==="boolean"},"(boolean? expression)\n\n        Predicate that tests if value is a boolean (#t or #f)."),"symbol?":doc("symbol?",function(e){return e instanceof LSymbol},"(symbol? expression)\n\n        Predicate that tests if value is a LIPS symbol."),"array?":doc("array?",function(e){return e instanceof Array},"(array? expression)\n\n        Predicate that tests if value is an array."),"object?":doc("object?",function(e){return e!==_nil&&e!==null&&!(e instanceof LCharacter)&&!(e instanceof RegExp)&&!(e instanceof LString)&&!(e instanceof Pair)&&!(e instanceof LNumber)&&_typeof(e)==="object"&&!(e instanceof Array)},"(object? expression)\n\n        Predicate that tests if value is an plain object (not another LIPS type)."),flatten:doc("flatten",function e(t){typecheck("flatten",t,"pair");return t.flatten()},"(flatten list)\n\n        Returns a shallow list from tree structure (pairs)."),"array->list":doc("array->list",function(e){typecheck("array->list",e,"array");return Pair.fromArray(e)},"(array->list array)\n\n        Function that converts a JavaScript array to a LIPS cons list."),"tree->array":doc("tree->array",to_array("tree->array",true),"(tree->array list)\n\n         Function that converts a LIPS cons tree structure into a JavaScript array."),"list->array":doc("list->array",to_array("list->array"),"(list->array list)\n\n         Function that converts a LIPS list into a JavaScript array."),apply:doc("apply",function e(t){for(var r=arguments.length,n=new Array(r>1?r-1:0),i=1;i<r;i++){n[i-1]=arguments[i]}typecheck("apply",t,"function",1);var a=n.pop();typecheck("apply",a,["pair","nil"],n.length+2);n=n.concat(global_env.get("list->array").call(this,a));return t.apply(this,prepare_fn_args(t,n))},"(apply fn list)\n\n        Function that calls fn with the list of arguments."),length:doc("length",function e(t){if(!t||t===_nil){return 0}if(t instanceof Pair){return t.length()}if("length"in t){return t.length}},'(length expression)\n\n        Function that returns the length of the object. The object can be a LIPS\n        list or any object that has a "length" property. Returns undefined if the\n        length could not be found.'),"string->number":doc("string->number",function(e){var t=arguments.length>1&&arguments[1]!==undefined?arguments[1]:10;typecheck("string->number",e,"string",1);typecheck("string->number",t,"number",2);e=e.valueOf();t=t.valueOf();if(e.match(rational_bare_re)||e.match(rational_re)){return parse_rational(e,t)}else if(e.match(complex_bare_re)||e.match(complex_re)){return parse_complex(e,t)}else{var r=t===10&&!e.match(/e/i)||t===16;if(e.match(int_bare_re)&&r||e.match(int_re)){return parse_integer(e,t)}if(e.match(float_re)){return parse_float(e)}}return false},"(string->number number [radix])\n\n        Function that parses a string into a number."),try:doc(new Macro("try",function(t,e){var c=this;var r=e.use_dynamic,l=e.error;return new Promise(function(n,i){var a,o;if(LSymbol.is(t.cdr.car.car,"catch")){a=t.cdr.car;if(t.cdr.cdr instanceof Pair&&LSymbol.is(t.cdr.cdr.car.car,"finally")){o=t.cdr.cdr.car}}else if(LSymbol.is(t.cdr.car.car,"finally")){o=t.cdr.car}if(!(o||a)){throw new Error("try: invalid syntax")}var u=n;if(o){u=function e(t,r){u=i;unpromise(_evaluate(new Pair(new LSymbol("begin"),o.cdr),s),function(){r(t)})}}var s={env:c,use_dynamic:r,dynamic_env:c,error:function(t){function e(e){return t.apply(this,arguments)}e.toString=function(){return t.toString()};return e}(function(e){var t=c.inherit("try");if(a){t.set(a.cdr.car.car,e);var r={env:t,error:l};r.dynamic_env=c;unpromise(_evaluate(new Pair(new LSymbol("begin"),a.cdr.cdr),r),function(e){u(e,n)})}else{u(e,l)}})};var e=_evaluate(t.car,s);if(is_promise(e)){e.then(function(e){u(e,n)})["catch"](s.error)}else{u(e,n)}})}),"(try expr (catch (e) code))\n         (try expr (catch (e) code) (finally code))\n         (try expr (finally code))\n\n         Macro that executes expr and catches any exceptions thrown. If catch is provided\n         it's executed when an error is thrown. If finally is provided it's always\n         executed at the end."),raise:doc("raise",function(e){throw e},"(raise obj)\n\n        Throws the object verbatim (no wrapping an a new Error)."),throw:doc("throw",function(e){throw new Error(e)},"(throw string)\n\n        Throws a new exception."),find:doc("find",function t(r,n){typecheck("find",r,["regex","function"]);typecheck("find",n,["pair","nil"]);if(is_null(n)){return _nil}var e=matcher("find",r);return unpromise(e(n.car),function(e){if(e&&e!==_nil){return n.car}return t(r,n.cdr)})},"(find fn list)\n        (find regex list)\n\n        Higher-order function that finds the first value for which fn return true.\n        If called with a regex it will create a matcher function."),"for-each":doc("for-each",function(e){var t;typecheck("for-each",e,"function");for(var r=arguments.length,n=new Array(r>1?r-1:0),i=1;i<r;i++){n[i-1]=arguments[i]}n.forEach(function(e,t){typecheck("for-each",e,["pair","nil"],t+1)});var a=(t=global_env.get("map")).call.apply(t,[this,e].concat(n));if(is_promise(a)){return a.then(function(){})}},"(for-each fn . lists)\n\n        Higher-order function that calls function `fn` on each\n        value of the argument. If you provide more than one list\n        it will take each value from each list and call `fn` function\n        with that many arguments as number of list arguments."),map:doc("map",function e(r){var n=this;for(var t=arguments.length,i=new Array(t>1?t-1:0),a=1;a<t;a++){i[a-1]=arguments[a]}typecheck("map",r,"function");var o=global_env.get("list?");i.forEach(function(e,t){typecheck("map",e,["pair","nil"],t+1);if(e instanceof Pair&&!o.call(n,e)){throw new Error("map: argument ".concat(t+1," is not a list"))}});if(i.length===0){return _nil}if(i.some(function(e){return e===_nil})){return _nil}var u=i.map(function(e){return e.car});var s=this.env,c=this.dynamic_env,l=this.use_dynamic;var f=call_function(r,u,{env:s,dynamic_env:c,use_dynamic:l});return unpromise(f,function(t){return unpromise(e.call.apply(e,[n,r].concat(_toConsumableArray(i.map(function(e){return e.cdr})))),function(e){return new Pair(t,e)})})},"(map fn . lists)\n\n        Higher-order function that calls function `fn` with each\n        value of the list. If you provide more then one list as argument\n        it will take each value from each list and call `fn` function\n        with that many argument as number of list arguments. The return\n        values of the fn calls are accumulated in a result list and\n        returned by map."),"list?":doc("list?",function(e){var t=e;while(true){if(t===_nil){return true}if(!(t instanceof Pair)){return false}if(t.haveCycles("cdr")){return false}t=t.cdr}},'(list? obj)\n\n        Predicate that tests if value is a proper linked list structure.\n        The car of each pair can be any value. It returns false on cyclic lists."'),some:doc("some",function t(r,n){typecheck("some",r,"function");typecheck("some",n,["pair","nil"]);if(is_null(n)){return false}else{return unpromise(r(n.car),function(e){return e||t(r,n.cdr)})}},"(some fn list)\n\n        Higher-order function that calls fn on each element of the list.\n        It stops and returns true when fn returns true for a value.\n        If none of the values give true, some will return false.\n        Analogous to Python any(map(fn, list))."),fold:doc("fold",fold("fold",function(e,t,r){for(var n=arguments.length,i=new Array(n>3?n-3:0),a=3;a<n;a++){i[a-3]=arguments[a]}typecheck("fold",t,"function");i.forEach(function(e,t){typecheck("fold",e,["pair","nil"],t+1)});if(i.some(function(e){return e===_nil})){return r}var o=e.call.apply(e,[this,t,r].concat(_toConsumableArray(i.map(function(e){return e.cdr}))));return unpromise(o,function(e){return t.apply(void 0,_toConsumableArray(i.map(function(e){return e.car})).concat([e]))})}),"(fold fn init . lists)\n\n         Function fold is left-to-right reversal of reduce. It call `fn`\n         on each pair of elements of the list and returns a single value.\n         e.g. it computes (fn 'a 'x (fn 'b 'y (fn 'c 'z 'foo)))\n         for: (fold fn 'foo '(a b c) '(x y z))"),pluck:doc("pluck",function e(){for(var t=arguments.length,a=new Array(t),r=0;r<t;r++){a[r]=arguments[r]}return function(t){a=a.map(function(e){return e instanceof LSymbol?e.__name__:e});if(a.length===0){return _nil}else if(a.length===1){var e=a,r=_slicedToArray(e,1),n=r[0];return t[n]}var i={};a.forEach(function(e){i[e]=t[e]});return i}},"(pluck . strings)\n\n        If called with a single string it will return a function that when\n        called with an object will return that key from the object.\n        If called with more then one string the returned function will\n        create a new object by copying all properties from the given object."),reduce:doc("reduce",fold("reduce",function(t,r,e){var n=this;for(var i=arguments.length,a=new Array(i>3?i-3:0),o=3;o<i;o++){a[o-3]=arguments[o]}typecheck("reduce",r,"function");a.forEach(function(e,t){typecheck("reduce",e,["pair","nil"],t+1)});if(a.some(function(e){return e===_nil})){return e}return unpromise(r.apply(void 0,_toConsumableArray(a.map(function(e){return e.car})).concat([e])),function(e){return t.call.apply(t,[n,r,e].concat(_toConsumableArray(a.map(function(e){return e.cdr}))))})}),"(reduce fn init list . lists)\n\n         Higher-order function that takes each element of the list and calls\n         the fn with result of previous call or init and the next element\n         of the list until each element is processed, and returns a single value\n         as result of last call to `fn` function.\n         e.g. it computes (fn 'c 'z (fn 'b 'y (fn 'a 'x 'foo)))\n         for: (reduce fn 'foo '(a b c) '(x y z))"),filter:doc("filter",function e(t,r){typecheck("filter",t,["regex","function"]);typecheck("filter",r,["pair","nil"]);var i=global_env.get("list->array")(r);var a=[];var o=matcher("filter",t);return function t(r){function e(e){if(e&&e!==_nil){a.push(n)}return t(++r)}if(r===i.length){return Pair.fromArray(a)}var n=i[r];return unpromise(o(n),e)}(0)},"(filter fn list)\n        (filter regex list)\n\n        Higher-order function that calls `fn` for each element of the list\n        and return a new list for only those elements for which fn returns\n        a truthy value. If called with a regex it will create a matcher function."),compose:doc(compose,"(compose . fns)\n\n         Higher-order function that creates a new function that applies all functions\n         from right to left and returns the last value. Reverse of pipe.\n         e.g.:\n         ((compose (curry + 2) (curry * 3)) 10) --\x3e (+ 2 (* 3 10)) --\x3e 32"),pipe:doc(pipe,"(pipe . fns)\n\n         Higher-order function that creates a new function that applies all functions\n         from left to right and returns the last value. Reverse of compose.\n         e.g.:\n         ((pipe (curry + 2) (curry * 3)) 10) --\x3e (* 3 (+ 2 10)) --\x3e 36"),curry:doc(curry,"(curry fn . args)\n\n         Higher-order function that creates a curried version of the function.\n         The result function will have partially applied arguments and it\n         will keep returning one-argument functions until all arguments are provided,\n         then it calls the original function with the accumulated arguments.\n\n         e.g.:\n         (define (add a b c d) (+ a b c d))\n         (define add1 (curry add 1))\n         (define add12 (add 2))\n         (display (add12 3 4))"),gcd:doc("gcd",function e(){for(var t=arguments.length,r=new Array(t),n=0;n<t;n++){r[n]=arguments[n]}typecheck_args("lcm",r,"number");return r.reduce(function(e,t){return e.gcd(t)})},"(gcd n1 n2 ...)\n\n        Function that returns the greatest common divisor of the arguments."),lcm:doc("lcm",function e(){for(var t=arguments.length,r=new Array(t),n=0;n<t;n++){r[n]=arguments[n]}typecheck_args("lcm",r,"number");var i=r.length,a=abs(r[0]);for(var o=1;o<i;o++){var u=abs(r[o]),s=a;while(a&&u){a>u?a%=u:u%=a}a=abs(s*r[o])/(a+u)}return LNumber(a)},"(lcm n1 n2 ...)\n\n        Function that returns the least common multiple of the arguments."),"odd?":doc("odd?",single_math_op(function(e){return LNumber(e).isOdd()}),"(odd? number)\n\n         Checks if number is odd."),"even?":doc("even?",single_math_op(function(e){return LNumber(e).isEven()}),"(even? number)\n\n         Checks if number is even."),"*":doc("*",reduce_math_op(function(e,t){return LNumber(e).mul(t)},LNumber(1)),"(* . numbers)\n\n        Multiplies all numbers passed as arguments. If single value is passed\n        it will return that value."),"+":doc("+",reduce_math_op(function(e,t){return LNumber(e).add(t)},LNumber(0)),"(+ . numbers)\n\n        Sums all numbers passed as arguments. If single value is passed it will\n        return that value."),"-":doc("-",function(){for(var e=arguments.length,t=new Array(e),r=0;r<e;r++){t[r]=arguments[r]}if(t.length===0){throw new Error("-: procedure require at least one argument")}typecheck_args("-",t,"number");if(t.length===1){return LNumber(t[0]).sub()}if(t.length){return t.reduce(binary_math_op(function(e,t){return LNumber(e).sub(t)}))}},"(- n1 n2 ...)\n        (- n)\n\n        Subtracts n2 and subsequent numbers from n1. If only one argument is passed\n        it will negate the value."),"/":doc("/",function(){for(var e=arguments.length,t=new Array(e),r=0;r<e;r++){t[r]=arguments[r]}if(t.length===0){throw new Error("/: procedure require at least one argument")}typecheck_args("/",t,"number");if(t.length===1){return LNumber(1).div(t[0])}return t.reduce(binary_math_op(function(e,t){return LNumber(e).div(t)}))},"(/ n1 n2 ...)\n        (/ n)\n\n        Divides n1 by n2 and subsequent arguments one by one. If single argument\n        is passed it will calculate (/ 1 n)."),abs:doc("abs",single_math_op(function(e){return LNumber(e).abs()}),"(abs number)\n\n         Function that returns the absolute value (magnitude) of number."),truncate:doc("truncate",function(e){typecheck("truncate",e,"number");if(LNumber.isFloat(e)){if(e instanceof LNumber){e=e.valueOf()}return LFloat(truncate(e))}return e},"(truncate n)\n\n        Function that returns the integer part (floor) of a real number."),sqrt:doc("sqrt",single_math_op(function(e){return LNumber(e).sqrt()}),"(sqrt number)\n\n         Function that returns the square root of the number."),"**":doc("**",binary_math_op(function(e,t){e=LNumber(e);t=LNumber(t);if(t.cmp(0)===-1){return LFloat(1).div(e).pow(t.sub())}return e.pow(t)}),"(** a b)\n\n         Function that calculates number a to to the power of b."),"1+":doc("1+",single_math_op(function(e){return LNumber(e).add(1)}),"(1+ number)\n\n         Function that adds 1 to the number and return result."),"1-":doc(single_math_op(function(e){return LNumber(e).sub(1)}),"(1- number)\n\n         Function that subtracts 1 from the number and return result."),"%":doc("%",function(e,t){typecheck_args("%",[e,t],"number");return LNumber(e).rem(t)},"(% n1 n2)\n\n        Function returns the remainder of n1/n2 (modulo)."),"==":doc("==",function(){for(var e=arguments.length,t=new Array(e),r=0;r<e;r++){t[r]=arguments[r]}typecheck_args("==",t,"number");return seq_compare(function(e,t){return LNumber(e).cmp(t)===0},t)},"(== x1 x2 ...)\n\n        Function that compares its numerical arguments and checks if they are\n        all equal."),">":doc(">",function(){for(var e=arguments.length,t=new Array(e),r=0;r<e;r++){t[r]=arguments[r]}typecheck_args(">",t,"number");return seq_compare(function(e,t){return LNumber(e).cmp(t)===1},t)},"(> x1 x2 x3 ...)\n\n        Function that compares its numerical arguments and checks if they are\n        monotonically decreasing, i.e. x1 > x2 and x2 > x3 and so on."),"<":doc("<",function(){for(var e=arguments.length,t=new Array(e),r=0;r<e;r++){t[r]=arguments[r]}typecheck_args("<",t,"number");return seq_compare(function(e,t){return LNumber(e).cmp(t)===-1},t)},"(< x1 x2 ...)\n\n        Function that compares its numerical arguments and checks if they are\n        monotonically increasing, i.e. x1 < x2 and x2 < x3 and so on."),"<=":doc("<=",function(){for(var e=arguments.length,t=new Array(e),r=0;r<e;r++){t[r]=arguments[r]}typecheck_args("<=",t,"number");return seq_compare(function(e,t){return[0,-1].includes(LNumber(e).cmp(t))},t)},"(<= x1 x2 ...)\n\n        Function that compares its numerical arguments and checks if they are\n        monotonically nondecreasing, i.e. x1 <= x2 and x2 <= x3 and so on."),">=":doc(">=",function(){for(var e=arguments.length,t=new Array(e),r=0;r<e;r++){t[r]=arguments[r]}typecheck_args(">=",t,"number");return seq_compare(function(e,t){return[0,1].includes(LNumber(e).cmp(t))},t)},"(>= x1 x2 ...)\n\n        Function that compares its numerical arguments and checks if they are\n        monotonically nonincreasing, i.e. x1 >= x2 and x2 >= x3 and so on."),"eq?":doc("eq?",equal,"(eq? a b)\n\n         Function that compares two values if they are identical."),or:doc(new Macro("or",function(e,t){var i=t.use_dynamic,a=t.error;var o=global_env.get("list->array")(e);var u=this;var s=u;if(!o.length){return false}var c;return function t(){function e(e){c=e;if(c!==false){return c}else{return t()}}if(!o.length){if(c!==false){return c}else{return false}}else{var r=o.shift();var n=_evaluate(r,{env:u,dynamic_env:s,use_dynamic:i,error:a});return unpromise(n,e)}}()}),"(or . expressions)\n\n         Macro that executes the values one by one and returns the first that is\n         a truthy value. If there are no expressions that evaluate to true it\n         returns false."),and:doc(new Macro("and",function(e){var t=arguments.length>1&&arguments[1]!==undefined?arguments[1]:{},r=t.use_dynamic,n=t.error;var i=global_env.get("list->array")(e);var a=this;var o=a;if(!i.length){return true}var u;var s={env:a,dynamic_env:o,use_dynamic:r,error:n};return function t(){function e(e){u=e;if(u===false){return false}else{return t()}}if(!i.length){if(u!==false){return u}else{return false}}else{var r=i.shift();return unpromise(_evaluate(r,s),e)}}()}),"(and . expressions)\n\n         Macro that evaluates each expression in sequence and if any value returns false\n         it will stop and return false. If each value returns true it will return the\n         last value. If it's called without arguments it will return true."),"|":doc("|",function(e,t){return LNumber(e).or(t)},"(| a b)\n\n        Function that calculates the bitwise or operation."),"&":doc("&",function(e,t){return LNumber(e).and(t)},"(& a b)\n\n        Function that calculates the bitwise and operation."),"~":doc("~",function(e){return LNumber(e).neg()},"(~ number)\n\n        Function that calculates the bitwise inverse (flip all the bits)."),">>":doc(">>",function(e,t){return LNumber(e).shr(t)},"(>> a b)\n\n        Function that right shifts the value a by value b bits."),"<<":doc("<<",function(e,t){return LNumber(e).shl(t)},"(<< a b)\n\n        Function that left shifts the value a by value b bits."),not:doc("not",function e(t){if(is_null(t)){return true}return!t},"(not object)\n\n        Function that returns the Boolean negation of its argument.")},undefined,"global");var user_env=global_env.inherit("user-env");function set_interaction_env(e,t){e.constant("**internal-env**",t);e.doc("**internal-env**","**internal-env**\n\n         Constant used to hide stdin, stdout and stderr so they don't interfere\n         with variables with the same name. Constants are an internal type\n         of variable that can't be redefined, defining a variable with the same name\n         will throw an error.");global_env.set("**interaction-environment**",e)}set_interaction_env(user_env,internal_env);global_env.doc("**interaction-environment**","**interaction-environment**\n\n    Internal dynamic, global variable used to find interpreter environment.\n    It's used so the read and write functions can locate **internal-env**\n    that contains the references to stdin, stdout and stderr.");(function(){var e={ceil:"ceiling"};["floor","round","ceil"].forEach(function(t){var r=e[t]?e[t]:t;global_env.set(r,doc(r,function(e){typecheck(r,e,"number");if(e instanceof LNumber){return e[t]()}},"(".concat(r," number)\n\n            Function that calculates the ").concat(r," of a number.")))})})();function allPossibleCases(e){if(e.length===1){return e[0]}else{var t=[];var r=allPossibleCases(e.slice(1));for(var n=0;n<r.length;n++){for(var 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e==="string"){r=tokenize(e)}else{r=e.map(function(e){return e&&e.token?e.token:e})}var n=Object.keys(t);var i=Object.values(t).concat(n);r=r.filter(function(e){return i.includes(e)});var a=new Stack;var o=_createForOfIteratorHelper(r),u;try{for(o.s();!(u=o.n()).done;){var s=u.value;if(n.includes(s)){a.push(s)}else if(!a.is_empty()){var l=a.top();var c=t[l];if(s===c){a.pop()}else{throw new Error("Syntax error: missing closing ".concat(c))}}else{throw new Error("Syntax error: not matched closing ".concat(s))}}}catch(e){o.e(e)}finally{o.f()}return a.is_empty()}function fworker(e){var t="("+e.toString()+")()";var r=window.URL||window.webkitURL;var n;try{n=new Blob([t],{type:"application/javascript"})}catch(e){var i=window.BlobBuilder||window.WebKitBlobBuilder||window.MozBlobBuilder;n=new i;n.append(t);n=n.getBlob()}return new root.Worker(r.createObjectURL(n))}function is_dev(){return lips.version.match(/^(\{\{VER\}\}|DEV)$/)}function get_current_script(){if(is_node()){return}var e;if(document.currentScript){e=document.currentScript}else{var t=document.querySelectorAll("script");if(!t.length){return}e=t[t.length-1]}var r=e.getAttribute("src");return r}var current_script=get_current_script();function bootstrap(){var e=arguments.length>0&&arguments[0]!==undefined?arguments[0]:"";var t="dist/std.xcb";if(e===""){if(current_script){e=current_script.replace(/[^/]*$/,"std.xcb")}else if(is_dev()){e="https://cdn.jsdelivr.net/gh/jcubic/lips@devel/".concat(t)}else{e="https://cdn.jsdelivr.net/npm/@jcubic/lips@".concat(lips.version,"/").concat(t)}}var r=global_env.get("load");return r.call(user_env,e,global_env)}function Worker(e){this.url=e;var o=this.worker=fworker(function(){var o;var u;self.addEventListener("message",function(e){var r=e.data;var t=r.id;if(r.type!=="RPC"||t===null){return}function n(e){self.postMessage({id:t,type:"RPC",result:e})}function i(e){self.postMessage({id:t,type:"RPC",error:e})}if(r.method==="eval"){if(!u){i("Worker RPC: LIPS not initialized, 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r=_slicedToArray(t,2),n=r[0],i=r[1];return Pair(n,i)},number:function e(t){if(LString.isString(t)){return LNumber([t,10])}return LNumber(t)},regex:function e(t){var r=_slicedToArray(t,2),n=r[0],i=r[1];return new RegExp(n,i)},nil:function e(){return _nil},symbol:function e(t){if(LString.isString(t)){return LSymbol(t)}else if(Array.isArray(t)){return LSymbol(Symbol["for"](t[0]))}},string:LString,character:LCharacter};var available_class=Object.keys(serialization_map);var class_map={};for(var _i6=0,_Object$entries3=Object.entries(available_class);_i6<_Object$entries3.length;_i6++){var _Object$entries3$_i=_slicedToArray(_Object$entries3[_i6],2),i=_Object$entries3$_i[0],cls=_Object$entries3$_i[1];class_map[cls]=+i}function mangle_name(e){return class_map[e]}function resolve_name(e){return available_class[e]}function serialize(e){return JSON.stringify(e,function(e,t){var r=this[e];if(r){if(r instanceof RegExp){return{"@":mangle_name("regex"),"#":[r.source,r.flags]}}var n=mangle_name(r.constructor.__class__);if(!is_undef(n)){return{"@":n,"#":r.serialize()}}}return t})}function unserialize(e){return JSON.parse(e,function(e,t){if(t&&_typeof(t)==="object"){if(!is_undef(t["@"])){var r=resolve_name(t["@"]);if(serialization_map[r]){return serialization_map[r](t["#"])}}}return t})}var cbor=function(){var e={pair:Pair,symbol:LSymbol,number:LNumber,string:LString,character:LCharacter,nil:_nil.constructor,regex:RegExp};function t(e,t){return{deserialize:t,Class:e}}var r=new Encoder;var a={};for(var n=0,i=Object.entries(serialization_map);n<i.length;n++){var o=_slicedToArray(i[n],2),u=o[0],s=o[1];var l=e[u];a[u]=t(l,s)}var c=43311;Object.keys(a).forEach(function(e){var t=a[e];if(typeof t==="function"){var r=t;addExtension({Class:r,tag:c,encode:function e(t,r){r(t.serialize())},decode:function e(t){return new r(t)}})}else{var n=t.deserialize,i=t.Class;addExtension({Class:i,tag:c,encode:function e(t,r){if(t instanceof RegExp){return r([t.source,t.flags])}r(t.serialize())},decode:function e(t){return n(t)}})}c++});return r}();function merge_uint8_array(){for(var e=arguments.length,t=new Array(e),r=0;r<e;r++){t[r]=arguments[r]}if(t.length>1){var n=t.reduce(function(e,t){return e+t.length},0);var i=new Uint8Array(n);var a=0;t.forEach(function(e){i.set(e,a);a+=e.length});return i}else if(t.length){return t[0]}}function encode_magic(){var e=1;var t=new TextEncoder("utf-8");return t.encode("LIPS".concat(e.toString().padStart(3," ")))}var MAGIC_LENGTH=7;function decode_magic(e){var t=new TextDecoder("utf-8");var r=t.decode(e.slice(0,MAGIC_LENGTH));var n=r.substring(0,4);if(n==="LIPS"){var i=r.match(/^(....).*([0-9]+)$/);if(i){return{type:i[1],version:Number(i[2])}}}return{type:"unknown"}}function serialize_bin(e){var t=encode_magic();var r=cbor.encode(e);return merge_uint8_array(t,pack_1(r,{magic:false}))}function unserialize_bin(e){var t=decode_magic(e),r=t.type,n=t.version;if(r==="LIPS"&&n===1){var i=unpack_1(e.slice(MAGIC_LENGTH),{magic:false});return cbor.decode(i)}else{throw new Error("Invalid file format ".concat(r))}}function execError(e){console.error(e.message||e);if(e.code){console.error(e.code.map(function(e,t){return"[".concat(t+1,"]: ").concat(e)}))}}function init(){var o=["text/x-lips","text/x-scheme"];var u;function s(r){return new Promise(function(t){var e=r.getAttribute("src");if(e){return fetch(e).then(function(e){return e.text()}).then(exec).then(t)["catch"](function(e){execError(e);t()})}else{return exec(r.innerHTML).then(t)["catch"](function(e){execError(e);t()})}})}function e(){return new Promise(function(i){var a=Array.from(document.querySelectorAll("script"));return function e(){var t=a.shift();if(!t){i()}else{var r=t.getAttribute("type");if(o.includes(r)){var n=t.getAttribute("bootstrap");if(!u&&typeof n==="string"){return bootstrap(n).then(function(){return s(t)}).then(e)}else{return s(t).then(e)}}else if(r&&r.match(/lips|lisp/)){console.warn("Expecting "+o.join(" or ")+" found "+r)}return e()}}()})}if(!window.document){return Promise.resolve()}else if(currentScript){var t=currentScript;var r=t.getAttribute("bootstrap");if(typeof r==="string"){return bootstrap(r).then(function(){u=true;return e()})}}return e()}var currentScript=typeof window!=="undefined"&&window.document&&document.currentScript;if(typeof window!=="undefined"){contentLoaded(window,init)}var banner=function(){var e=LString("Mon, 15 Jan 2024 14:57:03 +0000").valueOf();var t=e==="{{"+"DATE}}"?new Date:new Date(e);var r=function e(t){return t.toString().padStart(2,"0")};var n=t.getFullYear();var i=[n,r(t.getMonth()+1),r(t.getDate())].join("-");var a="\n  __ __                          __\n / / \\ \\       _    _  ___  ___  \\ \\\n| |   \\ \\     | |  | || . \\/ __>  | |\n| |    > \\    | |_ | ||  _/\\__ \\  | |\n| |   / ^ \\   |___||_||_|  <___/  | |\n \\_\\ /_/ \\_\\                     /_/\n\nLIPS Interpreter DEV (".concat(i,") <https://lips.js.org>\nCopyright (c) 2018-").concat(n," Jakub T. Jankiewicz\n\nType (env) to see environment with functions macros and variables. You can also\nuse (help name) to display help for specific function or macro, (apropos name)\nto display list of matched names in environment and (dir object) to list\nproperties of an object.\n").replace(/^.*\n/,"");return a}();read_only(Ahead,"__class__","ahead");read_only(Pair,"__class__","pair");read_only(Nil,"__class__","nil");read_only(Pattern,"__class__","pattern");read_only(Formatter,"__class__","formatter");read_only(Macro,"__class__","macro");read_only(Syntax,"__class__","syntax");read_only(Environment,"__class__","environment");read_only(InputPort,"__class__","input-port");read_only(OutputPort,"__class__","output-port");read_only(BufferedOutputPort,"__class__","output-port");read_only(OutputStringPort,"__class__","output-string-port");read_only(InputStringPort,"__class__","input-string-port");read_only(InputFilePort,"__class__","input-file-port");read_only(OutputFilePort,"__class__","output-file-port");read_only(LipsError,"__class__","lips-error");[LNumber,LComplex,LRational,LFloat,LBigInteger].forEach(function(e){read_only(e,"__class__","number")});read_only(LCharacter,"__class__","character");read_only(LSymbol,"__class__","symbol");read_only(LString,"__class__","string");read_only(QuotedPromise,"__class__","promise");read_only(Parameter,"__class__","parameter");var version="DEV";var date="Mon, 15 Jan 2024 14:57:03 +0000";var parse=compose(uniterate_async,_parse);var lips={version:version,banner:banner,date:date,exec:exec,parse:parse,tokenize:tokenize,evaluate:_evaluate,compile:compile,serialize:serialize,unserialize:unserialize,serialize_bin:serialize_bin,unserialize_bin:unserialize_bin,bootstrap:bootstrap,Environment:Environment,env:user_env,Worker:Worker,Interpreter:Interpreter,balanced_parenthesis:balanced,balancedParenthesis:balanced,balanced:balanced,Macro:Macro,Syntax:Syntax,Pair:Pair,Values:Values,QuotedPromise:QuotedPromise,Error:LipsError,quote:quote,InputPort:InputPort,OutputPort:OutputPort,BufferedOutputPort:BufferedOutputPort,InputFilePort:InputFilePort,OutputFilePort:OutputFilePort,InputStringPort:InputStringPort,OutputStringPort:OutputStringPort,InputByteVectorPort:InputByteVectorPort,OutputByteVectorPort:OutputByteVectorPort,InputBinaryFilePort:InputBinaryFilePort,OutputBinaryFilePort:OutputBinaryFilePort,Formatter:Formatter,Parser:Parser,Lexer:Lexer,specials:specials,repr:repr,nil:_nil,eof:eof,LSymbol:LSymbol,LNumber:LNumber,LFloat:LFloat,LComplex:LComplex,LRational:LRational,LBigInteger:LBigInteger,LCharacter:LCharacter,LString:LString,Parameter:Parameter,rationalize:rationalize};global_env.set("lips",lips);var empty={};var empty$1=Object.freeze({__proto__:null,default:empty});function normalizeArray(e,t){var r=0;for(var n=e.length-1;n>=0;n--){var i=e[n];if(i==="."){e.splice(n,1)}else if(i===".."){e.splice(n,1);r++}else if(r){e.splice(n,1);r--}}if(t){for(;r--;r){e.unshift("..")}}return e}var splitPathRe=/^(\/?|)([\s\S]*?)((?:\.{1,2}|[^\/]+?|)(\.[^.\/]*|))(?:[\/]*)$/;var splitPath=function(e){return splitPathRe.exec(e).slice(1)};function resolve(){var e="",t=false;for(var r=arguments.length-1;r>=-1&&!t;r--){var n=r>=0?arguments[r]:"/";if(typeof n!=="string"){throw new TypeError("Arguments to path.resolve must be strings")}else if(!n){continue}e=n+"/"+e;t=n.charAt(0)==="/"}e=normalizeArray(filter(e.split("/"),function(e){return!!e}),!t).join("/");return(t?"/":"")+e||"."}function normalize(e){var t=isAbsolute(e),r=substr(e,-1)==="/";e=normalizeArray(filter(e.split("/"),function(e){return!!e}),!t).join("/");if(!e&&!t){e="."}if(e&&r){e+="/"}return(t?"/":"")+e}function isAbsolute(e){return e.charAt(0)==="/"}function join(){var e=Array.prototype.slice.call(arguments,0);return normalize(filter(e,function(e,t){if(typeof e!=="string"){throw new TypeError("Arguments to path.join must be strings")}return e}).join("/"))}function relative(e,t){e=resolve(e).substr(1);t=resolve(t).substr(1);function r(e){var t=0;for(;t<e.length;t++){if(e[t]!=="")break}var r=e.length-1;for(;r>=0;r--){if(e[r]!=="")break}if(t>r)return[];return e.slice(t,r-t+1)}var n=r(e.split("/"));var i=r(t.split("/"));var a=Math.min(n.length,i.length);var o=a;for(var u=0;u<a;u++){if(n[u]!==i[u]){o=u;break}}var s=[];for(var u=o;u<n.length;u++){s.push("..")}s=s.concat(i.slice(o));return s.join("/")}var sep="/";var delimiter=":";function dirname(e){var t=splitPath(e),r=t[0],n=t[1];if(!r&&!n){return"."}if(n){n=n.substr(0,n.length-1)}return r+n}function basename(e,t){var r=splitPath(e)[2];if(t&&r.substr(-1*t.length)===t){r=r.substr(0,r.length-t.length)}return r}function extname(e){return splitPath(e)[3]}var path={extname:extname,basename:basename,dirname:dirname,sep:sep,delimiter:delimiter,relative:relative,join:join,isAbsolute:isAbsolute,normalize:normalize,resolve:resolve};function filter(e,t){if(e.filter)return e.filter(t);var r=[];for(var n=0;n<e.length;n++){if(t(e[n],n,e))r.push(e[n])}return r}var substr="ab".substr(-1)==="b"?function(e,t,r){return e.substr(t,r)}:function(e,t,r){if(t<0)t=e.length+t;return e.substr(t,r)};var path$1=Object.freeze({__proto__:null,resolve:resolve,normalize:normalize,isAbsolute:isAbsolute,join:join,relative:relative,sep:sep,delimiter:delimiter,dirname:dirname,basename:basename,extname:extname,default:path});export{BufferedOutputPort,Environment,LipsError as Error,Formatter,InputBinaryFilePort,InputByteVectorPort,InputFilePort,InputPort,InputStringPort,Interpreter,LBigInteger,LCharacter,LComplex,LFloat,LNumber,LRational,LString,LSymbol,Lexer,Macro,OutputBinaryFilePort,OutputByteVectorPort,OutputFilePort,OutputPort,OutputStringPort,Pair,Parameter,Parser,QuotedPromise,Syntax,Values,Worker,balanced,balanced as balancedParenthesis,balanced as balanced_parenthesis,banner,bootstrap,compile,date,user_env as env,eof,_evaluate as evaluate,exec,_nil as nil,parse,quote,rationalize,repr,serialize,serialize_bin,specials,tokenize,unserialize,unserialize_bin,version};
\ No newline at end of file
+ * build: Mon, 15 Jan 2024 15:20:04 +0000
+ */var _excluded=["token"],_excluded2=["env"],_excluded3=["stderr","stdin","stdout","command_line"],_excluded4=["use_dynamic"],_excluded5=["use_dynamic"],_excluded6=["env","dynamic_env","use_dynamic","error"];function _classPrivateFieldInitSpec(e,t,r){_checkPrivateRedeclaration(e,t);t.set(e,r)}function _checkPrivateRedeclaration(e,t){if(t.has(e)){throw new TypeError("Cannot initialize the same private elements twice on an object")}}function _createSuper(i){var a=_isNativeReflectConstruct();return function e(){var t=_getPrototypeOf(i),r;if(a){var n=_getPrototypeOf(this).constructor;r=Reflect.construct(t,arguments,n)}else{r=t.apply(this,arguments)}return _possibleConstructorReturn(this,r)}}function _isNativeReflectConstruct(){if(typeof Reflect==="undefined"||!Reflect.construct)return false;if(Reflect.construct.sham)return false;if(typeof Proxy==="function")return true;try{Boolean.prototype.valueOf.call(Reflect.construct(Boolean,[],function(){}));return true}catch(e){return false}}function _createForOfIteratorHelper(t,e){var r=typeof Symbol!=="undefined"&&t[Symbol.iterator]||t["@@iterator"];if(!r){if(Array.isArray(t)||(r=_unsupportedIterableToArray(t))||e&&t&&typeof t.length==="number"){if(r)t=r;var n=0;var i=function e(){};return{s:i,n:function e(){if(n>=t.length)return{done:true};return{done:false,value:t[n++]}},e:function e(t){throw t},f:i}}throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.")}var a=true,o=false,u;return{s:function e(){r=r.call(t)},n:function e(){var t=r.next();a=t.done;return t},e:function e(t){o=true;u=t},f:function e(){try{if(!a&&r["return"]!=null)r["return"]()}finally{if(o)throw u}}}}function _unsupportedIterableToArray(e,t){if(!e)return;if(typeof e==="string")return _arrayLikeToArray(e,t);var r=Object.prototype.toString.call(e).slice(8,-1);if(r==="Object"&&e.constructor)r=e.constructor.name;if(r==="Map"||r==="Set")return Array.from(e);if(r==="Arguments"||/^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(r))return _arrayLikeToArray(e,t)}function _arrayLikeToArray(e,t){if(t==null||t>e.length)t=e.length;for(var r=0,n=new Array(t);r<t;r++){n[r]=e[r]}return n}function ownKeys(t,e){var r=Object.keys(t);if(Object.getOwnPropertySymbols){var n=Object.getOwnPropertySymbols(t);e&&(n=n.filter(function(e){return Object.getOwnPropertyDescriptor(t,e).enumerable})),r.push.apply(r,n)}return r}function _objectSpread(t){for(var e=1;e<arguments.length;e++){var r=null!=arguments[e]?arguments[e]:{};e%2?ownKeys(Object(r),!0).forEach(function(e){_defineProperty(t,e,r[e])}):Object.getOwnPropertyDescriptors?Object.defineProperties(t,Object.getOwnPropertyDescriptors(r)):ownKeys(Object(r)).forEach(function(e){Object.defineProperty(t,e,Object.getOwnPropertyDescriptor(r,e))})}return t}function _asyncIterator(e){var t,r,n,i=2;for("undefined"!=typeof Symbol&&(r=Symbol.asyncIterator,n=Symbol.iterator);i--;){if(r&&null!=(t=e[r]))return t.call(e);if(n&&null!=(t=e[n]))return new AsyncFromSyncIterator(t.call(e));r="@@asyncIterator",n="@@iterator"}throw new TypeError("Object is not async iterable")}function AsyncFromSyncIterator(e){function n(e){if(Object(e)!==e)return Promise.reject(new TypeError(e+" is not an object."));var t=e.done;return Promise.resolve(e.value).then(function(e){return{value:e,done:t}})}return AsyncFromSyncIterator=function e(t){this.s=t,this.n=t.next},AsyncFromSyncIterator.prototype={s:null,n:null,next:function e(){return n(this.n.apply(this.s,arguments))},return:function e(t){var r=this.s["return"];return void 0===r?Promise.resolve({value:t,done:!0}):n(r.apply(this.s,arguments))},throw:function e(t){var r=this.s["return"];return void 0===r?Promise.reject(t):n(r.apply(this.s,arguments))}},new AsyncFromSyncIterator(e)}var root=typeof global!=="undefined"?global:self;if(!root.fetch){root.fetch=unfetch}var type_mapping={pair:Pair,symbol:LSymbol,number:LNumber,array:Array,nil:Nil,character:LCharacter,values:Values,"input-port":InputPort,"output-port":OutputPort,regex:RegExp,syntax:Syntax,eof:EOF,macro:Macro,string:LString,"native-symbol":Symbol};var type_constants=new Map([[NaN,"NaN"],[null,"null"]]);var fs,path$2,nodeRequire;var BN=root.BN;function contentLoaded(r,n){var i=false,e=true,a=r.document,o=a.documentElement,t=a.addEventListener,u=t?"addEventListener":"attachEvent",l=t?"removeEventListener":"detachEvent",s=t?"":"on",c=function e(t){if(t.type=="readystatechange"&&a.readyState!="complete")return;(t.type=="load"?r:a)[l](s+t.type,e,false);if(!i&&(i=true))n.call(r,t.type||t)},f=function t(){try{o.doScroll("left")}catch(e){setTimeout(t,50);return}c("poll")};if(a.readyState=="complete")n.call(r,"lazy");else{if(!t&&o.doScroll){try{e=!r.frameElement}catch(e){}if(e)f()}a[u](s+"DOMContentLoaded",c,false);a[u](s+"readystatechange",c,false);r[u](s+"load",c,false)}}function log(e){var r=arguments.length>1&&arguments[1]!==undefined?arguments[1]:null;var n=arguments[1]===true;function t(e){if(!is_debug()){return}var t=global_env.get("repr")(e);if(r===null||r instanceof RegExp&&r.test(t)){console.log(global_env.get("type")(e)+": "+t)}if(n){console.log(e)}}if(is_promise(e)){e.then(t)}else{t(e)}return e}function is_debug(){var e=arguments.length>0&&arguments[0]!==undefined?arguments[0]:null;var t=user_env&&user_env.get("DEBUG",{throwError:false});if(e===null){return t===true}return(t===null||t===void 0?void 0:t.valueOf())===e.valueOf()}function num_mnemicic_re(e){return e?"(?:#".concat(e,"(?:#[ie])?|#[ie]#").concat(e,")"):"(?:#[ie])?"}function gen_rational_re(e,t){return"".concat(num_mnemicic_re(e),"[+-]?").concat(t,"+/").concat(t,"+")}function gen_complex_re(e,t){return"".concat(num_mnemicic_re(e),"(?:[+-]?(?:").concat(t,"+/").concat(t,"+|nan.0|inf.0|").concat(t,"+))?(?:[+-]i|[+-]?(?:").concat(t,"+/").concat(t,"+|").concat(t,"+|nan.0|inf.0)i)(?=[()[\\]\\s]|$)")}function gen_integer_re(e,t){return"".concat(num_mnemicic_re(e),"[+-]?").concat(t,"+")}var re_re=/^#\/((?:\\\/|[^/]|\[[^\]]*\/[^\]]*\])+)\/([gimyus]*)$/;var float_stre="(?:[-+]?(?:[0-9]+(?:[eE][-+]?[0-9]+)|(?:\\.[0-9]+|[0-9]+\\.[0-9]+)(?:[eE][-+]?[0-9]+)?)|[0-9]+\\.)";var complex_float_stre="(?:#[ie])?(?:[+-]?(?:[0-9]+/[0-9]+|nan.0|inf.0|".concat(float_stre,"|[+-]?[0-9]+))?(?:").concat(float_stre,"|[+-](?:[0-9]+/[0-9]+|[0-9]+|nan.0|inf.0))i");var float_re=new RegExp("^(#[ie])?".concat(float_stre,"$"),"i");function make_complex_match_re(e,t){var r=e==="x"?"(?!\\+|".concat(t,")"):"(?!\\.|".concat(t,")");var n="";if(e===""){n="(?:[-+]?(?:[0-9]+(?:[eE][-+]?[0-9]+)|(?:\\.[0-9]+|[0-9]+\\.[0-9]+(?![0-9]))(?:[eE][-+]?[0-9]+)?))"}return new RegExp("^((?:(?:".concat(n,"|[-+]?inf.0|[-+]?nan.0|[+-]?").concat(t,"+/").concat(t,"+(?!").concat(t,")|[+-]?").concat(t,"+)").concat(r,")?)(").concat(n,"|[-+]?inf.0|[-+]?nan.0|[+-]?").concat(t,"+/").concat(t,"+|[+-]?").concat(t,"+|[+-])i$"),"i")}var complex_list_re=function(){var a={};[[10,"","[0-9]"],[16,"x","[0-9a-fA-F]"],[8,"o","[0-7]"],[2,"b","[01]"]].forEach(function(e){var t=_slicedToArray(e,3),r=t[0],n=t[1],i=t[2];a[r]=make_complex_match_re(n,i)});return a}();var characters={alarm:"",backspace:"\b",delete:"",escape:"",newline:"\n",null:"\0",return:"\r",space:" ",tab:"\t",dle:"",soh:"
",dc1:"",stx:"",dc2:"",etx:"",dc3:"",eot:"",dc4:"",enq:"",nak:"",ack:"",syn:"",bel:"",etb:"",bs:"\b",can:"",ht:"\t",em:"",lf:"\n",sub:"",vt:"\v",esc:"",ff:"\f",fs:"",cr:"\r",gs:"",so:"",rs:"",si:"",us:"",del:""};function ucs2decode(e){var t=[];var r=0;var n=e.length;while(r<n){var i=e.charCodeAt(r++);if(i>=55296&&i<=56319&&r<n){var a=e.charCodeAt(r++);if((a&64512)===56320){t.push(((i&1023)<<10)+(a&1023)+65536)}else{t.push(i);r--}}else{t.push(i)}}return t}var character_symbols=Object.keys(characters).join("|");var char_sre_re="#\\\\(?:x[0-9a-f]+|".concat(character_symbols,"|[\\s\\S])");var char_re=new RegExp("^".concat(char_sre_re,"$"),"i");function make_num_stre(i){var e=[["o","[0-7]"],["x","[0-9a-fA-F]"],["b","[01]"],["d","[0-9]"],["","[0-9]"]];var t=e.map(function(e){var t=_slicedToArray(e,2),r=t[0],n=t[1];return i(r,n)}).join("|");if(i===gen_complex_re){t=complex_float_stre+"|"+t}return t}function make_type_re(e){return new RegExp("^(?:"+make_num_stre(e)+")$","i")}var complex_re=make_type_re(gen_complex_re);var rational_re=make_type_re(gen_rational_re);var int_re=make_type_re(gen_integer_re);var int_bare_re=new RegExp("^(?:"+gen_integer_re("","[0-9a-f]")+")$","i");var rational_bare_re=new RegExp("^(?:"+gen_rational_re("","[0-9a-f]")+")$","i");var complex_bare_re=new RegExp("^(?:"+gen_complex_re("","[0-9a-f]")+")$","i");var complex_bare_match_re=make_complex_match_re("","[0-9a-fA-F]");var pre_num_parse_re=/((?:#[xodbie]){0,2})(.*)/i;function num_pre_parse(e){var t=e.match(pre_num_parse_re);var r={};if(t[1]){var n=t[1].replace(/#/g,"").toLowerCase().split("");if(n.includes("x")){r.radix=16}else if(n.includes("o")){r.radix=8}else if(n.includes("b")){r.radix=2}else if(n.includes("d")){r.radix=10}if(n.includes("i")){r.inexact=true}if(n.includes("e")){r.exact=true}}r.number=t[2];return r}function parse_rational(e){var t=arguments.length>1&&arguments[1]!==undefined?arguments[1]:10;var r=num_pre_parse(e);var n=r.number.split("/");var i=LRational({num:LNumber([n[0],r.radix||t]),denom:LNumber([n[1],r.radix||t])});if(r.inexact){return i.valueOf()}else{return i}}function parse_integer(e){var t=arguments.length>1&&arguments[1]!==undefined?arguments[1]:10;var r=num_pre_parse(e);if(r.inexact){return LFloat(parseInt(r.number,r.radix||t))}return LNumber([r.number,r.radix||t])}function parse_character(e){var t=e.match(/#\\x([0-9a-f]+)$/i);var r;if(t){var n=parseInt(t[1],16);r=String.fromCodePoint(n)}else{t=e.match(/#\\(.+)$/);if(t){r=t[1]}}if(r){return LCharacter(r)}throw new Error("Parse: invalid character")}function parse_complex(e){var i=arguments.length>1&&arguments[1]!==undefined?arguments[1]:10;function t(e){var t;if(e==="+"){t=LNumber(1)}else if(e==="-"){t=LNumber(-1)}else if(e.match(int_bare_re)){t=LNumber([e,i])}else if(e.match(rational_bare_re)){var r=e.split("/");t=LRational({num:LNumber([r[0],i]),denom:LNumber([r[1],i])})}else if(e.match(float_re)){var n=parse_float(e);if(a.exact){return n.toRational()}return n}else if(e.match(/nan.0$/)){return LNumber(NaN)}else if(e.match(/inf.0$/)){if(e[0]==="-"){return LNumber(Number.NEGATIVE_INFINITY)}return LNumber(Number.POSITIVE_INFINITY)}else{throw new Error("Internal Parser Error")}if(a.inexact){return LFloat(t.valueOf())}return t}var a=num_pre_parse(e);i=a.radix||i;var r;var n=a.number.match(complex_bare_match_re);if(i!==10&&n){r=n}else{r=a.number.match(complex_list_re[i])}var o,u;u=t(r[2]);if(r[1]){o=t(r[1])}else{o=LNumber(0)}if(u.cmp(0)===0&&u.__type__==="bigint"){return o}return LComplex({im:u,re:o})}function is_int(e){return parseInt(e.toString(),10)===e}function parse_big_int(e){var t=e.match(/^(([-+]?[0-9]*)(?:\.([0-9]+))?)e([-+]?[0-9]+)/i);if(t){var r=parseInt(t[4],10);var n;var i=t[1].replace(/[-+]?([0-9]*)\..+$/,"$1").length;var a=t[3]&&t[3].length;if(i<Math.abs(r)){n=LNumber([t[1].replace(/\./,""),10]);if(a){r-=a}}}return{exponent:r,mantisa:n}}function parse_float(e){var t=num_pre_parse(e);var r=parseFloat(t.number);var n=(t.number.match(/\.0$/)||!t.number.match(/\./))&&!t.number.match(/e/i);if(!t.inexact){if(t.exact&&n){return LNumber(r)}if(is_int(r)&&t.number.match(/e\+?[0-9]/i)){return LNumber(r)}var i=parse_big_int(t.number),a=i.mantisa,o=i.exponent;if(a!==undefined&&o!==undefined){var u=LNumber(10).pow(LNumber(Math.abs(o)));if(t.exact&&o<0){return LRational({num:a,denom:u})}else if(o>0){return LNumber(a).mul(u)}}}r=LFloat(r);if(t.exact){return r.toRational()}return r}function parse_string(e){e=e.replace(/\\x([0-9a-f]+);/gi,function(e,t){return"\\u"+t.padStart(4,"0")}).replace(/\n/g,"\\n");var t=e.match(/(\\*)(\\x[0-9A-F])/i);if(t&&t[1].length%2===0){throw new Error("Invalid string literal, unclosed ".concat(t[2]))}try{return LString(JSON.parse(e))}catch(e){var r=e.message.replace(/in JSON /,"").replace(/.*Error: /,"");throw new Error("Invalid string literal: ".concat(r))}}function parse_symbol(e){if(e.match(/^\|.*\|$/)){e=e.replace(/(^\|)|(\|$)/g,"");var r={t:"\t",r:"\r",n:"\n"};e=e.replace(/\\(x[^;]+);/g,function(e,t){return String.fromCharCode(parseInt("0"+t,16))}).replace(/\\(.)/g,function(e,t){return r[t]||t})}return new LSymbol(e)}function parse_argument(e){if(constants.hasOwnProperty(e)){return constants[e]}if(e.match(/^"[\s\S]*"$/)){return parse_string(e)}else if(e[0]==="#"){var t=e.match(re_re);if(t){return new RegExp(t[1],t[2])}else if(e.match(char_re)){return parse_character(e)}var r=e.match(/#\\(.+)/);if(r&&ucs2decode(r[1]).length===1){return parse_character(e)}}if(e.match(/[0-9a-f]|[+-]i/i)){if(e.match(int_re)){return parse_integer(e)}else if(e.match(float_re)){return parse_float(e)}else if(e.match(rational_re)){return parse_rational(e)}else if(e.match(complex_re)){return parse_complex(e)}}if(e.match(/^#[iexobd]/)){throw new Error("Invalid numeric constant: "+e)}return parse_symbol(e)}function is_atom_string(e){return!(["(",")","[","]"].includes(e)||specials.names().includes(e))}function is_symbol_string(e){return is_atom_string(e)&&!(e.match(re_re)||e.match(/^"[\s\S]*"$/)||e.match(int_re)||e.match(float_re)||e.match(complex_re)||e.match(rational_re)||e.match(char_re)||["#t","#f","nil","true","false"].includes(e))}var string_re=/"(?:\\[\S\s]|[^"])*"?/g;function escape_regex(e){if(typeof e==="string"){var t=/([-\\^$[\]()+{}?*.|])/g;return e.replace(t,"\\$1")}return e}function Stack(){this.data=[]}Stack.prototype.push=function(e){this.data.push(e)};Stack.prototype.top=function(){return this.data[this.data.length-1]};Stack.prototype.pop=function(){return this.data.pop()};Stack.prototype.is_empty=function(){return!this.data.length};function tokens(e){if(e instanceof LString){e=e.valueOf()}var t=new Lexer(e,{whitespace:true});var r=[];while(true){var n=t.peek(true);if(n===eof){break}r.push(n);t.skip()}return r}function multiline_formatter(e){var t=e.token,r=_objectWithoutProperties(e,_excluded);if(t.match(/^"[\s\S]*"$/)&&t.match(/\n/)){var n=new RegExp("^ {1,"+(e.col+1)+"}","mg");t=t.replace(n,"")}return _objectSpread({token:t},r)}function Thunk(e){var t=arguments.length>1&&arguments[1]!==undefined?arguments[1]:function(){};this.fn=e;this.cont=t}Thunk.prototype.toString=function(){return"#<Thunk>"};function trampoline(n){return function(){for(var e=arguments.length,t=new Array(e),r=0;r<e;r++){t[r]=arguments[r]}return unwind(n.apply(this,t))}}function unwind(e){while(e instanceof Thunk){var t=e;e=e.fn();if(!(e instanceof Thunk)){t.cont()}}return e}function tokenize(e){var t=arguments.length>1&&arguments[1]!==undefined?arguments[1]:false;if(e instanceof LString){e=e.toString()}if(t){return tokens(e)}else{var r=tokens(e).map(function(e){if(e.token==="#\\ "){return e.token}return e.token.trim()}).filter(function(e){return e&&!e.match(/^;/)&&!e.match(/^#\|[\s\S]*\|#$/)});return strip_s_comments(r)}}function strip_s_comments(e){var t=0;var r=null;var n=[];for(var i=0;i<e.length;++i){var a=e[i];if(a==="#;"){if(["(","["].includes(e[i+1])){t=1;r=i}else{n.push([i,i+2])}i+=1;continue}if(r!==null){if([")","]"].includes(a)){t--}else if(["(","["].includes(a)){t++}if(t===0){n.push([r,i+1]);r=null}}}e=e.slice();n.reverse();for(var o=0,u=n;o<u.length;o++){var s=_slicedToArray(u[o],2),c=s[0],l=s[1];e.splice(c,l-c)}return e}function isSymbol(e){return _typeof(e)==="symbol"||_typeof(e)==="object"&&Object.prototype.toString.call(e)==="[object Symbol]"}function LSymbol(e){if(typeof this!=="undefined"&&this.constructor!==LSymbol||typeof this==="undefined"){return new LSymbol(e)}if(e instanceof LString){e=e.valueOf()}if(LSymbol.list[e]instanceof LSymbol){return LSymbol.list[e]}this.__name__=e;if(typeof e==="string"){LSymbol.list[e]=this}}LSymbol.list={};LSymbol.literal=Symbol["for"]("__literal__");LSymbol.object=Symbol["for"]("__object__");LSymbol.is=function(e,t){return e instanceof LSymbol&&(t instanceof LSymbol&&e.__name__===t.__name__||typeof t==="string"&&e.__name__===t||t instanceof RegExp&&t.test(e.__name__))};LSymbol.prototype.toString=function(e){if(isSymbol(this.__name__)){return symbol_to_string(this.__name__)}var t=this.valueOf();if(e&&t.match(/(^;|[\s()[\]'])/)){return"|".concat(t,"|")}return t};LSymbol.prototype.literal=function(){if(this.is_gensym()){return this[LSymbol.literal]}return this.valueOf()};LSymbol.prototype.serialize=function(){if(LString.isString(this.__name__)){return this.__name__}return[symbol_to_string(this.__name__)]};LSymbol.prototype.valueOf=function(){return this.__name__.valueOf()};LSymbol.prototype.is_gensym=function(){return is_gensym(this.__name__)};function symbol_to_string(e){return e.toString().replace(/^Symbol\(([^)]+)\)/,"$1")}function is_gensym(e){if(_typeof(e)==="symbol"){return!!e.toString().match(/^Symbol\(#:/)}return false}var gensym=function(){var t=0;function r(e,t){var r=new LSymbol(t);hidden_prop(r,"__literal__",e);return r}return function(){var e=arguments.length>0&&arguments[0]!==undefined?arguments[0]:null;if(e instanceof LSymbol){if(e.is_gensym()){return e}e=e.valueOf()}if(is_gensym(e)){return LSymbol(e)}if(e!==null){return r(e,Symbol("#:".concat(e)))}t++;return r(t,Symbol("#:g".concat(t)))}}();function QuotedPromise(e){var r=this;var n={pending:true,rejected:false,fulfilled:false,reason:undefined,type:undefined};e=e.then(function(e){n.type=type(e);n.fulfilled=true;n.pending=false;return e});read_only(this,"_promise",e,{hidden:true});if(is_function(e["catch"])){e=e["catch"](function(e){n.rejected=true;n.pending=false;n.reason=e})}Object.keys(n).forEach(function(t){Object.defineProperty(r,"__".concat(t,"__"),{enumerable:true,get:function e(){return n[t]}})});read_only(this,"__promise__",e);this.then=false}QuotedPromise.prototype.then=function(e){return new QuotedPromise(this.valueOf().then(e))};QuotedPromise.prototype["catch"]=function(e){return new QuotedPromise(this.valueOf()["catch"](e))};QuotedPromise.prototype.valueOf=function(){if(!this._promise){throw new Error("QuotedPromise: invalid promise created")}return this._promise};QuotedPromise.prototype.toString=function(){if(this.__pending__){return QuotedPromise.pending_str}if(this.__rejected__){return QuotedPromise.rejected_str}return"#<js-promise resolved (".concat(this.__type__,")>")};QuotedPromise.pending_str="#<js-promise (pending)>";QuotedPromise.rejected_str="#<js-promise (rejected)>";function promise_all(e){if(Array.isArray(e)){return Promise.all(escape_quoted_promises(e)).then(unescape_quoted_promises)}return e}function escape_quoted_promises(e){var t=new Array(e.length),r=e.length;while(r--){var n=e[r];if(n instanceof QuotedPromise){t[r]=new Value(n)}else{t[r]=n}}return t}function unescape_quoted_promises(e){var t=new Array(e.length),r=e.length;while(r--){var n=e[r];if(n instanceof Value){t[r]=n.valueOf()}else{t[r]=n}}return t}var specials={LITERAL:Symbol["for"]("literal"),SPLICE:Symbol["for"]("splice"),SYMBOL:Symbol["for"]("symbol"),names:function e(){return Object.keys(this.__list__)},type:function e(t){try{return this.get(t).type}catch(e){console.log({name:t});console.log(e);return null}},get:function e(t){return this.__list__[t]},off:function e(t){var r=this;var n=arguments.length>1&&arguments[1]!==undefined?arguments[1]:null;if(Array.isArray(t)){t.forEach(function(e){return r.off(e,n)})}else if(n===null){delete this.__events__[t]}else{this.__events__=this.__events__.filter(function(e){return e!==n})}},on:function e(t,r){var n=this;if(Array.isArray(t)){t.forEach(function(e){return n.on(e,r)})}else if(!this.__events__[t]){this.__events__[t]=[r]}else{this.__events__[t].push(r)}},trigger:function e(t){for(var r=arguments.length,n=new Array(r>1?r-1:0),i=1;i<r;i++){n[i-1]=arguments[i]}if(this.__events__[t]){this.__events__[t].forEach(function(e){return e.apply(void 0,n)})}},remove:function e(t){delete this.__list__[t];this.trigger("remove")},append:function e(t,r,n){this.__list__[t]={seq:t,symbol:r,type:n};this.trigger("append")},__events__:{},__list__:{}};function is_special(e){return specials.names().includes(e)}function is_builtin(e){return specials.__builtins__.includes(e)}function is_literal(e){return specials.type(e)===specials.LITERAL}function is_symbol_extension(e){return specials.type(e)===specials.SYMBOL}var defined_specials=[["'",new LSymbol("quote"),specials.LITERAL],["`",new LSymbol("quasiquote"),specials.LITERAL],[",@",new LSymbol("unquote-splicing"),specials.LITERAL],[",",new LSymbol("unquote"),specials.LITERAL],["'>",new LSymbol("quote-promise"),specials.LITERAL]];var builtins=defined_specials.map(function(e){return e[0]});Object.freeze(builtins);Object.defineProperty(specials,"__builtins__",{writable:false,value:builtins});defined_specials.forEach(function(e){var t=_slicedToArray(e,3),r=t[0],n=t[1],i=t[2];specials.append(r,n,i)});var Lexer=function(){function p(e){var t=this;var r=arguments.length>1&&arguments[1]!==undefined?arguments[1]:{},n=r.whitespace,i=n===void 0?false:n;_classCallCheck(this,p);read_only(this,"__input__",e.replace(/\r/g,""));var a={};["_i","_whitespace","_col","_newline","_line","_state","_next","_token","_prev_char"].forEach(function(r){Object.defineProperty(t,r,{configurable:false,enumerable:false,get:function e(){return a[r]},set:function e(t){a[r]=t}})});this._whitespace=i;this._i=this._line=this._col=this._newline=0;this._state=this._next=this._token=null;this._prev_char=""}_createClass(p,[{key:"get",value:function e(t){return this.__internal[t]}},{key:"set",value:function e(t,r){this.__internal[t]=r}},{key:"token",value:function e(){var t=arguments.length>0&&arguments[0]!==undefined?arguments[0]:false;if(t){var r=this._line;if(this._whitespace&&this._token==="\n"){--r}return{token:this._token,col:this._col,offset:this._i,line:r}}return this._token}},{key:"peek",value:function e(){var t=arguments.length>0&&arguments[0]!==undefined?arguments[0]:false;if(this._i>=this.__input__.length){return eof}if(this._token){return this.token(t)}var r=this.next_token();if(r){this._token=this.__input__.substring(this._i,this._next);return this.token(t)}return eof}},{key:"skip",value:function e(){if(this._next!==null){this._token=null;this._i=this._next}}},{key:"read_line",value:function e(){var t=this.__input__.length;if(this._i>=t){return eof}for(var r=this._i;r<t;++r){var n=this.__input__[r];if(n==="\n"){var i=this.__input__.substring(this._i,r);this._i=r+1;++this._line;return i}}return this.read_rest()}},{key:"read_rest",value:function e(){var t=this._i;this._i=this.__input__.length;return this.__input__.substring(t)}},{key:"read_string",value:function e(t){var r=this.__input__.length;if(this._i>=r){return eof}if(t+this._i>=r){return this.read_rest()}var n=this._i+t;var i=this.__input__.substring(this._i,n);var a=i.match(/\n/g);if(a){this._line+=a.length}this._i=n;return i}},{key:"peek_char",value:function e(){if(this._i>=this.__input__.length){return eof}return LCharacter(this.__input__[this._i])}},{key:"read_char",value:function e(){var t=this.peek_char();this.skip_char();return t}},{key:"skip_char",value:function e(){if(this._i<this.__input__.length){++this._i;this._token=null}}},{key:"match_rule",value:function c(e){var t=arguments.length>1&&arguments[1]!==undefined?arguments[1]:{},r=t.prev_char,n=t["char"],i=t.next_char;var a=_slicedToArray(e,4),o=a[0],u=a[1],s=a[2],l=a[3];if(e.length!==5){throw new Error("Lexer: Invalid rule of length ".concat(e.length))}if(!n.match(o)){return false}if(!match_or_null(u,r)){return false}if(!match_or_null(s,i)){return false}if(l!==this._state){return false}return true}},{key:"next_token",value:function l(){if(this._i>=this.__input__.length){return false}var e=true;e:for(var t=this._i,r=this.__input__.length;t<r;++t){var n=this.__input__[t];var i=this.__input__[t-1]||"";var a=this.__input__[t+1]||"";if(n==="\n"){++this._line;var o=this._newline;if(this._state===null){this._newline=t+1}if(this._whitespace&&this._state===null){this._next=t+1;this._col=this._i-o;return true}}if(e&&this._state===null&&n.match(/\s/)){if(this._whitespace){if(!a.match(/\s/)){this._next=t+1;this._col=this._i-this._newline;return true}else{continue}}else{this._i=t+1;continue}}e=false;var u=_createForOfIteratorHelper(p.rules),s;try{for(u.s();!(s=u.n()).done;){var c=s.value;if(this.match_rule(c,{prev_char:i,char:n,next_char:a})){var f=c[c.length-1];this._state=f;if(this._state===null){this._next=t+1;this._col=this._i-this._newline;return true}continue e}}}catch(e){u.e(e)}finally{u.f()}if(this._state!==null){continue e}var _=this.__input__.split("\n")[this._line];throw new Error("Invalid Syntax at line ".concat(this._line,"\n").concat(_))}}}]);return p}();Lexer.literal_rule=function e(t,r){var n=arguments.length>2&&arguments[2]!==undefined?arguments[2]:null;var i=arguments.length>3&&arguments[3]!==undefined?arguments[3]:null;if(t.length===0){throw new Error("Lexer: invalid literal rule")}if(t.length===1){return[[t,n,i,null,null]]}var a=[];for(var o=0,u=t.length;o<u;++o){var s=[];s.push(t[o]);s.push(t[o-1]||n);s.push(t[o+1]||i);if(o===0){s.push(null);s.push(r)}else if(o===u-1){s.push(r);s.push(null)}else{s.push(r);s.push(r)}a.push(s)}return a};Lexer.string=Symbol["for"]("string");Lexer.string_escape=Symbol["for"]("string_escape");Lexer.symbol=Symbol["for"]("symbol");Lexer.comment=Symbol["for"]("comment");Lexer.regex=Symbol["for"]("regex");Lexer.regex_init=Symbol["for"]("regex_init");Lexer.regex_class=Symbol["for"]("regex_class");Lexer.character=Symbol["for"]("character");Lexer.bracket=Symbol["for"]("bracket");Lexer.b_symbol=Symbol["for"]("b_symbol");Lexer.b_comment=Symbol["for"]("b_comment");Lexer.i_comment=Symbol["for"]("i_comment");Lexer.l_datum=Symbol["for"]("l_datum");Lexer.dot=Symbol["for"]("dot");Lexer.boundary=/^$|[\s()[\]']/;Lexer._rules=[[/"/,null,null,Lexer.string,null],[/"/,null,null,null,Lexer.string],[/"/,null,null,Lexer.string_escape,Lexer.string],[/\\/,null,null,Lexer.string,Lexer.string_escape],[/./,/\\/,null,Lexer.string_escape,Lexer.string],[/#/,null,/[bdxoeitf]/i,null,Lexer.symbol],[/#/,null,/\\/,null,Lexer.character],[/\\/,/#/,/\s/,Lexer.character,Lexer.character],[/\\/,/#/,/[()[\]]/,Lexer.character,Lexer.character],[/\s/,/\\/,null,Lexer.character,null],[/\S/,null,Lexer.boundary,Lexer.character,null],[/#/,Lexer.boundary,/\//,null,Lexer.regex_init],[/./,/\//,null,Lexer.regex_init,Lexer.regex],[/[ 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RegExp("^(?:#:)?(?:".concat(t.join("|"),")$"))}Formatter.rules=[[[sexp],0,not_close],[[p_o,keywords_re("begin","cond-expand")],1],[[p_o,let_re,symbol,p_o,let_value,p_e],1],[[p_o,let_re,symbol,sexp_or_atom],1,not_close],[[p_o,let_re,p_o,let_value],1,not_close],[[p_o,non_def,new Pattern([/[^()[\]]/],"+"),sexp],1,not_close],[[p_o,sexp],1,not_close],[[p_o,not_p,sexp],1,not_close],[[p_o,keywords_re("lambda","if"),not_p],1,not_close],[[p_o,keywords_re("while"),not_p,sexp],1,not_close],[[p_o,keywords_re("if"),not_p,glob],1],[[p_o,def_lambda_re,identifiers],0,not_close],[[p_o,def_lambda_re,identifiers,string_re],0,not_close],[[p_o,def_lambda_re,identifiers,string_re,sexp],0,not_close],[[p_o,def_lambda_re,identifiers,sexp],0,not_close]];Formatter.prototype["break"]=function(){var l=this.__code__.replace(/\n[ \t]*/g,"\n ").replace(/^\s+/,"");var f=function e(t){if(t.token.match(string_re)||t.token.match(re_re)){return t.token}else{return t.token.replace(/\s+/," ")}};var _=function e(t){for(var r=t.length;r--;){var n=t[r];if(n.trim()&&!is_special(n)){return t.length-r-1}}};var e=tokenize(l,true).map(f).filter(function(e){return e!=="\n"});var t=Formatter.rules;e:for(var r=1;r<e.length;++r){if(!e[r].trim()){continue}var n=e.slice(0,r);var i={};t.map(function(e){return e[1]}).forEach(function(e){e=e.valueOf();if(e>0&&!i[e]){i[e]=previousSexp(n,e)}});var a=_createForOfIteratorHelper(t),p;try{for(a.s();!(p=a.n()).done;){var o=_slicedToArray(p.value,3),h=o[0],u=o[1],s=o[2];u=u.valueOf();var d=u>0?i[u]:n;var m=d.filter(function(e){return e.trim()&&!is_special(e)});var y=_(d);var v=match(h,m);var g=e.slice(r).find(function(e){return e.trim()&&!is_special(e)});if(v&&(s instanceof Ahead&&s.match(g)||!s)){var c=r-y;if(e[c]!=="\n"){if(!e[c].trim()){e[c]="\n"}else{e.splice(c,0,"\n");r++}}r+=y;continue e}}}catch(e){a.e(e)}finally{a.f()}}this.__code__=e.join("");return this};Formatter.prototype._spaces=function(e){return new Array(e+1).join(" ")};Formatter.prototype.format=function c(e){var t=this.__code__.replace(/[ \t]*\n[ \t]*/g,"\n ");var r=tokenize(t,true);var n=this._options(e);var i=0;var a=0;for(var o=0;o<r.length;++o){var u=r[o];if(u.token==="\n"){i=this._indent(r.slice(0,o),n);a+=i;if(r[o+1]){r[o+1].token=this._spaces(i);i--;a--;for(var s=o+2;s<r.length;++s){r[s].offset+=a;r[s].col+=i;if(r[s].token==="\n"){o=s-1;break}}}}}return r.map(function(e){if(e.token.match(string_re)){if(e.token.match(/\n/)){var t=new Array(e.col+1).join(" ");var r=e.token.split("\n");e.token=[r[0]].concat(r.slice(1).map(function(e){return t+e})).join("\n")}}return e.token}).join("")};function flatten(e,t){var r=Object.prototype.toString;var n="[object Array]";var i=[];var a=t&&e||e.slice();var o;if(!e.length){return i}o=a.pop();do{if(r.call(o)===n){a.push.apply(a,o)}else{i.push(o)}}while(a.length&&(o=a.pop())!==undefined);i.reverse();return i}function shuffle(e,t){var r=e.length,n;while(r>0){n=Math.floor(t()*r);r--;var i=[e[n],e[r]];e[r]=i[0];e[n]=i[1]}return e}function Nil(){}Nil.prototype.toString=function(){return"()"};Nil.prototype.valueOf=function(){return undefined};Nil.prototype.serialize=function(){return 0};Nil.prototype.to_object=function(){return{}};Nil.prototype.append=function(e){return new Pair(e,_nil)};Nil.prototype.to_array=function(){return[]};var _nil=new Nil;function Pair(e,t){if(typeof this!=="undefined"&&this.constructor!==Pair||typeof this==="undefined"){return new Pair(e,t)}this.car=e;this.cdr=t}function to_array(a,o){return function e(t){typecheck(a,t,["pair","nil"]);if(t===_nil){return[]}var r=[];var n=t;while(true){if(n instanceof Pair){if(n.haveCycles("cdr")){break}var i=n.car;if(o&&i instanceof Pair){i=this.get(a).call(this,i)}r.push(i);n=n.cdr}else if(n===_nil){break}else{throw new Error("".concat(a,": can't convert improper list"))}}return r}}Pair.prototype.flatten=function(){return Pair.fromArray(flatten(this.to_array()))};Pair.prototype.length=function(){var e=0;var t=this;while(true){if(!t||t===_nil||!(t instanceof Pair)||t.haveCycles("cdr")){break}e++;t=t.cdr}return e};Pair.match=function(e,t){if(e instanceof LSymbol){return LSymbol.is(e,t)}else if(e instanceof Pair){return Pair.match(e.car,t)||Pair.match(e.cdr,t)}else if(Array.isArray(e)){return e.some(function(e){return Pair.match(e,t)})}else if(is_plain_object(e)){return Object.values(e).some(function(e){return Pair.match(e,t)})}return false};Pair.prototype.find=function(e){return Pair.match(this,e)};Pair.prototype.clone=function(){var r=arguments.length>0&&arguments[0]!==undefined?arguments[0]:true;var n=new Map;function i(e){if(e instanceof Pair){if(n.has(e)){return n.get(e)}var t=new Pair;n.set(e,t);if(r){t.car=i(e.car)}else{t.car=e.car}t.cdr=i(e.cdr);t[__cycles__]=e[__cycles__];return t}return e}return i(this)};Pair.prototype.last_pair=function(){var e=this;while(true){if(e.cdr===_nil){return e}e=e.cdr}};Pair.prototype.to_array=function(){var e=arguments.length>0&&arguments[0]!==undefined?arguments[0]:true;var t=[];if(this.car instanceof Pair){if(e){t.push(this.car.to_array())}else{t.push(this.car)}}else{t.push(this.car.valueOf())}if(this.cdr instanceof Pair){t=t.concat(this.cdr.to_array(e))}return t};Pair.fromArray=function(e){var t=arguments.length>1&&arguments[1]!==undefined?arguments[1]:true;var r=arguments.length>2&&arguments[2]!==undefined?arguments[2]:false;if(e instanceof Pair||r&&e instanceof Array&&e[__data__]){return e}if(t===false){var n=_nil;for(var i=e.length;i--;){n=new Pair(e[i],n)}return n}if(e.length&&!(e instanceof Array)){e=_toConsumableArray(e)}var a=_nil;var o=e.length;while(o--){var u=e[o];if(u instanceof Array){u=Pair.fromArray(u,t,r)}else if(typeof u==="string"){u=LString(u)}else if(typeof u==="number"&&!Number.isNaN(u)){u=LNumber(u)}a=new Pair(u,a)}return a};Pair.prototype.to_object=function(){var e=arguments.length>0&&arguments[0]!==undefined?arguments[0]:false;var t=this;var r={};while(true){if(t instanceof Pair&&t.car instanceof Pair){var n=t.car;var i=n.car;if(i instanceof LSymbol){i=i.__name__}if(i instanceof LString){i=i.valueOf()}var a=n.cdr;if(a instanceof Pair){a=a.to_object(e)}if(is_native(a)){if(!e){a=a.valueOf()}}r[i]=a;t=t.cdr}else{break}}return r};Pair.fromPairs=function(e){return e.reduce(function(e,t){return new Pair(new Pair(new LSymbol(t[0]),t[1]),e)},_nil)};Pair.fromObject=function(t){var e=Object.keys(t).map(function(e){return[e,t[e]]});return Pair.fromPairs(e)};Pair.prototype.reduce=function(e){var t=this;var r=_nil;while(true){if(t!==_nil){r=e(r,t.car);t=t.cdr}else{break}}return r};Pair.prototype.reverse=function(){if(this.haveCycles()){throw new Error("You can't reverse list that have cycles")}var e=this;var t=_nil;while(e!==_nil){var r=e.cdr;e.cdr=t;t=e;e=r}return t};Pair.prototype.transform=function(n){function i(e){if(e instanceof Pair){if(e.replace){delete e.replace;return e}var t=n(e.car);if(t instanceof Pair){t=i(t)}var r=n(e.cdr);if(r instanceof Pair){r=i(r)}return new Pair(t,r)}return e}return i(this)};Pair.prototype.map=function(e){if(typeof this.car!=="undefined"){return new Pair(e(this.car),this.cdr===_nil?_nil:this.cdr.map(e))}else{return _nil}};var repr=new Map;function is_plain_object(e){return e&&_typeof(e)==="object"&&e.constructor===Object}var props=Object.getOwnPropertyNames(Array.prototype);var array_methods=[];props.forEach(function(e){array_methods.push(Array[e],Array.prototype[e])});function is_array_method(e){e=unbind(e);return array_methods.includes(e)}function is_lips_function(e){return is_function(e)&&(is_lambda(e)||e.__doc__)}function user_repr(r){var e=r.constructor||Object;var n=is_plain_object(r);var i=is_function(r[Symbol.asyncIterator])||is_function(r[Symbol.iterator]);var a;if(repr.has(e)){a=repr.get(e)}else{repr.forEach(function(e,t){t=unbind(t);if(r.constructor===t&&(t===Object&&n&&!i||t!==Object)){a=e}})}return a}var str_mapping=new Map;[[true,"#t"],[false,"#f"],[null,"null"],[undefined,"#<undefined>"]].forEach(function(e){var t=_slicedToArray(e,2),r=t[0],n=t[1];str_mapping.set(r,n)});function symbolize(r){if(r&&_typeof(r)==="object"){var n={};var e=Object.getOwnPropertySymbols(r);e.forEach(function(e){var t=e.toString().replace(/Symbol\(([^)]+)\)/,"$1");n[t]=toString(r[e])});var t=Object.getOwnPropertyNames(r);t.forEach(function(e){var t=r[e];if(t&&_typeof(t)==="object"&&t.constructor===Object){n[e]=symbolize(t)}else{n[e]=toString(t)}});return n}return r}function get_props(e){return Object.keys(e).concat(Object.getOwnPropertySymbols(e))}function has_own_function(e,t){return e.hasOwnProperty(t)&&is_function(e.toString)}function function_to_string(e){if(is_native_function(e)){return"#<procedure(native)>"}var t=e.prototype&&e.prototype.constructor;if(is_function(t)&&is_lambda(t)){if(e[__class__]&&t.hasOwnProperty("__name__")){var r=t.__name__;if(LString.isString(r)){r=r.toString();return"#<class:".concat(r,">")}return"#<class>"}}if(e.hasOwnProperty("__name__")){var n=e.__name__;if(_typeof(n)==="symbol"){n=symbol_to_string(n)}if(typeof n==="string"){return"#<procedure:".concat(n,">")}}if(has_own_function(e,"toString")){return e.toString()}else if(e.name&&!is_lambda(e)){return"#<procedure:".concat(e.name.trim(),">")}else{return"#<procedure>"}}var instances=new Map;[[Error,function(e){return e.message}],[Pair,function(e,t){var r=t.quote,n=t.skip_cycles,i=t.pair_args;if(!n){e.markCycles()}return e.toString.apply(e,[r].concat(_toConsumableArray(i)))}],[LCharacter,function(e,t){var r=t.quote;if(r){return e.toString()}return e.valueOf()}],[LString,function(e,t){var r=t.quote;e=e.toString();if(r){return JSON.stringify(e).replace(/\\n/g,"\n")}return e}],[RegExp,function(e){return"#"+e.toString()}]].forEach(function(e){var t=_slicedToArray(e,2),r=t[0],n=t[1];instances.set(r,n)});var native_types=[LSymbol,LNumber,Macro,Values,InputPort,OutputPort,Environment,QuotedPromise];function toString(e,t,c){if(typeof jQuery!=="undefined"&&e instanceof jQuery.fn.init){return"#<jQuery("+e.length+")>"}if(str_mapping.has(e)){return str_mapping.get(e)}if(is_prototype(e)){return"#<prototype>"}if(e){var r=e.constructor;if(instances.has(r)){for(var n=arguments.length,l=new Array(n>3?n-3:0),i=3;i<n;i++){l[i-3]=arguments[i]}return instances.get(r)(e,{quote:t,skip_cycles:c,pair_args:l})}}var a=_createForOfIteratorHelper(native_types),f;try{for(a.s();!(f=a.n()).done;){var _=f.value;if(e instanceof _){return e.toString(t)}}}catch(e){a.e(e)}finally{a.f()}if([_nil,eof].includes(e)){return e.toString()}if(is_function(e)){return function_to_string(e)}if(e===root){return"#<js:global>"}if(e===null){return"null"}if(_typeof(e)==="object"){var o=e.constructor;if(!o){o=Object}var u;if(typeof o.__class__==="string"){u=o.__class__}else{var s=user_repr(e);if(s){if(is_function(s)){return s(e,t)}else{throw new Error("toString: Invalid repr value")}}u=o.name}if(is_function(e.toString)&&is_lambda(e.toString)){return e.toString().valueOf()}if(type(e)==="instance"){if(is_lambda(o)&&o.__name__){u=o.__name__.valueOf()}else if(!is_native_function(o)){u="instance"}}if(is_iterator(e,Symbol.iterator)){if(u){return"#<iterator(".concat(u,")>")}return"#<iterator>"}if(is_iterator(e,Symbol.asyncIterator)){if(u){return"#<asyncIterator(".concat(u,")>")}return"#<asyncIterator>"}if(u!==""){return"#<"+u+">"}return"#<Object>"}if(typeof e!=="string"){return e.toString()}return e}function is_prototype(e){return e&&_typeof(e)==="object"&&e.hasOwnProperty&&e.hasOwnProperty("constructor")&&typeof e.constructor==="function"&&e.constructor.prototype===e}Pair.prototype.markCycles=function(){markCycles(this);return this};Pair.prototype.haveCycles=function(){var e=arguments.length>0&&arguments[0]!==undefined?arguments[0]:null;if(!e){return this.haveCycles("car")||this.haveCycles("cdr")}return!!(this[__cycles__]&&this[__cycles__][e])};function markCycles(e){var t=[];var i=[];var a=[];function o(e){if(!t.includes(e)){t.push(e)}}function u(e,t,r,n){if(r instanceof Pair){if(n.includes(r)){if(!a.includes(r)){a.push(r)}if(!e[__cycles__]){e[__cycles__]={}}e[__cycles__][t]=r;if(!i.includes(e)){i.push(e)}return true}}}var s=trampoline(function e(t,r){if(t instanceof Pair){delete t.ref;delete t[__cycles__];o(t);r.push(t);var n=u(t,"car",t.car,r);var i=u(t,"cdr",t.cdr,r);if(!n){s(t.car,r.slice())}if(!i){return new Thunk(function(){return e(t.cdr,r.slice())})}}});function r(e,t){if(e[__cycles__][t]instanceof Pair){var r=n.indexOf(e[__cycles__][t]);e[__cycles__][t]="#".concat(r,"#")}}s(e,[]);var n=t.filter(function(e){return a.includes(e)});n.forEach(function(e,t){e[__ref__]="#".concat(t,"=")});i.forEach(function(e){r(e,"car");r(e,"cdr")})}Pair.prototype.toString=function(e){var t=arguments.length>1&&arguments[1]!==undefined?arguments[1]:{},r=t.nested,n=r===void 0?false:r;var i=[];if(this[__ref__]){i.push(this[__ref__]+"(")}else if(!n){i.push("(")}var a;if(this[__cycles__]&&this[__cycles__].car){a=this[__cycles__].car}else{a=toString(this.car,e,true)}if(a!==undefined){i.push(a)}if(this.cdr instanceof Pair){if(this[__cycles__]&&this[__cycles__].cdr){i.push(" . ");i.push(this[__cycles__].cdr)}else{if(this.cdr[__ref__]){i.push(" . ")}else{i.push(" ")}var o=this.cdr.toString(e,{nested:true});i.push(o)}}else if(this.cdr!==_nil){i=i.concat([" . ",toString(this.cdr,e,true)])}if(!n||this[__ref__]){i.push(")")}return i.join("")};Pair.prototype.set=function(e,t){this[e]=t;if(t instanceof Pair){this.markCycles()}};Pair.prototype.append=function(e){if(e instanceof Array){return this.append(Pair.fromArray(e))}var t=this;if(t.car===undefined){if(e instanceof Pair){this.car=e.car;this.cdr=e.cdr}else{this.car=e}}else if(e!==_nil){while(true){if(t instanceof Pair&&t.cdr!==_nil){t=t.cdr}else{break}}t.cdr=e}return this};Pair.prototype.serialize=function(){return[this.car,this.cdr]};Pair.prototype[Symbol.iterator]=function(){var r=this;return{next:function e(){var t=r;r=t.cdr;if(t===_nil){return{value:undefined,done:true}}else{return{value:t.car,done:false}}}}};function abs(e){return e<0?-e:e}function seq_compare(e,t){var r=_toArray(t),n=r[0],i=r.slice(1);while(i.length>0){var a=i,o=_slicedToArray(a,1),u=o[0];if(!e(n,u)){return false}var s=i;var c=_toArray(s);n=c[0];i=c.slice(1)}return true}function equal(e,t){if(is_function(e)){return is_function(t)&&unbind(e)===unbind(t)}else if(e instanceof LNumber){if(!(t instanceof LNumber)){return false}var r;if(e.__type__===t.__type__){if(e.__type__==="complex"){r=e.__im__.__type__===t.__im__.__type__&&e.__re__.__type__===t.__re__.__type__}else{r=true}if(r&&e.cmp(t)===0){if(e.valueOf()===0){return Object.is(e.valueOf(),t.valueOf())}return true}}return false}else if(typeof e==="number"){if(typeof t!=="number"){return false}if(Number.isNaN(e)){return Number.isNaN(t)}if(e===Number.NEGATIVE_INFINITY){return t===Number.NEGATIVE_INFINITY}if(e===Number.POSITIVE_INFINITY){return t===Number.POSITIVE_INFINITY}return equal(LNumber(e),LNumber(t))}else if(e instanceof LCharacter){if(!(t instanceof LCharacter)){return false}return e.__char__===t.__char__}else{return e===t}}function same_atom(e,t){if(type(e)!==type(t)){return false}if(!is_atom(e)){return false}if(e instanceof RegExp){return e.source===t.source}if(e instanceof LString){return e.valueOf()===t.valueOf()}return equal(e,t)}function is_atom(e){return e instanceof LSymbol||LString.isString(e)||e===_nil||e===null||e instanceof LCharacter||e instanceof LNumber||e===true||e===false}var truncate=function(){if(Math.trunc){return Math.trunc}else{return function(e){if(e===0){return 0}else if(e<0){return Math.ceil(e)}else{return Math.floor(e)}}}}();function Macro(e,t,r,n){if(typeof this!=="undefined"&&this.constructor!==Macro||typeof this==="undefined"){return new Macro(e,t)}typecheck("Macro",e,"string",1);typecheck("Macro",t,"function",2);if(r){if(n){this.__doc__=r}else{this.__doc__=trim_lines(r)}}this.__name__=e;this.__fn__=t}Macro.defmacro=function(e,t,r,n){var i=new Macro(e,t,r,n);i.__defmacro__=true;return i};Macro.prototype.invoke=function(e,t,r){var n=t.env,i=_objectWithoutProperties(t,_excluded2);var a=_objectSpread(_objectSpread({},i),{},{macro_expand:r});var o=this.__fn__.call(n,e,a,this.__name__);return o};Macro.prototype.toString=function(){return"#<macro:".concat(this.__name__,">")};var macro="define-macro";var recur_guard=-1e4;function macro_expand(c){return function(){var r=_asyncToGenerator(_regeneratorRuntime.mark(function e(r,v){var a,g,n,i,s,D,x,E,L,A,S,b,o,w,u;return _regeneratorRuntime.wrap(function e(t){while(1){switch(t.prev=t.next){case 0:u=function e(){u=_asyncToGenerator(_regeneratorRuntime.mark(function e(r,n,i){var _,a,o,p,u,h,s,d,c,m,l,f,y;return _regeneratorRuntime.wrap(function e(t){while(1){switch(t.prev=t.next){case 0:if(!(r instanceof Pair&&r.car instanceof LSymbol)){t.next=50;break}if(!r[__data__]){t.next=3;break}return t.abrupt("return",r);case 3:_=r.car.valueOf();a=i.get(r.car,{throwError:false});o=D(r.car);p=o||x(a,r)||E(a);if(!(p&&r.cdr.car instanceof Pair)){t.next=28;break}if(!o){t.next=15;break}g=A(r.cdr.car);t.next=12;return b(r.cdr.car,n);case 12:u=t.sent;t.next=17;break;case 15:g=L(r.cdr.car);u=r.cdr.car;case 17:t.t0=Pair;t.t1=r.car;t.t2=Pair;t.t3=u;t.next=23;return w(r.cdr.cdr,n,i);case 23:t.t4=t.sent;t.t5=new t.t2(t.t3,t.t4);return t.abrupt("return",new t.t0(t.t1,t.t5));case 28:if(!S(_,a)){t.next=50;break}h=a instanceof Syntax?r:r.cdr;t.next=32;return a.invoke(h,_objectSpread(_objectSpread({},v),{},{env:i}),true);case 32:s=t.sent;if(!(a instanceof Syntax)){t.next=41;break}d=s,c=d.expr,m=d.scope;if(!(c instanceof Pair)){t.next=40;break}if(!(n!==-1&&n<=1||n<recur_guard)){t.next=38;break}return t.abrupt("return",c);case 38:if(n!==-1){n=n-1}return t.abrupt("return",w(c,n,m));case 40:s=c;case 41:if(!(s instanceof LSymbol)){t.next=43;break}return t.abrupt("return",quote(s));case 43:if(!(s instanceof Pair)){t.next=48;break}if(!(n!==-1&&n<=1||n<recur_guard)){t.next=46;break}return t.abrupt("return",s);case 46:if(n!==-1){n=n-1}return t.abrupt("return",w(s,n,i));case 48:if(!is_atom(s)){t.next=50;break}return t.abrupt("return",s);case 50:l=r.car;if(!(l instanceof Pair)){t.next=55;break}t.next=54;return w(l,n,i);case 54:l=t.sent;case 55:f=r.cdr;if(!(f instanceof Pair)){t.next=60;break}t.next=59;return w(f,n,i);case 59:f=t.sent;case 60:y=new Pair(l,f);return t.abrupt("return",y);case 62:case"end":return t.stop()}}},e)}));return u.apply(this,arguments)};w=function e(t,r,n){return u.apply(this,arguments)};o=function e(){o=_asyncToGenerator(_regeneratorRuntime.mark(function e(r,n){var i;return _regeneratorRuntime.wrap(function e(t){while(1){switch(t.prev=t.next){case 0:if(!(r===_nil)){t.next=2;break}return t.abrupt("return",_nil);case 2:i=r.car;t.t0=Pair;t.t1=Pair;t.t2=i.car;t.next=8;return w(i.cdr,n,a);case 8:t.t3=t.sent;t.t4=new t.t1(t.t2,t.t3);t.next=12;return b(r.cdr);case 12:t.t5=t.sent;return t.abrupt("return",new t.t0(t.t4,t.t5));case 14:case"end":return t.stop()}}},e)}));return o.apply(this,arguments)};b=function e(t,r){return o.apply(this,arguments)};S=function e(t,r){return r instanceof Macro&&r.__defmacro__&&!g.includes(t)};A=function e(t){return[].concat(_toConsumableArray(g),_toConsumableArray(t.to_array(false).map(function(e){if(e instanceof Pair){return e.car.valueOf()}throw new 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r.apply(this,arguments)}}()}function Syntax(e,t){this.__env__=t;this.__fn__=e;this.__defmacro__=true}Syntax.__merge_env__=Symbol["for"]("merge");Syntax.prototype=Object.create(Macro.prototype);Syntax.prototype.invoke=function(e,t,r){var n=t.error,i=t.env,a=t.use_dynamic;var o={error:n,env:i,use_dynamic:a,dynamic_env:this.__env__,macro_expand:r};return this.__fn__.call(i,e,o,this.__name__||"syntax")};Syntax.prototype.constructor=Syntax;Syntax.prototype.toString=function(){if(this.__name__){return"#<syntax:".concat(this.__name__,">")}return"#<syntax>"};Syntax.className="syntax";var SyntaxParameter=function(e){_inherits(r,e);var t=_createSuper(r);function r(){_classCallCheck(this,r);return t.apply(this,arguments)}return _createClass(r)}(Syntax);Syntax.Parameter=SyntaxParameter;function extract_patterns(e,t,w,D){var r=arguments.length>4&&arguments[4]!==undefined?arguments[4]:{};var x={"...":{symbols:{},lists:[]},symbols:{}};var E=r.expansion,S=r.define;function L(e){if(is_debug()){console.log(e)}}L(w);function A(e,t){var r=arguments.length>2&&arguments[2]!==undefined?arguments[2]:[];var n=arguments.length>3&&arguments[3]!==undefined?arguments[3]:false;L({code:t&&toString(t,true),pattern:e&&toString(e,true)});if(is_atom(e)&&!(e instanceof LSymbol)){return same_atom(e,t)}if(e instanceof LSymbol&&w.includes(e.literal())){var c=E.ref(t);if(LSymbol.is(t,e)){if(typeof c==="undefined"){return true}return c===S||c===global_env}return false}if(e instanceof Pair&&e.car instanceof Pair&&e.car.cdr instanceof Pair&&LSymbol.is(e.car.cdr.car,D)){L(">> 0");if(t===_nil){L({pattern:e.toString()});if(e.car.car instanceof LSymbol){if(e.car.cdr instanceof Pair&&LSymbol.is(e.car.cdr.car,D)){var l=e.car.car.valueOf();var f=e.last_pair();if(LSymbol.is(f.car,D)){x["..."].symbols[l]=null;return true}else{return false}}var _=e.car.car.valueOf();if(x["..."].symbols[_]){throw new Error("syntax: named ellipsis can only "+"appear onces")}x["..."].symbols[_]=t}}}if(e instanceof Pair&&e.cdr instanceof Pair&&LSymbol.is(e.cdr.car,D)){if(e.cdr.cdr!==_nil){if(e.cdr.cdr instanceof Pair){var p=e.cdr.cdr.length();var h=t.length();var i=t;while(h-1>p){i=i.cdr;h--}var d=i.cdr;i.cdr=_nil;if(!A(e.cdr.cdr,d,r,n)){return false}}}if(e.car instanceof LSymbol){var a=e.car.__name__;if(x["..."].symbols[a]&&!r.includes(a)&&!n){throw new Error("syntax: named ellipsis can only appear onces")}L(">> 1");if(t===_nil){L(">> 2");if(n){L("NIL");x["..."].symbols[a]=_nil}else{L("NULL");x["..."].symbols[a]=null}}else if(t instanceof Pair&&(t.car instanceof Pair||t.car===_nil)){L(">> 3 "+n);if(n){if(x["..."].symbols[a]){var o=x["..."].symbols[a];if(o===_nil){o=new Pair(_nil,new Pair(t,_nil))}else{o=o.append(new Pair(t,_nil))}x["..."].symbols[a]=o}else{x["..."].symbols[a]=new Pair(t,_nil)}}else{L(">> 4");x["..."].symbols[a]=new Pair(t,_nil)}}else{L(">> 6");if(t instanceof Pair){L(">> 7 "+n);r.push(a);if(!x["..."].symbols[a]){x["..."].symbols[a]=new Pair(t,_nil)}else{var m=x["..."].symbols[a];x["..."].symbols[a]=m.append(new Pair(t,_nil))}L({IIIIII:x["..."].symbols[a].toString()})}else{L(">> 8");return false}}return true}else if(e.car instanceof Pair){var y=_toConsumableArray(r);if(t===_nil){L(">> 9");x["..."].lists.push(_nil);return true}L(">> 10");var v=t;while(v instanceof Pair){if(!A(e.car,v.car,y,true)){return false}v=v.cdr}return true}return false}if(e instanceof LSymbol){if(LSymbol.is(e,D)){throw new Error("syntax: invalid usage of ellipsis")}L(">> 11");var u=e.__name__;if(w.includes(u)){return true}L({name:u,ellipsis:n});if(n){x["..."].symbols[u]=x["..."].symbols[u]||[];x["..."].symbols[u].push(t)}x.symbols[u]=t;if(!x.symbols[u]);return true}if(e instanceof Pair&&t instanceof Pair){L(">> 12");L({a:12,code:t&&t.toString(),pattern:e.toString()});if(t.cdr===_nil){var g=e.car instanceof LSymbol&&e.cdr instanceof LSymbol;if(g){if(!A(e.car,t.car,r,n)){return false}L(">> 12 | 1");var s=e.cdr.valueOf();if(!(s in x.symbols)){x.symbols[s]=_nil}s=e.car.valueOf();if(!(s in x.symbols)){x.symbols[s]=t.car}return true}}L({pattern:e.toString(),code:t.toString()});if(e.cdr instanceof Pair&&e.car instanceof LSymbol&&e.cdr.cdr instanceof Pair&&e.cdr.car instanceof LSymbol&&LSymbol.is(e.cdr.cdr.car,D)&&e.cdr.cdr.cdr instanceof Pair&&!LSymbol.is(e.cdr.cdr.cdr.car,D)&&A(e.car,t.car,r,n)&&A(e.cdr.cdr.cdr,t.cdr,r,n)){var b=e.cdr.car.__name__;L({pattern:e.car.toString(),code:t.car.toString(),name:b});if(w.includes(b)){return true}x["..."].symbols[b]=null;return true}L("recur");if(A(e.car,t.car,r,n)&&A(e.cdr,t.cdr,r,n)){return true}}else if(e===_nil&&(t===_nil||t===undefined)){return true}else if(e.car instanceof Pair&&LSymbol.is(e.car.car,D)){throw new Error("syntax: invalid usage of ellipsis")}else{return false}}if(A(e,t)){return x}}function clear_gensyms(e,i){function a(t){if(t instanceof Pair){if(!i.length){return t}var e=a(t.car);var r=a(t.cdr);return new Pair(e,r)}else if(t instanceof LSymbol){var n=i.find(function(e){return e.gensym===t});if(n){return LSymbol(n.name)}return t}else{return t}}return a(e)}function transform_syntax(){var e=arguments.length>0&&arguments[0]!==undefined?arguments[0]:{};var k=e.bindings,t=e.expr,P=e.scope,o=e.symbols,l=e.names,C=e.ellipsis;var c={};function u(e){if(e instanceof LSymbol){return true}return["string","symbol"].includes(_typeof(e))}function B(e){if(!u(e)){var t=type(e);throw new Error("syntax: internal error, need symbol got ".concat(t))}var r=e.valueOf();if(r===C){throw new Error("syntax: internal error, ellipis not transformed")}var n=_typeof(r);if(["string","symbol"].includes(n)){if(r in k.symbols){return k.symbols[r]}else if(n==="string"&&r.match(/\./)){var i=r.split(".");var a=i[0];if(a in k.symbols){return Pair.fromArray([LSymbol("."),k.symbols[a]].concat(i.slice(1).map(function(e){return LString(e)})))}}}if(o.includes(r)){return LSymbol(r)}return s(r)}function O(e){if(is_debug()){console.log(e)}}function s(e){if(!c[e]){var t=P.ref(e);var r=gensym(e);if(t){var n=P.get(e);P.set(r,n)}else{var i=P.get(e,{throwError:false});if(typeof i!=="undefined"){P.set(r,i)}}l.push({name:e,gensym:r});c[e]=r;if(typeof e==="string"&&e.match(/\./)){var a=e.split(".").filter(Boolean),o=_toArray(a),u=o[0],s=o.slice(1);if(c[u]){hidden_prop(r,"__object__",[c[u]].concat(_toConsumableArray(s)))}}}return c[e]}function I(e,t,r){var n=arguments.length>3&&arguments[3]!==undefined?arguments[3]:function(){};var i=r.nested;O(" ==> "+e.toString(true));O(t);if(e instanceof LSymbol){var a=e.valueOf();O("[t 1");if(t[a]){if(t[a]instanceof Pair){var c=t[a],l=c.car,f=c.cdr;if(i){var _=l.car,p=l.cdr;if(p!==_nil){n(a,new Pair(p,_nil))}return _}if(f!==_nil){n(a,f)}return l}else if(t[a]instanceof Array){n(a,t[a].slice(1));return t[a][0]}}return B(a)}if(e instanceof Pair){if(e.car instanceof LSymbol&&e.cdr instanceof Pair&&LSymbol.is(e.cdr.car,C)){O("[t 2");var o=e.car.valueOf();var u=t[o];O({expr:e.toString(true),name:o,bindings:t,item:u});if(u===null){return}else if(u){O({b:t[o].toString()});if(u instanceof Pair){O("[t 2 Pair "+i);O({______:u.toString()});var s=u.car,h=u.cdr;if(i){if(h!==_nil){O("|| next 1");n(o,h)}O({car:s.toString()});return s}else{if(s.cdr!==_nil){O("|| next 2");n(o,new Pair(s.cdr,h))}O({car:s.car.toString()});return s.car}}else if(u instanceof Array){O("[t 2 Array "+i);if(i){n(o,u.slice(1));return Pair.fromArray(u)}else{var d=u.slice(1);if(d.length){n(o,d)}return u[0]}}else{return u}}}O("[t 3 recur "+e.toString());var m=I(e.car,t,r,n);var y=I(e.cdr,t,r,n);return new Pair(m,y)}return e}function j(t,r){var e=Object.values(t);var n=Object.getOwnPropertySymbols(t);if(n.length){e.push.apply(e,_toConsumableArray(n.map(function(e){return t[e]})))}return e.length&&e.every(function(e){if(e===null){return!r}return e instanceof Pair||e===_nil||e instanceof Array&&e.length})}function R(e){return Object.keys(e).concat(Object.getOwnPropertySymbols(e))}function N(i){var n=arguments.length>1&&arguments[1]!==undefined?arguments[1]:{},e=n.disabled;O("traverse>> "+toString(i));if(i instanceof Pair){if(!e&&i.car instanceof Pair&&LSymbol.is(i.car.car,C)){return N(i.car.cdr,{disabled:true})}if(i.cdr instanceof Pair&&LSymbol.is(i.cdr.car,C)&&!e){O(">> 1");var t=k["..."].symbols;var l=Object.values(t);if(l.length&&l.every(function(e){return e===null})){return N(i.cdr.cdr,{disabled:e})}var f=R(t);var a=i.car instanceof LSymbol&&LSymbol.is(i.cdr.cdr.car,C);if(i.car instanceof Pair||a){if(k["..."].lists[0]===_nil){return _nil}var _=i.car;if(a){_=new Pair(i.car,new Pair(i.cdr.car,_nil))}O(">> 2");var o;if(f.length){O(">> 2 (a)");var u=_objectSpread({},t);o=_nil;var p=function e(){if(!j(u)){return"break"}var n={};var t=function e(t,r){n[t]=r};var r=I(_,u,{nested:true},t);if(r!==undefined){if(a){if(o===_nil){o=r}else{o=o.append(r)}}else{o=new Pair(r,o)}}u=n};while(true){var h=p();if(h==="break")break}if(o!==_nil&&!a){o=o.reverse()}if(i.cdr.cdr!==_nil&&!LSymbol.is(i.cdr.cdr.car,C)){var d=N(i.cdr.cdr,{disabled:e});return o.append(d)}return o}else{O(">> 3");var m=I(i.car,t,{nested:true});if(m){return new Pair(m,_nil)}return _nil}}else if(i.car instanceof LSymbol){O(">> 4");if(LSymbol.is(i.cdr.cdr.car,C)){O(">> 4 (a)")}else{O(">> 4 (b)")}var y=i.car.__name__;var s=_defineProperty({},y,t[y]);var v=t[y]===null;var c=_nil;var g=function e(){if(!j(s,true)){O({bind:s});return"break"}var n={};var t=function e(t,r){n[t]=r};var r=I(i,s,{nested:false},t);O({value:r.toString()});if(typeof r!=="undefined"){c=new Pair(r,c)}s=n};while(true){var b=g();if(b==="break")break}if(c!==_nil){c=c.reverse()}if(i.cdr instanceof Pair){if(i.cdr.cdr instanceof Pair||i.cdr.cdr instanceof LSymbol){var w=N(i.cdr.cdr,{disabled:e});if(v){return w}O("<<<< 1");c.append(w)}}O("<<<< 2");return c}}var D=N(i.car,{disabled:e});var r;var x;if(i.car instanceof LSymbol){var E=P.get(i.car,{throwError:false});x=E instanceof Macro&&E.__name__==="syntax-rules"}if(x){if(i.cdr.car instanceof LSymbol){r=new Pair(N(i.cdr.car,{disabled:e}),new Pair(i.cdr.cdr.car,N(i.cdr.cdr.cdr,{disabled:e})))}else{r=new Pair(i.cdr.car,N(i.cdr.cdr,{disabled:e}))}O("REST >>>> "+r.toString())}else{r=N(i.cdr,{disabled:e})}O({a:true,car:toString(i.car),cdr:toString(i.cdr),head:toString(D),rest:toString(r)});return new Pair(D,r)}if(i instanceof LSymbol){if(e&&LSymbol.is(i,C)){return i}var L=Object.keys(k["..."].symbols);var A=i.literal();if(L.includes(A)){var S="missing ellipsis symbol next to name `".concat(A,"'");throw new Error("syntax-rules: ".concat(S))}var F=B(i);if(typeof F!=="undefined"){return F}}return i}return N(t,{})}function is_null(e){return is_undef(e)||e===_nil||e===null}function is_function(e){return typeof e==="function"&&typeof e.bind==="function"}function is_continuation(e){return e instanceof Continuation}function is_context(e){return e instanceof 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t.then}if(is_plain_object(t)){return map_object(t,unbox)}return t}function patch_value(e,t){if(e instanceof Pair){e.markCycles();return quote(e)}if(is_function(e)){if(t){return bind(e,t)}}return box(e)}function unbind(e){if(is_bound(e)){return e[__fn__]}return e}function bind(e,t){if(e[Symbol["for"]("__bound__")]){return e}var r=e.bind(t);var n=Object.getOwnPropertyNames(e);var i=_createForOfIteratorHelper(n),a;try{for(i.s();!(a=i.n()).done;){var o=a.value;if(filter_fn_names(o)){try{r[o]=e[o]}catch(e){}}}}catch(e){i.e(e)}finally{i.f()}hidden_prop(r,"__fn__",e);hidden_prop(r,"__context__",t);hidden_prop(r,"__bound__",true);if(is_native_function(e)){hidden_prop(r,"__native__",true)}if(is_plain_object(t)&&is_lambda(e)){hidden_prop(r,"__method__",true)}r.valueOf=function(){return e};return r}function is_object_bound(e){return is_bound(e)&&e[Symbol["for"]("__context__")]===Object}function is_bound(e){return!!(is_function(e)&&e[__fn__])}function lips_context(e){if(is_function(e)){var t=e[__context__];if(t&&(t===lips||t.constructor&&t.constructor.__class__)){return true}}return false}function is_port(e){return e instanceof InputPort||e instanceof OutputPort}function is_port_method(e){if(is_function(e)){if(is_port(e[__context__])){return true}}return false}var __context__=Symbol["for"]("__context__");var __fn__=Symbol["for"]("__fn__");var __data__=Symbol["for"]("__data__");var __ref__=Symbol["for"]("__ref__");var __cycles__=Symbol["for"]("__cycles__");var __class__=Symbol["for"]("__class__");var __method__=Symbol["for"]("__method__");var __prototype__=Symbol["for"]("__prototype__");var __lambda__=Symbol["for"]("__lambda__");var exluded_names=["name","length","caller","callee","arguments","prototype"];function filter_fn_names(e){return!exluded_names.includes(e)}function hidden_prop(e,t,r){Object.defineProperty(e,Symbol["for"](t),{get:function e(){return r},set:function e(){},configurable:false,enumerable:false})}function set_fn_length(t,r){try{Object.defineProperty(t,"length",{get:function e(){return r}});return t}catch(e){var n=new Array(r).fill(0).map(function(e,t){return"a"+t}).join(",");var i=new Function("f","return function(".concat(n,") {\n                return f.apply(this, arguments);\n            };"));return i(t)}}function is_lambda(e){return e&&e[__lambda__]}function is_method(e){return e&&e[__method__]}function is_raw_lambda(e){return is_lambda(e)&&!e[__prototype__]&&!is_method(e)&&!is_port_method(e)}function is_native_function(e){var t=Symbol["for"]("__native__");return is_function(e)&&e.toString().match(/\{\s*\[native code\]\s*\}/)&&(e.name.match(/^bound /)&&e[t]===true||!e.name.match(/^bound /)&&!e[t])}function let_macro(e){var b;switch(e){case Symbol["for"]("letrec"):b="letrec";break;case Symbol["for"]("let"):b="let";break;case Symbol["for"]("let*"):b="let*";break;default:throw new Error("Invalid let_macro value")}return Macro.defmacro(b,function(t,e){var l=e.dynamic_env;var f=e.error,n=e.macro_expand,y=e.use_dynamic;var _;if(t.car instanceof LSymbol){if(!(t.cdr.car instanceof Pair||t.cdr.car===_nil)){throw new Error("let require list of pairs")}var r;if(t.cdr.car===_nil){_=_nil;r=_nil}else{r=t.cdr.car.map(function(e){return e.car});_=t.cdr.car.map(function(e){return e.cdr.car})}return Pair.fromArray([LSymbol("letrec"),[[t.car,Pair(LSymbol("lambda"),Pair(r,t.cdr.cdr))]],Pair(t.car,_)])}else if(n){return}var p=this;_=global_env.get("list->array")(t.car);var h=p.inherit(b);var d,m;if(b==="let*"){m=h}else if(b==="let"){d=[]}var v=0;function g(){var e=new Pair(new LSymbol("begin"),t.cdr);return _evaluate(e,{env:h,dynamic_env:h,use_dynamic:y,error:f})}return function t(){var r=_[v++];l=b==="let*"?h:p;if(!r){if(d&&d.length){var e=d.map(function(e){return e.value});var n=e.filter(is_promise);if(n.length){return promise_all(e).then(function(e){for(var t=0,r=e.length;t<r;++t){h.set(d[t].name,e[t])}}).then(g)}else{var i=_createForOfIteratorHelper(d),a;try{for(i.s();!(a=i.n()).done;){var o=a.value,u=o.name,s=o.value;h.set(u,s)}}catch(e){i.e(e)}finally{i.f()}}}return g()}else{if(b==="let"){m=p}else if(b==="letrec"){m=h}var c=_evaluate(r.cdr.car,{env:m,dynamic_env:l,use_dynamic:y,error:f});if(b==="let*"){m=h=m.inherit("let*["+v+"]")}if(d){d.push({name:r.car,value:c});return t()}else{return unpromise(c,function(e){h.set(r.car,e);return t()})}}}()})}function parallel(e,c){return new Macro(e,function(e){var t=arguments.length>1&&arguments[1]!==undefined?arguments[1]:{},r=t.use_dynamic,n=t.error;var i=this;var a=this;var o=[];var u=e;while(u instanceof Pair){o.push(_evaluate(u.car,{env:i,dynamic_env:a,use_dynamic:r,error:n}));u=u.cdr}var s=o.filter(is_promise).length;if(s){return promise_all(o).then(c.bind(this))}else{return c.call(this,o)}})}function guard_math_call(e){for(var t=arguments.length,r=new Array(t>1?t-1:0),n=1;n<t;n++){r[n-1]=arguments[n]}r.forEach(function(e){typecheck("",e,"number")});return e.apply(void 0,r)}function pipe(){var n=this;for(var e=arguments.length,i=new Array(e),t=0;t<e;t++){i[t]=arguments[t]}i.forEach(function(e,t){typecheck("pipe",e,"function",t+1)});return function(){for(var e=arguments.length,t=new Array(e),r=0;r<e;r++){t[r]=arguments[r]}return i.reduce(function(e,t){return[t.apply(n,e)]},t)[0]}}function compose(){for(var e=arguments.length,t=new Array(e),r=0;r<e;r++){t[r]=arguments[r]}t.forEach(function(e,t){typecheck("compose",e,"function",t+1)});return pipe.apply(void 0,_toConsumableArray(t.reverse()))}function fold(o,u){var s=this;return function e(t,r){typecheck(o,t,"function");for(var n=arguments.length,i=new Array(n>2?n-2:0),a=2;a<n;a++){i[a-2]=arguments[a]}if(i.some(is_null)){if(typeof r==="number"){return LNumber(r)}return r}else{return u.call.apply(u,[s,e,t,r].concat(i))}}}function limit_math_op(e,t){return limit(e+1,curry(guard_math_call,t))}var single_math_op=curry(limit_math_op,1);var binary_math_op=curry(limit_math_op,2);function reduce_math_op(n){var i=arguments.length>1&&arguments[1]!==undefined?arguments[1]:null;return function(){for(var e=arguments.length,t=new Array(e),r=0;r<e;r++){t[r]=arguments[r]}if(i!==null){t=[i].concat(_toConsumableArray(t))}return t.reduce(binary_math_op(n))}}function curry(a){for(var e=arguments.length,t=new Array(e>1?e-1:0),r=1;r<e;r++){t[r-1]=arguments[r]}typecheck("curry",a,"function");var o=a.length;return function(){var n=t.slice();function i(){for(var e=arguments.length,t=new Array(e),r=0;r<e;r++){t[r]=arguments[r]}n=n.concat(t);if(n.length>=o){return a.apply(this,n)}else{return i}}return i.apply(this,arguments)}}function limit(n,i){typecheck("limit",i,"function",2);return function(){for(var e=arguments.length,t=new Array(e),r=0;r<e;r++){t[r]=arguments[r]}return i.apply(void 0,_toConsumableArray(t.slice(0,n)))}}function LCharacter(e){if(typeof this!=="undefined"&&!(this instanceof LCharacter)||typeof this==="undefined"){return new LCharacter(e)}if(e instanceof LString){e=e.valueOf()}var t;if(Array.from(e).length>1){e=e.toLowerCase();if(LCharacter.__names__[e]){t=e;e=LCharacter.__names__[e]}else{throw new Error("Internal: Unknown named character")}}else{t=LCharacter.__rev_names__[e]}Object.defineProperty(this,"__char__",{value:e,enumerable:true});if(t){Object.defineProperty(this,"__name__",{value:t,enumerable:true})}}LCharacter.__names__=characters;LCharacter.__rev_names__={};Object.keys(LCharacter.__names__).forEach(function(e){var t=LCharacter.__names__[e];LCharacter.__rev_names__[t]=e});LCharacter.prototype.toUpperCase=function(){return LCharacter(this.__char__.toUpperCase())};LCharacter.prototype.toLowerCase=function(){return LCharacter(this.__char__.toLowerCase())};LCharacter.prototype.toString=function(){return"#\\"+(this.__name__||this.__char__)};LCharacter.prototype.valueOf=LCharacter.prototype.serialize=function(){return this.__char__};function LString(e){if(typeof this!=="undefined"&&!(this instanceof LString)||typeof this==="undefined"){return new LString(e)}if(e instanceof Array){this.__string__=e.map(function(e,t){typecheck("LString",e,"character",t+1);return e.toString()}).join("")}else{this.__string__=e.valueOf()}}{var ignore=["length","constructor"];var _keys=Object.getOwnPropertyNames(String.prototype).filter(function(e){return!ignore.includes(e)});var wrap=function e(n){return function(){for(var e=arguments.length,t=new Array(e),r=0;r<e;r++){t[r]=arguments[r]}return n.apply(this.__string__,t)}};var _iterator11=_createForOfIteratorHelper(_keys),_step11;try{for(_iterator11.s();!(_step11=_iterator11.n()).done;){var key=_step11.value;LString.prototype[key]=wrap(String.prototype[key])}}catch(e){_iterator11.e(e)}finally{_iterator11.f()}}LString.prototype[Symbol.iterator]=_regeneratorRuntime.mark(function e(){var r,n,i,a;return _regeneratorRuntime.wrap(function e(t){while(1){switch(t.prev=t.next){case 0:r=Array.from(this.__string__);n=0,i=r;case 2:if(!(n<i.length)){t.next=9;break}a=i[n];t.next=6;return LCharacter(a);case 6:n++;t.next=2;break;case 9:case"end":return t.stop()}}},e,this)});LString.prototype.serialize=function(){return this.valueOf()};LString.isString=function(e){return e instanceof LString||typeof e==="string"};LString.prototype.get=function(e){typecheck("LString::get",e,"number");return Array.from(this.__string__)[e.valueOf()]};LString.prototype.cmp=function(e){typecheck("LString::cmp",e,"string");var t=this.valueOf();var r=e.valueOf();if(t<r){return-1}else if(t===r){return 0}else{return 1}};LString.prototype.lower=function(){return LString(this.__string__.toLowerCase())};LString.prototype.upper=function(){return LString(this.__string__.toUpperCase())};LString.prototype.set=function(e,t){typecheck("LString::set",e,"number");typecheck("LString::set",t,["string","character"]);e=e.valueOf();if(t instanceof LCharacter){t=t.__char__}var r=[];if(e>0){r.push(this.__string__.substring(0,e))}r.push(t);if(e<this.__string__.length-1){r.push(this.__string__.substring(e+1))}this.__string__=r.join("")};Object.defineProperty(LString.prototype,"length",{get:function e(){return this.__string__.length}});LString.prototype.clone=function(){return LString(this.valueOf())};LString.prototype.fill=function(e){typecheck("LString::fill",e,["string","character"]);if(e instanceof LCharacter){e=e.toString()}var t=this.__string__.length;this.__string__=new Array(t+1).join(e)};function LNumber(e){var t=arguments.length>1&&arguments[1]!==undefined?arguments[1]:false;if(e instanceof LNumber){return e}if(typeof this!=="undefined"&&!(this instanceof LNumber)||typeof this==="undefined"){return new LNumber(e,t)}if(typeof e==="undefined"){throw new Error("Invalid LNumber constructor call")}var r=LNumber.getType(e);if(LNumber.types[r]){return LNumber.types[r](e,t)}var n=e instanceof Array&&LString.isString(e[0])&&LNumber.isNumber(e[1]);if(e instanceof LNumber){return LNumber(e.value)}if(!LNumber.isNumber(e)&&!n){throw new Error("You can't create LNumber from ".concat(type(e)))}if(e===null){e=0}var i;if(n){var c=e,a=_slicedToArray(c,2),o=a[0],u=a[1];if(o instanceof LString){o=o.valueOf()}if(u instanceof LNumber){u=u.valueOf()}var l=o.match(/^([+-])/);var f=false;if(l){o=o.replace(/^[+-]/,"");if(l[1]==="-"){f=true}}}if(Number.isNaN(e)){return LFloat(e)}else if(typeof BigInt!=="undefined"){if(typeof e!=="bigint"){if(n){var s;switch(u){case 8:s="0o";break;case 16:s="0x";break;case 2:s="0b";break;case 10:s="";break}if(typeof s==="undefined"){var _=BigInt(u);i=_toConsumableArray(o).map(function(e,t){return BigInt(parseInt(e,u))*pow(_,BigInt(t))}).reduce(function(e,t){return e+t})}else{i=BigInt(s+o)}}else{i=BigInt(e)}if(f){i*=BigInt(-1)}}else{i=e}return LBigInteger(i,true)}else if(typeof BN!=="undefined"&&!(e instanceof BN)){if(e instanceof Array){return LBigInteger(_construct(BN,_toConsumableArray(e)))}return LBigInteger(new BN(e))}else if(n){this.constant(parseInt(o,u),"integer")}else{this.constant(e,"integer")}}LNumber.prototype.constant=function(e,t){Object.defineProperty(this,"__value__",{value:e,enumerable:true});Object.defineProperty(this,"__type__",{value:t,enumerable:true})};LNumber.types={float:function e(t){return new LFloat(t)},complex:function e(t){var r=arguments.length>1&&arguments[1]!==undefined?arguments[1]:false;if(!LNumber.isComplex(t)){t={im:0,re:t}}return new LComplex(t,r)},rational:function e(t){var r=arguments.length>1&&arguments[1]!==undefined?arguments[1]:false;if(!LNumber.isRational(t)){t={num:t,denom:1}}return new LRational(t,r)}};LNumber.prototype.serialize=function(){return this.__value__};LNumber.prototype.isNaN=function(){return Number.isNaN(this.__value__)};LNumber.prototype.gcd=function(e){var t=this.abs();e=e.abs();if(e.cmp(t)===1){var r=t;t=e;e=r}while(true){t=t.rem(e);if(t.cmp(0)===0){return e}e=e.rem(t);if(e.cmp(0)===0){return t}}};LNumber.isFloat=function e(t){return t instanceof LFloat||Number(t)===t&&t%1!==0};LNumber.isNumber=function(e){return e instanceof LNumber||LNumber.isNative(e)||LNumber.isBN(e)};LNumber.isComplex=function(e){if(!e){return false}var t=e instanceof LComplex||(LNumber.isNumber(e.im)||Number.isNaN(e.im))&&(LNumber.isNumber(e.re)||Number.isNaN(e.re));return t};LNumber.isRational=function(e){if(!e){return false}return e instanceof LRational||LNumber.isNumber(e.num)&&LNumber.isNumber(e.denom)};LNumber.isInteger=function(e){if(!(LNumber.isNative(e)||e instanceof LNumber)){return false}if(LNumber.isFloat(e)){return false}if(LNumber.isRational(e)){return false}if(LNumber.isComplex(e)){return false}return true};LNumber.isNative=function(e){return typeof e==="bigint"||typeof e==="number"};LNumber.isBigInteger=function(e){return e instanceof LBigInteger||typeof e==="bigint"||LNumber.isBN(e)};LNumber.isBN=function(e){return typeof BN!=="undefined"&&e instanceof BN};LNumber.getArgsType=function(e,t){if(e instanceof LFloat||t instanceof LFloat){return LFloat}if(e instanceof LBigInteger||t instanceof LBigInteger){return LBigInteger}return LNumber};LNumber.prototype.toString=function(e){if(Number.isNaN(this.__value__)){return"+nan.0"}if(e>=2&&e<36){return this.__value__.toString(e)}return this.__value__.toString()};LNumber.prototype.asType=function(e){var t=LNumber.getType(this);return LNumber.types[t]?LNumber.types[t](e):LNumber(e)};LNumber.prototype.isBigNumber=function(){return typeof this.__value__==="bigint"||typeof BN!=="undefined"&&!(this.value instanceof BN)};["floor","ceil","round"].forEach(function(e){LNumber.prototype[e]=function(){if(this["float"]||LNumber.isFloat(this.__value__)){return LNumber(Math[e](this.__value__))}else{return LNumber(Math[e](this.valueOf()))}}});LNumber.prototype.valueOf=function(){if(LNumber.isNative(this.__value__)){return Number(this.__value__)}else if(LNumber.isBN(this.__value__)){return this.__value__.toNumber()}};var matrix=function(){var e=function e(t,r){return[t,r]};return{bigint:{bigint:e,float:function e(t,r){return[LFloat(t.valueOf()),r]},rational:function e(t,r){return[{num:t,denom:1},r]},complex:function e(t,r){return[{im:0,re:t},r]}},integer:{integer:e,float:function e(t,r){return[LFloat(t.valueOf()),r]},rational:function e(t,r){return[{num:t,denom:1},r]},complex:function e(t,r){return[{im:0,re:t},r]}},float:{bigint:function e(t,r){return[t,r&&LFloat(r.valueOf())]},integer:function e(t,r){return[t,r&&LFloat(r.valueOf())]},float:e,rational:function e(t,r){return[t,r&&LFloat(r.valueOf())]},complex:function e(t,r){return[{re:t,im:LFloat(0)},r]}},complex:{bigint:t("bigint"),integer:t("integer"),float:t("float"),rational:t("rational"),complex:function l(e,t){var r=LNumber.coerce(e.__re__,t.__re__),n=_slicedToArray(r,2),i=n[0],a=n[1];var o=LNumber.coerce(e.__im__,t.__im__),u=_slicedToArray(o,2),s=u[0],c=u[1];return[{im:s,re:i},{im:c,re:a}]}},rational:{bigint:function e(t,r){return[t,r&&{num:r,denom:1}]},integer:function e(t,r){return[t,r&&{num:r,denom:1}]},float:function e(t,r){return[LFloat(t.valueOf()),r]},rational:e,complex:function e(t,r){return[{im:coerce(t.__type__,r.__im__.__type__,0)[0],re:coerce(t.__type__,r.__re__.__type__,t)[0]},{im:coerce(t.__type__,r.__im__.__type__,r.__im__)[0],re:coerce(t.__type__,r.__re__.__type__,r.__re__)[0]}]}}};function t(r){return function(e,t){return[{im:coerce(r,e.__im__.__type__,0,e.__im__)[1],re:coerce(r,e.__re__.__type__,0,e.__re__)[1]},{im:coerce(r,e.__im__.__type__,0,0)[1],re:coerce(r,t.__type__,0,t)[1]}]}}}();function coerce(e,t,r,n){return matrix[e][t](r,n)}LNumber.coerce=function(e,t){var r=LNumber.getType(e);var n=LNumber.getType(t);if(!matrix[r]){throw new Error("LNumber::coerce unknown lhs type ".concat(r))}else if(!matrix[r][n]){throw new Error("LNumber::coerce unknown rhs type ".concat(n))}var i=matrix[r][n](e,t);return i.map(function(e){return LNumber(e,true)})};LNumber.prototype.coerce=function(e){if(!(typeof e==="number"||e instanceof LNumber)){throw new Error("LNumber: you can't coerce ".concat(type(e)))}if(typeof e==="number"){e=LNumber(e)}return LNumber.coerce(this,e)};LNumber.getType=function(e){if(e instanceof LNumber){return e.__type__}if(LNumber.isFloat(e)){return"float"}if(LNumber.isComplex(e)){return"complex"}if(LNumber.isRational(e)){return"rational"}if(typeof e==="number"){return"integer"}if(typeof BigInt!=="undefined"&&typeof e!=="bigint"||typeof BN!=="undefined"&&!(e instanceof BN)){return"bigint"}};LNumber.prototype.isFloat=function(){return!!(LNumber.isFloat(this.__value__)||this["float"])};var mapping={add:"+",sub:"-",mul:"*",div:"/",rem:"%",or:"|",and:"&",neg:"~",shl:">>",shr:"<<"};var rev_mapping={};Object.keys(mapping).forEach(function(t){rev_mapping[mapping[t]]=t;LNumber.prototype[t]=function(e){return this.op(mapping[t],e)}});LNumber._ops={"*":function e(t,r){return t*r},"+":function e(t,r){return t+r},"-":function e(t,r){if(typeof r==="undefined"){return-t}return t-r},"/":function e(t,r){return t/r},"%":function e(t,r){return t%r},"|":function e(t,r){return t|r},"&":function e(t,r){return t&r},"~":function e(t){return~t},">>":function e(t,r){return t>>r},"<<":function e(t,r){return t<<r}};LNumber.prototype.op=function(e,t){if(typeof t==="undefined"){return LNumber(LNumber._ops[e](this.valueOf()))}if(typeof t==="number"){t=LNumber(t)}if(Number.isNaN(this.__value__)&&!LNumber.isComplex(t)||!LNumber.isComplex(this)&&Number.isNaN(t.__value__)){return LNumber(NaN)}var r=this.coerce(t),n=_slicedToArray(r,2),i=n[0],a=n[1];if(i._op){return i._op(e,a)}return LNumber(LNumber._ops[e](i,a))};LNumber.prototype.sqrt=function(){var e=this.valueOf();if(this.cmp(0)<0){var t=Math.sqrt(-e);return LComplex({re:0,im:t})}return LNumber(Math.sqrt(e))};var pow=function e(t,r){var n=typeof t==="bigint"?BigInt(1):1;return new Array(Number(r)).fill(0).reduce(function(e){return e*t},n)};var exp_op=new Function("a,b","return a ** b");try{if(exp_op(2,2)===4){pow=exp_op}}catch(e){}LNumber.prototype.pow=function(e){var t;var r=this.coerce(e),n=_slicedToArray(r,2),i=n[0],a=n[1];if(LNumber.isNative(i.__value__)&&LNumber.isNative(a.__value__)){t=pow(i.__value__,a.__value__)}else if(LNumber.isBN(i.__value__)&&LNumber.isBN(a.__value__)){t=this.__value__.pow(e.__value__)}else if(i.pow){return i.pow(a)}return LNumber(t)};LNumber.prototype.abs=function(){var e=this.__value__;if(LNumber.isNative(this.__value__)){if(e<0){e=-e}}else if(LNumber.isBN(e)){e.iabs()}return new LNumber(e)};LNumber.prototype.isOdd=function(){if(LNumber.isNative(this.__value__)){if(this.isBigNumber()){return this.__value__%BigInt(2)===BigInt(1)}if(this.__type__==="float"){throw new Error("Invalid number float")}return this.__value__%2===1}else if(LNumber.isBN(this.__value__)){return this.__value__.isOdd()}throw new Error("Invalid number ".concat(this.__type__))};LNumber.prototype.isEven=function(){return!this.isOdd()};LNumber.prototype.cmp=function(e){var t=this.coerce(e),r=_slicedToArray(t,2),n=r[0],i=r[1];function a(e,t){if(e.__value__<t.__value__){return-1}else if(e.__value__===t.__value__){return 0}else{return 1}}if(n.__type__==="bigint"){if(LNumber.isNative(n.__value__)){return a(n,i)}else if(LNumber.isBN(n.__value__)){return this.__value__.cmp(i.__value__)}}else if(n instanceof LFloat){return a(n,i)}};function LComplex(e){var t=arguments.length>1&&arguments[1]!==undefined?arguments[1]:false;if(typeof this!=="undefined"&&!(this instanceof LComplex)||typeof this==="undefined"){return new LComplex(e,t)}if(e instanceof LComplex){return LComplex({im:e.__im__,re:e.__re__})}if(LNumber.isNumber(e)&&t){if(!t){return Number(e)}}else if(!LNumber.isComplex(e)){var r="Invalid constructor call for LComplex expect &(:im <num> :re <num>) object but got ".concat(toString(e));throw new Error(r)}var n=e.im instanceof LNumber?e.im:LNumber(e.im);var i=e.re instanceof LNumber?e.re:LNumber(e.re);this.constant(n,i)}LComplex.prototype=Object.create(LNumber.prototype);LComplex.prototype.constructor=LComplex;LComplex.prototype.constant=function(e,t){Object.defineProperty(this,"__im__",{value:e,enumerable:true});Object.defineProperty(this,"__re__",{value:t,enumerable:true});Object.defineProperty(this,"__type__",{value:"complex",enumerable:true})};LComplex.prototype.serialize=function(){return{re:this.__re__,im:this.__im__}};LComplex.prototype.toRational=function(e){if(LNumber.isFloat(this.__im__)&&LNumber.isFloat(this.__re__)){var t=LFloat(this.__im__).toRational(e);var r=LFloat(this.__re__).toRational(e);return LComplex({im:t,re:r})}return this};LComplex.prototype.pow=function(e){throw new Error("Not yet implemented")};LComplex.prototype.add=function(e){return this.complex_op("add",e,function(e,t,r,n){return{re:e.add(t),im:r.add(n)}})};LComplex.prototype.factor=function(){if(this.__im__ instanceof LFloat||this.__im__ instanceof LFloat){var e=this.__re__,t=this.__im__;var r,n;if(e instanceof LFloat){r=e.toRational().mul(e.toRational())}else{r=e.mul(e)}if(t instanceof LFloat){n=t.toRational().mul(t.toRational())}else{n=t.mul(t)}return r.add(n)}else{return this.__re__.mul(this.__re__).add(this.__im__.mul(this.__im__))}};LComplex.prototype.modulus=function(){return this.factor().sqrt()};LComplex.prototype.conjugate=function(){return LComplex({re:this.__re__,im:this.__im__.sub()})};LComplex.prototype.sqrt=function(){var e=this.modulus();var t,r;if(e.cmp(0)===0){t=r=e}else if(this.__re__.cmp(0)===1){t=LFloat(.5).mul(e.add(this.__re__)).sqrt();r=this.__im__.div(t).div(2)}else{r=LFloat(.5).mul(e.sub(this.__re__)).sqrt();if(this.__im__.cmp(0)===-1){r=r.sub()}t=this.__im__.div(r).div(2)}return LComplex({im:r,re:t})};LComplex.prototype.div=function(e){if(LNumber.isNumber(e)&&!LNumber.isComplex(e)){if(!(e instanceof LNumber)){e=LNumber(e)}var t=this.__re__.div(e);var r=this.__im__.div(e);return LComplex({re:t,im:r})}else if(!LNumber.isComplex(e)){throw new Error("[LComplex::div] Invalid value")}if(this.cmp(e)===0){var n=this.coerce(e),i=_slicedToArray(n,2),l=i[0],a=i[1];var f=l.__im__.div(a.__im__);return f.coerce(a.__re__)[0]}var _=this.coerce(e),o=_slicedToArray(_,2),p=o[0],u=o[1];var s=u.factor();var h=u.conjugate();var c=p.mul(h);if(!LNumber.isComplex(c)){return c.div(s)}var d=c.__re__.op("/",s);var m=c.__im__.op("/",s);return LComplex({re:d,im:m})};LComplex.prototype.sub=function(e){return this.complex_op("sub",e,function(e,t,r,n){return{re:e.sub(t),im:r.sub(n)}})};LComplex.prototype.mul=function(e){return this.complex_op("mul",e,function(e,t,r,n){var i={re:e.mul(t).sub(r.mul(n)),im:e.mul(n).add(t.mul(r))};return i})};LComplex.prototype.complex_op=function(e,t,i){var a=this;var r=function e(t,r){var n=i(a.__re__,t,a.__im__,r);if("im"in n&&"re"in n){if(n.im.cmp(0)===0){return n.re}return LComplex(n,true)}return n};if(typeof t==="undefined"){return r()}if(LNumber.isNumber(t)&&!LNumber.isComplex(t)){if(!(t instanceof LNumber)){t=LNumber(t)}var n=t.asType(0);t={__im__:n,__re__:t}}else if(!LNumber.isComplex(t)){throw new Error("[LComplex::".concat(e,"] Invalid value"))}var o=t.__re__ instanceof LNumber?t.__re__:this.__re__.asType(t.__re__);var u=t.__im__ instanceof LNumber?t.__im__:this.__im__.asType(t.__im__);return r(o,u)};LComplex._op={"+":"add","-":"sub","*":"mul","/":"div"};LComplex.prototype._op=function(e,t){var r=LComplex._op[e];return this[r](t)};LComplex.prototype.cmp=function(e){throw new Error("Can't compare compex numbers")};LComplex.prototype.valueOf=function(){return[this.__re__,this.__im__].map(function(e){return e.valueOf()})};LComplex.prototype.toString=function(){var e;if(this.__re__.cmp(0)!==0){e=[toString(this.__re__)]}else{e=[]}var t=this.__im__.valueOf();var r=[Number.NEGATIVE_INFINITY,Number.POSITIVE_INFINITY].includes(t);var n=toString(this.__im__);if(!r&&!Number.isNaN(t)){var i=this.__im__.cmp(0);if(i<0||i===0&&this.__im__._minus){e.push("-")}else{e.push("+")}n=n.replace(/^-/,"")}e.push(n);e.push("i");return e.join("")};function LFloat(e){if(typeof this!=="undefined"&&!(this instanceof LFloat)||typeof this==="undefined"){return new LFloat(e)}if(!LNumber.isNumber(e)){throw new Error("Invalid constructor call for LFloat")}if(e instanceof LNumber){return LFloat(e.valueOf())}if(typeof e==="number"){if(Object.is(e,-0)){Object.defineProperty(this,"_minus",{value:true})}this.constant(e,"float")}}LFloat.prototype=Object.create(LNumber.prototype);LFloat.prototype.constructor=LFloat;LFloat.prototype.toString=function(){if(this.__value__===Number.NEGATIVE_INFINITY){return"-inf.0"}if(this.__value__===Number.POSITIVE_INFINITY){return"+inf.0"}if(Number.isNaN(this.__value__)){return"+nan.0"}var e=this.__value__.toString();if(!LNumber.isFloat(this.__value__)&&!e.match(/e/i)){var t=e+".0";return this._minus?"-"+t:t}return e.replace(/^([0-9]+)e/,"$1.0e")};LFloat.prototype._op=function(e,t){if(t instanceof LNumber){t=t.__value__}var r=LNumber._ops[e];if(e==="/"&&this.__value__===0&&t===0){return NaN}return LFloat(r(this.__value__,t))};LFloat.prototype.toRational=function(){var e=arguments.length>0&&arguments[0]!==undefined?arguments[0]:null;if(e===null){return toRational(this.__value__.valueOf())}return approxRatio(e.valueOf())(this.__value__.valueOf())};LFloat.prototype.sqrt=function(){var e=this.valueOf();if(this.cmp(0)<0){var t=LFloat(Math.sqrt(-e));return LComplex({re:0,im:t})}return LFloat(Math.sqrt(e))};LFloat.prototype.abs=function(){var e=this.valueOf();if(e<0){e=-e}return LFloat(e)};var toRational=approxRatio(1e-10);function approxRatio(n){return function(e){var t=function e(n,t,r){var i=function e(t,r){return r<n?t:e(r,t%r)};if(Number.isNaN(t)||Number.isNaN(r)){return NaN}return i(Math.abs(t),Math.abs(r))},r=t(n?n:1/1e4,1,e);return LRational({num:Math.floor(e/r),denom:Math.floor(1/r)})}}function rationalize(e,t){var r=e.sub(t);var n=e.add(t);var i;if(r.cmp(n)>0){i=simplest_rational2(n,r)}else if(n.cmp(r)<=0){i=r}else if(r.cmp(0)>0){i=simplest_rational2(r,n)}else if(t.cmp(0)<0){i=LNumber(simplest_rational2(n.sub(),r.sub())).sub()}else{i=LNumber(0)}if(LNumber.isFloat(t)||LNumber.isFloat(e)){return LFloat(i)}return i}function simplest_rational2(e,t){var r=LNumber(e).floor();var n=LNumber(t).floor();if(e.cmp(r)<1){return r}else if(r.cmp(n)===0){var i=LNumber(1).div(t.sub(n));var a=LNumber(1).div(e.sub(r));return r.add(LNumber(1).div(simplest_rational2(i,a)))}else{return r.add(LNumber(1))}}function LRational(e){var t=arguments.length>1&&arguments[1]!==undefined?arguments[1]:false;if(typeof this!=="undefined"&&!(this instanceof LRational)||typeof this==="undefined"){return new LRational(e,t)}if(!LNumber.isRational(e)){throw new Error("Invalid constructor call for LRational")}var r,n;if(e instanceof LRational){r=LNumber(e.__num__);n=LNumber(e.__denom__)}else{r=LNumber(e.num);n=LNumber(e.denom)}if(!t&&n.cmp(0)!==0){var i=r.op("%",n).cmp(0)===0;if(i){return LNumber(r.div(n))}}this.constant(r,n)}LRational.prototype=Object.create(LNumber.prototype);LRational.prototype.constructor=LRational;LRational.prototype.constant=function(e,t){Object.defineProperty(this,"__num__",{value:e,enumerable:true});Object.defineProperty(this,"__denom__",{value:t,enumerable:true});Object.defineProperty(this,"__type__",{value:"rational",enumerable:true})};LRational.prototype.serialize=function(){return{num:this.__num__,denom:this.__denom__}};LRational.prototype.pow=function(e){var t=e.cmp(0);if(t===0){return LNumber(1)}if(t===-1){e=e.sub();var r=this.__denom__.pow(e);var n=this.__num__.pow(e);return LRational({num:r,denom:n})}var i=this;e=e.valueOf();while(e>1){i=i.mul(this);e--}return i};LRational.prototype.sqrt=function(){var e=this.__num__.sqrt();var t=this.__denom__.sqrt();if(e instanceof LFloat||t instanceof LFloat){return e.div(t)}return LRational({num:e,denom:t})};LRational.prototype.abs=function(){var e=this.__num__;var t=this.__denom__;if(e.cmp(0)===-1){e=e.sub()}if(t.cmp(0)!==1){t=t.sub()}return LRational({num:e,denom:t})};LRational.prototype.cmp=function(e){return LNumber(this.valueOf(),true).cmp(e)};LRational.prototype.toString=function(){var e=this.__num__.gcd(this.__denom__);var t,r;if(e.cmp(1)!==0){t=this.__num__.div(e);if(t instanceof LRational){t=LNumber(t.valueOf(true))}r=this.__denom__.div(e);if(r instanceof LRational){r=LNumber(r.valueOf(true))}}else{t=this.__num__;r=this.__denom__}var n=this.cmp(0)<0;if(n){if(t.abs().cmp(r.abs())===0){return t.toString()}}else if(t.cmp(r)===0){return t.toString()}return t.toString()+"/"+r.toString()};LRational.prototype.valueOf=function(e){if(this.__denom__.cmp(0)===0){if(this.__num__.cmp(0)<0){return Number.NEGATIVE_INFINITY}return Number.POSITIVE_INFINITY}if(e){return LNumber._ops["/"](this.__num__.value,this.__denom__.value)}return LFloat(this.__num__.valueOf()).div(this.__denom__.valueOf())};LRational.prototype.mul=function(e){if(!(e instanceof LNumber)){e=LNumber(e)}if(LNumber.isRational(e)){var t=this.__num__.mul(e.__num__);var r=this.__denom__.mul(e.__denom__);return LRational({num:t,denom:r})}var n=LNumber.coerce(this,e),i=_slicedToArray(n,2),a=i[0],o=i[1];return a.mul(o)};LRational.prototype.div=function(e){if(!(e instanceof LNumber)){e=LNumber(e)}if(LNumber.isRational(e)){var t=this.__num__.mul(e.__denom__);var r=this.__denom__.mul(e.__num__);return LRational({num:t,denom:r})}var n=LNumber.coerce(this,e),i=_slicedToArray(n,2),a=i[0],o=i[1];var u=a.div(o);return u};LRational.prototype._op=function(e,t){return this[rev_mapping[e]](t)};LRational.prototype.sub=function(e){if(typeof e==="undefined"){return this.mul(-1)}if(!(e instanceof LNumber)){e=LNumber(e)}if(LNumber.isRational(e)){var t=e.__num__.sub();var r=e.__denom__;return this.add(LRational({num:t,denom:r}))}if(!(e instanceof LNumber)){e=LNumber(e).sub()}else{e=e.sub()}var n=LNumber.coerce(this,e),i=_slicedToArray(n,2),a=i[0],o=i[1];return a.add(o)};LRational.prototype.add=function(e){if(!(e instanceof LNumber)){e=LNumber(e)}if(LNumber.isRational(e)){var t=this.__denom__;var r=e.__denom__;var n=this.__num__;var i=e.__num__;var a,o;if(t!==r){o=r.mul(n).add(i.mul(t));a=t.mul(r)}else{o=n.add(i);a=t}return LRational({num:o,denom:a})}if(LNumber.isFloat(e)){return LFloat(this.valueOf()).add(e)}var u=LNumber.coerce(this,e),s=_slicedToArray(u,2),c=s[0],l=s[1];return c.add(l)};function LBigInteger(e,t){if(typeof this!=="undefined"&&!(this instanceof LBigInteger)||typeof this==="undefined"){return new LBigInteger(e,t)}if(e instanceof LBigInteger){return LBigInteger(e.__value__,e._native)}if(!LNumber.isBigInteger(e)){throw new Error("Invalid constructor call for LBigInteger")}this.constant(e,"bigint");Object.defineProperty(this,"_native",{value:t})}LBigInteger.prototype=Object.create(LNumber.prototype);LBigInteger.prototype.constructor=LBigInteger;LBigInteger.bn_op={"+":"iadd","-":"isub","*":"imul","/":"idiv","%":"imod","|":"ior","&":"iand","~":"inot","<<":"ishrn",">>":"ishln"};LBigInteger.prototype.serialize=function(){return this.__value__.toString()};LBigInteger.prototype._op=function(e,t){if(typeof t==="undefined"){if(LNumber.isBN(this.__value__)){e=LBigInteger.bn_op[e];return LBigInteger(this.__value__.clone()[e](),false)}return LBigInteger(LNumber._ops[e](this.__value__),true)}if(LNumber.isBN(this.__value__)&&LNumber.isBN(t.__value__)){e=LBigInteger.bn_op[e];return LBigInteger(this.__value__.clone()[e](t),false)}var r=LNumber._ops[e](this.__value__,t.__value__);if(e==="/"){var n=this.op("%",t).cmp(0)===0;if(n){return LNumber(r)}return LRational({num:this,denom:t})}return LBigInteger(r,true)};LBigInteger.prototype.sqrt=function(){var e;var t=this.cmp(0)<0;if(LNumber.isNative(this.__value__)){e=LNumber(Math.sqrt(t?-this.valueOf():this.valueOf()))}else if(LNumber.isBN(this.__value__)){e=t?this.__value__.neg().sqrt():this.__value__.sqrt()}if(t){return LComplex({re:0,im:e})}return e};LNumber.NaN=LNumber(NaN);function InputPort(e){var n=this;if(typeof this!=="undefined"&&!(this instanceof InputPort)||typeof this==="undefined"){return new InputPort(e)}typecheck("InputPort",e,"function");read_only(this,"__type__",text_port);var i;Object.defineProperty(this,"__parser__",{enumerable:true,get:function e(){return i},set:function e(t){typecheck("InputPort::__parser__",t,"parser");i=t}});this._read=e;this._with_parser=this._with_init_parser.bind(this,_asyncToGenerator(_regeneratorRuntime.mark(function e(){var r;return _regeneratorRuntime.wrap(function e(t){while(1){switch(t.prev=t.next){case 0:if(n.char_ready()){t.next=5;break}t.next=3;return n._read();case 3:r=t.sent;i=new Parser(r,{env:n});case 5:return t.abrupt("return",n.__parser__);case 6:case"end":return t.stop()}}},e)})));this.char_ready=function(){return!!this.__parser__&&this.__parser__.__lexer__.peek()!==eof};this._make_defaults()}InputPort.prototype._make_defaults=function(){this.read=this._with_parser(function(e){return e.read_object()});this.read_line=this._with_parser(function(e){return e.__lexer__.read_line()});this.read_char=this._with_parser(function(e){return e.__lexer__.read_char()});this.read_string=this._with_parser(function(e,t){if(!LNumber.isInteger(t)){var r=LNumber.getType(t);typeErrorMessage("read-string",r,"integer")}return e.__lexer__.read_string(t.valueOf())});this.peek_char=this._with_parser(function(e){return e.__lexer__.peek_char()})};InputPort.prototype._with_init_parser=function(u,s){var c=this;return _asyncToGenerator(_regeneratorRuntime.mark(function e(){var r,n,i,a,o=arguments;return _regeneratorRuntime.wrap(function e(t){while(1){switch(t.prev=t.next){case 0:t.next=2;return u.call(c);case 2:r=t.sent;for(n=o.length,i=new Array(n),a=0;a<n;a++){i[a]=o[a]}return t.abrupt("return",s.apply(void 0,[r].concat(i)));case 5:case"end":return t.stop()}}},e)}))};InputPort.prototype.is_open=function(){return this._with_parser!==null};InputPort.prototype.close=function(){var t=this;this.__parser__=null;this._with_parser=null;["read","close","read_char","peek-char","read_line"].forEach(function(e){t[e]=function(){throw new Error("input-port: port is closed")}});this.char_ready=function(){return false}};InputPort.prototype.toString=function(){return"#<input-port>"};function OutputPort(e){if(typeof this!=="undefined"&&!(this instanceof OutputPort)||typeof this==="undefined"){return new OutputPort(e)}typecheck("OutputPort",e,"function");read_only(this,"__type__",text_port);this.write=e}OutputPort.prototype.is_open=function(){return this._closed!==true};OutputPort.prototype.close=function(){Object.defineProperty(this,"_closed",{get:function e(){return true},set:function e(){},configurable:false,enumerable:false});this.write=function(){throw new Error("output-port: port is closed")}};OutputPort.prototype.flush=function(){};OutputPort.prototype.toString=function(){return"#<output-port>"};var BufferedOutputPort=function(e){_inherits(n,e);var r=_createSuper(n);function n(e){var t;_classCallCheck(this,n);t=r.call(this,function(){var e;return(e=t)._write.apply(e,arguments)});typecheck("BufferedOutputPort",e,"function");read_only(_assertThisInitialized(t),"_fn",e,{hidden:true});read_only(_assertThisInitialized(t),"_buffer",[],{hidden:true});return t}_createClass(n,[{key:"flush",value:function e(){if(this._buffer.length){this._fn(this._buffer.join(""));this._buffer.length=0}}},{key:"_write",value:function e(){var t=this;for(var r=arguments.length,n=new Array(r),i=0;i<r;i++){n[i]=arguments[i]}if(n.length){n.forEach(function(e){t._buffer.push(e)});var a=this._buffer[this._buffer.length-1];if(a.match(/\n$/)){this._buffer[this._buffer.length-1]=a.replace(/\n$/,"");this.flush()}}}}]);return n}(OutputPort);function OutputStringPort(t){var r=this;if(typeof this!=="undefined"&&!(this instanceof OutputStringPort)||typeof this==="undefined"){return new OutputStringPort(t)}typecheck("OutputStringPort",t,"function");read_only(this,"__type__",text_port);read_only(this,"__buffer__",[]);this.write=function(e){if(!LString.isString(e)){e=t(e)}else{e=e.valueOf()}r.__buffer__.push(e)}}OutputStringPort.prototype=Object.create(OutputPort.prototype);OutputStringPort.prototype.constructor=OutputStringPort;OutputStringPort.prototype.toString=function(){return"#<output-port (string)>"};OutputStringPort.prototype.valueOf=function(){return this.__buffer__.map(function(e){return e.valueOf()}).join("")};function OutputFilePort(e,t){var r=this;if(typeof this!=="undefined"&&!(this instanceof OutputFilePort)||typeof this==="undefined"){return new OutputFilePort(e,t)}typecheck("OutputFilePort",e,"string");read_only(this,"__filename__",e);read_only(this,"_fd",t.valueOf(),{hidden:true});read_only(this,"__type__",text_port);this.write=function(e){if(!LString.isString(e)){e=toString(e)}else{e=e.valueOf()}r.fs().write(r._fd,e,function(e){if(e){throw e}})}}OutputFilePort.prototype=Object.create(OutputPort.prototype);OutputFilePort.prototype.constructor=OutputFilePort;OutputFilePort.prototype.fs=function(){if(!this._fs){this._fs=this.internal("fs")}return this._fs};OutputFilePort.prototype.internal=function(e){return user_env.get("**internal-env**").get(e)};OutputFilePort.prototype.close=function(){var n=this;return new Promise(function(t,r){n.fs().close(n._fd,function(e){if(e){r(e)}else{read_only(n,"_fd",null,{hidden:true});OutputPort.prototype.close.call(n);t()}})})};OutputFilePort.prototype.toString=function(){return"#<output-port ".concat(this.__filename__,">")};function InputStringPort(e,t){var r=this;if(typeof this!=="undefined"&&!(this instanceof InputStringPort)||typeof this==="undefined"){return new InputStringPort(e)}typecheck("InputStringPort",e,"string");t=t||global_env;e=e.valueOf();this._with_parser=this._with_init_parser.bind(this,function(){if(!r.__parser__){r.__parser__=new Parser(e,{env:t})}return r.__parser__});read_only(this,"__type__",text_port);this._make_defaults()}InputStringPort.prototype.char_ready=function(){return true};InputStringPort.prototype=Object.create(InputPort.prototype);InputStringPort.prototype.constructor=InputStringPort;InputStringPort.prototype.toString=function(){return"#<input-port (string)>"};function InputByteVectorPort(e){if(typeof this!=="undefined"&&!(this instanceof InputByteVectorPort)||typeof this==="undefined"){return new InputByteVectorPort(e)}typecheck("InputByteVectorPort",e,"uint8array");read_only(this,"__vector__",e);read_only(this,"__type__",binary_port);var r=0;Object.defineProperty(this,"__index__",{enumerable:true,get:function e(){return r},set:function e(t){typecheck("InputByteVectorPort::__index__",t,"number");if(t instanceof LNumber){t=t.valueOf()}if(typeof t==="bigint"){t=Number(t)}if(Math.floor(t)!==t){throw new Error("InputByteVectorPort::__index__ value is "+"not integer")}r=t}})}InputByteVectorPort.prototype=Object.create(InputPort.prototype);InputByteVectorPort.prototype.constructor=InputByteVectorPort;InputByteVectorPort.prototype.toString=function(){return"#<input-port (bytevector)>"};InputByteVectorPort.prototype.close=function(){var t=this;read_only(this,"__vector__",_nil);["read_u8","close","peek_u8","read_u8_vector"].forEach(function(e){t[e]=function(){throw new Error("Input-binary-port: port is closed")}});this.char_ready=function(){return false}};InputByteVectorPort.prototype.u8_ready=function(){return true};InputByteVectorPort.prototype.peek_u8=function(){if(this.__index__>=this.__vector__.length){return eof}return this.__vector__[this.__index__]};InputByteVectorPort.prototype.skip=function(){if(this.__index__<=this.__vector__.length){++this.__index__}};InputByteVectorPort.prototype.read_u8=function(){var e=this.peek_u8();this.skip();return e};InputByteVectorPort.prototype.read_u8_vector=function(e){if(typeof e==="undefined"){e=this.__vector__.length}else if(e>this.__index__+this.__vector__.length){e=this.__index__+this.__vector__.length}if(this.peek_u8()===eof){return eof}return this.__vector__.slice(this.__index__,e)};function OutputByteVectorPort(){if(typeof this!=="undefined"&&!(this instanceof OutputByteVectorPort)||typeof this==="undefined"){return new OutputByteVectorPort}read_only(this,"__type__",binary_port);read_only(this,"_buffer",[],{hidden:true});this.write=function(e){typecheck("write",e,["number","uint8array"]);if(LNumber.isNumber(e)){this._buffer.push(e.valueOf())}else{var t;(t=this._buffer).push.apply(t,_toConsumableArray(Array.from(e)))}};Object.defineProperty(this,"__buffer__",{enumerable:true,get:function e(){return Uint8Array.from(this._buffer)}})}OutputByteVectorPort.prototype=Object.create(OutputPort.prototype);OutputByteVectorPort.prototype.constructor=OutputByteVectorPort;OutputByteVectorPort.prototype.close=function(){OutputPort.prototype.close.call(this);read_only(this,"_buffer",null,{hidden:true})};OutputByteVectorPort.prototype._close_guard=function(){if(this._closed){throw new Error("output-port: binary port is closed")}};OutputByteVectorPort.prototype.write_u8=function(e){typecheck("OutputByteVectorPort::write_u8",e,"number");this.write(e)};OutputByteVectorPort.prototype.write_u8_vector=function(e){typecheck("OutputByteVectorPort::write_u8_vector",e,"uint8array");this.write(e)};OutputByteVectorPort.prototype.toString=function(){return"#<output-port (bytevector)>"};OutputByteVectorPort.prototype.valueOf=function(){return this.__buffer__};function InputFilePort(e,t){if(typeof this!=="undefined"&&!(this instanceof InputFilePort)||typeof this==="undefined"){return new InputFilePort(e,t)}InputStringPort.call(this,e);typecheck("InputFilePort",t,"string");read_only(this,"__filename__",t)}InputFilePort.prototype=Object.create(InputStringPort.prototype);InputFilePort.prototype.constructor=InputFilePort;InputFilePort.prototype.toString=function(){return"#<input-port (".concat(this.__filename__,")>")};function InputBinaryFilePort(e,t){if(typeof this!=="undefined"&&!(this instanceof InputBinaryFilePort)||typeof this==="undefined"){return new InputBinaryFilePort(e,t)}InputByteVectorPort.call(this,e);typecheck("InputBinaryFilePort",t,"string");read_only(this,"__filename__",t)}InputBinaryFilePort.prototype=Object.create(InputByteVectorPort.prototype);InputBinaryFilePort.prototype.constructor=InputBinaryFilePort;InputBinaryFilePort.prototype.toString=function(){return"#<input-binary-port (".concat(this.__filename__,")>")};function OutputBinaryFilePort(e,t){var i=this;if(typeof this!=="undefined"&&!(this instanceof OutputBinaryFilePort)||typeof this==="undefined"){return new OutputBinaryFilePort(e,t)}typecheck("OutputBinaryFilePort",e,"string");read_only(this,"__filename__",e);read_only(this,"_fd",t.valueOf(),{hidden:true});read_only(this,"__type__",binary_port);var a,r;this.write=function(e){typecheck("write",e,["number","uint8array"]);var n;if(!a){a=i.internal("fs")}if(!r){r=i.internal("Buffer")}if(LNumber.isNumber(e)){n=r.from([e.valueOf()])}else{n=r.from(Array.from(e))}return new 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\xA0\u1680\u2000-\u200A\u2028\u2029\u202F\u205F\u3000\uFEFF]/},undefined,"internal");var nan=LNumber(NaN);var constants={true:true,false:false,"#true":true,"#false":false,"#t":true,"#f":false,nil:_nil,undefined:undefined,null:null,NaN:nan,"+nan.0":nan,"-nan.0":nan};var global_env=new Environment({eof:eof,undefined:undefined,"peek-char":doc("peek-char",function(){var e=arguments.length>0&&arguments[0]!==undefined?arguments[0]:null;if(e===null){e=internal(this,"stdin")}typecheck_text_port("peek-char",e,"input-port");return e.peek_char()},"(peek-char port)\n\n        This function reads and returns a character from the string\n        port, or, if there is no more data in the string port, it\n        returns an EOF."),"read-line":doc("read-line",function(){var e=arguments.length>0&&arguments[0]!==undefined?arguments[0]:null;if(e===null){e=internal(this,"stdin")}typecheck_text_port("read-line",e,"input-port");return e.read_line()},"(read-line port)\n\n        This function reads and returns the next line from the input\n        port."),"read-char":doc("read-char",function(){var e=arguments.length>0&&arguments[0]!==undefined?arguments[0]:null;if(e===null){e=internal(this,"stdin")}typecheck_text_port("read-char",e,"input-port");return e.read_char()},"(read-char port)\n\n        This function reads and returns the next character from the\n        input port."),read:doc("read",function(){var e=_asyncToGenerator(_regeneratorRuntime.mark(function e(){var r,n,i,a,o,u,s,c,l,f=arguments;return _regeneratorRuntime.wrap(function e(t){while(1){switch(t.prev=t.next){case 0:r=f.length>0&&f[0]!==undefined?f[0]:null;n=this.env;if(!LString.isString(r)){t.next=31;break}i=false;a=false;t.prev=5;u=_asyncIterator(_parse(r,n));case 7:t.next=9;return u.next();case 9:if(!(i=!(s=t.sent).done)){t.next=15;break}c=s.value;return t.abrupt("return",c);case 12:i=false;t.next=7;break;case 15:t.next=21;break;case 17:t.prev=17;t.t0=t["catch"](5);a=true;o=t.t0;case 21:t.prev=21;t.prev=22;if(!(i&&u["return"]!=null)){t.next=26;break}t.next=26;return u["return"]();case 26:t.prev=26;if(!a){t.next=29;break}throw o;case 29:return t.finish(26);case 30:return t.finish(21);case 31:if(r===null){l=internal(n,"stdin")}else{l=r}typecheck_text_port("read",l,"input-port");return t.abrupt("return",l.read.call(n));case 34:case"end":return t.stop()}}},e,this,[[5,17,21,31],[22,,26,30]])}));function t(){return e.apply(this,arguments)}return t}(),"(read [string])\n\n        This function, if used with a string, will parse it and\n        return the LIPS code, if there is any. If called with a\n        port, it will parse the next item from the port. If called\n        without an input, it will read a string from standard input\n        (using the browser's prompt or a user defined input method)\n        and calls itself with that string. This function can be used\n        together with `eval` to evaluate code from a string."),pprint:doc("pprint",function e(t){if(t instanceof Pair){t=new lips.Formatter(t.toString(true))["break"]().format();global_env.get("display").call(global_env,t)}else{global_env.get("write").call(global_env,t)}global_env.get("newline").call(global_env)},"(pprint expression)\n\n        This function will pretty print its input to stdout. If it is called\n        with a non-list, it will just call the print function on its\n        input."),print:doc("print",function e(){var t=global_env.get("display");var r=global_env.get("newline");var n=this.use_dynamic;var i=global_env;var a=global_env;for(var o=arguments.length,u=new Array(o),s=0;s<o;s++){u[s]=arguments[s]}u.forEach(function(e){call_function(t,[e],{env:i,dynamic_env:a,use_dynamic:n});call_function(r,[],{env:i,dynamic_env:a,use_dynamic:n})})},"(print . args)\n\n        This function converts each input into a string and prints\n        the result to the standard output (by default it's the\n        console but it can be defined in user code). This function\n        calls `(newline)` after printing each input."),format:doc("format",function e(t){for(var r=arguments.length,n=new Array(r>1?r-1:0),i=1;i<r;i++){n[i-1]=arguments[i]}typecheck("format",t,"string");var a=/(~[as%~])/g;var o=t.match(/(~[as])/g);if(o&&o.length>n.length){throw new Error("Not enough arguments")}var u=0;var s=global_env.get("repr");t=t.replace(a,function(e){var t=e[1];if(t==="~"){return"~"}else if(t==="%"){return"\n"}else{var r=n[u++];if(t==="a"){return s(r)}else{return s(r,true)}}});o=t.match(/~([\S])/);if(o){throw new Error("format: Unrecognized escape sequence ".concat(o[1]))}return t},"(format string n1 n2 ...)\n\n        This function accepts a string template and replaces any\n        escape sequences in its inputs:\n\n        * ~a value as if printed with `display`\n        * ~s value as if printed with `write`\n        * ~% newline character\n        * ~~ literal tilde '~'\n\n        If there are missing inputs or other escape characters it\n        will error."),display:doc("display",function e(t){var r=arguments.length>1&&arguments[1]!==undefined?arguments[1]:null;if(r===null){r=internal(this,"stdout")}else{typecheck("display",r,"output-port")}var n=t;if(!(r instanceof OutputBinaryFilePort)){n=global_env.get("repr")(t)}r.write.call(global_env,n)},"(display string [port])\n\n        This function outputs the string to the standard output or\n        the port if given. No newline."),"display-error":doc("display-error",function e(){var t=internal(this,"stderr");var r=global_env.get("repr");for(var n=arguments.length,i=new Array(n),a=0;a<n;a++){i[a]=arguments[a]}var o=i.map(r).join(" ");t.write.call(global_env,o);global_env.get("newline")(t)},"(display-error . args)\n\n        Display an error message on stderr."),"%same-functions":doc("%same-functions",function(e,t){if(!is_function(e)){return false}if(!is_function(t)){return false}return unbind(e)===unbind(t)},"(%same-functions a b)\n\n        A helper function that checks if the two input functions are\n        the same."),help:doc(new Macro("help",function(e,t){var r=t.dynamic_env,n=t.use_dynamic,i=t.error;var a;if(e.car instanceof LSymbol){a=e.car}else if(e.car instanceof Pair&&e.car.car instanceof LSymbol){a=e.car.car}else{var l=this;r=this;var o=_evaluate(e.car,{env:l,error:i,dynamic_env:r,use_dynamic:n});if(o&&o.__doc__){return o.__doc__}return}var u;var s=this.get(a);u=s&&s.__doc__;if(u){return u}var c=this.ref(a);if(c){u=c.doc(a);if(u){return u}}}),"(help object)\n\n         This macro returns documentation for a function or macro.\n         You can save the function or macro in a variable and use it\n         here. But getting help for a variable requires passing the\n         variable in a `quote`."),cons:doc("cons",function e(t,r){return new Pair(t,r)},"(cons left right)\n\n        This function returns a new list with the first appended\n        before the second. If the second is not a list cons will\n        return a dotted pair."),car:doc("car",function e(t){typecheck("car",t,"pair");return t.car},"(car pair)\n\n        This function returns the car (item 1) of the list."),cdr:doc("cdr",function e(t){typecheck("cdr",t,"pair");return t.cdr},"(cdr pair)\n\n        This function returns the cdr (all but first) of the list."),"set!":doc(new Macro("set!",function(e){var c=this;var t=arguments.length>1&&arguments[1]!==undefined?arguments[1]:{},r=t.use_dynamic,l=_objectWithoutProperties(t,_excluded4);var n=this;var i=this;var a;var f=_objectSpread(_objectSpread({},l),{},{env:this,dynamic_env:n,use_dynamic:r});var o=_evaluate(e.cdr.car,f);o=resolve_promises(o);function u(t,r,n){if(is_promise(t)){return t.then(function(e){return u(t,e,n)})}if(is_promise(r)){return r.then(function(e){return u(t,e,n)})}if(is_promise(n)){return n.then(function(e){return u(t,r,e)})}i.get("set-obj!").call(i,t,r,n);return n}if(e.car instanceof Pair&&LSymbol.is(e.car.car,".")){var _=e.car.cdr.car;var p=e.car.cdr.cdr.car;var h=_evaluate(_,{env:this,dynamic_env:n,use_dynamic:r,error:error});var d=_evaluate(p,{env:this,dynamic_env:n,use_dynamic:r,error:error});return u(h,d,o)}if(!(e.car instanceof LSymbol)){throw new Error("set! first argument need to be a symbol or "+"dot accessor that evaluate to object.")}var s=e.car.valueOf();a=this.ref(e.car.__name__);return unpromise(o,function(e){if(!a){var t=s.split(".");if(t.length>1){var r=t.pop();var n=t.join(".");var i=c.get(n,{throwError:false});if(i){u(i,r,e);return}}throw new Error("Unbound variable `"+s+"'")}a.set(s,e)})}),"(set! name value)\n\n         Macro that can be used to set the value of the variable or slot (mutate it).\n         set! searches the scope chain until it finds first non empty slot and sets it."),"unset!":doc(new Macro("set!",function(e){if(!(e.car instanceof LSymbol)){throw new Error("unset! first argument need to be a symbol or "+"dot accessor that evaluate to object.")}var t=e.car;var r=this.ref(t);if(r){delete r.__env__[t.__name__]}}),"(unset! name)\n\n         Function to delete the specified name from environment.\n         Trying to access the name afterwards will error."),"set-car!":doc("set-car!",function(e,t){typecheck("set-car!",e,"pair");e.car=t},"(set-car! obj value)\n\n         Function that sets the car (first item) of the list/pair to specified value.\n         The old value is lost."),"set-cdr!":doc("set-cdr!",function(e,t){typecheck("set-cdr!",e,"pair");e.cdr=t},"(set-cdr! obj value)\n\n         Function that sets the cdr (tail) of the list/pair to specified value.\n         It will destroy the list. The old tail is lost."),"empty?":doc("empty?",function(e){return typeof e==="undefined"||e===_nil},"(empty? object)\n\n         Function that returns #t if value is nil (an empty list) or undefined."),gensym:doc("gensym",gensym,"(gensym)\n\n         Generates a unique symbol that is not bound anywhere,\n         to use with macros as meta name."),load:doc("load",function e(u,t){typecheck("load",u,"string");var s=this;if(s.__name__==="__frame__"){s=s.__parent__}if(!(t instanceof Environment)){if(s===global_env){t=s}else{t=this.get("**interaction-environment**")}}var c="**module-path**";var l=global_env.get(c,{throwError:false});u=u.valueOf();if(!u.match(/.[^.]+$/)){u+=".scm"}var r=u.match(/\.xcb$/);function f(e){if(r){e=unserialize_bin(e)}else{if(type(e)==="buffer"){e=e.toString()}e=e.replace(/^#!.*/,"");if(e.match(/^\{/)){e=unserialize(e)}}return exec(e,{env:t})}function n(e){return root.fetch(e).then(function(e){return r?e.arrayBuffer():e.text()}).then(function(e){if(r){e=new Uint8Array(e)}return e})}if(is_node()){return new Promise(function(){var r=_asyncToGenerator(_regeneratorRuntime.mark(function e(r,n){var i,a,o;return _regeneratorRuntime.wrap(function e(t){while(1){switch(t.prev=t.next){case 0:i=nodeRequire("path");if(!l){t.next=6;break}l=l.valueOf();u=i.join(l,u);t.next=12;break;case 6:a=s.get("command-line",{throwError:false});if(!a){t.next=11;break}t.next=10;return a();case 10:o=t.sent;case 11:if(o&&o!==_nil){process.cwd();u=i.join(i.dirname(o.car.valueOf()),u)}case 12:global_env.set(c,i.dirname(u));nodeRequire("fs").readFile(u,function(e,t){if(e){n(e);global_env.set(c,l)}else{try{f(t).then(function(){r();global_env.set(c,l)})["catch"](n)}catch(e){n(e)}}});case 14:case"end":return t.stop()}}},e)}));return function(e,t){return r.apply(this,arguments)}}())}if(l){l=l.valueOf();u=l+"/"+u.replace(/^\.?\/?/,"")}return n(u).then(function(e){global_env.set(c,u.replace(/\/[^/]*$/,""));return f(e)}).then(function(){})["finally"](function(){global_env.set(c,l)})},"(load filename)\n        (load filename environment)\n\n        Fetches the file (from disk or network) and evaluates its content as LIPS code.\n        If the second argument is provided and it's an environment the evaluation\n        will happen in that environment."),do:doc(new Macro("do",function(){var r=_asyncToGenerator(_regeneratorRuntime.mark(function e(r,_){var p,n,i,a,u,s,o,c,l,f,h,d;return _regeneratorRuntime.wrap(function e(t){while(1){switch(t.prev=t.next){case 0:p=_.use_dynamic,n=_.error;i=this;a=i;u=i.inherit("do");s=r.car;o=r.cdr.car;c=r.cdr.cdr;if(c!==_nil){c=new Pair(LSymbol("begin"),c)}l={env:i,dynamic_env:a,use_dynamic:p,error:n};f=s;case 10:if(!(f!==_nil)){t.next=21;break}h=f.car;t.t0=u;t.t1=h.car;t.next=16;return _evaluate(h.cdr.car,l);case 16:t.t2=t.sent;t.t0.set.call(t.t0,t.t1,t.t2);f=f.cdr;t.next=10;break;case 21:l={env:u,dynamic_env:a,error:n};d=_regeneratorRuntime.mark(function e(){var r,n,i,a,o;return _regeneratorRuntime.wrap(function e(t){while(1){switch(t.prev=t.next){case 0:if(!(c!==_nil)){t.next=3;break}t.next=3;return lips.evaluate(c,l);case 3:r=s;n={};case 5:if(!(r!==_nil)){t.next=15;break}i=r.car;if(!(i.cdr.cdr!==_nil)){t.next=12;break}t.next=10;return _evaluate(i.cdr.cdr.car,l);case 10:a=t.sent;n[i.car.valueOf()]=a;case 12:r=r.cdr;t.next=5;break;case 15:o=Object.getOwnPropertySymbols(n);Object.keys(n).concat(o).forEach(function(e){u.set(e,n[e])});case 17:case"end":return t.stop()}}},e)});case 23:t.next=25;return _evaluate(o.car,l);case 25:t.t3=t.sent;if(!(t.t3===false)){t.next=30;break}return t.delegateYield(d(),"t4",28);case 28:t.next=23;break;case 30:if(!(o.cdr!==_nil)){t.next=34;break}t.next=33;return _evaluate(o.cdr.car,l);case 33:return t.abrupt("return",t.sent);case 34:case"end":return t.stop()}}},e,this)}));return function(e,t){return r.apply(this,arguments)}}()),"(do ((<var> <init> <next>)) (test return) . body)\n\n         Iteration macro that evaluates the expression body in scope of the variables.\n         On each loop it changes the variables according to the <next> expression and runs\n         test to check if the loop should continue. If test is a single value, the macro\n         will return undefined. If the test is a pair of expressions the macro will\n         evaluate and return the second expression after the loop exits."),if:doc(new Macro("if",function(r,e){var t=e.error,n=e.use_dynamic;var i=this;var a=this;var o={env:a,dynamic_env:i,use_dynamic:n,error:t};var u=function e(t){if(t===false){return _evaluate(r.cdr.cdr.car,o)}else{return _evaluate(r.cdr.car,o)}};if(r===_nil){throw new Error("too few expressions for `if`")}var s=_evaluate(r.car,o);return unpromise(s,u)}),"(if cond true-expr false-expr)\n\n         Macro that evaluates cond expression and if the value is true, it\n         evaluates and returns true-expression, if not it evaluates and returns\n         false-expression."),"let-env":new Macro("let-env",function(t){var e=arguments.length>1&&arguments[1]!==undefined?arguments[1]:{};var r=e.dynamic_env,n=e.use_dynamic,i=e.error;typecheck("let-env",t,"pair");var a=_evaluate(t.car,{env:this,dynamic_env:r,error:i,use_dynamic:n});return unpromise(a,function(e){typecheck("let-env",e,"environment");return _evaluate(Pair(LSymbol("begin"),t.cdr),{env:e,dynamic_env:r,error:i})})},"(let-env env . body)\n\n        Special macro that evaluates body in context of given environment\n        object."),letrec:doc(let_macro(Symbol["for"]("letrec")),"(letrec ((a value-a) (b value-b) ...) . body)\n\n         Macro that creates a new environment, then evaluates and assigns values to\n         names and then evaluates the body in context of that environment.\n         Values are evaluated sequentially and the next value can access the\n         previous values/names."),"letrec*":doc(let_macro(Symbol["for"]("letrec")),"(letrec* ((a value-a) (b value-b) ...) . body)\n\n         Same as letrec but the order of execution of the binding is guaranteed,\n         so you can use recursive code as well as referencing the previous binding.\n\n         In LIPS both letrec and letrec* behave the same."),"let*":doc(let_macro(Symbol["for"]("let*")),"(let* ((a value-a) (b value-b) ...) . body)\n\n         Macro similar to `let`, but the subsequent bindings after the first\n         are evaluated in the environment including the previous let variables,\n         so you can define one variable, and use it in the next's definition."),let:doc(let_macro(Symbol["for"]("let")),"(let ((a value-a) (b value-b) ...) . body)\n\n         Macro that creates a new environment, then evaluates and assigns values to names,\n         and then evaluates the body in context of that environment.  Values are evaluated\n         sequentially but you can't access previous values/names when the next are\n         evaluated. You can only get them in the body of the let expression.  (If you want\n         to define multiple variables and use them in each other's definitions, use\n         `let*`.)"),"begin*":doc(parallel("begin*",function(e){return e.pop()}),"(begin* . body)\n\n         This macro is a parallel version of begin. It evaluates each expression\n         in the body and if it's a promise it will await it in parallel and return\n         the value of the last expression (i.e. it uses Promise.all())."),shuffle:doc(function(e){typecheck("shuffle",e,["pair","nil","array"]);var t=global_env.get("random");if(e===_nil){return _nil}if(Array.isArray(e)){return shuffle(e.slice(),t)}var r=global_env.get("list->array")(e);r=shuffle(r,t);return global_env.get("array->list")(r)},"(shuffle obj)\n\n        Order items in vector or list in random order."),begin:doc(new Macro("begin",function(e,t){var n=_objectSpread(_objectSpread({},t),{},{env:this});var i=global_env.get("list->array")(e);var a;return function t(){if(i.length){var e=i.shift();var r=_evaluate(e,n);return unpromise(r,function(e){a=e;return t()})}else{return a}}()}),"(begin . args)\n\n         Macro that runs a list of expressions in order and returns the value\n         of the last one. It can be used in places where you can only have a\n         single expression, like (if)."),ignore:new Macro("ignore",function(e,t){var r=_objectSpread(_objectSpread({},t),{},{env:this,dynamic_env:this});_evaluate(new Pair(new LSymbol("begin"),e),r)},"(ignore . body)\n\n        Macro that will evaluate the expression and swallow any promises that may\n        be created. It will discard any value that may be returned by the last body\n        expression. The code should have side effects and/or when it's promise\n        it should resolve to undefined."),"call/cc":doc(Macro.defmacro("call/cc",function(e){var t=arguments.length>1&&arguments[1]!==undefined?arguments[1]:{};var r=_objectSpread({env:this},t);return unpromise(_evaluate(e.car,r),function(e){if(is_function(e)){return e(new Continuation(null))}})}),"(call/cc proc)\n\n         Call-with-current-continuation.\n\n         NOT SUPPORTED BY LIPS RIGHT NOW"),parameterize:doc(new Macro("parameterize",function(t,e){var i=e.dynamic_env;var a=i.inherit("parameterize").new_frame(null,{});var o=_objectSpread(_objectSpread({},e),{},{env:this});var u=t.car;if(!is_pair(u)){var r=type(u);throw new Error("Invalid syntax for parameterize expecting pair got ".concat(r))}function s(){var e=new Pair(new LSymbol("begin"),t.cdr);return _evaluate(e,_objectSpread(_objectSpread({},o),{},{dynamic_env:a}))}return function r(){var e=u.car;var n=e.car.valueOf();return unpromise(_evaluate(e.cdr.car,o),function(e){var t=i.get(n,{throwError:false});if(!is_parameter(t)){throw new Error("Unknown parameter ".concat(n))}a.set(n,t.inherit(e));if(!is_null(u.cdr)){u=u.cdr;return r()}else{return s()}})}()}),"(parameterize ((name value) ...)\n\n         Macro that change the dynamic variable created by make-parameter."),"make-parameter":doc(new Macro("make-parameter",function(e,t){t.dynamic_env;var r=_evaluate(e.car,t);var n;if(e.cdr.car instanceof Pair){n=_evaluate(e.cdr.car,t)}return new Parameter(r,n)}),"(make-parameter init converter)\n\n    Function creates new dynamic variable that can be custimized with parameterize\n    macro. The value should be assigned to a variable e.g.:\n\n    (define radix (make-parameter 10))\n\n    The result value is a procedure that return the value of dynamic variable."),define:doc(Macro.defmacro("define",function(r,e){var n=this;if(r.car instanceof Pair&&r.car.car instanceof LSymbol){var t=new Pair(new LSymbol("define"),new Pair(r.car.car,new Pair(new Pair(new LSymbol("lambda"),new Pair(r.car.cdr,r.cdr)))));return t}else if(e.macro_expand){return}e.dynamic_env=this;e.env=n;var i=r.cdr.car;var a;if(i instanceof Pair){i=_evaluate(i,e);a=true}else if(i instanceof LSymbol){i=n.get(i)}typecheck("define",r.car,"symbol");return unpromise(i,function(e){if(n.__name__===Syntax.__merge_env__){n=n.__parent__}if(a&&(is_function(e)&&is_lambda(e)||e instanceof Syntax||is_parameter(e))){e.__name__=r.car.valueOf();if(e.__name__ instanceof LString){e.__name__=e.__name__.valueOf()}}var t;if(r.cdr.cdr instanceof Pair&&LString.isString(r.cdr.cdr.car)){t=r.cdr.cdr.car.valueOf()}n.set(r.car,e,t,true)})}),'(define name expression)\n         (define name expression "doc string")\n         (define (function-name . args) . body)\n\n         Macro for defining values. It can be used to define variables,\n         or functions. If the first argument is list it will create a function\n         with name being first element of the list. This form expands to\n         `(define function-name (lambda args body))`'),"set-obj!":doc("set-obj!",function(e,t,r){var n=arguments.length>3&&arguments[3]!==undefined?arguments[3]:null;var i=_typeof(e);if(is_null(e)||i!=="object"&&i!=="function"){var a=typeErrorMessage("set-obj!",type(e),["object","function"]);throw new Error(a)}typecheck("set-obj!",t,["string","symbol","number"]);e=unbind(e);t=t.valueOf();if(arguments.length===2){delete e[t]}else if(is_prototype(e)&&is_function(r)){e[t]=unbind(r);e[t][__prototype__]=true}else if(is_function(r)||is_native(r)||r===_nil){e[t]=r}else{e[t]=r&&!is_prototype(r)?r.valueOf():r}if(props){var o=e[t];Object.defineProperty(e,t,_objectSpread(_objectSpread({},n),{},{value:o}))}},"(set-obj! obj key value)\n        (set-obj! obj key value props)\n\n        Function set a property of a JavaScript object. props should be a vector of pairs,\n        passed to Object.defineProperty."),"null-environment":doc("null-environment",function(){return global_env.inherit("null")},"(null-environment)\n\n        Returns a clean environment with only the standard library."),values:doc("values",function e(){for(var t=arguments.length,r=new Array(t),n=0;n<t;n++){r[n]=arguments[n]}return Values(r)},"(values a1 a2 ...)\n\n        If called with more then one element it will create a special\n        Values object that can be used in the call-with-values function."),"call-with-values":doc("call-with-values",function(e,t){typecheck("call-with-values",e,"function",1);typecheck("call-with-values",t,"function",2);var r=e.apply(this);if(r instanceof Values){return t.apply(this,r.valueOf())}return t.call(this,r)},"(call-with-values producer consumer)\n\n        Calls the producer procedure with no arguments, then calls the\n        consumer procedure with the returned value as an argument -- unless\n        the returned value is a special Values object created by (values), if it is\n        the values are unpacked and the consumer is called with multiple arguments."),"current-environment":doc("current-environment",function(){if(this.__name__==="__frame__"){return this.__parent__}return this},"(current-environment)\n\n        Function that returns the current environment (they're first-class objects!)"),"parent.frame":doc("parent.frame",function(){return user_env},"(parent.frame)\n\n        Returns the parent environment if called from inside a function.\n        If no parent frame can be found it returns nil."),eval:doc("eval",function(e,t){var n=this;t=t||this.get("current-environment").call(this);return _evaluate(e,{env:t,dynamic_env:t,error:function e(t){var e=global_env.get("display-error");e.call(n,t.message);if(t.code){var r=t.code.map(function(e,t){return"[".concat(t+1,"]: ").concat(e)}).join("\n");e.call(n,r)}}})},"(eval expr)\n        (eval expr environment)\n\n        Function that evaluates LIPS Scheme code. If the second argument is provided\n        it will be the environment that the code is evaluated in."),lambda:new Macro("lambda",function(d){var e=arguments.length>1&&arguments[1]!==undefined?arguments[1]:{},m=e.use_dynamic,y=e.error;var v=this;var g;if(d.cdr instanceof Pair&&LString.isString(d.cdr.car)&&d.cdr.cdr!==_nil){g=d.cdr.car.valueOf()}function b(){var c=is_context(this)?this:{dynamic_env:v},r=c.dynamic_env;var n=v.inherit("lambda");r=r.inherit("lambda");if(this&&!is_context(this)){if(this&&!this.__instance__){Object.defineProperty(this,"__instance__",{enumerable:false,get:function e(){return true},set:function e(){},configurable:false})}n.set("this",this)}for(var e=arguments.length,t=new Array(e),i=0;i<e;i++){t[i]=arguments[i]}if(this instanceof LambdaContext){var a={throwError:false};n.set("arguments",this.env.get("arguments",a));n.set("parent.frame",this.env.get("parent.frame",a))}else{var o=t.slice();o.callee=b;o.env=n;n.set("arguments",o)}function l(e,t){n.__env__[e.__name__]=t;r.__env__[e.__name__]=t}var u=d.car;var s=0;if(u instanceof LSymbol||u!==_nil){while(true){if(u.car!==_nil){if(u instanceof LSymbol){var f=quote(Pair.fromArray(t.slice(s),false));l(u,f);break}else if(is_pair(u)){var _=t[s];l(u.car,_)}}if(u.cdr===_nil){break}s++;u=u.cdr}}var p=g?d.cdr.cdr:d.cdr;var h=new Pair(new LSymbol("begin"),p);return _evaluate(h,{env:n,dynamic_env:r,use_dynamic:m,error:y})}var t=d.car instanceof Pair?d.car.length():null;b.__code__=new Pair(new LSymbol("lambda"),d);b[__lambda__]=true;if(!(d.car instanceof Pair)){return doc(b,g,true)}return doc(set_fn_length(b,t),g,true)},"(lambda (a b) body)\n        (lambda args body)\n        (lambda (a b . rest) body)\n\n        The lambda macro creates a new anonymous function. If the first element of\n        the body is a string and there is more elements the string is used as the\n        documentation string, that can be read using (help fn)."),macroexpand:new Macro("macroexpand",macro_expand()),"macroexpand-1":new Macro("macroexpand-1",macro_expand(true)),"define-macro":doc(new Macro(macro,function(u,e){var s=e.use_dynamic,c=e.error;if(u.car instanceof Pair&&u.car.car instanceof LSymbol){var t=u.car.car.__name__;var l;if(LString.isString(u.cdr.car)&&u.cdr.cdr instanceof Pair){l=u.cdr.car.valueOf()}var r=Macro.defmacro(t,function(e){var t=new Environment({},this,"defmacro");var r=u.car.cdr;var n=e;while(true){if(r===_nil){break}if(r instanceof LSymbol){t.__env__[r.__name__]=n;break}else if(r.car!==_nil){if(n===_nil){t.__env__[r.car.__name__]=_nil}else{if(n.car instanceof Pair){n.car[__data__]=true}t.__env__[r.car.__name__]=n.car}}if(r.cdr===_nil){break}if(n!==_nil){n=n.cdr}r=r.cdr}var i={env:t,dynamic_env:t,use_dynamic:s,error:c};if(u.cdr instanceof Pair){var a=l?u.cdr.cdr:u.cdr;var o=a.reduce(function(e,t){return _evaluate(t,i)});return unpromise(o,function(e){if(_typeof(e)==="object"){delete e[__data__]}return e})}},l,true);r.__code__=new Pair(new LSymbol("define-macro"),u);this.set(t,r)}}),"(define-macro (name . args) body)\n\n         The meta-macro, that creates new macros. If the return value is a list structure\n         it will be evaluated where the macro is invoked from. You can use quasiquote `\n         and unquote , and unquote-splicing ,@ inside to create an expression that will be\n         evaluated at runtime. Macros works like this: if you pass any expression to a\n         macro the arguments will not be evaluated unless the macro's body explicitly\n         calls (eval) on it. Because of this a macro can manipulate the expression\n         (arguments) as lists."),"syntax-rules":new Macro("syntax-rules",function(v,e){var g=e.use_dynamic,b=e.error;var w=this;function D(e){var t=[];while(e!==_nil){var r=e.car;t.push(r.valueOf());e=e.cdr}return t}function t(e){while(e!==_nil){var t=e.car;if(!(t instanceof LSymbol)){throw new Error("syntax-rules: wrong identifier")}e=e.cdr}}if(v.car instanceof LSymbol){t(v.cdr.car)}else{t(v.car)}var r=new Syntax(function(e,l){var f=l.macro_expand;var t=w.inherit("syntax");var _=t;var r=this;if(r.__name__===Syntax.__merge_env__){var p=Object.getOwnPropertySymbols(r.__env__);p.forEach(function(e){r.__parent__.set(e,r.__env__[e])});r=r.__parent__}var h={env:t,dynamic_env:_,use_dynamic:g,error:b};var n,i,a;if(v.car instanceof LSymbol){n=v.car;a=D(v.cdr.car);i=v.cdr.cdr}else{n="...";a=D(v.car);i=v.cdr}try{while(i!==_nil){var o=i.car.car;var u=i.car.cdr.car;log(o);var s=extract_patterns(o,e,a,n,{expansion:this,define:w});if(s){if(is_debug()){console.log(JSON.stringify(symbolize(s),true,2));console.log("PATTERN: "+o.toString(true));console.log("MACRO: "+e.toString(true))}var d=[];var c=transform_syntax({bindings:s,expr:u,symbols:a,scope:t,lex_scope:r,names:d,ellipsis:n});log("OUPUT>>> "+c.toString());if(c){u=c}var m=r.merge(t,Syntax.__merge_env__);if(f){return{expr:u,scope:m}}var y=_evaluate(u,_objectSpread(_objectSpread({},h),{},{env:m}));return clear_gensyms(y,d)}i=i.cdr}}catch(e){e.message+=" in macro: ".concat(v.toString(true));throw e}throw new Error("Invalid Syntax ".concat(e.toString(true)))},w);r.__code__=v;return r},"(syntax-rules () (pattern expression) ...)\n\n        Base of hygienic macros, it will return a new syntax expander\n        that works like Lisp macros."),quote:doc(new Macro("quote",function(e){return quote(e.car)}),"(quote expression) or 'expression\n\n         Macro that returns a single LIPS expression as data (it won't evaluate the\n         argument). It will return a list if put in front of LIPS code.\n         And if put in front of a symbol it will return the symbol itself, not the value\n         bound to that name."),"unquote-splicing":doc("unquote-splicing",function(){throw new Error("You can't call `unquote-splicing` outside of quasiquote")},"(unquote-splicing code) or ,@code\n\n        Special form used in the quasiquote macro. It evaluates the expression inside and\n        splices the list into quasiquote's result. If it is not the last element of the\n        expression, the computed value must be a pair."),unquote:doc("unquote",function(){throw new Error("You can't call `unquote` outside of quasiquote")},"(unquote code) or ,code\n\n        Special form used in the quasiquote macro. It evaluates the expression inside and\n        substitutes the value into quasiquote's result."),quasiquote:Macro.defmacro("quasiquote",function(e,t){var u=t.use_dynamic,s=t.error;var c=this;var l=c;function o(e){return e instanceof Pair||is_plain_object(e)||Array.isArray(e)}function _(e,t){var r=arguments.length>2&&arguments[2]!==undefined?arguments[2]:o;if(e instanceof Pair){var n=e.car;var i=e.cdr;if(r(n)){n=t(n)}if(r(i)){i=t(i)}if(is_promise(n)||is_promise(i)){return promise_all([n,i]).then(function(e){var t=_slicedToArray(e,2),r=t[0],n=t[1];return new Pair(r,n)})}else{return new Pair(n,i)}}return e}function a(e,t){if(e instanceof Pair){if(t!==_nil){e.append(t)}}else{e=new Pair(e,t)}return e}function r(e){return!!e.filter(function(e){return e instanceof Pair&&LSymbol.is(e.car,/^(unquote|unquote-splicing)$/)}).length}function p(e,n,i){return e.reduce(function(e,t){if(!(t instanceof Pair)){e.push(t);return e}if(LSymbol.is(t.car,"unquote-splicing")){var r;if(n+1<i){r=f(t.cdr,n+1,i)}else{r=_evaluate(t.cdr.car,{env:c,use_dynamic:u,dynamic_env:l,error:s})}if(!(r instanceof Pair)){throw new Error("Expecting list ".concat(type(t)," found"))}return e.concat(r.to_array())}e.push(f(t,n,i));return e},[])}function h(n,i,a){var o={};i++;Object.keys(n).forEach(function(e){var t=n[e];if(t instanceof Pair){if(LSymbol.is(t.car,"unquote-splicing")){throw new Error("You can't call `unquote-splicing` "+"inside object")}var r;if(i<a){r=f(t.cdr.car,i,a)}else{r=_evaluate(t.cdr.car,{env:c,dynamic_env:l,use_dynamic:u,error:s})}o[e]=r}else{o[e]=t}});if(Object.isFrozen(n)){Object.freeze(o)}return o}function d(i,e,t){if(e<t){return new Pair(new Pair(i.car.car,f(i.car.cdr,e,t)),_nil)}var n=[];return function e(t){var r=_evaluate(t.car,{env:c,dynamic_env:l,use_dynamic:u,error:s});n.push(r);if(t.cdr instanceof Pair){return e(t.cdr)}return unpromise(n,function(r){if(r.some(function(e){return!(e instanceof Pair)})){if(i.cdr instanceof Pair&&LSymbol.is(i.cdr.car,".")&&i.cdr.cdr instanceof Pair&&i.cdr.cdr.cdr===_nil){return i.cdr.cdr.car}if(!(i.cdr===_nil||i.cdr instanceof Pair)){var e="You can't splice atom inside list";throw new Error(e)}if(r.length>1){var t="You can't splice multiple atoms inside list";throw new Error(t)}if(!(i.cdr instanceof Pair&&r[0]===_nil)){return r[0]}}r=r.map(function(e){if(m.has(e)){return e.clone()}else{m.add(e);return e}});var n=f(i.cdr,0,1);if(n===_nil&&r[0]===_nil){return undefined}return unpromise(n,function(e){if(r[0]===_nil){return e}if(r.length===1){return a(r[0],e)}var t=r.reduce(function(e,t){return a(e,t)});return a(t,e)})})}(i.car.cdr)}var m=new Set;function f(e,t,r){if(e instanceof Pair){if(e.car instanceof Pair){if(LSymbol.is(e.car.car,"unquote-splicing")){return d(e,t+1,r)}if(LSymbol.is(e.car.car,"unquote")){if(t+2===r&&e.car.cdr instanceof Pair&&e.car.cdr.car instanceof Pair&&LSymbol.is(e.car.cdr.car.car,"unquote-splicing")){var n=e.car.cdr;return new Pair(new Pair(new LSymbol("unquote"),d(n,t+2,r)),_nil)}else if(e.car.cdr instanceof Pair&&e.car.cdr.cdr!==_nil){if(e.car.cdr.car instanceof Pair){var i=[];return function t(r){if(r===_nil){return Pair.fromArray(i)}return unpromise(_evaluate(r.car,{env:c,dynamic_env:l,use_dynamic:u,error:s}),function(e){i.push(e);return t(r.cdr)})}(e.car.cdr)}else{return e.car.cdr}}}}if(LSymbol.is(e.car,"quasiquote")){var a=f(e.cdr,t,r+1);return new Pair(e.car,a)}if(LSymbol.is(e.car,"quote")){return new Pair(e.car,f(e.cdr,t,r))}if(LSymbol.is(e.car,"unquote")){t++;if(t<r){return new Pair(new LSymbol("unquote"),f(e.cdr,t,r))}if(t>r){throw new Error("You can't call `unquote` outside "+"of quasiquote")}if(e.cdr instanceof Pair){if(e.cdr.cdr!==_nil){if(e.cdr.car instanceof Pair){var o=[];return function t(r){if(r===_nil){return Pair.fromArray(o)}return unpromise(_evaluate(r.car,{env:c,dynamic_env:l,use_dynamic:u,error:s}),function(e){o.push(e);return t(r.cdr)})}(e.cdr)}else{return e.cdr}}else{return _evaluate(e.cdr.car,{env:c,dynamic_env:l,error:s})}}else{return e.cdr}}return _(e,function(e){return f(e,t,r)})}else if(is_plain_object(e)){return h(e,t,r)}else if(e instanceof Array){return p(e,t,r)}return e}function n(e){if(e instanceof Pair){delete e[__data__];if(!e.haveCycles("car")){n(e.car)}if(!e.haveCycles("cdr")){n(e.cdr)}}}if(is_plain_object(e.car)&&!r(Object.values(e.car))){return quote(e.car)}if(Array.isArray(e.car)&&!r(e.car)){return quote(e.car)}if(e.car instanceof Pair&&!e.car.find("unquote")&&!e.car.find("unquote-splicing")&&!e.car.find("quasiquote")){return quote(e.car)}var i=f(e.car,0,1);return unpromise(i,function(e){n(e);return quote(e)})},"(quasiquote list)\n\n        Similar macro to `quote` but inside it you can use special expressions (unquote\n        x) abbreviated to ,x that will evaluate x and insert its value verbatim or\n        (unquote-splicing x) abbreviated to ,@x that will evaluate x and splice the value\n        into the result. Best used with macros but it can be used outside."),clone:doc("clone",function e(t){typecheck("clone",t,"pair");return t.clone()},"(clone list)\n\n        Function that returns a clone of the list, that does not share any pairs with the\n        original, so the clone can be safely mutated without affecting the original."),append:doc("append",function e(){var t;for(var r=arguments.length,n=new Array(r),i=0;i<r;i++){n[i]=arguments[i]}n=n.map(function(e){if(e instanceof Pair){return e.clone()}return e});return(t=global_env.get("append!")).call.apply(t,[this].concat(_toConsumableArray(n)))},"(append item ...)\n\n        Function that creates a new list with each argument appended end-to-end.\n        It will always return a new list and not modify its arguments."),"append!":doc("append!",function(){var r=global_env.get("list?");for(var e=arguments.length,t=new Array(e),n=0;n<e;n++){t[n]=arguments[n]}return t.reduce(function(e,t){typecheck("append!",e,["nil","pair"]);if((t instanceof Pair||t===_nil)&&!r(t)){throw new Error("append!: Invalid argument, value is not a list")}if(is_null(t)){return e}if(e===_nil){if(t===_nil){return _nil}return t}return e.append(t)},_nil)},"(append! arg1 ...)\n\n        Destructive version of append, it can modify the lists in place. It returns\n        a new list where each argument is appended to the end. It may modify\n        lists added as arguments."),reverse:doc("reverse",function e(t){typecheck("reverse",t,["array","pair","nil"]);if(t===_nil){return _nil}if(t instanceof Pair){var r=global_env.get("list->array")(t).reverse();return global_env.get("array->list")(r)}else if(Array.isArray(t)){return t.reverse()}else{throw new Error(typeErrorMessage("reverse",type(t),"array or pair"))}},"(reverse list)\n\n        Function that reverses the list or array. If value is not a list\n        or array it will error."),nth:doc("nth",function e(t,r){typecheck("nth",t,"number");typecheck("nth",r,["array","pair"]);if(r instanceof Pair){var n=r;var i=0;while(i<t){if(!n.cdr||n.cdr===_nil||n.haveCycles("cdr")){return _nil}n=n.cdr;i++}return n.car}else if(r instanceof Array){return r[t]}else{throw new Error(typeErrorMessage("nth",type(r),"array or pair",2))}},"(nth index obj)\n\n        Function that returns the nth element of the list or array.\n        If used with a non-indexable value it will error."),list:doc("list",function e(){for(var t=arguments.length,r=new Array(t),n=0;n<t;n++){r[n]=arguments[n]}return r.reverse().reduce(function(e,t){return new Pair(t,e)},_nil)},"(list . args)\n\n        Function that creates a new list out of its arguments."),substring:doc("substring",function e(t,r,n){typecheck("substring",t,"string");typecheck("substring",r,"number");typecheck("substring",n,["number","undefined"]);return t.substring(r.valueOf(),n&&n.valueOf())},"(substring string start end)\n\n        Function that returns the slice of the string starting at start and ending\n        with end."),concat:doc("concat",function e(){for(var t=arguments.length,r=new Array(t),n=0;n<t;n++){r[n]=arguments[n]}r.forEach(function(e,t){return typecheck("concat",e,"string",t+1)});return r.join("")},"(concat . strings)\n\n        Function that creates a new string by joining its arguments."),join:doc("join",function e(t,r){typecheck("join",t,"string");typecheck("join",r,["pair","nil"]);return global_env.get("list->array")(r).join(t)},"(join separator list)\n\n        Function that returns a string by joining elements of the list using separator."),split:doc("split",function e(t,r){typecheck("split",t,["regex","string"]);typecheck("split",r,"string");return global_env.get("array->list")(r.split(t))},"(split separator string)\n\n        Function that creates a list by splitting string by separator which can\n        be a string or regular expression."),replace:doc("replace",function e(t,r,n){typecheck("replace",t,["regex","string"]);typecheck("replace",r,["string","function"]);typecheck("replace",n,"string");return n.replace(t,r)},"(replace pattern replacement string)\n\n        Function that changes pattern to replacement inside string. Pattern can be a\n        string or regex and replacement can be function or string. See Javascript\n        String.replace()."),match:doc("match",function e(t,r){typecheck("match",t,["regex","string"]);typecheck("match",r,"string");var n=r.match(t);return n?global_env.get("array->list")(n):false},"(match pattern string)\n\n        Function that returns a match object from JavaScript as a list or #f if\n        no match."),search:doc("search",function e(t,r){typecheck("search",t,["regex","string"]);typecheck("search",r,"string");return r.search(t)},"(search pattern string)\n\n        Function that returns the first found index of the pattern inside a string."),repr:doc("repr",function e(t,r){return toString(t,r)},"(repr obj)\n\n        Function that returns a LIPS code representation of the object as a string."),"escape-regex":doc("escape-regex",function(e){typecheck("escape-regex",e,"string");return escape_regex(e.valueOf())},"(escape-regex string)\n\n        Function that returns a new string where all special operators used in regex,\n        are escaped with backslashes so they can be used in the RegExp constructor\n        to match a literal string."),env:doc("env",function e(e){e=e||this.env;var t=Object.keys(e.__env__).map(LSymbol);var r;if(t.length){r=Pair.fromArray(t)}else{r=_nil}if(e.__parent__ instanceof Environment){return global_env.get("env").call(this,e.__parent__).append(r)}return r},"(env)\n        (env obj)\n\n        Function that returns a list of names (functions, macros and variables)\n        that are bound in the current environment or one of its parents."),new:doc("new",function(e){for(var t=arguments.length,r=new Array(t>1?t-1:0),n=1;n<t;n++){r[n-1]=arguments[n]}var i=_construct(unbind(e),_toConsumableArray(r.map(function(e){return unbox(e)})));return i},"(new obj . args)\n\n        Function that creates new JavaScript instance of an object."),typecheck:doc(typecheck,"(typecheck label value type [position])\n\n         Checks the type of value and errors if the type is not one allowed.  Type can be\n         string or list of strings. The position optional argument is used to create a\n         proper error message for the nth argument of function calls."),"unset-special!":doc("unset-special!",function(e){typecheck("remove-special!",e,"string");delete specials.remove(e.valueOf())},"(unset-special! name)\n\n        Function that removes a special symbol from parser added by `set-special!`,\n        name must be a string."),"set-special!":doc("set-special!",function(e,t){var r=arguments.length>2&&arguments[2]!==undefined?arguments[2]:specials.LITERAL;typecheck("set-special!",e,"string",1);typecheck("set-special!",t,"symbol",2);specials.append(e.valueOf(),t,r)},'(set-special! symbol name [type])\n\n        Add a special symbol to the list of transforming operators by the parser.\n        e.g.: `(add-special! "#" \'x)` will allow to use `#(1 2 3)` and it will be\n        transformed into (x (1 2 3)) so you can write x macro that will process\n        the list. 3rd argument is optional, and it can be one of two values:\n        lips.specials.LITERAL, which is the default behavior, or\n        lips.specials.SPLICE which causes the value to be unpacked into the expression.\n        This can be used for e.g. to make `#(1 2 3)` into (x 1 2 3) that is needed\n        by # that defines vectors.'),get:get,".":get,unbind:doc(unbind,"(unbind fn)\n\n         Function that removes the weak 'this' binding from a function so you\n         can get properties from the actual function object."),type:doc(type,"(type object)\n\n         Function that returns the type of an object as string."),debugger:doc("debugger",function(){debugger},'(debugger)\n\n        Function that triggers the JavaScript debugger (e.g. the browser devtools)\n        using the "debugger;" statement. If a debugger is not running this\n        function does nothing.'),in:doc("in",function(e,t){if(e instanceof LSymbol||e instanceof LString||e instanceof LNumber){e=e.valueOf()}return e in unbox(t)},'(in key value)\n\n        Function that uses the Javascript "in" operator to check if key is\n        a valid property in the value.'),instanceof:doc("instanceof",function(e,t){return t instanceof unbind(e)},"(instanceof type obj)\n\n        Predicate that tests if the obj is an instance of type."),"prototype?":doc("prototype?",is_prototype,"(prototype? obj)\n\n         Predicate that tests if value is a valid JavaScript prototype,\n         i.e. calling (new) with it will not throw '<x> is not a constructor'."),"macro?":doc("macro?",function(e){return e instanceof Macro},"(macro? expression)\n\n        Predicate that tests if value is a macro."),"function?":doc("function?",is_function,"(function? expression)\n\n         Predicate that tests if value is a callable function."),"real?":doc("real?",function(e){if(type(e)!=="number"){return false}if(e instanceof LNumber){return e.isFloat()}return LNumber.isFloat(e)},"(real? number)\n\n        Predicate that tests if value is a real number (not complex)."),"number?":doc("number?",function(e){return Number.isNaN(e)||LNumber.isNumber(e)},"(number? expression)\n\n        Predicate that tests if value is a number or NaN value."),"string?":doc("string?",function(e){return LString.isString(e)},"(string? expression)\n\n        Predicate that tests if value is a string."),"pair?":doc("pair?",function(e){return e instanceof Pair},"(pair? expression)\n\n        Predicate that tests if value is a pair or list structure."),"regex?":doc("regex?",function(e){return e instanceof RegExp},"(regex? expression)\n\n        Predicate that tests if value is a regular expression."),"null?":doc("null?",function(e){return is_null(e)},"(null? expression)\n\n        Predicate that tests if value is null-ish (i.e. undefined, nil, or\n        Javascript null)."),"boolean?":doc("boolean?",function(e){return typeof e==="boolean"},"(boolean? expression)\n\n        Predicate that tests if value is a boolean (#t or #f)."),"symbol?":doc("symbol?",function(e){return e instanceof LSymbol},"(symbol? expression)\n\n        Predicate that tests if value is a LIPS symbol."),"array?":doc("array?",function(e){return e instanceof Array},"(array? expression)\n\n        Predicate that tests if value is an array."),"object?":doc("object?",function(e){return e!==_nil&&e!==null&&!(e instanceof LCharacter)&&!(e instanceof RegExp)&&!(e instanceof LString)&&!(e instanceof Pair)&&!(e instanceof LNumber)&&_typeof(e)==="object"&&!(e instanceof Array)},"(object? expression)\n\n        Predicate that tests if value is an plain object (not another LIPS type)."),flatten:doc("flatten",function e(t){typecheck("flatten",t,"pair");return t.flatten()},"(flatten list)\n\n        Returns a shallow list from tree structure (pairs)."),"array->list":doc("array->list",function(e){typecheck("array->list",e,"array");return Pair.fromArray(e)},"(array->list array)\n\n        Function that converts a JavaScript array to a LIPS cons list."),"tree->array":doc("tree->array",to_array("tree->array",true),"(tree->array list)\n\n         Function that converts a LIPS cons tree structure into a JavaScript array."),"list->array":doc("list->array",to_array("list->array"),"(list->array list)\n\n         Function that converts a LIPS list into a JavaScript array."),apply:doc("apply",function e(t){for(var r=arguments.length,n=new Array(r>1?r-1:0),i=1;i<r;i++){n[i-1]=arguments[i]}typecheck("apply",t,"function",1);var a=n.pop();typecheck("apply",a,["pair","nil"],n.length+2);n=n.concat(global_env.get("list->array").call(this,a));return t.apply(this,prepare_fn_args(t,n))},"(apply fn list)\n\n        Function that calls fn with the list of arguments."),length:doc("length",function e(t){if(!t||t===_nil){return 0}if(t instanceof Pair){return t.length()}if("length"in t){return t.length}},'(length expression)\n\n        Function that returns the length of the object. The object can be a LIPS\n        list or any object that has a "length" property. Returns undefined if the\n        length could not be found.'),"string->number":doc("string->number",function(e){var t=arguments.length>1&&arguments[1]!==undefined?arguments[1]:10;typecheck("string->number",e,"string",1);typecheck("string->number",t,"number",2);e=e.valueOf();t=t.valueOf();if(e.match(rational_bare_re)||e.match(rational_re)){return parse_rational(e,t)}else if(e.match(complex_bare_re)||e.match(complex_re)){return parse_complex(e,t)}else{var r=t===10&&!e.match(/e/i)||t===16;if(e.match(int_bare_re)&&r||e.match(int_re)){return parse_integer(e,t)}if(e.match(float_re)){return parse_float(e)}}return false},"(string->number number [radix])\n\n        Function that parses a string into a number."),try:doc(new Macro("try",function(t,e){var c=this;var r=e.use_dynamic,l=e.error;return new Promise(function(n,i){var a,o;if(LSymbol.is(t.cdr.car.car,"catch")){a=t.cdr.car;if(t.cdr.cdr instanceof Pair&&LSymbol.is(t.cdr.cdr.car.car,"finally")){o=t.cdr.cdr.car}}else if(LSymbol.is(t.cdr.car.car,"finally")){o=t.cdr.car}if(!(o||a)){throw new Error("try: invalid syntax")}var u=n;if(o){u=function e(t,r){u=i;unpromise(_evaluate(new Pair(new LSymbol("begin"),o.cdr),s),function(){r(t)})}}var s={env:c,use_dynamic:r,dynamic_env:c,error:function(t){function e(e){return t.apply(this,arguments)}e.toString=function(){return t.toString()};return e}(function(e){var t=c.inherit("try");if(a){t.set(a.cdr.car.car,e);var r={env:t,error:l};r.dynamic_env=c;unpromise(_evaluate(new Pair(new LSymbol("begin"),a.cdr.cdr),r),function(e){u(e,n)})}else{u(e,l)}})};var e=_evaluate(t.car,s);if(is_promise(e)){e.then(function(e){u(e,n)})["catch"](s.error)}else{u(e,n)}})}),"(try expr (catch (e) code))\n         (try expr (catch (e) code) (finally code))\n         (try expr (finally code))\n\n         Macro that executes expr and catches any exceptions thrown. If catch is provided\n         it's executed when an error is thrown. If finally is provided it's always\n         executed at the end."),raise:doc("raise",function(e){throw e},"(raise obj)\n\n        Throws the object verbatim (no wrapping an a new Error)."),throw:doc("throw",function(e){throw new Error(e)},"(throw string)\n\n        Throws a new exception."),find:doc("find",function t(r,n){typecheck("find",r,["regex","function"]);typecheck("find",n,["pair","nil"]);if(is_null(n)){return _nil}var e=matcher("find",r);return unpromise(e(n.car),function(e){if(e&&e!==_nil){return n.car}return t(r,n.cdr)})},"(find fn list)\n        (find regex list)\n\n        Higher-order function that finds the first value for which fn return true.\n        If called with a regex it will create a matcher function."),"for-each":doc("for-each",function(e){var t;typecheck("for-each",e,"function");for(var r=arguments.length,n=new Array(r>1?r-1:0),i=1;i<r;i++){n[i-1]=arguments[i]}n.forEach(function(e,t){typecheck("for-each",e,["pair","nil"],t+1)});var a=(t=global_env.get("map")).call.apply(t,[this,e].concat(n));if(is_promise(a)){return a.then(function(){})}},"(for-each fn . lists)\n\n        Higher-order function that calls function `fn` on each\n        value of the argument. If you provide more than one list\n        it will take each value from each list and call `fn` function\n        with that many arguments as number of list arguments."),map:doc("map",function e(r){var n=this;for(var t=arguments.length,i=new Array(t>1?t-1:0),a=1;a<t;a++){i[a-1]=arguments[a]}typecheck("map",r,"function");var o=global_env.get("list?");i.forEach(function(e,t){typecheck("map",e,["pair","nil"],t+1);if(e instanceof Pair&&!o.call(n,e)){throw new Error("map: argument ".concat(t+1," is not a list"))}});if(i.length===0){return _nil}if(i.some(function(e){return e===_nil})){return _nil}var u=i.map(function(e){return e.car});var s=this.env,c=this.dynamic_env,l=this.use_dynamic;var f=call_function(r,u,{env:s,dynamic_env:c,use_dynamic:l});return unpromise(f,function(t){return unpromise(e.call.apply(e,[n,r].concat(_toConsumableArray(i.map(function(e){return e.cdr})))),function(e){return new Pair(t,e)})})},"(map fn . lists)\n\n        Higher-order function that calls function `fn` with each\n        value of the list. If you provide more then one list as argument\n        it will take each value from each list and call `fn` function\n        with that many argument as number of list arguments. The return\n        values of the fn calls are accumulated in a result list and\n        returned by map."),"list?":doc("list?",function(e){var t=e;while(true){if(t===_nil){return true}if(!(t instanceof Pair)){return false}if(t.haveCycles("cdr")){return false}t=t.cdr}},'(list? obj)\n\n        Predicate that tests if value is a proper linked list structure.\n        The car of each pair can be any value. It returns false on cyclic lists."'),some:doc("some",function t(r,n){typecheck("some",r,"function");typecheck("some",n,["pair","nil"]);if(is_null(n)){return false}else{return unpromise(r(n.car),function(e){return e||t(r,n.cdr)})}},"(some fn list)\n\n        Higher-order function that calls fn on each element of the list.\n        It stops and returns true when fn returns true for a value.\n        If none of the values give true, some will return false.\n        Analogous to Python any(map(fn, list))."),fold:doc("fold",fold("fold",function(e,t,r){for(var n=arguments.length,i=new Array(n>3?n-3:0),a=3;a<n;a++){i[a-3]=arguments[a]}typecheck("fold",t,"function");i.forEach(function(e,t){typecheck("fold",e,["pair","nil"],t+1)});if(i.some(function(e){return e===_nil})){return r}var o=e.call.apply(e,[this,t,r].concat(_toConsumableArray(i.map(function(e){return e.cdr}))));return unpromise(o,function(e){return t.apply(void 0,_toConsumableArray(i.map(function(e){return e.car})).concat([e]))})}),"(fold fn init . lists)\n\n         Function fold is left-to-right reversal of reduce. It call `fn`\n         on each pair of elements of the list and returns a single value.\n         e.g. it computes (fn 'a 'x (fn 'b 'y (fn 'c 'z 'foo)))\n         for: (fold fn 'foo '(a b c) '(x y z))"),pluck:doc("pluck",function e(){for(var t=arguments.length,a=new Array(t),r=0;r<t;r++){a[r]=arguments[r]}return function(t){a=a.map(function(e){return e instanceof LSymbol?e.__name__:e});if(a.length===0){return _nil}else if(a.length===1){var e=a,r=_slicedToArray(e,1),n=r[0];return t[n]}var i={};a.forEach(function(e){i[e]=t[e]});return i}},"(pluck . strings)\n\n        If called with a single string it will return a function that when\n        called with an object will return that key from the object.\n        If called with more then one string the returned function will\n        create a new object by copying all properties from the given object."),reduce:doc("reduce",fold("reduce",function(t,r,e){var n=this;for(var i=arguments.length,a=new Array(i>3?i-3:0),o=3;o<i;o++){a[o-3]=arguments[o]}typecheck("reduce",r,"function");a.forEach(function(e,t){typecheck("reduce",e,["pair","nil"],t+1)});if(a.some(function(e){return e===_nil})){return e}return unpromise(r.apply(void 0,_toConsumableArray(a.map(function(e){return e.car})).concat([e])),function(e){return t.call.apply(t,[n,r,e].concat(_toConsumableArray(a.map(function(e){return e.cdr}))))})}),"(reduce fn init list . lists)\n\n         Higher-order function that takes each element of the list and calls\n         the fn with result of previous call or init and the next element\n         of the list until each element is processed, and returns a single value\n         as result of last call to `fn` function.\n         e.g. it computes (fn 'c 'z (fn 'b 'y (fn 'a 'x 'foo)))\n         for: (reduce fn 'foo '(a b c) '(x y z))"),filter:doc("filter",function e(t,r){typecheck("filter",t,["regex","function"]);typecheck("filter",r,["pair","nil"]);var i=global_env.get("list->array")(r);var a=[];var o=matcher("filter",t);return function t(r){function e(e){if(e&&e!==_nil){a.push(n)}return t(++r)}if(r===i.length){return Pair.fromArray(a)}var n=i[r];return unpromise(o(n),e)}(0)},"(filter fn list)\n        (filter regex list)\n\n        Higher-order function that calls `fn` for each element of the list\n        and return a new list for only those elements for which fn returns\n        a truthy value. If called with a regex it will create a matcher function."),compose:doc(compose,"(compose . fns)\n\n         Higher-order function that creates a new function that applies all functions\n         from right to left and returns the last value. Reverse of pipe.\n         e.g.:\n         ((compose (curry + 2) (curry * 3)) 10) --\x3e (+ 2 (* 3 10)) --\x3e 32"),pipe:doc(pipe,"(pipe . fns)\n\n         Higher-order function that creates a new function that applies all functions\n         from left to right and returns the last value. Reverse of compose.\n         e.g.:\n         ((pipe (curry + 2) (curry * 3)) 10) --\x3e (* 3 (+ 2 10)) --\x3e 36"),curry:doc(curry,"(curry fn . args)\n\n         Higher-order function that creates a curried version of the function.\n         The result function will have partially applied arguments and it\n         will keep returning one-argument functions until all arguments are provided,\n         then it calls the original function with the accumulated arguments.\n\n         e.g.:\n         (define (add a b c d) (+ a b c d))\n         (define add1 (curry add 1))\n         (define add12 (add 2))\n         (display (add12 3 4))"),gcd:doc("gcd",function e(){for(var t=arguments.length,r=new Array(t),n=0;n<t;n++){r[n]=arguments[n]}typecheck_args("lcm",r,"number");return r.reduce(function(e,t){return e.gcd(t)})},"(gcd n1 n2 ...)\n\n        Function that returns the greatest common divisor of the arguments."),lcm:doc("lcm",function e(){for(var t=arguments.length,r=new Array(t),n=0;n<t;n++){r[n]=arguments[n]}typecheck_args("lcm",r,"number");var i=r.length,a=abs(r[0]);for(var o=1;o<i;o++){var u=abs(r[o]),s=a;while(a&&u){a>u?a%=u:u%=a}a=abs(s*r[o])/(a+u)}return LNumber(a)},"(lcm n1 n2 ...)\n\n        Function that returns the least common multiple of the arguments."),"odd?":doc("odd?",single_math_op(function(e){return LNumber(e).isOdd()}),"(odd? number)\n\n         Checks if number is odd."),"even?":doc("even?",single_math_op(function(e){return LNumber(e).isEven()}),"(even? number)\n\n         Checks if number is even."),"*":doc("*",reduce_math_op(function(e,t){return LNumber(e).mul(t)},LNumber(1)),"(* . numbers)\n\n        Multiplies all numbers passed as arguments. If single value is passed\n        it will return that value."),"+":doc("+",reduce_math_op(function(e,t){return LNumber(e).add(t)},LNumber(0)),"(+ . numbers)\n\n        Sums all numbers passed as arguments. If single value is passed it will\n        return that value."),"-":doc("-",function(){for(var e=arguments.length,t=new Array(e),r=0;r<e;r++){t[r]=arguments[r]}if(t.length===0){throw new Error("-: procedure require at least one argument")}typecheck_args("-",t,"number");if(t.length===1){return LNumber(t[0]).sub()}if(t.length){return t.reduce(binary_math_op(function(e,t){return LNumber(e).sub(t)}))}},"(- n1 n2 ...)\n        (- n)\n\n        Subtracts n2 and subsequent numbers from n1. If only one argument is passed\n        it will negate the value."),"/":doc("/",function(){for(var e=arguments.length,t=new Array(e),r=0;r<e;r++){t[r]=arguments[r]}if(t.length===0){throw new Error("/: procedure require at least one argument")}typecheck_args("/",t,"number");if(t.length===1){return LNumber(1).div(t[0])}return t.reduce(binary_math_op(function(e,t){return LNumber(e).div(t)}))},"(/ n1 n2 ...)\n        (/ n)\n\n        Divides n1 by n2 and subsequent arguments one by one. If single argument\n        is passed it will calculate (/ 1 n)."),abs:doc("abs",single_math_op(function(e){return LNumber(e).abs()}),"(abs number)\n\n         Function that returns the absolute value (magnitude) of number."),truncate:doc("truncate",function(e){typecheck("truncate",e,"number");if(LNumber.isFloat(e)){if(e instanceof LNumber){e=e.valueOf()}return LFloat(truncate(e))}return e},"(truncate n)\n\n        Function that returns the integer part (floor) of a real number."),sqrt:doc("sqrt",single_math_op(function(e){return LNumber(e).sqrt()}),"(sqrt number)\n\n         Function that returns the square root of the number."),"**":doc("**",binary_math_op(function(e,t){e=LNumber(e);t=LNumber(t);if(t.cmp(0)===-1){return LFloat(1).div(e).pow(t.sub())}return e.pow(t)}),"(** a b)\n\n         Function that calculates number a to to the power of b."),"1+":doc("1+",single_math_op(function(e){return LNumber(e).add(1)}),"(1+ number)\n\n         Function that adds 1 to the number and return result."),"1-":doc(single_math_op(function(e){return LNumber(e).sub(1)}),"(1- number)\n\n         Function that subtracts 1 from the number and return result."),"%":doc("%",function(e,t){typecheck_args("%",[e,t],"number");return LNumber(e).rem(t)},"(% n1 n2)\n\n        Function returns the remainder of n1/n2 (modulo)."),"==":doc("==",function(){for(var e=arguments.length,t=new Array(e),r=0;r<e;r++){t[r]=arguments[r]}typecheck_args("==",t,"number");return seq_compare(function(e,t){return LNumber(e).cmp(t)===0},t)},"(== x1 x2 ...)\n\n        Function that compares its numerical arguments and checks if they are\n        all equal."),">":doc(">",function(){for(var e=arguments.length,t=new Array(e),r=0;r<e;r++){t[r]=arguments[r]}typecheck_numbers(">",t,["bigint","float","rational"]);return seq_compare(function(e,t){return LNumber(e).cmp(t)===1},t)},"(> x1 x2 x3 ...)\n\n        Function that compares its numerical arguments and checks if they are\n        monotonically decreasing, i.e. x1 > x2 and x2 > x3 and so on."),"<":doc("<",function(){for(var e=arguments.length,t=new Array(e),r=0;r<e;r++){t[r]=arguments[r]}typecheck_numbers("<",t,["bigint","float","rational"]);return seq_compare(function(e,t){return LNumber(e).cmp(t)===-1},t)},"(< x1 x2 ...)\n\n        Function that compares its numerical arguments and checks if they are\n        monotonically increasing, i.e. x1 < x2 and x2 < x3 and so on."),"<=":doc("<=",function(){for(var e=arguments.length,t=new Array(e),r=0;r<e;r++){t[r]=arguments[r]}typecheck_numbers("<=",t,["bigint","float","rational"]);return seq_compare(function(e,t){return[0,-1].includes(LNumber(e).cmp(t))},t)},"(<= x1 x2 ...)\n\n        Function that compares its numerical arguments and checks if they are\n        monotonically nondecreasing, i.e. x1 <= x2 and x2 <= x3 and so on."),">=":doc(">=",function(){for(var e=arguments.length,t=new Array(e),r=0;r<e;r++){t[r]=arguments[r]}typecheck_numbers(">=",t,["bigint","float","rational"]);return seq_compare(function(e,t){return[0,1].includes(LNumber(e).cmp(t))},t)},"(>= x1 x2 ...)\n\n        Function that compares its numerical arguments and checks if they are\n        monotonically nonincreasing, i.e. x1 >= x2 and x2 >= x3 and so on."),"eq?":doc("eq?",equal,"(eq? a b)\n\n         Function that compares two values if they are identical."),or:doc(new Macro("or",function(e,t){var i=t.use_dynamic,a=t.error;var o=global_env.get("list->array")(e);var u=this;var s=u;if(!o.length){return false}var c;return function t(){function e(e){c=e;if(c!==false){return c}else{return t()}}if(!o.length){if(c!==false){return c}else{return false}}else{var r=o.shift();var n=_evaluate(r,{env:u,dynamic_env:s,use_dynamic:i,error:a});return unpromise(n,e)}}()}),"(or . expressions)\n\n         Macro that executes the values one by one and returns the first that is\n         a truthy value. If there are no expressions that evaluate to true it\n         returns false."),and:doc(new Macro("and",function(e){var t=arguments.length>1&&arguments[1]!==undefined?arguments[1]:{},r=t.use_dynamic,n=t.error;var i=global_env.get("list->array")(e);var a=this;var o=a;if(!i.length){return true}var u;var s={env:a,dynamic_env:o,use_dynamic:r,error:n};return function t(){function e(e){u=e;if(u===false){return false}else{return t()}}if(!i.length){if(u!==false){return u}else{return false}}else{var r=i.shift();return unpromise(_evaluate(r,s),e)}}()}),"(and . expressions)\n\n         Macro that evaluates each expression in sequence and if any value returns false\n         it will stop and return false. If each value returns true it will return the\n         last value. If it's called without arguments it will return true."),"|":doc("|",function(e,t){return LNumber(e).or(t)},"(| a b)\n\n        Function that calculates the bitwise or operation."),"&":doc("&",function(e,t){return LNumber(e).and(t)},"(& a b)\n\n        Function that calculates the bitwise and operation."),"~":doc("~",function(e){return LNumber(e).neg()},"(~ number)\n\n        Function that calculates the bitwise inverse (flip all the bits)."),">>":doc(">>",function(e,t){return LNumber(e).shr(t)},"(>> a b)\n\n        Function that right shifts the value a by value b bits."),"<<":doc("<<",function(e,t){return LNumber(e).shl(t)},"(<< a b)\n\n        Function that left shifts the value a by value b bits."),not:doc("not",function e(t){if(is_null(t)){return true}return!t},"(not object)\n\n        Function that returns the Boolean negation of its argument.")},undefined,"global");var user_env=global_env.inherit("user-env");function set_interaction_env(e,t){e.constant("**internal-env**",t);e.doc("**internal-env**","**internal-env**\n\n         Constant used to hide stdin, stdout and stderr so they don't interfere\n         with variables with the same name. Constants are an internal type\n         of variable that can't be redefined, defining a variable with the same name\n         will throw an error.");global_env.set("**interaction-environment**",e)}set_interaction_env(user_env,internal_env);global_env.doc("**interaction-environment**","**interaction-environment**\n\n    Internal dynamic, global variable used to find interpreter environment.\n    It's used so the read and write functions can locate **internal-env**\n    that contains the references to stdin, stdout and stderr.");(function(){var e={ceil:"ceiling"};["floor","round","ceil"].forEach(function(t){var r=e[t]?e[t]:t;global_env.set(r,doc(r,function(e){typecheck(r,e,"number");if(e instanceof LNumber){return e[t]()}},"(".concat(r," number)\n\n            Function that calculates the ").concat(r," of a number.")))})})();function allPossibleCases(e){if(e.length===1){return e[0]}else{var t=[];var r=allPossibleCases(e.slice(1));for(var n=0;n<r.length;n++){for(var 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t=[];r(e);if(t.length){return a(e)}return e;function r(e){if(is_promise(e)){t.push(e)}else if(e instanceof Pair){if(!e.haveCycles("car")){r(e.car)}if(!e.haveCycles("cdr")){r(e.cdr)}}else if(e instanceof Array){e.forEach(r)}}function n(e){return i.apply(this,arguments)}function i(){i=_asyncToGenerator(_regeneratorRuntime.mark(function e(r){var n;return _regeneratorRuntime.wrap(function e(t){while(1){switch(t.prev=t.next){case 0:t.t0=Pair;if(!r.haveCycles("car")){t.next=5;break}t.t1=r.car;t.next=8;break;case 5:t.next=7;return a(r.car);case 7:t.t1=t.sent;case 8:t.t2=t.t1;if(!r.haveCycles("cdr")){t.next=13;break}t.t3=r.cdr;t.next=16;break;case 13:t.next=15;return a(r.cdr);case 15:t.t3=t.sent;case 16:t.t4=t.t3;n=new t.t0(t.t2,t.t4);if(r[__data__]){n[__data__]=true}return t.abrupt("return",n);case 20:case"end":return t.stop()}}},e)}));return i.apply(this,arguments)}function a(e){if(e instanceof Array){return promise_all(e.map(a))}if(e instanceof Pair&&t.length){return n(e)}return e}}function 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r=e.get(t.__name__,{throwError:false});if(is_parameter(r)&&r!==t){return r}var n=user_env.get("**interaction-environment**");while(true){var i=e.get("parent.frame",{throwError:false});e=i(0);if(e===n){break}r=e.get(t.__name__,{throwError:false});if(is_parameter(r)&&r!==t){return r}}return t}var Continuation=function(){function t(e){_classCallCheck(this,t);_defineProperty(this,"__value__",void 0);this.__value__=e}_createClass(t,[{key:"invoke",value:function e(){if(this.__value__===null){throw new Error("Continuations are not implemented yet")}}}]);return t}();var noop=function e(){};function _evaluate(u){var e=arguments.length>1&&arguments[1]!==undefined?arguments[1]:{},s=e.env,c=e.dynamic_env,l=e.use_dynamic,t=e.error,f=t===void 0?noop:t,r=_objectWithoutProperties(e,_excluded6);return function(e){try{if(!is_env(c)){c=s===true?user_env:s||user_env}if(l){s=c}else if(s===true){s=user_env}else{s=s||global_env}var t={env:s,dynamic_env:c,use_dynamic:l,error:f};var r;if(is_null(u)){return 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e;if(document.currentScript){e=document.currentScript}else{var t=document.querySelectorAll("script");if(!t.length){return}e=t[t.length-1]}var r=e.getAttribute("src");return r}var current_script=get_current_script();function bootstrap(){var e=arguments.length>0&&arguments[0]!==undefined?arguments[0]:"";var t="dist/std.xcb";if(e===""){if(current_script){e=current_script.replace(/[^/]*$/,"std.xcb")}else if(is_dev()){e="https://cdn.jsdelivr.net/gh/jcubic/lips@devel/".concat(t)}else{e="https://cdn.jsdelivr.net/npm/@jcubic/lips@".concat(lips.version,"/").concat(t)}}var r=global_env.get("load");return r.call(user_env,e,global_env)}function Worker(e){this.url=e;var o=this.worker=fworker(function(){var o;var u;self.addEventListener("message",function(e){var r=e.data;var t=r.id;if(r.type!=="RPC"||t===null){return}function n(e){self.postMessage({id:t,type:"RPC",result:e})}function i(e){self.postMessage({id:t,type:"RPC",error:e})}if(r.method==="eval"){if(!u){i("Worker RPC: LIPS not initialized, call init first");return}u.then(function(){var e=r.params[0];var t=r.params[1];o.exec(e,{use_dynamic:t}).then(function(e){e=e.map(function(e){return e&&e.valueOf()});n(e)})["catch"](function(e){i(e)})})}else if(r.method==="init"){var a=r.params[0];if(typeof a!=="string"){i("Worker RPC: url is not a string")}else{importScripts("".concat(a,"/dist/lips.min.js"));o=new lips.Interpreter("worker");u=bootstrap(a);u.then(function(){n(true)})}}})});this.rpc=function(){var n=0;return function e(t,r){var a=++n;return new Promise(function(n,i){o.addEventListener("message",function e(t){var r=t.data;if(r&&r.type==="RPC"&&r.id===a){if(r.error){i(r.error)}else{n(r.result)}o.removeEventListener("message",e)}});o.postMessage({type:"RPC",method:t,id:a,params:r})})}}();this.rpc("init",[e])["catch"](function(e){console.error(e)});this.exec=function(e,t){var r=t.use_dynamic,n=r===void 0?false:r;return this.rpc("eval",[e,n])}}var serialization_map={pair:function e(t){var r=_slicedToArray(t,2),n=r[0],i=r[1];return Pair(n,i)},number:function e(t){if(LString.isString(t)){return LNumber([t,10])}return LNumber(t)},regex:function e(t){var r=_slicedToArray(t,2),n=r[0],i=r[1];return new RegExp(n,i)},nil:function e(){return _nil},symbol:function e(t){if(LString.isString(t)){return LSymbol(t)}else if(Array.isArray(t)){return LSymbol(Symbol["for"](t[0]))}},string:LString,character:LCharacter};var available_class=Object.keys(serialization_map);var class_map={};for(var _i6=0,_Object$entries3=Object.entries(available_class);_i6<_Object$entries3.length;_i6++){var _Object$entries3$_i=_slicedToArray(_Object$entries3[_i6],2),i=_Object$entries3$_i[0],cls=_Object$entries3$_i[1];class_map[cls]=+i}function mangle_name(e){return class_map[e]}function resolve_name(e){return available_class[e]}function serialize(e){return JSON.stringify(e,function(e,t){var r=this[e];if(r){if(r instanceof RegExp){return{"@":mangle_name("regex"),"#":[r.source,r.flags]}}var n=mangle_name(r.constructor.__class__);if(!is_undef(n)){return{"@":n,"#":r.serialize()}}}return t})}function unserialize(e){return JSON.parse(e,function(e,t){if(t&&_typeof(t)==="object"){if(!is_undef(t["@"])){var r=resolve_name(t["@"]);if(serialization_map[r]){return serialization_map[r](t["#"])}}}return t})}var cbor=function(){var e={pair:Pair,symbol:LSymbol,number:LNumber,string:LString,character:LCharacter,nil:_nil.constructor,regex:RegExp};function t(e,t){return{deserialize:t,Class:e}}var r=new Encoder;var a={};for(var n=0,i=Object.entries(serialization_map);n<i.length;n++){var o=_slicedToArray(i[n],2),u=o[0],s=o[1];var l=e[u];a[u]=t(l,s)}var c=43311;Object.keys(a).forEach(function(e){var t=a[e];if(typeof t==="function"){var r=t;addExtension({Class:r,tag:c,encode:function e(t,r){r(t.serialize())},decode:function e(t){return new r(t)}})}else{var n=t.deserialize,i=t.Class;addExtension({Class:i,tag:c,encode:function e(t,r){if(t instanceof RegExp){return r([t.source,t.flags])}r(t.serialize())},decode:function e(t){return n(t)}})}c++});return r}();function merge_uint8_array(){for(var e=arguments.length,t=new Array(e),r=0;r<e;r++){t[r]=arguments[r]}if(t.length>1){var n=t.reduce(function(e,t){return e+t.length},0);var i=new Uint8Array(n);var a=0;t.forEach(function(e){i.set(e,a);a+=e.length});return i}else if(t.length){return t[0]}}function encode_magic(){var e=1;var t=new TextEncoder("utf-8");return t.encode("LIPS".concat(e.toString().padStart(3," ")))}var MAGIC_LENGTH=7;function decode_magic(e){var t=new TextDecoder("utf-8");var r=t.decode(e.slice(0,MAGIC_LENGTH));var n=r.substring(0,4);if(n==="LIPS"){var i=r.match(/^(....).*([0-9]+)$/);if(i){return{type:i[1],version:Number(i[2])}}}return{type:"unknown"}}function serialize_bin(e){var t=encode_magic();var r=cbor.encode(e);return merge_uint8_array(t,pack_1(r,{magic:false}))}function unserialize_bin(e){var t=decode_magic(e),r=t.type,n=t.version;if(r==="LIPS"&&n===1){var i=unpack_1(e.slice(MAGIC_LENGTH),{magic:false});return cbor.decode(i)}else{throw new Error("Invalid file format ".concat(r))}}function execError(e){console.error(e.message||e);if(e.code){console.error(e.code.map(function(e,t){return"[".concat(t+1,"]: ").concat(e)}))}}function init(){var o=["text/x-lips","text/x-scheme"];var u;function s(r){return new Promise(function(t){var e=r.getAttribute("src");if(e){return fetch(e).then(function(e){return e.text()}).then(exec).then(t)["catch"](function(e){execError(e);t()})}else{return exec(r.innerHTML).then(t)["catch"](function(e){execError(e);t()})}})}function e(){return new Promise(function(i){var a=Array.from(document.querySelectorAll("script"));return function e(){var t=a.shift();if(!t){i()}else{var r=t.getAttribute("type");if(o.includes(r)){var n=t.getAttribute("bootstrap");if(!u&&typeof n==="string"){return bootstrap(n).then(function(){return s(t)}).then(e)}else{return s(t).then(e)}}else if(r&&r.match(/lips|lisp/)){console.warn("Expecting "+o.join(" or ")+" found "+r)}return e()}}()})}if(!window.document){return Promise.resolve()}else if(currentScript){var t=currentScript;var r=t.getAttribute("bootstrap");if(typeof r==="string"){return bootstrap(r).then(function(){u=true;return e()})}}return e()}var currentScript=typeof window!=="undefined"&&window.document&&document.currentScript;if(typeof window!=="undefined"){contentLoaded(window,init)}var banner=function(){var e=LString("Mon, 15 Jan 2024 15:20:04 +0000").valueOf();var t=e==="{{"+"DATE}}"?new Date:new Date(e);var r=function e(t){return t.toString().padStart(2,"0")};var n=t.getFullYear();var i=[n,r(t.getMonth()+1),r(t.getDate())].join("-");var a="\n  __ __                          __\n / / \\ \\       _    _  ___  ___  \\ \\\n| |   \\ \\     | |  | || . \\/ __>  | |\n| |    > \\    | |_ | ||  _/\\__ \\  | |\n| |   / ^ \\   |___||_||_|  <___/  | |\n \\_\\ /_/ \\_\\                     /_/\n\nLIPS Interpreter DEV (".concat(i,") <https://lips.js.org>\nCopyright (c) 2018-").concat(n," Jakub T. Jankiewicz\n\nType (env) to see environment with functions macros and variables. You can also\nuse (help name) to display help for specific function or macro, (apropos name)\nto display list of matched names in environment and (dir object) to list\nproperties of an object.\n").replace(/^.*\n/,"");return a}();read_only(Ahead,"__class__","ahead");read_only(Pair,"__class__","pair");read_only(Nil,"__class__","nil");read_only(Pattern,"__class__","pattern");read_only(Formatter,"__class__","formatter");read_only(Macro,"__class__","macro");read_only(Syntax,"__class__","syntax");read_only(Environment,"__class__","environment");read_only(InputPort,"__class__","input-port");read_only(OutputPort,"__class__","output-port");read_only(BufferedOutputPort,"__class__","output-port");read_only(OutputStringPort,"__class__","output-string-port");read_only(InputStringPort,"__class__","input-string-port");read_only(InputFilePort,"__class__","input-file-port");read_only(OutputFilePort,"__class__","output-file-port");read_only(LipsError,"__class__","lips-error");[LNumber,LComplex,LRational,LFloat,LBigInteger].forEach(function(e){read_only(e,"__class__","number")});read_only(LCharacter,"__class__","character");read_only(LSymbol,"__class__","symbol");read_only(LString,"__class__","string");read_only(QuotedPromise,"__class__","promise");read_only(Parameter,"__class__","parameter");var version="DEV";var date="Mon, 15 Jan 2024 15:20:04 +0000";var parse=compose(uniterate_async,_parse);var lips={version:version,banner:banner,date:date,exec:exec,parse:parse,tokenize:tokenize,evaluate:_evaluate,compile:compile,serialize:serialize,unserialize:unserialize,serialize_bin:serialize_bin,unserialize_bin:unserialize_bin,bootstrap:bootstrap,Environment:Environment,env:user_env,Worker:Worker,Interpreter:Interpreter,balanced_parenthesis:balanced,balancedParenthesis:balanced,balanced:balanced,Macro:Macro,Syntax:Syntax,Pair:Pair,Values:Values,QuotedPromise:QuotedPromise,Error:LipsError,quote:quote,InputPort:InputPort,OutputPort:OutputPort,BufferedOutputPort:BufferedOutputPort,InputFilePort:InputFilePort,OutputFilePort:OutputFilePort,InputStringPort:InputStringPort,OutputStringPort:OutputStringPort,InputByteVectorPort:InputByteVectorPort,OutputByteVectorPort:OutputByteVectorPort,InputBinaryFilePort:InputBinaryFilePort,OutputBinaryFilePort:OutputBinaryFilePort,Formatter:Formatter,Parser:Parser,Lexer:Lexer,specials:specials,repr:repr,nil:_nil,eof:eof,LSymbol:LSymbol,LNumber:LNumber,LFloat:LFloat,LComplex:LComplex,LRational:LRational,LBigInteger:LBigInteger,LCharacter:LCharacter,LString:LString,Parameter:Parameter,rationalize:rationalize};global_env.set("lips",lips);var empty={};var empty$1=Object.freeze({__proto__:null,default:empty});function normalizeArray(e,t){var r=0;for(var n=e.length-1;n>=0;n--){var i=e[n];if(i==="."){e.splice(n,1)}else if(i===".."){e.splice(n,1);r++}else if(r){e.splice(n,1);r--}}if(t){for(;r--;r){e.unshift("..")}}return e}var splitPathRe=/^(\/?|)([\s\S]*?)((?:\.{1,2}|[^\/]+?|)(\.[^.\/]*|))(?:[\/]*)$/;var splitPath=function(e){return splitPathRe.exec(e).slice(1)};function resolve(){var e="",t=false;for(var r=arguments.length-1;r>=-1&&!t;r--){var n=r>=0?arguments[r]:"/";if(typeof n!=="string"){throw new TypeError("Arguments to path.resolve must be strings")}else if(!n){continue}e=n+"/"+e;t=n.charAt(0)==="/"}e=normalizeArray(filter(e.split("/"),function(e){return!!e}),!t).join("/");return(t?"/":"")+e||"."}function normalize(e){var t=isAbsolute(e),r=substr(e,-1)==="/";e=normalizeArray(filter(e.split("/"),function(e){return!!e}),!t).join("/");if(!e&&!t){e="."}if(e&&r){e+="/"}return(t?"/":"")+e}function isAbsolute(e){return e.charAt(0)==="/"}function join(){var e=Array.prototype.slice.call(arguments,0);return normalize(filter(e,function(e,t){if(typeof e!=="string"){throw new TypeError("Arguments to path.join must be strings")}return e}).join("/"))}function relative(e,t){e=resolve(e).substr(1);t=resolve(t).substr(1);function r(e){var t=0;for(;t<e.length;t++){if(e[t]!=="")break}var r=e.length-1;for(;r>=0;r--){if(e[r]!=="")break}if(t>r)return[];return e.slice(t,r-t+1)}var n=r(e.split("/"));var i=r(t.split("/"));var a=Math.min(n.length,i.length);var o=a;for(var u=0;u<a;u++){if(n[u]!==i[u]){o=u;break}}var s=[];for(var u=o;u<n.length;u++){s.push("..")}s=s.concat(i.slice(o));return s.join("/")}var sep="/";var delimiter=":";function dirname(e){var t=splitPath(e),r=t[0],n=t[1];if(!r&&!n){return"."}if(n){n=n.substr(0,n.length-1)}return r+n}function basename(e,t){var r=splitPath(e)[2];if(t&&r.substr(-1*t.length)===t){r=r.substr(0,r.length-t.length)}return r}function extname(e){return splitPath(e)[3]}var path={extname:extname,basename:basename,dirname:dirname,sep:sep,delimiter:delimiter,relative:relative,join:join,isAbsolute:isAbsolute,normalize:normalize,resolve:resolve};function filter(e,t){if(e.filter)return e.filter(t);var r=[];for(var n=0;n<e.length;n++){if(t(e[n],n,e))r.push(e[n])}return r}var substr="ab".substr(-1)==="b"?function(e,t,r){return e.substr(t,r)}:function(e,t,r){if(t<0)t=e.length+t;return e.substr(t,r)};var path$1=Object.freeze({__proto__:null,resolve:resolve,normalize:normalize,isAbsolute:isAbsolute,join:join,relative:relative,sep:sep,delimiter:delimiter,dirname:dirname,basename:basename,extname:extname,default:path});export{BufferedOutputPort,Environment,LipsError as Error,Formatter,InputBinaryFilePort,InputByteVectorPort,InputFilePort,InputPort,InputStringPort,Interpreter,LBigInteger,LCharacter,LComplex,LFloat,LNumber,LRational,LString,LSymbol,Lexer,Macro,OutputBinaryFilePort,OutputByteVectorPort,OutputFilePort,OutputPort,OutputStringPort,Pair,Parameter,Parser,QuotedPromise,Syntax,Values,Worker,balanced,balanced as balancedParenthesis,balanced as balanced_parenthesis,banner,bootstrap,compile,date,user_env as env,eof,_evaluate as evaluate,exec,_nil as nil,parse,quote,rationalize,repr,serialize,serialize_bin,specials,tokenize,unserialize,unserialize_bin,version};
\ No newline at end of file
diff --git a/dist/lips.js b/dist/lips.js
index 99f0e388e..c90fc1e83 100644
--- a/dist/lips.js
+++ b/dist/lips.js
@@ -5802,7 +5802,7 @@
    * Copyright (c) 2014-present, Facebook, Inc.
    * released under MIT license
    *
-   * build: Mon, 15 Jan 2024 14:57:03 +0000
+   * build: Mon, 15 Jan 2024 15:20:04 +0000
    */
   var _excluded = ["token"],
     _excluded2 = ["env"],
@@ -12176,24 +12176,7 @@
   };
   // -------------------------------------------------------------------------
   LComplex.prototype.cmp = function (n) {
-    var _this$coerce11 = this.coerce(n),
-      _this$coerce12 = _slicedToArray(_this$coerce11, 2),
-      a = _this$coerce12[0],
-      b = _this$coerce12[1];
-    var _a$__re__$coerce = a.__re__.coerce(b.__re__),
-      _a$__re__$coerce2 = _slicedToArray(_a$__re__$coerce, 2),
-      re_a = _a$__re__$coerce2[0],
-      re_b = _a$__re__$coerce2[1];
-    var re_cmp = re_a.cmp(re_b);
-    if (re_cmp !== 0) {
-      return re_cmp;
-    } else {
-      var _a$__im__$coerce = a.__im__.coerce(b.__im__),
-        _a$__im__$coerce2 = _slicedToArray(_a$__im__$coerce, 2),
-        im_a = _a$__im__$coerce2[0],
-        im_b = _a$__im__$coerce2[1];
-      return im_a.cmp(im_b);
-    }
+    throw new Error("Can't compare compex numbers");
   };
   // -------------------------------------------------------------------------
   LComplex.prototype.valueOf = function () {
@@ -15955,7 +15938,7 @@
       for (var _len40 = arguments.length, args = new Array(_len40), _key41 = 0; _key41 < _len40; _key41++) {
         args[_key41] = arguments[_key41];
       }
-      typecheck_args('>', args, 'number');
+      typecheck_numbers('>', args, ['bigint', 'float', 'rational']);
       return seq_compare(function (a, b) {
         return LNumber(a).cmp(b) === 1;
       }, args);
@@ -15965,7 +15948,7 @@
       for (var _len41 = arguments.length, args = new Array(_len41), _key42 = 0; _key42 < _len41; _key42++) {
         args[_key42] = arguments[_key42];
       }
-      typecheck_args('<', args, 'number');
+      typecheck_numbers('<', args, ['bigint', 'float', 'rational']);
       return seq_compare(function (a, b) {
         return LNumber(a).cmp(b) === -1;
       }, args);
@@ -15975,7 +15958,7 @@
       for (var _len42 = arguments.length, args = new Array(_len42), _key43 = 0; _key43 < _len42; _key43++) {
         args[_key43] = arguments[_key43];
       }
-      typecheck_args('<=', args, 'number');
+      typecheck_numbers('<=', args, ['bigint', 'float', 'rational']);
       return seq_compare(function (a, b) {
         return [0, -1].includes(LNumber(a).cmp(b));
       }, args);
@@ -15985,7 +15968,7 @@
       for (var _len43 = arguments.length, args = new Array(_len43), _key44 = 0; _key44 < _len43; _key44++) {
         args[_key44] = arguments[_key44];
       }
-      typecheck_args('>=', args, 'number');
+      typecheck_numbers('>=', args, ['bigint', 'float', 'rational']);
       return seq_compare(function (a, b) {
         return [0, 1].includes(LNumber(a).cmp(b));
       }, args);
@@ -16290,11 +16273,22 @@
         expected = 'a' + ('aeiou'.includes(first) ? 'n ' : ' ') + expected[0];
       } else {
         var last = expected[expected.length - 1];
-        expected = expected.slice(0, -1).join(', ') + ' or ' + last;
+        expected = expected.slice(0, -1).join(', ') + ', or ' + last;
       }
     }
-    return "Expecting ".concat(expected, ", got ").concat(got).concat(postfix);
+    return "Expecting ".concat(expected, " got ").concat(got).concat(postfix);
   }
+
+  // -------------------------------------------------------------------------
+  function typecheck_numbers(fn, args, expected) {
+    args.forEach(function (arg, i) {
+      typecheck(fn, arg, 'number', i + 1);
+      if (!expected.includes(arg.__type__)) {
+        throw new Error(typeErrorMessage(fn, arg.__type__, expected, i));
+      }
+    });
+  }
+
   // -------------------------------------------------------------------------
   function typecheck_args(fn, args, expected) {
     args.forEach(function (arg, i) {
@@ -17555,10 +17549,10 @@
   // -------------------------------------------------------------------------
   var banner = function () {
     // Rollup tree-shaking is removing the variable if it's normal string because
-    // obviously 'Mon, 15 Jan 2024 14:57:03 +0000' == '{{' + 'DATE}}'; can be removed
+    // obviously 'Mon, 15 Jan 2024 15:20:04 +0000' == '{{' + 'DATE}}'; can be removed
     // but disabling Tree-shaking is adding lot of not used code so we use this
     // hack instead
-    var date = LString('Mon, 15 Jan 2024 14:57:03 +0000').valueOf();
+    var date = LString('Mon, 15 Jan 2024 15:20:04 +0000').valueOf();
     var _date = date === '{{' + 'DATE}}' ? new Date() : new Date(date);
     var _format = function _format(x) {
       return x.toString().padStart(2, '0');
@@ -17597,7 +17591,7 @@
   read_only(Parameter, '__class__', 'parameter');
   // -------------------------------------------------------------------------
   var version = 'DEV';
-  var date = 'Mon, 15 Jan 2024 14:57:03 +0000';
+  var date = 'Mon, 15 Jan 2024 15:20:04 +0000';
 
   // unwrap async generator into Promise<Array>
   var parse = compose(uniterate_async, _parse);
diff --git a/dist/lips.min.js b/dist/lips.min.js
index e113c7552..06ba0a500 100644
--- a/dist/lips.min.js
+++ b/dist/lips.min.js
@@ -47,5 +47,5 @@
    * Copyright (c) 2014-present, Facebook, Inc.
    * released under MIT license
    *
-   * build: Mon, 15 Jan 2024 14:57:03 +0000
-   */var _n=["token"],dn=["env"],vn=["stderr","stdin","stdout","command_line"],yn=["use_dynamic"],mn=["use_dynamic"],gn=["env","dynamic_env","use_dynamic","error"];function bn(e,t,r){wn(e,t);t.set(e,r)}function wn(e,t){if(t.has(e)){throw new TypeError("Cannot initialize the same private elements twice on an object")}}function Dn(i){var u=En();return function e(){var t=g(i),r;if(u){var n=g(this).constructor;r=Reflect.construct(t,arguments,n)}else{r=t.apply(this,arguments)}return m(this,r)}}function En(){if(typeof Reflect==="undefined"||!Reflect.construct)return false;if(Reflect.construct.sham)return false;if(typeof Proxy==="function")return true;try{Boolean.prototype.valueOf.call(Reflect.construct(Boolean,[],function(){}));return true}catch(e){return false}}function An(t,e){var r=typeof Symbol!=="undefined"&&t[Symbol.iterator]||t["@@iterator"];if(!r){if(Array.isArray(t)||(r=xn(t))||e&&t&&typeof t.length==="number"){if(r)t=r;var n=0;var i=function e(){};return{s:i,n:function e(){if(n>=t.length)return{done:true};return{done:false,value:t[n++]}},e:function e(t){throw t},f:i}}throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.")}var u=true,a=false,o;return{s:function e(){r=r.call(t)},n:function e(){var t=r.next();u=t.done;return t},e:function e(t){a=true;o=t},f:function e(){try{if(!u&&r["return"]!=null)r["return"]()}finally{if(a)throw o}}}}function xn(e,t){if(!e)return;if(typeof e==="string")return Fn(e,t);var r=Object.prototype.toString.call(e).slice(8,-1);if(r==="Object"&&e.constructor)r=e.constructor.name;if(r==="Map"||r==="Set")return Array.from(e);if(r==="Arguments"||/^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(r))return Fn(e,t)}function Fn(e,t){if(t==null||t>e.length)t=e.length;for(var r=0,n=new Array(t);r<t;r++){n[r]=e[r]}return n}function kn(t,e){var r=Object.keys(t);if(Object.getOwnPropertySymbols){var 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r=Dn(n);function n(e){var t;j(this,n);t=r.call(this,function(){var e;return(e=t)._write.apply(e,arguments)});h("BufferedOutputPort",e,"function");iu(o(t),"_fn",e,{hidden:true});iu(o(t),"_buffer",[],{hidden:true});return t}P(n,[{key:"flush",value:function e(){if(this._buffer.length){this._fn(this._buffer.join(""));this._buffer.length=0}}},{key:"_write",value:function e(){var t=this;for(var r=arguments.length,n=new Array(r),i=0;i<r;i++){n[i]=arguments[i]}if(n.length){n.forEach(function(e){t._buffer.push(e)});var u=this._buffer[this._buffer.length-1];if(u.match(/\n$/)){this._buffer[this._buffer.length-1]=u.replace(/\n$/,"");this.flush()}}}}]);return n}(jo);function Po(t){var r=this;if(typeof this!=="undefined"&&!(this instanceof Po)||typeof this==="undefined"){return new 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To(e)}h("InputByteVectorPort",e,"uint8array");iu(this,"__vector__",e);iu(this,"__type__",zo);var r=0;Object.defineProperty(this,"__index__",{enumerable:true,get:function e(){return r},set:function e(t){h("InputByteVectorPort::__index__",t,"number");if(t instanceof y){t=t.valueOf()}if(typeof t==="bigint"){t=Number(t)}if(Math.floor(t)!==t){throw new Error("InputByteVectorPort::__index__ value is "+"not integer")}r=t}})}To.prototype=Object.create(Bo.prototype);To.prototype.constructor=To;To.prototype.toString=function(){return"#<input-port (bytevector)>"};To.prototype.close=function(){var t=this;iu(this,"__vector__",U);["read_u8","close","peek_u8","read_u8_vector"].forEach(function(e){t[e]=function(){throw new Error("Input-binary-port: port is closed")}});this.char_ready=function(){return false}};To.prototype.u8_ready=function(){return true};To.prototype.peek_u8=function(){if(this.__index__>=this.__vector__.length){return Yo}return 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e=arguments.length>0&&arguments[0]!==undefined?arguments[0]:null;if(e===null){e=es(this,"stdin")}ys("read-char",e,"input-port");return e.read_char()},"(read-char port)\n\n        This function reads and returns the next character from the\n        input port."),read:l("read",function(){var e=B(W.mark(function e(){var r,n,i,u,a,o,s,c,f,l=arguments;return W.wrap(function e(t){while(1){switch(t.prev=t.next){case 0:r=l.length>0&&l[0]!==undefined?l[0]:null;n=this.env;if(!co.isString(r)){t.next=31;break}i=false;u=false;t.prev=5;o=On(Xi(r,n));case 7:t.next=9;return o.next();case 9:if(!(i=!(s=t.sent).done)){t.next=15;break}c=s.value;return t.abrupt("return",c);case 12:i=false;t.next=7;break;case 15:t.next=21;break;case 17:t.prev=17;t.t0=t["catch"](5);u=true;a=t.t0;case 21:t.prev=21;t.prev=22;if(!(i&&o["return"]!=null)){t.next=26;break}t.next=26;return o["return"]();case 26:t.prev=26;if(!u){t.next=29;break}throw a;case 29:return t.finish(26);case 30:return t.finish(21);case 31:if(r===null){f=es(n,"stdin")}else{f=r}ys("read",f,"input-port");return t.abrupt("return",f.read.call(n));case 34:case"end":return t.stop()}}},e,this,[[5,17,21,31],[22,,26,30]])}));function t(){return e.apply(this,arguments)}return t}(),"(read [string])\n\n        This function, if used with a string, will parse it and\n        return the LIPS code, if there is any. If called with a\n        port, it will parse the next item from the port. If called\n        without an input, it will read a string from standard input\n        (using the browser's prompt or a user defined input method)\n        and calls itself with that string. This function can be used\n        together with `eval` to evaluate code from a string."),pprint:l("pprint",function e(t){if(t instanceof M){t=new bc.Formatter(t.toString(true))["break"]().format();us.get("display").call(us,t)}else{us.get("write").call(us,t)}us.get("newline").call(us)},"(pprint expression)\n\n        This function will pretty print its input to stdout. If it is called\n        with a non-list, it will just call the print function on its\n        input."),print:l("print",function e(){var t=us.get("display");var r=us.get("newline");var n=this.use_dynamic;var i=us;var u=us;for(var a=arguments.length,o=new Array(a),s=0;s<a;s++){o[s]=arguments[s]}o.forEach(function(e){Os(t,[e],{env:i,dynamic_env:u,use_dynamic:n});Os(r,[],{env:i,dynamic_env:u,use_dynamic:n})})},"(print . args)\n\n        This function converts each input into a string and prints\n        the result to the standard output (by default it's the\n        console but it can be defined in user code). This function\n        calls `(newline)` after printing each input."),format:l("format",function e(t){for(var r=arguments.length,n=new Array(r>1?r-1:0),i=1;i<r;i++){n[i-1]=arguments[i]}h("format",t,"string");var u=/(~[as%~])/g;var a=t.match(/(~[as])/g);if(a&&a.length>n.length){throw new Error("Not enough arguments")}var o=0;var s=us.get("repr");t=t.replace(u,function(e){var t=e[1];if(t==="~"){return"~"}else if(t==="%"){return"\n"}else{var r=n[o++];if(t==="a"){return s(r)}else{return s(r,true)}}});a=t.match(/~([\S])/);if(a){throw new Error("format: Unrecognized escape sequence ".concat(a[1]))}return t},"(format string n1 n2 ...)\n\n        This function accepts a string template and replaces any\n        escape sequences in its inputs:\n\n        * ~a value as if printed with `display`\n        * ~s value as if printed with `write`\n        * ~% newline character\n        * ~~ literal tilde '~'\n\n        If there are missing inputs or other escape characters it\n        will error."),display:l("display",function e(t){var r=arguments.length>1&&arguments[1]!==undefined?arguments[1]:null;if(r===null){r=es(this,"stdout")}else{h("display",r,"output-port")}var n=t;if(!(r instanceof qo)){n=us.get("repr")(t)}r.write.call(us,n)},"(display string [port])\n\n        This function outputs the string to the standard output or\n        the port if given. No newline."),"display-error":l("display-error",function e(){var t=es(this,"stderr");var r=us.get("repr");for(var n=arguments.length,i=new Array(n),u=0;u<n;u++){i[u]=arguments[u]}var a=i.map(r).join(" ");t.write.call(us,a);us.get("newline")(t)},"(display-error . args)\n\n        Display an error message on stderr."),"%same-functions":l("%same-functions",function(e,t){if(!pa(e)){return false}if(!pa(t)){return false}return Fa(e)===Fa(t)},"(%same-functions a b)\n\n        A helper function that checks if the two input functions are\n        the same."),help:l(new na("help",function(e,t){var r=t.dynamic_env,n=t.use_dynamic,i=t.error;var u;if(e.car instanceof L){u=e.car}else if(e.car instanceof M&&e.car.car instanceof L){u=e.car.car}else{var f=this;r=this;var a=Ts(e.car,{env:f,error:i,dynamic_env:r,use_dynamic:n});if(a&&a.__doc__){return a.__doc__}return}var o;var s=this.get(u);o=s&&s.__doc__;if(o){return o}var c=this.ref(u);if(c){o=c.doc(u);if(o){return o}}}),"(help object)\n\n         This macro returns documentation for a function or macro.\n         You can save the function or macro in a variable and use it\n         here. But getting help for a variable requires passing the\n         variable in a `quote`."),cons:l("cons",function e(t,r){return new M(t,r)},"(cons left right)\n\n        This function returns a new list with the first appended\n        before the second. If the second is not a list cons will\n        return a dotted pair."),car:l("car",function e(t){h("car",t,"pair");return t.car},"(car pair)\n\n        This function returns the car (item 1) of the list."),cdr:l("cdr",function e(t){h("cdr",t,"pair");return t.cdr},"(cdr pair)\n\n        This function returns the cdr (all but first) of the list."),"set!":l(new na("set!",function(e){var c=this;var t=arguments.length>1&&arguments[1]!==undefined?arguments[1]:{},r=t.use_dynamic,f=R(t,yn);var n=this;var i=this;var u;var l=Cn(Cn({},f),{},{env:this,dynamic_env:n,use_dynamic:r});var a=Ts(e.cdr.car,l);a=As(a);function o(t,r,n){if(ba(t)){return t.then(function(e){return o(t,e,n)})}if(ba(r)){return r.then(function(e){return o(t,e,n)})}if(ba(n)){return n.then(function(e){return o(t,r,e)})}i.get("set-obj!").call(i,t,r,n);return n}if(e.car instanceof M&&L.is(e.car.car,".")){var h=e.car.cdr.car;var p=e.car.cdr.cdr.car;var _=Ts(h,{env:this,dynamic_env:n,use_dynamic:r,error:error});var d=Ts(p,{env:this,dynamic_env:n,use_dynamic:r,error:error});return o(_,d,a)}if(!(e.car instanceof L)){throw new Error("set! first argument need to be a symbol or "+"dot accessor that evaluate to object.")}var s=e.car.valueOf();u=this.ref(e.car.__name__);return tu(a,function(e){if(!u){var t=s.split(".");if(t.length>1){var r=t.pop();var n=t.join(".");var i=c.get(n,{throwError:false});if(i){o(i,r,e);return}}throw new Error("Unbound variable `"+s+"'")}u.set(s,e)})}),"(set! name value)\n\n         Macro that can be used to set the value of the variable or slot (mutate it).\n         set! searches the scope chain until it finds first non empty slot and sets it."),"unset!":l(new na("set!",function(e){if(!(e.car instanceof L)){throw new Error("unset! first argument need to be a symbol or "+"dot accessor that evaluate to object.")}var t=e.car;var r=this.ref(t);if(r){delete r.__env__[t.__name__]}}),"(unset! name)\n\n         Function to delete the specified name from environment.\n         Trying to access the name afterwards will error."),"set-car!":l("set-car!",function(e,t){h("set-car!",e,"pair");e.car=t},"(set-car! obj value)\n\n         Function that sets the car (first item) of the list/pair to specified value.\n         The old value is lost."),"set-cdr!":l("set-cdr!",function(e,t){h("set-cdr!",e,"pair");e.cdr=t},"(set-cdr! obj value)\n\n         Function that sets the cdr (tail) of the list/pair to specified value.\n         It will destroy the list. The old tail is lost."),"empty?":l("empty?",function(e){return typeof e==="undefined"||e===U},"(empty? object)\n\n         Function that returns #t if value is nil (an empty list) or undefined."),gensym:l("gensym",Li,"(gensym)\n\n         Generates a unique symbol that is not bound anywhere,\n         to use with macros as meta name."),load:l("load",function e(o,t){h("load",o,"string");var s=this;if(s.__name__==="__frame__"){s=s.__parent__}if(!(t instanceof Go)){if(s===us){t=s}else{t=this.get("**interaction-environment**")}}var c="**module-path**";var f=us.get(c,{throwError:false});o=o.valueOf();if(!o.match(/.[^.]+$/)){o+=".scm"}var r=o.match(/\.xcb$/);function l(e){if(r){e=hc(e)}else{if(Es(e)==="buffer"){e=e.toString()}e=e.replace(/^#!.*/,"");if(e.match(/^\{/)){e=uc(e)}}return Us(e,{env:t})}function n(e){return Bn.fetch(e).then(function(e){return r?e.arrayBuffer():e.text()}).then(function(e){if(r){e=new Uint8Array(e)}return e})}if(hs()){return new Promise(function(){var r=B(W.mark(function e(r,n){var i,u,a;return W.wrap(function e(t){while(1){switch(t.prev=t.next){case 0:i=Rn("path");if(!f){t.next=6;break}f=f.valueOf();o=i.join(f,o);t.next=12;break;case 6:u=s.get("command-line",{throwError:false});if(!u){t.next=11;break}t.next=10;return u();case 10:a=t.sent;case 11:if(a&&a!==U){process.cwd();o=i.join(i.dirname(a.car.valueOf()),o)}case 12:us.set(c,i.dirname(o));Rn("fs").readFile(o,function(e,t){if(e){n(e);us.set(c,f)}else{try{l(t).then(function(){r();us.set(c,f)})["catch"](n)}catch(e){n(e)}}});case 14:case"end":return t.stop()}}},e)}));return function(e,t){return r.apply(this,arguments)}}())}if(f){f=f.valueOf();o=f+"/"+o.replace(/^\.?\/?/,"")}return n(o).then(function(e){us.set(c,o.replace(/\/[^/]*$/,""));return l(e)}).then(function(){})["finally"](function(){us.set(c,f)})},"(load filename)\n        (load filename environment)\n\n        Fetches the file (from disk or network) and evaluates its content as LIPS code.\n        If the second argument is provided and it's an environment the evaluation\n        will happen in that environment."),do:l(new na("do",function(){var r=B(W.mark(function e(r,h){var p,n,i,u,o,s,a,c,f,l,_,d;return W.wrap(function e(t){while(1){switch(t.prev=t.next){case 0:p=h.use_dynamic,n=h.error;i=this;u=i;o=i.inherit("do");s=r.car;a=r.cdr.car;c=r.cdr.cdr;if(c!==U){c=new M(L("begin"),c)}f={env:i,dynamic_env:u,use_dynamic:p,error:n};l=s;case 10:if(!(l!==U)){t.next=21;break}_=l.car;t.t0=o;t.t1=_.car;t.next=16;return Ts(_.cdr.car,f);case 16:t.t2=t.sent;t.t0.set.call(t.t0,t.t1,t.t2);l=l.cdr;t.next=10;break;case 21:f={env:o,dynamic_env:u,error:n};d=W.mark(function e(){var r,n,i,u,a;return W.wrap(function e(t){while(1){switch(t.prev=t.next){case 0:if(!(c!==U)){t.next=3;break}t.next=3;return bc.evaluate(c,f);case 3:r=s;n={};case 5:if(!(r!==U)){t.next=15;break}i=r.car;if(!(i.cdr.cdr!==U)){t.next=12;break}t.next=10;return Ts(i.cdr.cdr.car,f);case 10:u=t.sent;n[i.car.valueOf()]=u;case 12:r=r.cdr;t.next=5;break;case 15:a=Object.getOwnPropertySymbols(n);Object.keys(n).concat(a).forEach(function(e){o.set(e,n[e])});case 17:case"end":return t.stop()}}},e)});case 23:t.next=25;return Ts(a.car,f);case 25:t.t3=t.sent;if(!(t.t3===false)){t.next=30;break}return t.delegateYield(d(),"t4",28);case 28:t.next=23;break;case 30:if(!(a.cdr!==U)){t.next=34;break}t.next=33;return Ts(a.cdr.car,f);case 33:return t.abrupt("return",t.sent);case 34:case"end":return t.stop()}}},e,this)}));return function(e,t){return r.apply(this,arguments)}}()),"(do ((<var> <init> <next>)) (test return) . body)\n\n         Iteration macro that evaluates the expression body in scope of the variables.\n         On each loop it changes the variables according to the <next> expression and runs\n         test to check if the loop should continue. If test is a single value, the macro\n         will return undefined. If the test is a pair of expressions the macro will\n         evaluate and return the second expression after the loop exits."),if:l(new na("if",function(r,e){var t=e.error,n=e.use_dynamic;var i=this;var u=this;var a={env:u,dynamic_env:i,use_dynamic:n,error:t};var o=function e(t){if(t===false){return Ts(r.cdr.cdr.car,a)}else{return Ts(r.cdr.car,a)}};if(r===U){throw new Error("too few expressions for `if`")}var s=Ts(r.car,a);return tu(s,o)}),"(if cond true-expr false-expr)\n\n         Macro that evaluates cond expression and if the value is true, it\n         evaluates and returns true-expression, if not it evaluates and returns\n         false-expression."),"let-env":new na("let-env",function(t){var e=arguments.length>1&&arguments[1]!==undefined?arguments[1]:{};var r=e.dynamic_env,n=e.use_dynamic,i=e.error;h("let-env",t,"pair");var u=Ts(t.car,{env:this,dynamic_env:r,error:i,use_dynamic:n});return tu(u,function(e){h("let-env",e,"environment");return Ts(M(L("begin"),t.cdr),{env:e,dynamic_env:r,error:i})})},"(let-env env . body)\n\n        Special macro that evaluates body in context of given environment\n        object."),letrec:l(Wa(Symbol["for"]("letrec")),"(letrec ((a value-a) (b value-b) ...) . body)\n\n         Macro that creates a new environment, then evaluates and assigns values to\n         names and then evaluates the body in context of that environment.\n         Values are evaluated sequentially and the next value can access the\n         previous values/names."),"letrec*":l(Wa(Symbol["for"]("letrec")),"(letrec* ((a value-a) (b value-b) ...) . body)\n\n         Same as letrec but the order of execution of the binding is guaranteed,\n         so you can use recursive code as well as referencing the previous binding.\n\n         In LIPS both letrec and letrec* behave the same."),"let*":l(Wa(Symbol["for"]("let*")),"(let* ((a value-a) (b value-b) ...) . body)\n\n         Macro similar to `let`, but the subsequent bindings after the first\n         are evaluated in the environment including the previous let variables,\n         so you can define one variable, and use it in the next's definition."),let:l(Wa(Symbol["for"]("let")),"(let ((a value-a) (b value-b) ...) . body)\n\n         Macro that creates a new environment, then evaluates and assigns values to names,\n         and then evaluates the body in context of that environment.  Values are evaluated\n         sequentially but you can't access previous values/names when the next are\n         evaluated. You can only get them in the body of the let expression.  (If you want\n         to define multiple variables and use them in each other's definitions, use\n         `let*`.)"),"begin*":l(Qa("begin*",function(e){return e.pop()}),"(begin* . body)\n\n         This macro is a parallel version of begin. It evaluates each expression\n         in the body and if it's a promise it will await it in parallel and return\n         the value of the last expression (i.e. it uses Promise.all())."),shuffle:l(function(e){h("shuffle",e,["pair","nil","array"]);var t=us.get("random");if(e===U){return U}if(Array.isArray(e)){return Bu(e.slice(),t)}var r=us.get("list->array")(e);r=Bu(r,t);return us.get("array->list")(r)},"(shuffle obj)\n\n        Order items in vector or list in random order."),begin:l(new na("begin",function(e,t){var n=Cn(Cn({},t),{},{env:this});var i=us.get("list->array")(e);var u;return function t(){if(i.length){var e=i.shift();var r=Ts(e,n);return tu(r,function(e){u=e;return t()})}else{return u}}()}),"(begin . args)\n\n         Macro that runs a list of expressions in order and returns the value\n         of the last one. It can be used in places where you can only have a\n         single expression, like (if)."),ignore:new na("ignore",function(e,t){var r=Cn(Cn({},t),{},{env:this,dynamic_env:this});Ts(new M(new L("begin"),e),r)},"(ignore . body)\n\n        Macro that will evaluate the expression and swallow any promises that may\n        be created. It will discard any value that may be returned by the last body\n        expression. The code should have side effects and/or when it's promise\n        it should resolve to undefined."),"call/cc":l(na.defmacro("call/cc",function(e){var t=arguments.length>1&&arguments[1]!==undefined?arguments[1]:{};var r=Cn({env:this},t);return tu(Ts(e.car,r),function(e){if(pa(e)){return e(new Ns(null))}})}),"(call/cc proc)\n\n         Call-with-current-continuation.\n\n         NOT SUPPORTED BY LIPS RIGHT NOW"),parameterize:l(new na("parameterize",function(t,e){var i=e.dynamic_env;var u=i.inherit("parameterize").new_frame(null,{});var a=Cn(Cn({},e),{},{env:this});var o=t.car;if(!ya(o)){var r=Es(o);throw new Error("Invalid syntax for parameterize expecting pair got ".concat(r))}function s(){var e=new M(new L("begin"),t.cdr);return Ts(e,Cn(Cn({},a),{},{dynamic_env:u}))}return function r(){var e=o.car;var n=e.car.valueOf();return tu(Ts(e.cdr.car,a),function(e){var t=i.get(n,{throwError:false});if(!va(t)){throw new Error("Unknown parameter ".concat(n))}u.set(n,t.inherit(e));if(!ha(o.cdr)){o=o.cdr;return r()}else{return s()}})}()}),"(parameterize ((name value) ...)\n\n         Macro that change the dynamic variable created by make-parameter."),"make-parameter":l(new na("make-parameter",function(e,t){t.dynamic_env;var r=Ts(e.car,t);var n;if(e.cdr.car instanceof M){n=Ts(e.cdr.car,t)}return new js(r,n)}),"(make-parameter init converter)\n\n    Function creates new dynamic variable that can be custimized with parameterize\n    macro. The value should be assigned to a variable e.g.:\n\n    (define radix (make-parameter 10))\n\n    The result value is a procedure that return the value of dynamic variable."),define:l(na.defmacro("define",function(r,e){var n=this;if(r.car instanceof M&&r.car.car instanceof L){var t=new M(new L("define"),new M(r.car.car,new M(new M(new L("lambda"),new M(r.car.cdr,r.cdr)))));return t}else if(e.macro_expand){return}e.dynamic_env=this;e.env=n;var i=r.cdr.car;var u;if(i instanceof M){i=Ts(i,e);u=true}else if(i instanceof L){i=n.get(i)}h("define",r.car,"symbol");return tu(i,function(e){if(n.__name__===oa.__merge_env__){n=n.__parent__}if(u&&(pa(e)&&Ja(e)||e instanceof oa||va(e))){e.__name__=r.car.valueOf();if(e.__name__ instanceof co){e.__name__=e.__name__.valueOf()}}var t;if(r.cdr.cdr instanceof M&&co.isString(r.cdr.cdr.car)){t=r.cdr.cdr.car.valueOf()}n.set(r.car,e,t,true)})}),'(define name expression)\n         (define name expression "doc string")\n         (define (function-name . args) . body)\n\n         Macro for defining values. It can be used to define variables,\n         or functions. If the first argument is list it will create a function\n         with name being first element of the list. This form expands to\n         `(define function-name (lambda args body))`'),"set-obj!":l("set-obj!",function(e,t,r){var n=arguments.length>3&&arguments[3]!==undefined?arguments[3]:null;var i=d(e);if(ha(e)||i!=="object"&&i!=="function"){var u=ds("set-obj!",Es(e),["object","function"]);throw new Error(u)}h("set-obj!",t,["string","symbol","number"]);e=Fa(e);t=t.valueOf();if(arguments.length===2){delete e[t]}else if(Hu(e)&&pa(r)){e[t]=Fa(r);e[t][Ma]=true}else if(pa(r)||gs(r)||r===U){e[t]=r}else{e[t]=r&&!Hu(r)?r.valueOf():r}if(Ru){var a=e[t];Object.defineProperty(e,t,Cn(Cn({},n),{},{value:a}))}},"(set-obj! obj key value)\n        (set-obj! obj key value props)\n\n        Function set a property of a JavaScript object. props should be a vector of pairs,\n        passed to Object.defineProperty."),"null-environment":l("null-environment",function(){return us.inherit("null")},"(null-environment)\n\n        Returns a clean environment with only the standard library."),values:l("values",function e(){for(var t=arguments.length,r=new Array(t),n=0;n<t;n++){r[n]=arguments[n]}return Wo(r)},"(values a1 a2 ...)\n\n        If called with more then one element it will create a special\n        Values object that can be used in the call-with-values function."),"call-with-values":l("call-with-values",function(e,t){h("call-with-values",e,"function",1);h("call-with-values",t,"function",2);var r=e.apply(this);if(r instanceof Wo){return t.apply(this,r.valueOf())}return t.call(this,r)},"(call-with-values producer consumer)\n\n        Calls the producer procedure with no arguments, then calls the\n        consumer procedure with the returned value as an argument -- unless\n        the returned value is a special Values object created by (values), if it is\n        the values are unpacked and the consumer is called with multiple arguments."),"current-environment":l("current-environment",function(){if(this.__name__==="__frame__"){return this.__parent__}return this},"(current-environment)\n\n        Function that returns the current environment (they're first-class objects!)"),"parent.frame":l("parent.frame",function(){return as},"(parent.frame)\n\n        Returns the parent environment if called from inside a function.\n        If no parent frame can be found it returns nil."),eval:l("eval",function(e,t){var n=this;t=t||this.get("current-environment").call(this);return Ts(e,{env:t,dynamic_env:t,error:function e(t){var e=us.get("display-error");e.call(n,t.message);if(t.code){var r=t.code.map(function(e,t){return"[".concat(t+1,"]: ").concat(e)}).join("\n");e.call(n,r)}}})},"(eval expr)\n        (eval expr environment)\n\n        Function that evaluates LIPS Scheme code. If the second argument is provided\n        it will be the environment that the code is evaluated in."),lambda:new na("lambda",function(d){var e=arguments.length>1&&arguments[1]!==undefined?arguments[1]:{},v=e.use_dynamic,y=e.error;var m=this;var g;if(d.cdr instanceof M&&co.isString(d.cdr.car)&&d.cdr.cdr!==U){g=d.cdr.car.valueOf()}function b(){var c=da(this)?this:{dynamic_env:m},r=c.dynamic_env;var n=m.inherit("lambda");r=r.inherit("lambda");if(this&&!da(this)){if(this&&!this.__instance__){Object.defineProperty(this,"__instance__",{enumerable:false,get:function e(){return true},set:function e(){},configurable:false})}n.set("this",this)}for(var e=arguments.length,t=new Array(e),i=0;i<e;i++){t[i]=arguments[i]}if(this instanceof Is){var u={throwError:false};n.set("arguments",this.env.get("arguments",u));n.set("parent.frame",this.env.get("parent.frame",u))}else{var a=t.slice();a.callee=b;a.env=n;n.set("arguments",a)}function f(e,t){n.__env__[e.__name__]=t;r.__env__[e.__name__]=t}var o=d.car;var s=0;if(o instanceof L||o!==U){while(true){if(o.car!==U){if(o instanceof L){var l=Qo(M.fromArray(t.slice(s),false));f(o,l);break}else if(ya(o)){var h=t[s];f(o.car,h)}}if(o.cdr===U){break}s++;o=o.cdr}}var p=g?d.cdr.cdr:d.cdr;var _=new M(new L("begin"),p);return Ts(_,{env:n,dynamic_env:r,use_dynamic:v,error:y})}var t=d.car instanceof M?d.car.length():null;b.__code__=new M(new L("lambda"),d);b[qa]=true;if(!(d.car instanceof M)){return l(b,g,true)}return l($a(b,t),g,true)},"(lambda (a b) body)\n        (lambda args body)\n        (lambda (a b . rest) body)\n\n        The lambda macro creates a new anonymous function. If the first element of\n        the body is a string and there is more elements the string is used as the\n        documentation string, that can be read using (help fn)."),macroexpand:new na("macroexpand",aa()),"macroexpand-1":new na("macroexpand-1",aa(true)),"define-macro":l(new na(ia,function(o,e){var s=e.use_dynamic,c=e.error;if(o.car instanceof M&&o.car.car instanceof L){var t=o.car.car.__name__;var f;if(co.isString(o.cdr.car)&&o.cdr.cdr instanceof M){f=o.cdr.car.valueOf()}var r=na.defmacro(t,function(e){var t=new Go({},this,"defmacro");var r=o.car.cdr;var n=e;while(true){if(r===U){break}if(r instanceof L){t.__env__[r.__name__]=n;break}else if(r.car!==U){if(n===U){t.__env__[r.car.__name__]=U}else{if(n.car instanceof M){n.car[Na]=true}t.__env__[r.car.__name__]=n.car}}if(r.cdr===U){break}if(n!==U){n=n.cdr}r=r.cdr}var i={env:t,dynamic_env:t,use_dynamic:s,error:c};if(o.cdr instanceof M){var u=f?o.cdr.cdr:o.cdr;var a=u.reduce(function(e,t){return Ts(t,i)});return tu(a,function(e){if(d(e)==="object"){delete e[Na]}return e})}},f,true);r.__code__=new M(new L("define-macro"),o);this.set(t,r)}}),"(define-macro (name . args) body)\n\n         The meta-macro, that creates new macros. If the return value is a list structure\n         it will be evaluated where the macro is invoked from. You can use quasiquote `\n         and unquote , and unquote-splicing ,@ inside to create an expression that will be\n         evaluated at runtime. Macros works like this: if you pass any expression to a\n         macro the arguments will not be evaluated unless the macro's body explicitly\n         calls (eval) on it. Because of this a macro can manipulate the expression\n         (arguments) as lists."),"syntax-rules":new na("syntax-rules",function(m,e){var g=e.use_dynamic,b=e.error;var w=this;function D(e){var t=[];while(e!==U){var r=e.car;t.push(r.valueOf());e=e.cdr}return t}function t(e){while(e!==U){var t=e.car;if(!(t instanceof L)){throw new Error("syntax-rules: wrong identifier")}e=e.cdr}}if(m.car instanceof L){t(m.cdr.car)}else{t(m.car)}var r=new oa(function(e,f){var l=f.macro_expand;var t=w.inherit("syntax");var h=t;var r=this;if(r.__name__===oa.__merge_env__){var p=Object.getOwnPropertySymbols(r.__env__);p.forEach(function(e){r.__parent__.set(e,r.__env__[e])});r=r.__parent__}var _={env:t,dynamic_env:h,use_dynamic:g,error:b};var n,i,u;if(m.car instanceof L){n=m.car;u=D(m.cdr.car);i=m.cdr.cdr}else{n="...";u=D(m.car);i=m.cdr}try{while(i!==U){var a=i.car.car;var o=i.car.cdr.car;Un(a);var s=ca(a,e,u,n,{expansion:this,define:w});if(s){if(Mn()){console.log(JSON.stringify(zu(s),true,2));console.log("PATTERN: "+a.toString(true));console.log("MACRO: "+e.toString(true))}var d=[];var c=la({bindings:s,expr:o,symbols:u,scope:t,lex_scope:r,names:d,ellipsis:n});Un("OUPUT>>> "+c.toString());if(c){o=c}var v=r.merge(t,oa.__merge_env__);if(l){return{expr:o,scope:v}}var y=Ts(o,Cn(Cn({},_),{},{env:v}));return fa(y,d)}i=i.cdr}}catch(e){e.message+=" in macro: ".concat(m.toString(true));throw e}throw new Error("Invalid Syntax ".concat(e.toString(true)))},w);r.__code__=m;return r},"(syntax-rules () (pattern expression) ...)\n\n        Base of hygienic macros, it will return a new syntax expander\n        that works like Lisp macros."),quote:l(new na("quote",function(e){return Qo(e.car)}),"(quote expression) or 'expression\n\n         Macro that returns a single LIPS expression as data (it won't evaluate the\n         argument). It will return a list if put in front of LIPS code.\n         And if put in front of a symbol it will return the symbol itself, not the value\n         bound to that name."),"unquote-splicing":l("unquote-splicing",function(){throw new Error("You can't call `unquote-splicing` outside of quasiquote")},"(unquote-splicing code) or ,@code\n\n        Special form used in the quasiquote macro. It evaluates the expression inside and\n        splices the list into quasiquote's result. If it is not the last element of the\n        expression, the computed value must be a pair."),unquote:l("unquote",function(){throw new Error("You can't call `unquote` outside of quasiquote")},"(unquote code) or ,code\n\n        Special form used in the quasiquote macro. It evaluates the expression inside and\n        substitutes the value into quasiquote's result."),quasiquote:na.defmacro("quasiquote",function(e,t){var o=t.use_dynamic,s=t.error;var c=this;var f=c;function a(e){return e instanceof M||Nu(e)||Array.isArray(e)}function h(e,t){var r=arguments.length>2&&arguments[2]!==undefined?arguments[2]:a;if(e instanceof M){var n=e.car;var i=e.cdr;if(r(n)){n=t(n)}if(r(i)){i=t(i)}if(ba(n)||ba(i)){return Mi([n,i]).then(function(e){var t=z(e,2),r=t[0],n=t[1];return new M(r,n)})}else{return new M(n,i)}}return e}function u(e,t){if(e instanceof M){if(t!==U){e.append(t)}}else{e=new M(e,t)}return e}function r(e){return!!e.filter(function(e){return e instanceof M&&L.is(e.car,/^(unquote|unquote-splicing)$/)}).length}function p(e,n,i){return e.reduce(function(e,t){if(!(t instanceof M)){e.push(t);return e}if(L.is(t.car,"unquote-splicing")){var r;if(n+1<i){r=l(t.cdr,n+1,i)}else{r=Ts(t.cdr.car,{env:c,use_dynamic:o,dynamic_env:f,error:s})}if(!(r instanceof M)){throw new Error("Expecting list ".concat(Es(t)," found"))}return e.concat(r.to_array())}e.push(l(t,n,i));return e},[])}function _(n,i,u){var a={};i++;Object.keys(n).forEach(function(e){var t=n[e];if(t instanceof M){if(L.is(t.car,"unquote-splicing")){throw new Error("You can't call `unquote-splicing` "+"inside object")}var r;if(i<u){r=l(t.cdr.car,i,u)}else{r=Ts(t.cdr.car,{env:c,dynamic_env:f,use_dynamic:o,error:s})}a[e]=r}else{a[e]=t}});if(Object.isFrozen(n)){Object.freeze(a)}return a}function d(i,e,t){if(e<t){return new M(new M(i.car.car,l(i.car.cdr,e,t)),U)}var n=[];return function e(t){var r=Ts(t.car,{env:c,dynamic_env:f,use_dynamic:o,error:s});n.push(r);if(t.cdr instanceof M){return e(t.cdr)}return tu(n,function(r){if(r.some(function(e){return!(e instanceof M)})){if(i.cdr instanceof M&&L.is(i.cdr.car,".")&&i.cdr.cdr instanceof M&&i.cdr.cdr.cdr===U){return i.cdr.cdr.car}if(!(i.cdr===U||i.cdr instanceof M)){var e="You can't splice atom inside list";throw new Error(e)}if(r.length>1){var t="You can't splice multiple atoms inside list";throw new Error(t)}if(!(i.cdr instanceof M&&r[0]===U)){return r[0]}}r=r.map(function(e){if(v.has(e)){return e.clone()}else{v.add(e);return e}});var n=l(i.cdr,0,1);if(n===U&&r[0]===U){return undefined}return tu(n,function(e){if(r[0]===U){return e}if(r.length===1){return u(r[0],e)}var t=r.reduce(function(e,t){return u(e,t)});return u(t,e)})})}(i.car.cdr)}var v=new Set;function l(e,t,r){if(e instanceof M){if(e.car instanceof M){if(L.is(e.car.car,"unquote-splicing")){return d(e,t+1,r)}if(L.is(e.car.car,"unquote")){if(t+2===r&&e.car.cdr instanceof M&&e.car.cdr.car instanceof M&&L.is(e.car.cdr.car.car,"unquote-splicing")){var n=e.car.cdr;return new M(new M(new L("unquote"),d(n,t+2,r)),U)}else if(e.car.cdr instanceof M&&e.car.cdr.cdr!==U){if(e.car.cdr.car instanceof M){var i=[];return function t(r){if(r===U){return M.fromArray(i)}return tu(Ts(r.car,{env:c,dynamic_env:f,use_dynamic:o,error:s}),function(e){i.push(e);return t(r.cdr)})}(e.car.cdr)}else{return e.car.cdr}}}}if(L.is(e.car,"quasiquote")){var u=l(e.cdr,t,r+1);return new M(e.car,u)}if(L.is(e.car,"quote")){return new M(e.car,l(e.cdr,t,r))}if(L.is(e.car,"unquote")){t++;if(t<r){return new M(new L("unquote"),l(e.cdr,t,r))}if(t>r){throw new Error("You can't call `unquote` outside "+"of quasiquote")}if(e.cdr instanceof M){if(e.cdr.cdr!==U){if(e.cdr.car instanceof M){var a=[];return function t(r){if(r===U){return M.fromArray(a)}return tu(Ts(r.car,{env:c,dynamic_env:f,use_dynamic:o,error:s}),function(e){a.push(e);return t(r.cdr)})}(e.cdr)}else{return e.cdr}}else{return Ts(e.cdr.car,{env:c,dynamic_env:f,error:s})}}else{return e.cdr}}return h(e,function(e){return l(e,t,r)})}else if(Nu(e)){return _(e,t,r)}else if(e instanceof Array){return p(e,t,r)}return e}function n(e){if(e instanceof M){delete e[Na];if(!e.haveCycles("car")){n(e.car)}if(!e.haveCycles("cdr")){n(e.cdr)}}}if(Nu(e.car)&&!r(Object.values(e.car))){return Qo(e.car)}if(Array.isArray(e.car)&&!r(e.car)){return Qo(e.car)}if(e.car instanceof M&&!e.car.find("unquote")&&!e.car.find("unquote-splicing")&&!e.car.find("quasiquote")){return Qo(e.car)}var i=l(e.car,0,1);return tu(i,function(e){n(e);return Qo(e)})},"(quasiquote list)\n\n        Similar macro to `quote` but inside it you can use special expressions (unquote\n        x) abbreviated to ,x that will evaluate x and insert its value verbatim or\n        (unquote-splicing x) abbreviated to ,@x that will evaluate x and splice the value\n        into the result. Best used with macros but it can be used outside."),clone:l("clone",function e(t){h("clone",t,"pair");return t.clone()},"(clone list)\n\n        Function that returns a clone of the list, that does not share any pairs with the\n        original, so the clone can be safely mutated without affecting the original."),append:l("append",function e(){var t;for(var r=arguments.length,n=new Array(r),i=0;i<r;i++){n[i]=arguments[i]}n=n.map(function(e){if(e instanceof M){return e.clone()}return e});return(t=us.get("append!")).call.apply(t,[this].concat(C(n)))},"(append item ...)\n\n        Function that creates a new list with each argument appended end-to-end.\n        It will always return a new list and not modify its arguments."),"append!":l("append!",function(){var r=us.get("list?");for(var e=arguments.length,t=new Array(e),n=0;n<e;n++){t[n]=arguments[n]}return t.reduce(function(e,t){h("append!",e,["nil","pair"]);if((t instanceof M||t===U)&&!r(t)){throw new Error("append!: Invalid argument, value is not a list")}if(ha(t)){return e}if(e===U){if(t===U){return U}return t}return e.append(t)},U)},"(append! arg1 ...)\n\n        Destructive version of append, it can modify the lists in place. It returns\n        a new list where each argument is appended to the end. It may modify\n        lists added as arguments."),reverse:l("reverse",function e(t){h("reverse",t,["array","pair","nil"]);if(t===U){return U}if(t instanceof M){var r=us.get("list->array")(t).reverse();return us.get("array->list")(r)}else if(Array.isArray(t)){return t.reverse()}else{throw new Error(ds("reverse",Es(t),"array or pair"))}},"(reverse list)\n\n        Function that reverses the list or array. If value is not a list\n        or array it will error."),nth:l("nth",function e(t,r){h("nth",t,"number");h("nth",r,["array","pair"]);if(r instanceof M){var n=r;var i=0;while(i<t){if(!n.cdr||n.cdr===U||n.haveCycles("cdr")){return U}n=n.cdr;i++}return n.car}else if(r instanceof Array){return r[t]}else{throw new Error(ds("nth",Es(r),"array or pair",2))}},"(nth index obj)\n\n        Function that returns the nth element of the list or array.\n        If used with a non-indexable value it will error."),list:l("list",function e(){for(var t=arguments.length,r=new Array(t),n=0;n<t;n++){r[n]=arguments[n]}return r.reverse().reduce(function(e,t){return new M(t,e)},U)},"(list . args)\n\n        Function that creates a new list out of its arguments."),substring:l("substring",function e(t,r,n){h("substring",t,"string");h("substring",r,"number");h("substring",n,["number","undefined"]);return t.substring(r.valueOf(),n&&n.valueOf())},"(substring string start end)\n\n        Function that returns the slice of the string starting at start and ending\n        with end."),concat:l("concat",function e(){for(var t=arguments.length,r=new Array(t),n=0;n<t;n++){r[n]=arguments[n]}r.forEach(function(e,t){return h("concat",e,"string",t+1)});return r.join("")},"(concat . strings)\n\n        Function that creates a new string by joining its arguments."),join:l("join",function e(t,r){h("join",t,"string");h("join",r,["pair","nil"]);return us.get("list->array")(r).join(t)},"(join separator list)\n\n        Function that returns a string by joining elements of the list using separator."),split:l("split",function e(t,r){h("split",t,["regex","string"]);h("split",r,"string");return us.get("array->list")(r.split(t))},"(split separator string)\n\n        Function that creates a list by splitting string by separator which can\n        be a string or regular expression."),replace:l("replace",function e(t,r,n){h("replace",t,["regex","string"]);h("replace",r,["string","function"]);h("replace",n,"string");return n.replace(t,r)},"(replace pattern replacement string)\n\n        Function that changes pattern to replacement inside string. Pattern can be a\n        string or regex and replacement can be function or string. See Javascript\n        String.replace()."),match:l("match",function e(t,r){h("match",t,["regex","string"]);h("match",r,"string");var n=r.match(t);return n?us.get("array->list")(n):false},"(match pattern string)\n\n        Function that returns a match object from JavaScript as a list or #f if\n        no match."),search:l("search",function e(t,r){h("search",t,["regex","string"]);h("search",r,"string");return r.search(t)},"(search pattern string)\n\n        Function that returns the first found index of the pattern inside a string."),repr:l("repr",function e(t,r){return Gu(t,r)},"(repr obj)\n\n        Function that returns a LIPS code representation of the object as a string."),"escape-regex":l("escape-regex",function(e){h("escape-regex",e,"string");return Fi(e.valueOf())},"(escape-regex string)\n\n        Function that returns a new string where all special operators used in regex,\n        are escaped with backslashes so they can be used in the RegExp constructor\n        to match a literal string."),env:l("env",function e(e){e=e||this.env;var t=Object.keys(e.__env__).map(L);var r;if(t.length){r=M.fromArray(t)}else{r=U}if(e.__parent__ instanceof Go){return us.get("env").call(this,e.__parent__).append(r)}return r},"(env)\n        (env obj)\n\n        Function that returns a list of names (functions, macros and variables)\n        that are bound in the current environment or one of its parents."),new:l("new",function(e){for(var t=arguments.length,r=new Array(t>1?t-1:0),n=1;n<t;n++){r[n-1]=arguments[n]}var i=p(Fa(e),C(r.map(function(e){return Aa(e)})));return i},"(new obj . args)\n\n        Function that creates new JavaScript instance of an object."),typecheck:l(h,"(typecheck label value type [position])\n\n         Checks the type of value and errors if the type is not one allowed.  Type can be\n         string or list of strings. The position optional argument is used to create a\n         proper error message for the nth argument of function calls."),"unset-special!":l("unset-special!",function(e){h("remove-special!",e,"string");delete Vi.remove(e.valueOf())},"(unset-special! name)\n\n        Function that removes a special symbol from parser added by `set-special!`,\n        name must be a string."),"set-special!":l("set-special!",function(e,t){var r=arguments.length>2&&arguments[2]!==undefined?arguments[2]:Vi.LITERAL;h("set-special!",e,"string",1);h("set-special!",t,"symbol",2);Vi.append(e.valueOf(),t,r)},'(set-special! symbol name [type])\n\n        Add a special symbol to the list of transforming operators by the parser.\n        e.g.: `(add-special! "#" \'x)` will allow to use `#(1 2 3)` and it will be\n        transformed into (x (1 2 3)) so you can write x macro that will process\n        the list. 3rd argument is optional, and it can be one of two values:\n        lips.specials.LITERAL, which is the default behavior, or\n        lips.specials.SPLICE which causes the value to be unpacked into the expression.\n        This can be used for e.g. to make `#(1 2 3)` into (x 1 2 3) that is needed\n        by # that defines vectors.'),get:Xo,".":Xo,unbind:l(Fa,"(unbind fn)\n\n         Function that removes the weak 'this' binding from a function so you\n         can get properties from the actual function object."),type:l(Es,"(type object)\n\n         Function that returns the type of an object as string."),debugger:l("debugger",function(){debugger},'(debugger)\n\n        Function that triggers the JavaScript debugger (e.g. the browser devtools)\n        using the "debugger;" statement. If a debugger is not running this\n        function does nothing.'),in:l("in",function(e,t){if(e instanceof L||e instanceof co||e instanceof y){e=e.valueOf()}return e in Aa(t)},'(in key value)\n\n        Function that uses the Javascript "in" operator to check if key is\n        a valid property in the value.'),instanceof:l("instanceof",function(e,t){return t instanceof Fa(e)},"(instanceof type obj)\n\n        Predicate that tests if the obj is an instance of type."),"prototype?":l("prototype?",Hu,"(prototype? obj)\n\n         Predicate that tests if value is a valid JavaScript prototype,\n         i.e. calling (new) with it will not throw '<x> is not a constructor'."),"macro?":l("macro?",function(e){return e instanceof na},"(macro? expression)\n\n        Predicate that tests if value is a macro."),"function?":l("function?",pa,"(function? expression)\n\n         Predicate that tests if value is a callable function."),"real?":l("real?",function(e){if(Es(e)!=="number"){return false}if(e instanceof y){return e.isFloat()}return y.isFloat(e)},"(real? number)\n\n        Predicate that tests if value is a real number (not complex)."),"number?":l("number?",function(e){return Number.isNaN(e)||y.isNumber(e)},"(number? expression)\n\n        Predicate that tests if value is a number or NaN value."),"string?":l("string?",function(e){return co.isString(e)},"(string? expression)\n\n        Predicate that tests if value is a string."),"pair?":l("pair?",function(e){return e instanceof M},"(pair? expression)\n\n        Predicate that tests if value is a pair or list structure."),"regex?":l("regex?",function(e){return e instanceof RegExp},"(regex? expression)\n\n        Predicate that tests if value is a regular expression."),"null?":l("null?",function(e){return ha(e)},"(null? expression)\n\n        Predicate that tests if value is null-ish (i.e. undefined, nil, or\n        Javascript null)."),"boolean?":l("boolean?",function(e){return typeof e==="boolean"},"(boolean? expression)\n\n        Predicate that tests if value is a boolean (#t or #f)."),"symbol?":l("symbol?",function(e){return e instanceof L},"(symbol? expression)\n\n        Predicate that tests if value is a LIPS symbol."),"array?":l("array?",function(e){return e instanceof Array},"(array? expression)\n\n        Predicate that tests if value is an array."),"object?":l("object?",function(e){return e!==U&&e!==null&&!(e instanceof so)&&!(e instanceof RegExp)&&!(e instanceof co)&&!(e instanceof M)&&!(e instanceof y)&&d(e)==="object"&&!(e instanceof Array)},"(object? expression)\n\n        Predicate that tests if value is an plain object (not another LIPS type)."),flatten:l("flatten",function e(t){h("flatten",t,"pair");return t.flatten()},"(flatten list)\n\n        Returns a shallow list from tree structure (pairs)."),"array->list":l("array->list",function(e){h("array->list",e,"array");return M.fromArray(e)},"(array->list array)\n\n        Function that converts a JavaScript array to a LIPS cons list."),"tree->array":l("tree->array",Iu("tree->array",true),"(tree->array list)\n\n         Function that converts a LIPS cons tree structure into a JavaScript array."),"list->array":l("list->array",Iu("list->array"),"(list->array list)\n\n         Function that converts a LIPS list into a JavaScript array."),apply:l("apply",function e(t){for(var r=arguments.length,n=new Array(r>1?r-1:0),i=1;i<r;i++){n[i-1]=arguments[i]}h("apply",t,"function",1);var u=n.pop();h("apply",u,["pair","nil"],n.length+2);n=n.concat(us.get("list->array").call(this,u));return t.apply(this,Cs(t,n))},"(apply fn list)\n\n        Function that calls fn with the list of arguments."),length:l("length",function e(t){if(!t||t===U){return 0}if(t instanceof M){return t.length()}if("length"in t){return t.length}},'(length expression)\n\n        Function that returns the length of the object. The object can be a LIPS\n        list or any object that has a "length" property. Returns undefined if the\n        length could not be found.'),"string->number":l("string->number",function(e){var t=arguments.length>1&&arguments[1]!==undefined?arguments[1]:10;h("string->number",e,"string",1);h("string->number",t,"number",2);e=e.valueOf();t=t.valueOf();if(e.match(si)||e.match(ui)){return pi(e,t)}else if(e.match(ci)||e.match(ii)){return vi(e,t)}else{var r=t===10&&!e.match(/e/i)||t===16;if(e.match(oi)&&r||e.match(ai)){return _i(e,t)}if(e.match(Gn)){return gi(e)}}return false},"(string->number number [radix])\n\n        Function that parses a string into a number."),try:l(new na("try",function(t,e){var c=this;var r=e.use_dynamic,f=e.error;return new Promise(function(n,i){var u,a;if(L.is(t.cdr.car.car,"catch")){u=t.cdr.car;if(t.cdr.cdr instanceof M&&L.is(t.cdr.cdr.car.car,"finally")){a=t.cdr.cdr.car}}else if(L.is(t.cdr.car.car,"finally")){a=t.cdr.car}if(!(a||u)){throw new Error("try: invalid syntax")}var o=n;if(a){o=function e(t,r){o=i;tu(Ts(new M(new L("begin"),a.cdr),s),function(){r(t)})}}var s={env:c,use_dynamic:r,dynamic_env:c,error:function(t){function e(e){return t.apply(this,arguments)}e.toString=function(){return t.toString()};return e}(function(e){var t=c.inherit("try");if(u){t.set(u.cdr.car.car,e);var r={env:t,error:f};r.dynamic_env=c;tu(Ts(new M(new L("begin"),u.cdr.cdr),r),function(e){o(e,n)})}else{o(e,f)}})};var e=Ts(t.car,s);if(ba(e)){e.then(function(e){o(e,n)})["catch"](s.error)}else{o(e,n)}})}),"(try expr (catch (e) code))\n         (try expr (catch (e) code) (finally code))\n         (try expr (finally code))\n\n         Macro that executes expr and catches any exceptions thrown. If catch is provided\n         it's executed when an error is thrown. If finally is provided it's always\n         executed at the end."),raise:l("raise",function(e){throw e},"(raise obj)\n\n        Throws the object verbatim (no wrapping an a new Error)."),throw:l("throw",function(e){throw new Error(e)},"(throw string)\n\n        Throws a new exception."),find:l("find",function t(r,n){h("find",r,["regex","function"]);h("find",n,["pair","nil"]);if(ha(n)){return U}var e=ou("find",r);return tu(e(n.car),function(e){if(e&&e!==U){return n.car}return t(r,n.cdr)})},"(find fn list)\n        (find regex list)\n\n        Higher-order function that finds the first value for which fn return true.\n        If called with a regex it will create a matcher function."),"for-each":l("for-each",function(e){var t;h("for-each",e,"function");for(var r=arguments.length,n=new Array(r>1?r-1:0),i=1;i<r;i++){n[i-1]=arguments[i]}n.forEach(function(e,t){h("for-each",e,["pair","nil"],t+1)});var u=(t=us.get("map")).call.apply(t,[this,e].concat(n));if(ba(u)){return u.then(function(){})}},"(for-each fn . lists)\n\n        Higher-order function that calls function `fn` on each\n        value of the argument. If you provide more than one list\n        it will take each value from each list and call `fn` function\n        with that many arguments as number of list arguments."),map:l("map",function e(r){var n=this;for(var t=arguments.length,i=new Array(t>1?t-1:0),u=1;u<t;u++){i[u-1]=arguments[u]}h("map",r,"function");var a=us.get("list?");i.forEach(function(e,t){h("map",e,["pair","nil"],t+1);if(e instanceof M&&!a.call(n,e)){throw new Error("map: argument ".concat(t+1," is not a list"))}});if(i.length===0){return U}if(i.some(function(e){return e===U})){return U}var o=i.map(function(e){return e.car});var s=this.env,c=this.dynamic_env,f=this.use_dynamic;var l=Os(r,o,{env:s,dynamic_env:c,use_dynamic:f});return tu(l,function(t){return tu(e.call.apply(e,[n,r].concat(C(i.map(function(e){return e.cdr})))),function(e){return new M(t,e)})})},"(map fn . lists)\n\n        Higher-order function that calls function `fn` with each\n        value of the list. If you provide more then one list as argument\n        it will take each value from each list and call `fn` function\n        with that many argument as number of list arguments. The return\n        values of the fn calls are accumulated in a result list and\n        returned by map."),"list?":l("list?",function(e){var t=e;while(true){if(t===U){return true}if(!(t instanceof M)){return false}if(t.haveCycles("cdr")){return false}t=t.cdr}},'(list? obj)\n\n        Predicate that tests if value is a proper linked list structure.\n        The car of each pair can be any value. It returns false on cyclic lists."'),some:l("some",function t(r,n){h("some",r,"function");h("some",n,["pair","nil"]);if(ha(n)){return false}else{return tu(r(n.car),function(e){return e||t(r,n.cdr)})}},"(some fn list)\n\n        Higher-order function that calls fn on each element of the list.\n        It stops and returns true when fn returns true for a value.\n        If none of the values give true, some will return false.\n        Analogous to Python any(map(fn, list))."),fold:l("fold",to("fold",function(e,t,r){for(var n=arguments.length,i=new Array(n>3?n-3:0),u=3;u<n;u++){i[u-3]=arguments[u]}h("fold",t,"function");i.forEach(function(e,t){h("fold",e,["pair","nil"],t+1)});if(i.some(function(e){return e===U})){return r}var a=e.call.apply(e,[this,t,r].concat(C(i.map(function(e){return e.cdr}))));return tu(a,function(e){return t.apply(void 0,C(i.map(function(e){return e.car})).concat([e]))})}),"(fold fn init . lists)\n\n         Function fold is left-to-right reversal of reduce. It call `fn`\n         on each pair of elements of the list and returns a single value.\n         e.g. it computes (fn 'a 'x (fn 'b 'y (fn 'c 'z 'foo)))\n         for: (fold fn 'foo '(a b c) '(x y z))"),pluck:l("pluck",function e(){for(var t=arguments.length,u=new Array(t),r=0;r<t;r++){u[r]=arguments[r]}return function(t){u=u.map(function(e){return e instanceof L?e.__name__:e});if(u.length===0){return U}else if(u.length===1){var e=u,r=z(e,1),n=r[0];return t[n]}var i={};u.forEach(function(e){i[e]=t[e]});return i}},"(pluck . strings)\n\n        If called with a single string it will return a function that when\n        called with an object will return that key from the object.\n        If called with more then one string the returned function will\n        create a new object by copying all properties from the given object."),reduce:l("reduce",to("reduce",function(t,r,e){var n=this;for(var i=arguments.length,u=new Array(i>3?i-3:0),a=3;a<i;a++){u[a-3]=arguments[a]}h("reduce",r,"function");u.forEach(function(e,t){h("reduce",e,["pair","nil"],t+1)});if(u.some(function(e){return e===U})){return e}return tu(r.apply(void 0,C(u.map(function(e){return e.car})).concat([e])),function(e){return t.call.apply(t,[n,r,e].concat(C(u.map(function(e){return e.cdr}))))})}),"(reduce fn init list . lists)\n\n         Higher-order function that takes each element of the list and calls\n         the fn with result of previous call or init and the next element\n         of the list until each element is processed, and returns a single value\n         as result of last call to `fn` function.\n         e.g. it computes (fn 'c 'z (fn 'b 'y (fn 'a 'x 'foo)))\n         for: (reduce fn 'foo '(a b c) '(x y z))"),filter:l("filter",function e(t,r){h("filter",t,["regex","function"]);h("filter",r,["pair","nil"]);var i=us.get("list->array")(r);var u=[];var a=ou("filter",t);return function t(r){function e(e){if(e&&e!==U){u.push(n)}return t(++r)}if(r===i.length){return M.fromArray(u)}var n=i[r];return tu(a(n),e)}(0)},"(filter fn list)\n        (filter regex list)\n\n        Higher-order function that calls `fn` for each element of the list\n        and return a new list for only those elements for which fn returns\n        a truthy value. If called with a regex it will create a matcher function."),compose:l(eo,"(compose . fns)\n\n         Higher-order function that creates a new function that applies all functions\n         from right to left and returns the last value. Reverse of pipe.\n         e.g.:\n         ((compose (curry + 2) (curry * 3)) 10) --\x3e (+ 2 (* 3 10)) --\x3e 32"),pipe:l(Xa,"(pipe . fns)\n\n         Higher-order function that creates a new function that applies all functions\n         from left to right and returns the last value. Reverse of compose.\n         e.g.:\n         ((pipe (curry + 2) (curry * 3)) 10) --\x3e (* 3 (+ 2 10)) --\x3e 36"),curry:l(ao,"(curry fn . args)\n\n         Higher-order function that creates a curried version of the function.\n         The result function will have partially applied arguments and it\n         will keep returning one-argument functions until all arguments are provided,\n         then it calls the original function with the accumulated arguments.\n\n         e.g.:\n         (define (add a b c d) (+ a b c d))\n         (define add1 (curry add 1))\n         (define add12 (add 2))\n         (display (add12 3 4))"),gcd:l("gcd",function e(){for(var t=arguments.length,r=new Array(t),n=0;n<t;n++){r[n]=arguments[n]}vs("lcm",r,"number");return r.reduce(function(e,t){return e.gcd(t)})},"(gcd n1 n2 ...)\n\n        Function that returns the greatest common divisor of the arguments."),lcm:l("lcm",function e(){for(var t=arguments.length,r=new Array(t),n=0;n<t;n++){r[n]=arguments[n]}vs("lcm",r,"number");var i=r.length,u=Qu(r[0]);for(var a=1;a<i;a++){var o=Qu(r[a]),s=u;while(u&&o){u>o?u%=o:o%=u}u=Qu(s*r[a])/(u+o)}return y(u)},"(lcm n1 n2 ...)\n\n        Function that returns the least common multiple of the arguments."),"odd?":l("odd?",no(function(e){return y(e).isOdd()}),"(odd? number)\n\n         Checks if number is odd."),"even?":l("even?",no(function(e){return y(e).isEven()}),"(even? number)\n\n         Checks if number is even."),"*":l("*",uo(function(e,t){return y(e).mul(t)},y(1)),"(* . numbers)\n\n        Multiplies all numbers passed as arguments. If single value is passed\n        it will return that value."),"+":l("+",uo(function(e,t){return y(e).add(t)},y(0)),"(+ . numbers)\n\n        Sums all numbers passed as arguments. If single value is passed it will\n        return that value."),"-":l("-",function(){for(var e=arguments.length,t=new Array(e),r=0;r<e;r++){t[r]=arguments[r]}if(t.length===0){throw new Error("-: procedure require at least one argument")}vs("-",t,"number");if(t.length===1){return y(t[0]).sub()}if(t.length){return t.reduce(io(function(e,t){return y(e).sub(t)}))}},"(- n1 n2 ...)\n        (- n)\n\n        Subtracts n2 and subsequent numbers from n1. If only one argument is passed\n        it will negate the value."),"/":l("/",function(){for(var e=arguments.length,t=new Array(e),r=0;r<e;r++){t[r]=arguments[r]}if(t.length===0){throw new Error("/: procedure require at least one argument")}vs("/",t,"number");if(t.length===1){return y(1).div(t[0])}return t.reduce(io(function(e,t){return y(e).div(t)}))},"(/ n1 n2 ...)\n        (/ n)\n\n        Divides n1 by n2 and subsequent arguments one by one. If single argument\n        is passed it will calculate (/ 1 n)."),abs:l("abs",no(function(e){return y(e).abs()}),"(abs number)\n\n         Function that returns the absolute value (magnitude) of number."),truncate:l("truncate",function(e){h("truncate",e,"number");if(y.isFloat(e)){if(e instanceof y){e=e.valueOf()}return Ao(ra(e))}return e},"(truncate n)\n\n        Function that returns the integer part (floor) of a real number."),sqrt:l("sqrt",no(function(e){return y(e).sqrt()}),"(sqrt number)\n\n         Function that returns the square root of the number."),"**":l("**",io(function(e,t){e=y(e);t=y(t);if(t.cmp(0)===-1){return Ao(1).div(e).pow(t.sub())}return e.pow(t)}),"(** a b)\n\n         Function that calculates number a to to the power of b."),"1+":l("1+",no(function(e){return y(e).add(1)}),"(1+ number)\n\n         Function that adds 1 to the number and return result."),"1-":l(no(function(e){return y(e).sub(1)}),"(1- number)\n\n         Function that subtracts 1 from the number and return result."),"%":l("%",function(e,t){vs("%",[e,t],"number");return y(e).rem(t)},"(% n1 n2)\n\n        Function returns the remainder of n1/n2 (modulo)."),"==":l("==",function(){for(var e=arguments.length,t=new Array(e),r=0;r<e;r++){t[r]=arguments[r]}vs("==",t,"number");return Zu(function(e,t){return y(e).cmp(t)===0},t)},"(== x1 x2 ...)\n\n        Function that compares its numerical arguments and checks if they are\n        all equal."),">":l(">",function(){for(var e=arguments.length,t=new Array(e),r=0;r<e;r++){t[r]=arguments[r]}vs(">",t,"number");return Zu(function(e,t){return y(e).cmp(t)===1},t)},"(> x1 x2 x3 ...)\n\n        Function that compares its numerical arguments and checks if they are\n        monotonically decreasing, i.e. x1 > x2 and x2 > x3 and so on."),"<":l("<",function(){for(var e=arguments.length,t=new Array(e),r=0;r<e;r++){t[r]=arguments[r]}vs("<",t,"number");return Zu(function(e,t){return y(e).cmp(t)===-1},t)},"(< x1 x2 ...)\n\n        Function that compares its numerical arguments and checks if they are\n        monotonically increasing, i.e. x1 < x2 and x2 < x3 and so on."),"<=":l("<=",function(){for(var e=arguments.length,t=new Array(e),r=0;r<e;r++){t[r]=arguments[r]}vs("<=",t,"number");return Zu(function(e,t){return[0,-1].includes(y(e).cmp(t))},t)},"(<= x1 x2 ...)\n\n        Function that compares its numerical arguments and checks if they are\n        monotonically nondecreasing, i.e. x1 <= x2 and x2 <= x3 and so on."),">=":l(">=",function(){for(var e=arguments.length,t=new Array(e),r=0;r<e;r++){t[r]=arguments[r]}vs(">=",t,"number");return Zu(function(e,t){return[0,1].includes(y(e).cmp(t))},t)},"(>= x1 x2 ...)\n\n        Function that compares its numerical arguments and checks if they are\n        monotonically nonincreasing, i.e. x1 >= x2 and x2 >= x3 and so on."),"eq?":l("eq?",Xu,"(eq? a b)\n\n         Function that compares two values if they are identical."),or:l(new na("or",function(e,t){var i=t.use_dynamic,u=t.error;var a=us.get("list->array")(e);var o=this;var s=o;if(!a.length){return false}var c;return function t(){function e(e){c=e;if(c!==false){return c}else{return t()}}if(!a.length){if(c!==false){return c}else{return false}}else{var r=a.shift();var n=Ts(r,{env:o,dynamic_env:s,use_dynamic:i,error:u});return tu(n,e)}}()}),"(or . expressions)\n\n         Macro that executes the values one by one and returns the first that is\n         a truthy value. If there are no expressions that evaluate to true it\n         returns false."),and:l(new na("and",function(e){var t=arguments.length>1&&arguments[1]!==undefined?arguments[1]:{},r=t.use_dynamic,n=t.error;var i=us.get("list->array")(e);var u=this;var a=u;if(!i.length){return true}var o;var s={env:u,dynamic_env:a,use_dynamic:r,error:n};return function t(){function e(e){o=e;if(o===false){return false}else{return t()}}if(!i.length){if(o!==false){return o}else{return false}}else{var r=i.shift();return tu(Ts(r,s),e)}}()}),"(and . expressions)\n\n         Macro that evaluates each expression in sequence and if any value returns false\n         it will stop and return false. If each value returns true it will return the\n         last value. 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e=arguments.length>0&&arguments[0]!==undefined?arguments[0]:null;if(e===null){e=es(this,"stdin")}ms("read-char",e,"input-port");return e.read_char()},"(read-char port)\n\n        This function reads and returns the next character from the\n        input port."),read:l("read",function(){var e=B(W.mark(function e(){var r,n,i,u,a,o,s,c,f,l=arguments;return W.wrap(function e(t){while(1){switch(t.prev=t.next){case 0:r=l.length>0&&l[0]!==undefined?l[0]:null;n=this.env;if(!co.isString(r)){t.next=31;break}i=false;u=false;t.prev=5;o=On(Xi(r,n));case 7:t.next=9;return o.next();case 9:if(!(i=!(s=t.sent).done)){t.next=15;break}c=s.value;return t.abrupt("return",c);case 12:i=false;t.next=7;break;case 15:t.next=21;break;case 17:t.prev=17;t.t0=t["catch"](5);u=true;a=t.t0;case 21:t.prev=21;t.prev=22;if(!(i&&o["return"]!=null)){t.next=26;break}t.next=26;return o["return"]();case 26:t.prev=26;if(!u){t.next=29;break}throw a;case 29:return t.finish(26);case 30:return t.finish(21);case 31:if(r===null){f=es(n,"stdin")}else{f=r}ms("read",f,"input-port");return t.abrupt("return",f.read.call(n));case 34:case"end":return t.stop()}}},e,this,[[5,17,21,31],[22,,26,30]])}));function t(){return e.apply(this,arguments)}return t}(),"(read [string])\n\n        This function, if used with a string, will parse it and\n        return the LIPS code, if there is any. If called with a\n        port, it will parse the next item from the port. If called\n        without an input, it will read a string from standard input\n        (using the browser's prompt or a user defined input method)\n        and calls itself with that string. This function can be used\n        together with `eval` to evaluate code from a string."),pprint:l("pprint",function e(t){if(t instanceof M){t=new wc.Formatter(t.toString(true))["break"]().format();us.get("display").call(us,t)}else{us.get("write").call(us,t)}us.get("newline").call(us)},"(pprint expression)\n\n        This function will pretty print its input to stdout. If it is called\n        with a non-list, it will just call the print function on its\n        input."),print:l("print",function e(){var t=us.get("display");var r=us.get("newline");var n=this.use_dynamic;var i=us;var u=us;for(var a=arguments.length,o=new Array(a),s=0;s<a;s++){o[s]=arguments[s]}o.forEach(function(e){Ss(t,[e],{env:i,dynamic_env:u,use_dynamic:n});Ss(r,[],{env:i,dynamic_env:u,use_dynamic:n})})},"(print . args)\n\n        This function converts each input into a string and prints\n        the result to the standard output (by default it's the\n        console but it can be defined in user code). This function\n        calls `(newline)` after printing each input."),format:l("format",function e(t){for(var r=arguments.length,n=new Array(r>1?r-1:0),i=1;i<r;i++){n[i-1]=arguments[i]}h("format",t,"string");var u=/(~[as%~])/g;var a=t.match(/(~[as])/g);if(a&&a.length>n.length){throw new Error("Not enough arguments")}var o=0;var s=us.get("repr");t=t.replace(u,function(e){var t=e[1];if(t==="~"){return"~"}else if(t==="%"){return"\n"}else{var r=n[o++];if(t==="a"){return s(r)}else{return s(r,true)}}});a=t.match(/~([\S])/);if(a){throw new Error("format: Unrecognized escape sequence ".concat(a[1]))}return t},"(format string n1 n2 ...)\n\n        This function accepts a string template and replaces any\n        escape sequences in its inputs:\n\n        * ~a value as if printed with `display`\n        * ~s value as if printed with `write`\n        * ~% newline character\n        * ~~ literal tilde '~'\n\n        If there are missing inputs or other escape characters it\n        will error."),display:l("display",function e(t){var r=arguments.length>1&&arguments[1]!==undefined?arguments[1]:null;if(r===null){r=es(this,"stdout")}else{h("display",r,"output-port")}var n=t;if(!(r instanceof qo)){n=us.get("repr")(t)}r.write.call(us,n)},"(display string [port])\n\n        This function outputs the string to the standard output or\n        the port if given. No newline."),"display-error":l("display-error",function e(){var t=es(this,"stderr");var r=us.get("repr");for(var n=arguments.length,i=new Array(n),u=0;u<n;u++){i[u]=arguments[u]}var a=i.map(r).join(" ");t.write.call(us,a);us.get("newline")(t)},"(display-error . args)\n\n        Display an error message on stderr."),"%same-functions":l("%same-functions",function(e,t){if(!pa(e)){return false}if(!pa(t)){return false}return Fa(e)===Fa(t)},"(%same-functions a b)\n\n        A helper function that checks if the two input functions are\n        the same."),help:l(new na("help",function(e,t){var r=t.dynamic_env,n=t.use_dynamic,i=t.error;var u;if(e.car instanceof L){u=e.car}else if(e.car instanceof M&&e.car.car instanceof L){u=e.car.car}else{var f=this;r=this;var a=Ls(e.car,{env:f,error:i,dynamic_env:r,use_dynamic:n});if(a&&a.__doc__){return a.__doc__}return}var o;var s=this.get(u);o=s&&s.__doc__;if(o){return o}var c=this.ref(u);if(c){o=c.doc(u);if(o){return o}}}),"(help object)\n\n         This macro returns documentation for a function or macro.\n         You can save the function or macro in a variable and use it\n         here. But getting help for a variable requires passing the\n         variable in a `quote`."),cons:l("cons",function e(t,r){return new M(t,r)},"(cons left right)\n\n        This function returns a new list with the first appended\n        before the second. If the second is not a list cons will\n        return a dotted pair."),car:l("car",function e(t){h("car",t,"pair");return t.car},"(car pair)\n\n        This function returns the car (item 1) of the list."),cdr:l("cdr",function e(t){h("cdr",t,"pair");return t.cdr},"(cdr pair)\n\n        This function returns the cdr (all but first) of the list."),"set!":l(new na("set!",function(e){var c=this;var t=arguments.length>1&&arguments[1]!==undefined?arguments[1]:{},r=t.use_dynamic,f=R(t,yn);var n=this;var i=this;var u;var l=Cn(Cn({},f),{},{env:this,dynamic_env:n,use_dynamic:r});var a=Ls(e.cdr.car,l);a=xs(a);function o(t,r,n){if(ba(t)){return t.then(function(e){return o(t,e,n)})}if(ba(r)){return r.then(function(e){return o(t,e,n)})}if(ba(n)){return n.then(function(e){return o(t,r,e)})}i.get("set-obj!").call(i,t,r,n);return n}if(e.car instanceof M&&L.is(e.car.car,".")){var h=e.car.cdr.car;var p=e.car.cdr.cdr.car;var _=Ls(h,{env:this,dynamic_env:n,use_dynamic:r,error:error});var d=Ls(p,{env:this,dynamic_env:n,use_dynamic:r,error:error});return o(_,d,a)}if(!(e.car instanceof L)){throw new Error("set! first argument need to be a symbol or "+"dot accessor that evaluate to object.")}var s=e.car.valueOf();u=this.ref(e.car.__name__);return tu(a,function(e){if(!u){var t=s.split(".");if(t.length>1){var r=t.pop();var n=t.join(".");var i=c.get(n,{throwError:false});if(i){o(i,r,e);return}}throw new Error("Unbound variable `"+s+"'")}u.set(s,e)})}),"(set! name value)\n\n         Macro that can be used to set the value of the variable or slot (mutate it).\n         set! searches the scope chain until it finds first non empty slot and sets it."),"unset!":l(new na("set!",function(e){if(!(e.car instanceof L)){throw new Error("unset! first argument need to be a symbol or "+"dot accessor that evaluate to object.")}var t=e.car;var r=this.ref(t);if(r){delete r.__env__[t.__name__]}}),"(unset! name)\n\n         Function to delete the specified name from environment.\n         Trying to access the name afterwards will error."),"set-car!":l("set-car!",function(e,t){h("set-car!",e,"pair");e.car=t},"(set-car! obj value)\n\n         Function that sets the car (first item) of the list/pair to specified value.\n         The old value is lost."),"set-cdr!":l("set-cdr!",function(e,t){h("set-cdr!",e,"pair");e.cdr=t},"(set-cdr! obj value)\n\n         Function that sets the cdr (tail) of the list/pair to specified value.\n         It will destroy the list. The old tail is lost."),"empty?":l("empty?",function(e){return typeof e==="undefined"||e===U},"(empty? object)\n\n         Function that returns #t if value is nil (an empty list) or undefined."),gensym:l("gensym",Li,"(gensym)\n\n         Generates a unique symbol that is not bound anywhere,\n         to use with macros as meta name."),load:l("load",function e(o,t){h("load",o,"string");var s=this;if(s.__name__==="__frame__"){s=s.__parent__}if(!(t instanceof Go)){if(s===us){t=s}else{t=this.get("**interaction-environment**")}}var c="**module-path**";var f=us.get(c,{throwError:false});o=o.valueOf();if(!o.match(/.[^.]+$/)){o+=".scm"}var r=o.match(/\.xcb$/);function l(e){if(r){e=pc(e)}else{if(As(e)==="buffer"){e=e.toString()}e=e.replace(/^#!.*/,"");if(e.match(/^\{/)){e=ac(e)}}return Ms(e,{env:t})}function n(e){return Bn.fetch(e).then(function(e){return r?e.arrayBuffer():e.text()}).then(function(e){if(r){e=new Uint8Array(e)}return e})}if(hs()){return new Promise(function(){var r=B(W.mark(function e(r,n){var i,u,a;return W.wrap(function e(t){while(1){switch(t.prev=t.next){case 0:i=Rn("path");if(!f){t.next=6;break}f=f.valueOf();o=i.join(f,o);t.next=12;break;case 6:u=s.get("command-line",{throwError:false});if(!u){t.next=11;break}t.next=10;return u();case 10:a=t.sent;case 11:if(a&&a!==U){process.cwd();o=i.join(i.dirname(a.car.valueOf()),o)}case 12:us.set(c,i.dirname(o));Rn("fs").readFile(o,function(e,t){if(e){n(e);us.set(c,f)}else{try{l(t).then(function(){r();us.set(c,f)})["catch"](n)}catch(e){n(e)}}});case 14:case"end":return t.stop()}}},e)}));return function(e,t){return r.apply(this,arguments)}}())}if(f){f=f.valueOf();o=f+"/"+o.replace(/^\.?\/?/,"")}return n(o).then(function(e){us.set(c,o.replace(/\/[^/]*$/,""));return l(e)}).then(function(){})["finally"](function(){us.set(c,f)})},"(load filename)\n        (load filename environment)\n\n        Fetches the file (from disk or network) and evaluates its content as LIPS code.\n        If the second argument is provided and it's an environment the evaluation\n        will happen in that environment."),do:l(new na("do",function(){var r=B(W.mark(function e(r,h){var p,n,i,u,o,s,a,c,f,l,_,d;return W.wrap(function e(t){while(1){switch(t.prev=t.next){case 0:p=h.use_dynamic,n=h.error;i=this;u=i;o=i.inherit("do");s=r.car;a=r.cdr.car;c=r.cdr.cdr;if(c!==U){c=new M(L("begin"),c)}f={env:i,dynamic_env:u,use_dynamic:p,error:n};l=s;case 10:if(!(l!==U)){t.next=21;break}_=l.car;t.t0=o;t.t1=_.car;t.next=16;return Ls(_.cdr.car,f);case 16:t.t2=t.sent;t.t0.set.call(t.t0,t.t1,t.t2);l=l.cdr;t.next=10;break;case 21:f={env:o,dynamic_env:u,error:n};d=W.mark(function e(){var r,n,i,u,a;return W.wrap(function e(t){while(1){switch(t.prev=t.next){case 0:if(!(c!==U)){t.next=3;break}t.next=3;return wc.evaluate(c,f);case 3:r=s;n={};case 5:if(!(r!==U)){t.next=15;break}i=r.car;if(!(i.cdr.cdr!==U)){t.next=12;break}t.next=10;return Ls(i.cdr.cdr.car,f);case 10:u=t.sent;n[i.car.valueOf()]=u;case 12:r=r.cdr;t.next=5;break;case 15:a=Object.getOwnPropertySymbols(n);Object.keys(n).concat(a).forEach(function(e){o.set(e,n[e])});case 17:case"end":return t.stop()}}},e)});case 23:t.next=25;return Ls(a.car,f);case 25:t.t3=t.sent;if(!(t.t3===false)){t.next=30;break}return t.delegateYield(d(),"t4",28);case 28:t.next=23;break;case 30:if(!(a.cdr!==U)){t.next=34;break}t.next=33;return Ls(a.cdr.car,f);case 33:return t.abrupt("return",t.sent);case 34:case"end":return t.stop()}}},e,this)}));return function(e,t){return r.apply(this,arguments)}}()),"(do ((<var> <init> <next>)) (test return) . body)\n\n         Iteration macro that evaluates the expression body in scope of the variables.\n         On each loop it changes the variables according to the <next> expression and runs\n         test to check if the loop should continue. If test is a single value, the macro\n         will return undefined. If the test is a pair of expressions the macro will\n         evaluate and return the second expression after the loop exits."),if:l(new na("if",function(r,e){var t=e.error,n=e.use_dynamic;var i=this;var u=this;var a={env:u,dynamic_env:i,use_dynamic:n,error:t};var o=function e(t){if(t===false){return Ls(r.cdr.cdr.car,a)}else{return Ls(r.cdr.car,a)}};if(r===U){throw new Error("too few expressions for `if`")}var s=Ls(r.car,a);return tu(s,o)}),"(if cond true-expr false-expr)\n\n         Macro that evaluates cond expression and if the value is true, it\n         evaluates and returns true-expression, if not it evaluates and returns\n         false-expression."),"let-env":new na("let-env",function(t){var e=arguments.length>1&&arguments[1]!==undefined?arguments[1]:{};var r=e.dynamic_env,n=e.use_dynamic,i=e.error;h("let-env",t,"pair");var u=Ls(t.car,{env:this,dynamic_env:r,error:i,use_dynamic:n});return tu(u,function(e){h("let-env",e,"environment");return Ls(M(L("begin"),t.cdr),{env:e,dynamic_env:r,error:i})})},"(let-env env . body)\n\n        Special macro that evaluates body in context of given environment\n        object."),letrec:l(Wa(Symbol["for"]("letrec")),"(letrec ((a value-a) (b value-b) ...) . body)\n\n         Macro that creates a new environment, then evaluates and assigns values to\n         names and then evaluates the body in context of that environment.\n         Values are evaluated sequentially and the next value can access the\n         previous values/names."),"letrec*":l(Wa(Symbol["for"]("letrec")),"(letrec* ((a value-a) (b value-b) ...) . body)\n\n         Same as letrec but the order of execution of the binding is guaranteed,\n         so you can use recursive code as well as referencing the previous binding.\n\n         In LIPS both letrec and letrec* behave the same."),"let*":l(Wa(Symbol["for"]("let*")),"(let* ((a value-a) (b value-b) ...) . body)\n\n         Macro similar to `let`, but the subsequent bindings after the first\n         are evaluated in the environment including the previous let variables,\n         so you can define one variable, and use it in the next's definition."),let:l(Wa(Symbol["for"]("let")),"(let ((a value-a) (b value-b) ...) . body)\n\n         Macro that creates a new environment, then evaluates and assigns values to names,\n         and then evaluates the body in context of that environment.  Values are evaluated\n         sequentially but you can't access previous values/names when the next are\n         evaluated. You can only get them in the body of the let expression.  (If you want\n         to define multiple variables and use them in each other's definitions, use\n         `let*`.)"),"begin*":l(Qa("begin*",function(e){return e.pop()}),"(begin* . body)\n\n         This macro is a parallel version of begin. It evaluates each expression\n         in the body and if it's a promise it will await it in parallel and return\n         the value of the last expression (i.e. it uses Promise.all())."),shuffle:l(function(e){h("shuffle",e,["pair","nil","array"]);var t=us.get("random");if(e===U){return U}if(Array.isArray(e)){return Bu(e.slice(),t)}var r=us.get("list->array")(e);r=Bu(r,t);return us.get("array->list")(r)},"(shuffle obj)\n\n        Order items in vector or list in random order."),begin:l(new na("begin",function(e,t){var n=Cn(Cn({},t),{},{env:this});var i=us.get("list->array")(e);var u;return function t(){if(i.length){var e=i.shift();var r=Ls(e,n);return tu(r,function(e){u=e;return t()})}else{return u}}()}),"(begin . args)\n\n         Macro that runs a list of expressions in order and returns the value\n         of the last one. It can be used in places where you can only have a\n         single expression, like (if)."),ignore:new na("ignore",function(e,t){var r=Cn(Cn({},t),{},{env:this,dynamic_env:this});Ls(new M(new L("begin"),e),r)},"(ignore . body)\n\n        Macro that will evaluate the expression and swallow any promises that may\n        be created. It will discard any value that may be returned by the last body\n        expression. The code should have side effects and/or when it's promise\n        it should resolve to undefined."),"call/cc":l(na.defmacro("call/cc",function(e){var t=arguments.length>1&&arguments[1]!==undefined?arguments[1]:{};var r=Cn({env:this},t);return tu(Ls(e.car,r),function(e){if(pa(e)){return e(new Rs(null))}})}),"(call/cc proc)\n\n         Call-with-current-continuation.\n\n         NOT SUPPORTED BY LIPS RIGHT NOW"),parameterize:l(new na("parameterize",function(t,e){var i=e.dynamic_env;var u=i.inherit("parameterize").new_frame(null,{});var a=Cn(Cn({},e),{},{env:this});var o=t.car;if(!ya(o)){var r=As(o);throw new Error("Invalid syntax for parameterize expecting pair got ".concat(r))}function s(){var e=new M(new L("begin"),t.cdr);return Ls(e,Cn(Cn({},a),{},{dynamic_env:u}))}return function r(){var e=o.car;var n=e.car.valueOf();return tu(Ls(e.cdr.car,a),function(e){var t=i.get(n,{throwError:false});if(!va(t)){throw new Error("Unknown parameter ".concat(n))}u.set(n,t.inherit(e));if(!ha(o.cdr)){o=o.cdr;return r()}else{return s()}})}()}),"(parameterize ((name value) ...)\n\n         Macro that change the dynamic variable created by make-parameter."),"make-parameter":l(new na("make-parameter",function(e,t){t.dynamic_env;var r=Ls(e.car,t);var n;if(e.cdr.car instanceof M){n=Ls(e.cdr.car,t)}return new Is(r,n)}),"(make-parameter init converter)\n\n    Function creates new dynamic variable that can be custimized with parameterize\n    macro. The value should be assigned to a variable e.g.:\n\n    (define radix (make-parameter 10))\n\n    The result value is a procedure that return the value of dynamic variable."),define:l(na.defmacro("define",function(r,e){var n=this;if(r.car instanceof M&&r.car.car instanceof L){var t=new M(new L("define"),new M(r.car.car,new M(new M(new L("lambda"),new M(r.car.cdr,r.cdr)))));return t}else if(e.macro_expand){return}e.dynamic_env=this;e.env=n;var i=r.cdr.car;var u;if(i instanceof M){i=Ls(i,e);u=true}else if(i instanceof L){i=n.get(i)}h("define",r.car,"symbol");return tu(i,function(e){if(n.__name__===oa.__merge_env__){n=n.__parent__}if(u&&(pa(e)&&Ja(e)||e instanceof oa||va(e))){e.__name__=r.car.valueOf();if(e.__name__ instanceof co){e.__name__=e.__name__.valueOf()}}var t;if(r.cdr.cdr instanceof M&&co.isString(r.cdr.cdr.car)){t=r.cdr.cdr.car.valueOf()}n.set(r.car,e,t,true)})}),'(define name expression)\n         (define name expression "doc string")\n         (define (function-name . args) . body)\n\n         Macro for defining values. It can be used to define variables,\n         or functions. If the first argument is list it will create a function\n         with name being first element of the list. This form expands to\n         `(define function-name (lambda args body))`'),"set-obj!":l("set-obj!",function(e,t,r){var n=arguments.length>3&&arguments[3]!==undefined?arguments[3]:null;var i=d(e);if(ha(e)||i!=="object"&&i!=="function"){var u=ds("set-obj!",As(e),["object","function"]);throw new Error(u)}h("set-obj!",t,["string","symbol","number"]);e=Fa(e);t=t.valueOf();if(arguments.length===2){delete e[t]}else if(Hu(e)&&pa(r)){e[t]=Fa(r);e[t][Ma]=true}else if(pa(r)||bs(r)||r===U){e[t]=r}else{e[t]=r&&!Hu(r)?r.valueOf():r}if(Ru){var a=e[t];Object.defineProperty(e,t,Cn(Cn({},n),{},{value:a}))}},"(set-obj! obj key value)\n        (set-obj! obj key value props)\n\n        Function set a property of a JavaScript object. props should be a vector of pairs,\n        passed to Object.defineProperty."),"null-environment":l("null-environment",function(){return us.inherit("null")},"(null-environment)\n\n        Returns a clean environment with only the standard library."),values:l("values",function e(){for(var t=arguments.length,r=new Array(t),n=0;n<t;n++){r[n]=arguments[n]}return Wo(r)},"(values a1 a2 ...)\n\n        If called with more then one element it will create a special\n        Values object that can be used in the call-with-values function."),"call-with-values":l("call-with-values",function(e,t){h("call-with-values",e,"function",1);h("call-with-values",t,"function",2);var r=e.apply(this);if(r instanceof Wo){return t.apply(this,r.valueOf())}return t.call(this,r)},"(call-with-values producer consumer)\n\n        Calls the producer procedure with no arguments, then calls the\n        consumer procedure with the returned value as an argument -- unless\n        the returned value is a special Values object created by (values), if it is\n        the values are unpacked and the consumer is called with multiple arguments."),"current-environment":l("current-environment",function(){if(this.__name__==="__frame__"){return this.__parent__}return this},"(current-environment)\n\n        Function that returns the current environment (they're first-class objects!)"),"parent.frame":l("parent.frame",function(){return as},"(parent.frame)\n\n        Returns the parent environment if called from inside a function.\n        If no parent frame can be found it returns nil."),eval:l("eval",function(e,t){var n=this;t=t||this.get("current-environment").call(this);return Ls(e,{env:t,dynamic_env:t,error:function e(t){var e=us.get("display-error");e.call(n,t.message);if(t.code){var r=t.code.map(function(e,t){return"[".concat(t+1,"]: ").concat(e)}).join("\n");e.call(n,r)}}})},"(eval expr)\n        (eval expr environment)\n\n        Function that evaluates LIPS Scheme code. If the second argument is provided\n        it will be the environment that the code is evaluated in."),lambda:new na("lambda",function(d){var e=arguments.length>1&&arguments[1]!==undefined?arguments[1]:{},v=e.use_dynamic,y=e.error;var m=this;var g;if(d.cdr instanceof M&&co.isString(d.cdr.car)&&d.cdr.cdr!==U){g=d.cdr.car.valueOf()}function b(){var c=da(this)?this:{dynamic_env:m},r=c.dynamic_env;var n=m.inherit("lambda");r=r.inherit("lambda");if(this&&!da(this)){if(this&&!this.__instance__){Object.defineProperty(this,"__instance__",{enumerable:false,get:function e(){return true},set:function e(){},configurable:false})}n.set("this",this)}for(var e=arguments.length,t=new Array(e),i=0;i<e;i++){t[i]=arguments[i]}if(this instanceof Ps){var u={throwError:false};n.set("arguments",this.env.get("arguments",u));n.set("parent.frame",this.env.get("parent.frame",u))}else{var a=t.slice();a.callee=b;a.env=n;n.set("arguments",a)}function f(e,t){n.__env__[e.__name__]=t;r.__env__[e.__name__]=t}var o=d.car;var s=0;if(o instanceof L||o!==U){while(true){if(o.car!==U){if(o instanceof L){var l=Qo(M.fromArray(t.slice(s),false));f(o,l);break}else if(ya(o)){var h=t[s];f(o.car,h)}}if(o.cdr===U){break}s++;o=o.cdr}}var p=g?d.cdr.cdr:d.cdr;var _=new M(new L("begin"),p);return Ls(_,{env:n,dynamic_env:r,use_dynamic:v,error:y})}var t=d.car instanceof M?d.car.length():null;b.__code__=new M(new L("lambda"),d);b[qa]=true;if(!(d.car instanceof M)){return l(b,g,true)}return l($a(b,t),g,true)},"(lambda (a b) body)\n        (lambda args body)\n        (lambda (a b . rest) body)\n\n        The lambda macro creates a new anonymous function. If the first element of\n        the body is a string and there is more elements the string is used as the\n        documentation string, that can be read using (help fn)."),macroexpand:new na("macroexpand",aa()),"macroexpand-1":new na("macroexpand-1",aa(true)),"define-macro":l(new na(ia,function(o,e){var s=e.use_dynamic,c=e.error;if(o.car instanceof M&&o.car.car instanceof L){var t=o.car.car.__name__;var f;if(co.isString(o.cdr.car)&&o.cdr.cdr instanceof M){f=o.cdr.car.valueOf()}var r=na.defmacro(t,function(e){var t=new Go({},this,"defmacro");var r=o.car.cdr;var n=e;while(true){if(r===U){break}if(r instanceof L){t.__env__[r.__name__]=n;break}else if(r.car!==U){if(n===U){t.__env__[r.car.__name__]=U}else{if(n.car instanceof M){n.car[Na]=true}t.__env__[r.car.__name__]=n.car}}if(r.cdr===U){break}if(n!==U){n=n.cdr}r=r.cdr}var i={env:t,dynamic_env:t,use_dynamic:s,error:c};if(o.cdr instanceof M){var u=f?o.cdr.cdr:o.cdr;var a=u.reduce(function(e,t){return Ls(t,i)});return tu(a,function(e){if(d(e)==="object"){delete e[Na]}return e})}},f,true);r.__code__=new M(new L("define-macro"),o);this.set(t,r)}}),"(define-macro (name . args) body)\n\n         The meta-macro, that creates new macros. If the return value is a list structure\n         it will be evaluated where the macro is invoked from. You can use quasiquote `\n         and unquote , and unquote-splicing ,@ inside to create an expression that will be\n         evaluated at runtime. Macros works like this: if you pass any expression to a\n         macro the arguments will not be evaluated unless the macro's body explicitly\n         calls (eval) on it. Because of this a macro can manipulate the expression\n         (arguments) as lists."),"syntax-rules":new na("syntax-rules",function(m,e){var g=e.use_dynamic,b=e.error;var w=this;function D(e){var t=[];while(e!==U){var r=e.car;t.push(r.valueOf());e=e.cdr}return t}function t(e){while(e!==U){var t=e.car;if(!(t instanceof L)){throw new Error("syntax-rules: wrong identifier")}e=e.cdr}}if(m.car instanceof L){t(m.cdr.car)}else{t(m.car)}var r=new oa(function(e,f){var l=f.macro_expand;var t=w.inherit("syntax");var h=t;var r=this;if(r.__name__===oa.__merge_env__){var p=Object.getOwnPropertySymbols(r.__env__);p.forEach(function(e){r.__parent__.set(e,r.__env__[e])});r=r.__parent__}var _={env:t,dynamic_env:h,use_dynamic:g,error:b};var n,i,u;if(m.car instanceof L){n=m.car;u=D(m.cdr.car);i=m.cdr.cdr}else{n="...";u=D(m.car);i=m.cdr}try{while(i!==U){var a=i.car.car;var o=i.car.cdr.car;Un(a);var s=ca(a,e,u,n,{expansion:this,define:w});if(s){if(Mn()){console.log(JSON.stringify(zu(s),true,2));console.log("PATTERN: "+a.toString(true));console.log("MACRO: "+e.toString(true))}var d=[];var c=la({bindings:s,expr:o,symbols:u,scope:t,lex_scope:r,names:d,ellipsis:n});Un("OUPUT>>> "+c.toString());if(c){o=c}var v=r.merge(t,oa.__merge_env__);if(l){return{expr:o,scope:v}}var y=Ls(o,Cn(Cn({},_),{},{env:v}));return fa(y,d)}i=i.cdr}}catch(e){e.message+=" in macro: ".concat(m.toString(true));throw e}throw new Error("Invalid Syntax ".concat(e.toString(true)))},w);r.__code__=m;return r},"(syntax-rules () (pattern expression) ...)\n\n        Base of hygienic macros, it will return a new syntax expander\n        that works like Lisp macros."),quote:l(new na("quote",function(e){return Qo(e.car)}),"(quote expression) or 'expression\n\n         Macro that returns a single LIPS expression as data (it won't evaluate the\n         argument). It will return a list if put in front of LIPS code.\n         And if put in front of a symbol it will return the symbol itself, not the value\n         bound to that name."),"unquote-splicing":l("unquote-splicing",function(){throw new Error("You can't call `unquote-splicing` outside of quasiquote")},"(unquote-splicing code) or ,@code\n\n        Special form used in the quasiquote macro. It evaluates the expression inside and\n        splices the list into quasiquote's result. If it is not the last element of the\n        expression, the computed value must be a pair."),unquote:l("unquote",function(){throw new Error("You can't call `unquote` outside of quasiquote")},"(unquote code) or ,code\n\n        Special form used in the quasiquote macro. It evaluates the expression inside and\n        substitutes the value into quasiquote's result."),quasiquote:na.defmacro("quasiquote",function(e,t){var o=t.use_dynamic,s=t.error;var c=this;var f=c;function a(e){return e instanceof M||Nu(e)||Array.isArray(e)}function h(e,t){var r=arguments.length>2&&arguments[2]!==undefined?arguments[2]:a;if(e instanceof M){var n=e.car;var i=e.cdr;if(r(n)){n=t(n)}if(r(i)){i=t(i)}if(ba(n)||ba(i)){return Mi([n,i]).then(function(e){var t=z(e,2),r=t[0],n=t[1];return new M(r,n)})}else{return new M(n,i)}}return e}function u(e,t){if(e instanceof M){if(t!==U){e.append(t)}}else{e=new M(e,t)}return e}function r(e){return!!e.filter(function(e){return e instanceof M&&L.is(e.car,/^(unquote|unquote-splicing)$/)}).length}function p(e,n,i){return e.reduce(function(e,t){if(!(t instanceof M)){e.push(t);return e}if(L.is(t.car,"unquote-splicing")){var r;if(n+1<i){r=l(t.cdr,n+1,i)}else{r=Ls(t.cdr.car,{env:c,use_dynamic:o,dynamic_env:f,error:s})}if(!(r instanceof M)){throw new Error("Expecting list ".concat(As(t)," found"))}return e.concat(r.to_array())}e.push(l(t,n,i));return e},[])}function _(n,i,u){var a={};i++;Object.keys(n).forEach(function(e){var t=n[e];if(t instanceof M){if(L.is(t.car,"unquote-splicing")){throw new Error("You can't call `unquote-splicing` "+"inside object")}var r;if(i<u){r=l(t.cdr.car,i,u)}else{r=Ls(t.cdr.car,{env:c,dynamic_env:f,use_dynamic:o,error:s})}a[e]=r}else{a[e]=t}});if(Object.isFrozen(n)){Object.freeze(a)}return a}function d(i,e,t){if(e<t){return new M(new M(i.car.car,l(i.car.cdr,e,t)),U)}var n=[];return function e(t){var r=Ls(t.car,{env:c,dynamic_env:f,use_dynamic:o,error:s});n.push(r);if(t.cdr instanceof M){return e(t.cdr)}return tu(n,function(r){if(r.some(function(e){return!(e instanceof M)})){if(i.cdr instanceof M&&L.is(i.cdr.car,".")&&i.cdr.cdr instanceof M&&i.cdr.cdr.cdr===U){return i.cdr.cdr.car}if(!(i.cdr===U||i.cdr instanceof M)){var e="You can't splice atom inside list";throw new Error(e)}if(r.length>1){var t="You can't splice multiple atoms inside list";throw new Error(t)}if(!(i.cdr instanceof M&&r[0]===U)){return r[0]}}r=r.map(function(e){if(v.has(e)){return e.clone()}else{v.add(e);return e}});var n=l(i.cdr,0,1);if(n===U&&r[0]===U){return undefined}return tu(n,function(e){if(r[0]===U){return e}if(r.length===1){return u(r[0],e)}var t=r.reduce(function(e,t){return u(e,t)});return u(t,e)})})}(i.car.cdr)}var v=new Set;function l(e,t,r){if(e instanceof M){if(e.car instanceof M){if(L.is(e.car.car,"unquote-splicing")){return d(e,t+1,r)}if(L.is(e.car.car,"unquote")){if(t+2===r&&e.car.cdr instanceof M&&e.car.cdr.car instanceof M&&L.is(e.car.cdr.car.car,"unquote-splicing")){var n=e.car.cdr;return new M(new M(new L("unquote"),d(n,t+2,r)),U)}else if(e.car.cdr instanceof M&&e.car.cdr.cdr!==U){if(e.car.cdr.car instanceof M){var i=[];return function t(r){if(r===U){return M.fromArray(i)}return tu(Ls(r.car,{env:c,dynamic_env:f,use_dynamic:o,error:s}),function(e){i.push(e);return t(r.cdr)})}(e.car.cdr)}else{return e.car.cdr}}}}if(L.is(e.car,"quasiquote")){var u=l(e.cdr,t,r+1);return new M(e.car,u)}if(L.is(e.car,"quote")){return new M(e.car,l(e.cdr,t,r))}if(L.is(e.car,"unquote")){t++;if(t<r){return new M(new L("unquote"),l(e.cdr,t,r))}if(t>r){throw new Error("You can't call `unquote` outside "+"of quasiquote")}if(e.cdr instanceof M){if(e.cdr.cdr!==U){if(e.cdr.car instanceof M){var a=[];return function t(r){if(r===U){return M.fromArray(a)}return tu(Ls(r.car,{env:c,dynamic_env:f,use_dynamic:o,error:s}),function(e){a.push(e);return t(r.cdr)})}(e.cdr)}else{return e.cdr}}else{return Ls(e.cdr.car,{env:c,dynamic_env:f,error:s})}}else{return e.cdr}}return h(e,function(e){return l(e,t,r)})}else if(Nu(e)){return _(e,t,r)}else if(e instanceof Array){return p(e,t,r)}return e}function n(e){if(e instanceof M){delete e[Na];if(!e.haveCycles("car")){n(e.car)}if(!e.haveCycles("cdr")){n(e.cdr)}}}if(Nu(e.car)&&!r(Object.values(e.car))){return Qo(e.car)}if(Array.isArray(e.car)&&!r(e.car)){return Qo(e.car)}if(e.car instanceof M&&!e.car.find("unquote")&&!e.car.find("unquote-splicing")&&!e.car.find("quasiquote")){return Qo(e.car)}var i=l(e.car,0,1);return tu(i,function(e){n(e);return Qo(e)})},"(quasiquote list)\n\n        Similar macro to `quote` but inside it you can use special expressions (unquote\n        x) abbreviated to ,x that will evaluate x and insert its value verbatim or\n        (unquote-splicing x) abbreviated to ,@x that will evaluate x and splice the value\n        into the result. Best used with macros but it can be used outside."),clone:l("clone",function e(t){h("clone",t,"pair");return t.clone()},"(clone list)\n\n        Function that returns a clone of the list, that does not share any pairs with the\n        original, so the clone can be safely mutated without affecting the original."),append:l("append",function e(){var t;for(var r=arguments.length,n=new Array(r),i=0;i<r;i++){n[i]=arguments[i]}n=n.map(function(e){if(e instanceof M){return e.clone()}return e});return(t=us.get("append!")).call.apply(t,[this].concat(C(n)))},"(append item ...)\n\n        Function that creates a new list with each argument appended end-to-end.\n        It will always return a new list and not modify its arguments."),"append!":l("append!",function(){var r=us.get("list?");for(var e=arguments.length,t=new Array(e),n=0;n<e;n++){t[n]=arguments[n]}return t.reduce(function(e,t){h("append!",e,["nil","pair"]);if((t instanceof M||t===U)&&!r(t)){throw new Error("append!: Invalid argument, value is not a list")}if(ha(t)){return e}if(e===U){if(t===U){return U}return t}return e.append(t)},U)},"(append! arg1 ...)\n\n        Destructive version of append, it can modify the lists in place. It returns\n        a new list where each argument is appended to the end. It may modify\n        lists added as arguments."),reverse:l("reverse",function e(t){h("reverse",t,["array","pair","nil"]);if(t===U){return U}if(t instanceof M){var r=us.get("list->array")(t).reverse();return us.get("array->list")(r)}else if(Array.isArray(t)){return t.reverse()}else{throw new Error(ds("reverse",As(t),"array or pair"))}},"(reverse list)\n\n        Function that reverses the list or array. If value is not a list\n        or array it will error."),nth:l("nth",function e(t,r){h("nth",t,"number");h("nth",r,["array","pair"]);if(r instanceof M){var n=r;var i=0;while(i<t){if(!n.cdr||n.cdr===U||n.haveCycles("cdr")){return U}n=n.cdr;i++}return n.car}else if(r instanceof Array){return r[t]}else{throw new Error(ds("nth",As(r),"array or pair",2))}},"(nth index obj)\n\n        Function that returns the nth element of the list or array.\n        If used with a non-indexable value it will error."),list:l("list",function e(){for(var t=arguments.length,r=new Array(t),n=0;n<t;n++){r[n]=arguments[n]}return r.reverse().reduce(function(e,t){return new M(t,e)},U)},"(list . args)\n\n        Function that creates a new list out of its arguments."),substring:l("substring",function e(t,r,n){h("substring",t,"string");h("substring",r,"number");h("substring",n,["number","undefined"]);return t.substring(r.valueOf(),n&&n.valueOf())},"(substring string start end)\n\n        Function that returns the slice of the string starting at start and ending\n        with end."),concat:l("concat",function e(){for(var t=arguments.length,r=new Array(t),n=0;n<t;n++){r[n]=arguments[n]}r.forEach(function(e,t){return h("concat",e,"string",t+1)});return r.join("")},"(concat . strings)\n\n        Function that creates a new string by joining its arguments."),join:l("join",function e(t,r){h("join",t,"string");h("join",r,["pair","nil"]);return us.get("list->array")(r).join(t)},"(join separator list)\n\n        Function that returns a string by joining elements of the list using separator."),split:l("split",function e(t,r){h("split",t,["regex","string"]);h("split",r,"string");return us.get("array->list")(r.split(t))},"(split separator string)\n\n        Function that creates a list by splitting string by separator which can\n        be a string or regular expression."),replace:l("replace",function e(t,r,n){h("replace",t,["regex","string"]);h("replace",r,["string","function"]);h("replace",n,"string");return n.replace(t,r)},"(replace pattern replacement string)\n\n        Function that changes pattern to replacement inside string. Pattern can be a\n        string or regex and replacement can be function or string. See Javascript\n        String.replace()."),match:l("match",function e(t,r){h("match",t,["regex","string"]);h("match",r,"string");var n=r.match(t);return n?us.get("array->list")(n):false},"(match pattern string)\n\n        Function that returns a match object from JavaScript as a list or #f if\n        no match."),search:l("search",function e(t,r){h("search",t,["regex","string"]);h("search",r,"string");return r.search(t)},"(search pattern string)\n\n        Function that returns the first found index of the pattern inside a string."),repr:l("repr",function e(t,r){return Gu(t,r)},"(repr obj)\n\n        Function that returns a LIPS code representation of the object as a string."),"escape-regex":l("escape-regex",function(e){h("escape-regex",e,"string");return Fi(e.valueOf())},"(escape-regex string)\n\n        Function that returns a new string where all special operators used in regex,\n        are escaped with backslashes so they can be used in the RegExp constructor\n        to match a literal string."),env:l("env",function e(e){e=e||this.env;var t=Object.keys(e.__env__).map(L);var r;if(t.length){r=M.fromArray(t)}else{r=U}if(e.__parent__ instanceof Go){return us.get("env").call(this,e.__parent__).append(r)}return r},"(env)\n        (env obj)\n\n        Function that returns a list of names (functions, macros and variables)\n        that are bound in the current environment or one of its parents."),new:l("new",function(e){for(var t=arguments.length,r=new Array(t>1?t-1:0),n=1;n<t;n++){r[n-1]=arguments[n]}var i=p(Fa(e),C(r.map(function(e){return Aa(e)})));return i},"(new obj . args)\n\n        Function that creates new JavaScript instance of an object."),typecheck:l(h,"(typecheck label value type [position])\n\n         Checks the type of value and errors if the type is not one allowed.  Type can be\n         string or list of strings. The position optional argument is used to create a\n         proper error message for the nth argument of function calls."),"unset-special!":l("unset-special!",function(e){h("remove-special!",e,"string");delete Vi.remove(e.valueOf())},"(unset-special! name)\n\n        Function that removes a special symbol from parser added by `set-special!`,\n        name must be a string."),"set-special!":l("set-special!",function(e,t){var r=arguments.length>2&&arguments[2]!==undefined?arguments[2]:Vi.LITERAL;h("set-special!",e,"string",1);h("set-special!",t,"symbol",2);Vi.append(e.valueOf(),t,r)},'(set-special! symbol name [type])\n\n        Add a special symbol to the list of transforming operators by the parser.\n        e.g.: `(add-special! "#" \'x)` will allow to use `#(1 2 3)` and it will be\n        transformed into (x (1 2 3)) so you can write x macro that will process\n        the list. 3rd argument is optional, and it can be one of two values:\n        lips.specials.LITERAL, which is the default behavior, or\n        lips.specials.SPLICE which causes the value to be unpacked into the expression.\n        This can be used for e.g. to make `#(1 2 3)` into (x 1 2 3) that is needed\n        by # that defines vectors.'),get:Xo,".":Xo,unbind:l(Fa,"(unbind fn)\n\n         Function that removes the weak 'this' binding from a function so you\n         can get properties from the actual function object."),type:l(As,"(type object)\n\n         Function that returns the type of an object as string."),debugger:l("debugger",function(){debugger},'(debugger)\n\n        Function that triggers the JavaScript debugger (e.g. the browser devtools)\n        using the "debugger;" statement. If a debugger is not running this\n        function does nothing.'),in:l("in",function(e,t){if(e instanceof L||e instanceof co||e instanceof y){e=e.valueOf()}return e in Aa(t)},'(in key value)\n\n        Function that uses the Javascript "in" operator to check if key is\n        a valid property in the value.'),instanceof:l("instanceof",function(e,t){return t instanceof Fa(e)},"(instanceof type obj)\n\n        Predicate that tests if the obj is an instance of type."),"prototype?":l("prototype?",Hu,"(prototype? obj)\n\n         Predicate that tests if value is a valid JavaScript prototype,\n         i.e. calling (new) with it will not throw '<x> is not a constructor'."),"macro?":l("macro?",function(e){return e instanceof na},"(macro? expression)\n\n        Predicate that tests if value is a macro."),"function?":l("function?",pa,"(function? expression)\n\n         Predicate that tests if value is a callable function."),"real?":l("real?",function(e){if(As(e)!=="number"){return false}if(e instanceof y){return e.isFloat()}return y.isFloat(e)},"(real? number)\n\n        Predicate that tests if value is a real number (not complex)."),"number?":l("number?",function(e){return Number.isNaN(e)||y.isNumber(e)},"(number? expression)\n\n        Predicate that tests if value is a number or NaN value."),"string?":l("string?",function(e){return co.isString(e)},"(string? expression)\n\n        Predicate that tests if value is a string."),"pair?":l("pair?",function(e){return e instanceof M},"(pair? expression)\n\n        Predicate that tests if value is a pair or list structure."),"regex?":l("regex?",function(e){return e instanceof RegExp},"(regex? expression)\n\n        Predicate that tests if value is a regular expression."),"null?":l("null?",function(e){return ha(e)},"(null? expression)\n\n        Predicate that tests if value is null-ish (i.e. undefined, nil, or\n        Javascript null)."),"boolean?":l("boolean?",function(e){return typeof e==="boolean"},"(boolean? expression)\n\n        Predicate that tests if value is a boolean (#t or #f)."),"symbol?":l("symbol?",function(e){return e instanceof L},"(symbol? expression)\n\n        Predicate that tests if value is a LIPS symbol."),"array?":l("array?",function(e){return e instanceof Array},"(array? expression)\n\n        Predicate that tests if value is an array."),"object?":l("object?",function(e){return e!==U&&e!==null&&!(e instanceof so)&&!(e instanceof RegExp)&&!(e instanceof co)&&!(e instanceof M)&&!(e instanceof y)&&d(e)==="object"&&!(e instanceof Array)},"(object? expression)\n\n        Predicate that tests if value is an plain object (not another LIPS type)."),flatten:l("flatten",function e(t){h("flatten",t,"pair");return t.flatten()},"(flatten list)\n\n        Returns a shallow list from tree structure (pairs)."),"array->list":l("array->list",function(e){h("array->list",e,"array");return M.fromArray(e)},"(array->list array)\n\n        Function that converts a JavaScript array to a LIPS cons list."),"tree->array":l("tree->array",Iu("tree->array",true),"(tree->array list)\n\n         Function that converts a LIPS cons tree structure into a JavaScript array."),"list->array":l("list->array",Iu("list->array"),"(list->array list)\n\n         Function that converts a LIPS list into a JavaScript array."),apply:l("apply",function e(t){for(var r=arguments.length,n=new Array(r>1?r-1:0),i=1;i<r;i++){n[i-1]=arguments[i]}h("apply",t,"function",1);var u=n.pop();h("apply",u,["pair","nil"],n.length+2);n=n.concat(us.get("list->array").call(this,u));return t.apply(this,Os(t,n))},"(apply fn list)\n\n        Function that calls fn with the list of arguments."),length:l("length",function e(t){if(!t||t===U){return 0}if(t instanceof M){return t.length()}if("length"in t){return t.length}},'(length expression)\n\n        Function that returns the length of the object. The object can be a LIPS\n        list or any object that has a "length" property. Returns undefined if the\n        length could not be found.'),"string->number":l("string->number",function(e){var t=arguments.length>1&&arguments[1]!==undefined?arguments[1]:10;h("string->number",e,"string",1);h("string->number",t,"number",2);e=e.valueOf();t=t.valueOf();if(e.match(si)||e.match(ui)){return pi(e,t)}else if(e.match(ci)||e.match(ii)){return vi(e,t)}else{var r=t===10&&!e.match(/e/i)||t===16;if(e.match(oi)&&r||e.match(ai)){return _i(e,t)}if(e.match(Gn)){return gi(e)}}return false},"(string->number number [radix])\n\n        Function that parses a string into a number."),try:l(new na("try",function(t,e){var c=this;var r=e.use_dynamic,f=e.error;return new Promise(function(n,i){var u,a;if(L.is(t.cdr.car.car,"catch")){u=t.cdr.car;if(t.cdr.cdr instanceof M&&L.is(t.cdr.cdr.car.car,"finally")){a=t.cdr.cdr.car}}else if(L.is(t.cdr.car.car,"finally")){a=t.cdr.car}if(!(a||u)){throw new Error("try: invalid syntax")}var o=n;if(a){o=function e(t,r){o=i;tu(Ls(new M(new L("begin"),a.cdr),s),function(){r(t)})}}var s={env:c,use_dynamic:r,dynamic_env:c,error:function(t){function e(e){return t.apply(this,arguments)}e.toString=function(){return t.toString()};return e}(function(e){var t=c.inherit("try");if(u){t.set(u.cdr.car.car,e);var r={env:t,error:f};r.dynamic_env=c;tu(Ls(new M(new L("begin"),u.cdr.cdr),r),function(e){o(e,n)})}else{o(e,f)}})};var e=Ls(t.car,s);if(ba(e)){e.then(function(e){o(e,n)})["catch"](s.error)}else{o(e,n)}})}),"(try expr (catch (e) code))\n         (try expr (catch (e) code) (finally code))\n         (try expr (finally code))\n\n         Macro that executes expr and catches any exceptions thrown. If catch is provided\n         it's executed when an error is thrown. If finally is provided it's always\n         executed at the end."),raise:l("raise",function(e){throw e},"(raise obj)\n\n        Throws the object verbatim (no wrapping an a new Error)."),throw:l("throw",function(e){throw new Error(e)},"(throw string)\n\n        Throws a new exception."),find:l("find",function t(r,n){h("find",r,["regex","function"]);h("find",n,["pair","nil"]);if(ha(n)){return U}var e=ou("find",r);return tu(e(n.car),function(e){if(e&&e!==U){return n.car}return t(r,n.cdr)})},"(find fn list)\n        (find regex list)\n\n        Higher-order function that finds the first value for which fn return true.\n        If called with a regex it will create a matcher function."),"for-each":l("for-each",function(e){var t;h("for-each",e,"function");for(var r=arguments.length,n=new Array(r>1?r-1:0),i=1;i<r;i++){n[i-1]=arguments[i]}n.forEach(function(e,t){h("for-each",e,["pair","nil"],t+1)});var u=(t=us.get("map")).call.apply(t,[this,e].concat(n));if(ba(u)){return u.then(function(){})}},"(for-each fn . lists)\n\n        Higher-order function that calls function `fn` on each\n        value of the argument. If you provide more than one list\n        it will take each value from each list and call `fn` function\n        with that many arguments as number of list arguments."),map:l("map",function e(r){var n=this;for(var t=arguments.length,i=new Array(t>1?t-1:0),u=1;u<t;u++){i[u-1]=arguments[u]}h("map",r,"function");var a=us.get("list?");i.forEach(function(e,t){h("map",e,["pair","nil"],t+1);if(e instanceof M&&!a.call(n,e)){throw new Error("map: argument ".concat(t+1," is not a list"))}});if(i.length===0){return U}if(i.some(function(e){return e===U})){return U}var o=i.map(function(e){return e.car});var s=this.env,c=this.dynamic_env,f=this.use_dynamic;var l=Ss(r,o,{env:s,dynamic_env:c,use_dynamic:f});return tu(l,function(t){return tu(e.call.apply(e,[n,r].concat(C(i.map(function(e){return e.cdr})))),function(e){return new M(t,e)})})},"(map fn . lists)\n\n        Higher-order function that calls function `fn` with each\n        value of the list. If you provide more then one list as argument\n        it will take each value from each list and call `fn` function\n        with that many argument as number of list arguments. The return\n        values of the fn calls are accumulated in a result list and\n        returned by map."),"list?":l("list?",function(e){var t=e;while(true){if(t===U){return true}if(!(t instanceof M)){return false}if(t.haveCycles("cdr")){return false}t=t.cdr}},'(list? obj)\n\n        Predicate that tests if value is a proper linked list structure.\n        The car of each pair can be any value. It returns false on cyclic lists."'),some:l("some",function t(r,n){h("some",r,"function");h("some",n,["pair","nil"]);if(ha(n)){return false}else{return tu(r(n.car),function(e){return e||t(r,n.cdr)})}},"(some fn list)\n\n        Higher-order function that calls fn on each element of the list.\n        It stops and returns true when fn returns true for a value.\n        If none of the values give true, some will return false.\n        Analogous to Python any(map(fn, list))."),fold:l("fold",to("fold",function(e,t,r){for(var n=arguments.length,i=new Array(n>3?n-3:0),u=3;u<n;u++){i[u-3]=arguments[u]}h("fold",t,"function");i.forEach(function(e,t){h("fold",e,["pair","nil"],t+1)});if(i.some(function(e){return e===U})){return r}var a=e.call.apply(e,[this,t,r].concat(C(i.map(function(e){return e.cdr}))));return tu(a,function(e){return t.apply(void 0,C(i.map(function(e){return e.car})).concat([e]))})}),"(fold fn init . lists)\n\n         Function fold is left-to-right reversal of reduce. It call `fn`\n         on each pair of elements of the list and returns a single value.\n         e.g. it computes (fn 'a 'x (fn 'b 'y (fn 'c 'z 'foo)))\n         for: (fold fn 'foo '(a b c) '(x y z))"),pluck:l("pluck",function e(){for(var t=arguments.length,u=new Array(t),r=0;r<t;r++){u[r]=arguments[r]}return function(t){u=u.map(function(e){return e instanceof L?e.__name__:e});if(u.length===0){return U}else if(u.length===1){var e=u,r=z(e,1),n=r[0];return t[n]}var i={};u.forEach(function(e){i[e]=t[e]});return i}},"(pluck . strings)\n\n        If called with a single string it will return a function that when\n        called with an object will return that key from the object.\n        If called with more then one string the returned function will\n        create a new object by copying all properties from the given object."),reduce:l("reduce",to("reduce",function(t,r,e){var n=this;for(var i=arguments.length,u=new Array(i>3?i-3:0),a=3;a<i;a++){u[a-3]=arguments[a]}h("reduce",r,"function");u.forEach(function(e,t){h("reduce",e,["pair","nil"],t+1)});if(u.some(function(e){return e===U})){return e}return tu(r.apply(void 0,C(u.map(function(e){return e.car})).concat([e])),function(e){return t.call.apply(t,[n,r,e].concat(C(u.map(function(e){return e.cdr}))))})}),"(reduce fn init list . lists)\n\n         Higher-order function that takes each element of the list and calls\n         the fn with result of previous call or init and the next element\n         of the list until each element is processed, and returns a single value\n         as result of last call to `fn` function.\n         e.g. it computes (fn 'c 'z (fn 'b 'y (fn 'a 'x 'foo)))\n         for: (reduce fn 'foo '(a b c) '(x y z))"),filter:l("filter",function e(t,r){h("filter",t,["regex","function"]);h("filter",r,["pair","nil"]);var i=us.get("list->array")(r);var u=[];var a=ou("filter",t);return function t(r){function e(e){if(e&&e!==U){u.push(n)}return t(++r)}if(r===i.length){return M.fromArray(u)}var n=i[r];return tu(a(n),e)}(0)},"(filter fn list)\n        (filter regex list)\n\n        Higher-order function that calls `fn` for each element of the list\n        and return a new list for only those elements for which fn returns\n        a truthy value. If called with a regex it will create a matcher function."),compose:l(eo,"(compose . fns)\n\n         Higher-order function that creates a new function that applies all functions\n         from right to left and returns the last value. Reverse of pipe.\n         e.g.:\n         ((compose (curry + 2) (curry * 3)) 10) --\x3e (+ 2 (* 3 10)) --\x3e 32"),pipe:l(Xa,"(pipe . fns)\n\n         Higher-order function that creates a new function that applies all functions\n         from left to right and returns the last value. Reverse of compose.\n         e.g.:\n         ((pipe (curry + 2) (curry * 3)) 10) --\x3e (* 3 (+ 2 10)) --\x3e 36"),curry:l(ao,"(curry fn . args)\n\n         Higher-order function that creates a curried version of the function.\n         The result function will have partially applied arguments and it\n         will keep returning one-argument functions until all arguments are provided,\n         then it calls the original function with the accumulated arguments.\n\n         e.g.:\n         (define (add a b c d) (+ a b c d))\n         (define add1 (curry add 1))\n         (define add12 (add 2))\n         (display (add12 3 4))"),gcd:l("gcd",function e(){for(var t=arguments.length,r=new Array(t),n=0;n<t;n++){r[n]=arguments[n]}ys("lcm",r,"number");return r.reduce(function(e,t){return e.gcd(t)})},"(gcd n1 n2 ...)\n\n        Function that returns the greatest common divisor of the arguments."),lcm:l("lcm",function e(){for(var t=arguments.length,r=new Array(t),n=0;n<t;n++){r[n]=arguments[n]}ys("lcm",r,"number");var i=r.length,u=Qu(r[0]);for(var a=1;a<i;a++){var o=Qu(r[a]),s=u;while(u&&o){u>o?u%=o:o%=u}u=Qu(s*r[a])/(u+o)}return y(u)},"(lcm n1 n2 ...)\n\n        Function that returns the least common multiple of the arguments."),"odd?":l("odd?",no(function(e){return y(e).isOdd()}),"(odd? number)\n\n         Checks if number is odd."),"even?":l("even?",no(function(e){return y(e).isEven()}),"(even? number)\n\n         Checks if number is even."),"*":l("*",uo(function(e,t){return y(e).mul(t)},y(1)),"(* . numbers)\n\n        Multiplies all numbers passed as arguments. If single value is passed\n        it will return that value."),"+":l("+",uo(function(e,t){return y(e).add(t)},y(0)),"(+ . numbers)\n\n        Sums all numbers passed as arguments. If single value is passed it will\n        return that value."),"-":l("-",function(){for(var e=arguments.length,t=new Array(e),r=0;r<e;r++){t[r]=arguments[r]}if(t.length===0){throw new Error("-: procedure require at least one argument")}ys("-",t,"number");if(t.length===1){return y(t[0]).sub()}if(t.length){return t.reduce(io(function(e,t){return y(e).sub(t)}))}},"(- n1 n2 ...)\n        (- n)\n\n        Subtracts n2 and subsequent numbers from n1. If only one argument is passed\n        it will negate the value."),"/":l("/",function(){for(var e=arguments.length,t=new Array(e),r=0;r<e;r++){t[r]=arguments[r]}if(t.length===0){throw new Error("/: procedure require at least one argument")}ys("/",t,"number");if(t.length===1){return y(1).div(t[0])}return t.reduce(io(function(e,t){return y(e).div(t)}))},"(/ n1 n2 ...)\n        (/ n)\n\n        Divides n1 by n2 and subsequent arguments one by one. If single argument\n        is passed it will calculate (/ 1 n)."),abs:l("abs",no(function(e){return y(e).abs()}),"(abs number)\n\n         Function that returns the absolute value (magnitude) of number."),truncate:l("truncate",function(e){h("truncate",e,"number");if(y.isFloat(e)){if(e instanceof y){e=e.valueOf()}return Ao(ra(e))}return e},"(truncate n)\n\n        Function that returns the integer part (floor) of a real number."),sqrt:l("sqrt",no(function(e){return y(e).sqrt()}),"(sqrt number)\n\n         Function that returns the square root of the number."),"**":l("**",io(function(e,t){e=y(e);t=y(t);if(t.cmp(0)===-1){return Ao(1).div(e).pow(t.sub())}return e.pow(t)}),"(** a b)\n\n         Function that calculates number a to to the power of b."),"1+":l("1+",no(function(e){return y(e).add(1)}),"(1+ number)\n\n         Function that adds 1 to the number and return result."),"1-":l(no(function(e){return y(e).sub(1)}),"(1- number)\n\n         Function that subtracts 1 from the number and return result."),"%":l("%",function(e,t){ys("%",[e,t],"number");return y(e).rem(t)},"(% n1 n2)\n\n        Function returns the remainder of n1/n2 (modulo)."),"==":l("==",function(){for(var e=arguments.length,t=new Array(e),r=0;r<e;r++){t[r]=arguments[r]}ys("==",t,"number");return Zu(function(e,t){return y(e).cmp(t)===0},t)},"(== x1 x2 ...)\n\n        Function that compares its numerical arguments and checks if they are\n        all equal."),">":l(">",function(){for(var e=arguments.length,t=new Array(e),r=0;r<e;r++){t[r]=arguments[r]}vs(">",t,["bigint","float","rational"]);return Zu(function(e,t){return y(e).cmp(t)===1},t)},"(> x1 x2 x3 ...)\n\n        Function that compares its numerical arguments and checks if they are\n        monotonically decreasing, i.e. x1 > x2 and x2 > x3 and so on."),"<":l("<",function(){for(var e=arguments.length,t=new Array(e),r=0;r<e;r++){t[r]=arguments[r]}vs("<",t,["bigint","float","rational"]);return Zu(function(e,t){return y(e).cmp(t)===-1},t)},"(< x1 x2 ...)\n\n        Function that compares its numerical arguments and checks if they are\n        monotonically increasing, i.e. x1 < x2 and x2 < x3 and so on."),"<=":l("<=",function(){for(var e=arguments.length,t=new Array(e),r=0;r<e;r++){t[r]=arguments[r]}vs("<=",t,["bigint","float","rational"]);return Zu(function(e,t){return[0,-1].includes(y(e).cmp(t))},t)},"(<= x1 x2 ...)\n\n        Function that compares its numerical arguments and checks if they are\n        monotonically nondecreasing, i.e. x1 <= x2 and x2 <= x3 and so on."),">=":l(">=",function(){for(var e=arguments.length,t=new Array(e),r=0;r<e;r++){t[r]=arguments[r]}vs(">=",t,["bigint","float","rational"]);return Zu(function(e,t){return[0,1].includes(y(e).cmp(t))},t)},"(>= x1 x2 ...)\n\n        Function that compares its numerical arguments and checks if they are\n        monotonically nonincreasing, i.e. x1 >= x2 and x2 >= x3 and so on."),"eq?":l("eq?",Xu,"(eq? a b)\n\n         Function that compares two values if they are identical."),or:l(new na("or",function(e,t){var i=t.use_dynamic,u=t.error;var a=us.get("list->array")(e);var o=this;var s=o;if(!a.length){return false}var c;return function t(){function e(e){c=e;if(c!==false){return c}else{return t()}}if(!a.length){if(c!==false){return c}else{return false}}else{var r=a.shift();var n=Ls(r,{env:o,dynamic_env:s,use_dynamic:i,error:u});return tu(n,e)}}()}),"(or . expressions)\n\n         Macro that executes the values one by one and returns the first that is\n         a truthy value. If there are no expressions that evaluate to true it\n         returns false."),and:l(new na("and",function(e){var t=arguments.length>1&&arguments[1]!==undefined?arguments[1]:{},r=t.use_dynamic,n=t.error;var i=us.get("list->array")(e);var u=this;var a=u;if(!i.length){return true}var o;var s={env:u,dynamic_env:a,use_dynamic:r,error:n};return function t(){function e(e){o=e;if(o===false){return false}else{return t()}}if(!i.length){if(o!==false){return o}else{return false}}else{var r=i.shift();return tu(Ls(r,s),e)}}()}),"(and . expressions)\n\n         Macro that evaluates each expression in sequence and if any value returns false\n         it will stop and return false. If each value returns true it will return the\n         last value. 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sc(t,ln(r,{magic:false}))}function pc(e){var t=lc(e),r=t.type,n=t.version;if(r==="LIPS"&&n===1){var i=hn(e.slice(fc),{magic:false});return oc.decode(i)}else{throw new Error("Invalid file format ".concat(r))}}function _c(e){console.error(e.message||e);if(e.code){console.error(e.code.map(function(e,t){return"[".concat(t+1,"]: ").concat(e)}))}}function dc(){var a=["text/x-lips","text/x-scheme"];var o;function s(r){return new Promise(function(t){var e=r.getAttribute("src");if(e){return fetch(e).then(function(e){return e.text()}).then(Ms).then(t)["catch"](function(e){_c(e);t()})}else{return Ms(r.innerHTML).then(t)["catch"](function(e){_c(e);t()})}})}function e(){return new Promise(function(i){var u=Array.from(document.querySelectorAll("script"));return function e(){var t=u.shift();if(!t){i()}else{var r=t.getAttribute("type");if(a.includes(r)){var n=t.getAttribute("bootstrap");if(!o&&typeof n==="string"){return Ks(n).then(function(){return s(t)}).then(e)}else{return s(t).then(e)}}else if(r&&r.match(/lips|lisp/)){console.warn("Expecting "+a.join(" or ")+" found "+r)}return e()}}()})}if(!window.document){return Promise.resolve()}else if(vc){var t=vc;var r=t.getAttribute("bootstrap");if(typeof r==="string"){return Ks(r).then(function(){o=true;return e()})}}return e()}var vc=typeof window!=="undefined"&&window.document&&document.currentScript;if(typeof window!=="undefined"){Ln(window,dc)}var yc=function(){var e=co("Mon, 15 Jan 2024 15:20:04 +0000").valueOf();var t=e==="{{"+"DATE}}"?new Date:new Date(e);var r=function e(t){return t.toString().padStart(2,"0")};var n=t.getFullYear();var i=[n,r(t.getMonth()+1),r(t.getDate())].join("-");var u="\n  __ __                          __\n / / \\ \\       _    _  ___  ___  \\ \\\n| |   \\ \\     | |  | || . \\/ __>  | |\n| |    > \\    | |_ | ||  _/\\__ \\  | |\n| |   / ^ \\   |___||_||_|  <___/  | |\n \\_\\ /_/ \\_\\                     /_/\n\nLIPS Interpreter DEV (".concat(i,") <https://lips.js.org>\nCopyright (c) 2018-").concat(n," Jakub T. Jankiewicz\n\nType (env) to see environment with functions macros and variables. You can also\nuse (help name) to display help for specific function or macro, (apropos name)\nto display list of matched names in environment and (dir object) to list\nproperties of an object.\n").replace(/^.*\n/,"");return u}();iu(pu,"__class__","ahead");iu(M,"__class__","pair");iu(ju,"__class__","nil");iu(_u,"__class__","pattern");iu(hu,"__class__","formatter");iu(na,"__class__","macro");iu(oa,"__class__","syntax");iu(Go,"__class__","environment");iu(Bo,"__class__","input-port");iu(jo,"__class__","output-port");iu(Io,"__class__","output-port");iu(Po,"__class__","output-string-port");iu(Ro,"__class__","input-string-port");iu(Uo,"__class__","input-file-port");iu(No,"__class__","output-file-port");iu(Ko,"__class__","lips-error");[y,Eo,Oo,Ao,So].forEach(function(e){iu(e,"__class__","number")});iu(so,"__class__","character");iu(L,"__class__","symbol");iu(co,"__class__","string");iu(Ui,"__class__","promise");iu(Is,"__class__","parameter");var mc="DEV";var gc="Mon, 15 Jan 2024 15:20:04 +0000";var bc=eo(uu,Xi);var wc={version:mc,banner:yc,date:gc,exec:Ms,parse:bc,tokenize:Ii,evaluate:Ls,compile:Us,serialize:uc,unserialize:ac,serialize_bin:hc,unserialize_bin:pc,bootstrap:Ks,Environment:Go,env:as,Worker:Gs,Interpreter:Jo,balanced_parenthesis:zs,balancedParenthesis:zs,balanced:zs,Macro:na,Syntax:oa,Pair:M,Values:Wo,QuotedPromise:Ui,Error:Ko,quote:Qo,InputPort:Bo,OutputPort:jo,BufferedOutputPort:Io,InputFilePort:Uo,OutputFilePort:No,InputStringPort:Ro,OutputStringPort:Po,InputByteVectorPort:To,OutputByteVectorPort:Lo,InputBinaryFilePort:Mo,OutputBinaryFilePort:qo,Formatter:hu,Parser:Qi,Lexer:s,specials:Vi,repr:Pu,nil:U,eof:Yo,LSymbol:L,LNumber:y,LFloat:Ao,LComplex:Eo,LRational:Oo,LBigInteger:So,LCharacter:so,LString:co,Parameter:Is,rationalize:ko};us.set("lips",wc);var Dc={};var Ec=Object.freeze({__proto__:null,default:Dc});function Ac(e,t){var r=0;for(var n=e.length-1;n>=0;n--){var i=e[n];if(i==="."){e.splice(n,1)}else if(i===".."){e.splice(n,1);r++}else 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Mc=Object.freeze({__proto__:null,resolve:kc,normalize:Cc,isAbsolute:Oc,join:Sc,relative:Bc,sep:jc,delimiter:Ic,dirname:Pc,basename:Nc,extname:Rc,default:Tc});e.BufferedOutputPort=Io;e.Environment=Go;e.Error=Ko;e.Formatter=hu;e.InputBinaryFilePort=Mo;e.InputByteVectorPort=To;e.InputFilePort=Uo;e.InputPort=Bo;e.InputStringPort=Ro;e.Interpreter=Jo;e.LBigInteger=So;e.LCharacter=so;e.LComplex=Eo;e.LFloat=Ao;e.LNumber=y;e.LRational=Oo;e.LString=co;e.LSymbol=L;e.Lexer=s;e.Macro=na;e.OutputBinaryFilePort=qo;e.OutputByteVectorPort=Lo;e.OutputFilePort=No;e.OutputPort=jo;e.OutputStringPort=Po;e.Pair=M;e.Parameter=Is;e.Parser=Qi;e.QuotedPromise=Ui;e.Syntax=oa;e.Values=Wo;e.Worker=Gs;e.balanced=zs;e.balancedParenthesis=zs;e.balanced_parenthesis=zs;e.banner=yc;e.bootstrap=Ks;e.compile=Us;e.date=gc;e.env=as;e.eof=Yo;e.evaluate=Ls;e.exec=Ms;e.nil=U;e.parse=bc;e.quote=Qo;e.rationalize=ko;e.repr=Pu;e.serialize=uc;e.serialize_bin=hc;e.specials=Vi;e.tokenize=Ii;e.unserialize=ac;e.unserialize_bin=pc;e.version=mc;Object.defineProperty(e,"__esModule",{value:true})});
\ No newline at end of file
diff --git a/rollup.config.js b/rollup.config.js
index 5f853739c..d438522f9 100644
--- a/rollup.config.js
+++ b/rollup.config.js
@@ -3,7 +3,6 @@ import nodeResolve from "@rollup/plugin-node-resolve";
 import babel from "@rollup/plugin-babel";
 import nodePolyfills from 'rollup-plugin-node-polyfills';
 
-
 function base() {
     return {
         input: "dist/version.js",
@@ -39,6 +38,7 @@ function base() {
         ]
     };
 }
+
 export default [
     {
         output: {
diff --git a/src/lips.js b/src/lips.js
index e0a6fd5da..2da1790d4 100644
--- a/src/lips.js
+++ b/src/lips.js
@@ -5642,15 +5642,7 @@ LComplex.prototype._op = function(op, n) {
 };
 // -------------------------------------------------------------------------
 LComplex.prototype.cmp = function(n) {
-    const [a, b] = this.coerce(n);
-    const [re_a, re_b] = a.__re__.coerce(b.__re__);
-    const re_cmp = re_a.cmp(re_b);
-    if (re_cmp !== 0) {
-        return re_cmp;
-    } else {
-        const [im_a, im_b] = a.__im__.coerce(b.__im__);
-        return im_a.cmp(im_b);
-    }
+    throw new Error(`Can't compare compex numbers`);
 };
 // -------------------------------------------------------------------------
 LComplex.prototype.valueOf = function() {
@@ -9414,7 +9406,7 @@ var global_env = new Environment({
         all equal.`),
     // ------------------------------------------------------------------
     '>': doc('>', function(...args) {
-        typecheck_args('>', args, 'number');
+        typecheck_numbers('>', args, ['bigint', 'float', 'rational']);
         return seq_compare((a, b) => LNumber(a).cmp(b) === 1, args);
     }, `(> x1 x2 x3 ...)
 
@@ -9422,7 +9414,7 @@ var global_env = new Environment({
         monotonically decreasing, i.e. x1 > x2 and x2 > x3 and so on.`),
     // ------------------------------------------------------------------
     '<': doc('<', function(...args) {
-        typecheck_args('<', args, 'number');
+        typecheck_numbers('<', args, ['bigint', 'float', 'rational']);
         return seq_compare((a, b) => LNumber(a).cmp(b) === -1, args);
     }, `(< x1 x2 ...)
 
@@ -9430,7 +9422,7 @@ var global_env = new Environment({
         monotonically increasing, i.e. x1 < x2 and x2 < x3 and so on.`),
     // ------------------------------------------------------------------
     '<=': doc('<=', function(...args) {
-        typecheck_args('<=', args, 'number');
+        typecheck_numbers('<=', args, ['bigint', 'float', 'rational']);
         return seq_compare((a, b) => [0, -1].includes(LNumber(a).cmp(b)), args);
     }, `(<= x1 x2 ...)
 
@@ -9438,7 +9430,7 @@ var global_env = new Environment({
         monotonically nondecreasing, i.e. x1 <= x2 and x2 <= x3 and so on.`),
     // ------------------------------------------------------------------
     '>=': doc('>=', function(...args) {
-        typecheck_args('>=', args, 'number');
+        typecheck_numbers('>=', args, ['bigint', 'float', 'rational']);
         return seq_compare((a, b) => [0, 1].includes(LNumber(a).cmp(b)), args);
     }, `(>= x1 x2 ...)
 
@@ -9747,11 +9739,22 @@ function typeErrorMessage(fn, got, expected, position = null) {
             expected = 'a' + ('aeiou'.includes(first) ? 'n ' : ' ') + expected[0];
         } else {
             const last = expected[expected.length - 1];
-            expected = expected.slice(0, -1).join(', ') + ' or ' + last;
+            expected = expected.slice(0, -1).join(', ') + ', or ' + last;
         }
     }
-    return `Expecting ${expected}, got ${got}${postfix}`;
+    return `Expecting ${expected} got ${got}${postfix}`;
+}
+
+// -------------------------------------------------------------------------
+function typecheck_numbers(fn, args, expected) {
+    args.forEach((arg, i) => {
+        typecheck(fn, arg, 'number', i + 1);
+        if (!expected.includes(arg.__type__)) {
+            throw new Error(typeErrorMessage(fn, arg.__type__, expected, i));
+        }
+    });
 }
+
 // -------------------------------------------------------------------------
 function typecheck_args(fn, args, expected) {
     args.forEach((arg, i) => {