[lexer,parser,spec] (myst-lang#96) Implement parsing for match expr…

…essions. `match` expressions essentially act as a syntax sugar for creating an anonymous function and immediately invoking it with some arguments.
faultyserver · Mar 17, 2018 · 1465152 · 1465152
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commit 1465152
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Showing 6 changed files with 869 additions and 8 deletions.
diff --git a/spec/syntax/lexer_spec.cr b/spec/syntax/lexer_spec.cr
@@ -12,7 +12,7 @@ STATIC_TOKENS = {
   Token::Type::SLASH        =>  "/",
   Token::Type::EQUAL        =>  "=",
   Token::Type::NOT          =>  "!",
-  Token::Type::MATCH        =>  "=:",
+  Token::Type::MATCH_OP     =>  "=:",
   Token::Type::LESS         =>  "<",
   Token::Type::LESSEQUAL    =>  "<=",
   Token::Type::EQUALEQUAL   =>  "==",
@@ -52,6 +52,7 @@ STATIC_TOKENS = {
   Token::Type::DEFSTATIC    =>  "defstatic",
   Token::Type::DEF          =>  "def",
   Token::Type::FN           =>  "fn",
+  Token::Type::MATCH        =>  "match",
   Token::Type::DO           =>  "do",
   Token::Type::UNLESS       =>  "unless",
   Token::Type::ELSE         =>  "else",