feat(#201): remove empty lines and sparse decorations

src/main/eo/org/eolang/collections/hash-code-of.eo

@@ -66,9 +66,7 @@
               index.plus 1
               bytes
               zero-as-bytes
-
         0.as-bytes > zero-as-bytes!
-
         rec-hash-code > @
           1
           0

src/main/eo/org/eolang/collections/list.eo

@@ -347,7 +347,6 @@
   [i] > head
     i > index!
     0 > zero!
-
     switch > @
       *
         index.eq zero

src/main/eo/org/eolang/collections/map.eo

@@ -35,6 +35,7 @@
 #  or simplify them. Also we should remove rebuild method in multimap file
 [m] > map
   memory 0 > elements-amount
+  elements-amount > size
 
   # Returns list of all keys in multimap
   [] > keys
@@ -63,10 +64,6 @@
             x
             key
 
-  # Returns amount of elements in multimap
-  [] > size
-    elements-amount > @
-
   # Returns the new map with added object
   # Replaces if there was one before
   [key value] > with

src/main/eo/org/eolang/collections/multimap.eo

@@ -30,6 +30,7 @@
 
 [m] > multimap
   memory 0 > elements-amount
+  elements-amount > size
 
   # Returns list of all keys in multimap
   [] > keys
@@ -40,10 +41,6 @@
       [curr]
         curr.at 0 > @
 
-  # Returns amount of elements in multimap
-  [] > size
-    elements-amount > @
-
   [arr] > concat-all-arrays
     reduced. > @
       list

src/main/eo/org/eolang/collections/range.eo

@@ -47,18 +47,15 @@
     [acc current last] > append
       if. > @
         current.lt last
-        []
-          append > @
-            acc.with current
-            current.next
-            last
+        append
+          acc.with current
+          current.next
+          last
         acc
-
     if. > @
       start.lt end
       append
         * start
         start.next
         end
       *
-

src/main/eo/org/eolang/collections/set.eo

@@ -35,30 +35,29 @@
   if. > @!
     lst.is-empty
     lst
-    []
-      reduced. > @
-        at.
-          reducedi.
-            lst
-            *
-              map *
-              list *
-            [acc item index]
-              acc.at 0 > mp!
-              if. > @
-                not.
-                  eq.
-                    length.
-                      mp.found item
-                    0
-                acc
-                *
-                  mp.with item 1
-                  (acc.at 1).with index
-          1
-        list *
-        [acc index]
-          acc.with (lst.at index) > @
+    reduced.
+      at.
+        reducedi.
+          lst
+          *
+            map *
+            list *
+          [acc item index]
+            acc.at 0 > mp!
+            if. > @
+              not.
+                eq.
+                  length.
+                    mp.found item
+                  0
+              acc
+              *
+                mp.with item 1
+                (acc.at 1).with index
+        1
+      list *
+      [acc index]
+        acc.with (lst.at index) > @
 
   [x] > with
     set > @

src/test/eo/org/eolang/collections/range-tests.eo

@@ -81,12 +81,10 @@
       *
         (@.at 0).plus 1
         (@.at 1).plus 1
-
   range > rng!
     comparable-pair
       * 1 2
     * 5
-
   assert-that > @
     list rng
     $.equal-to