fixing non-spaced function application.

lib/lexer.js

@@ -434,7 +434,7 @@
           tok[0] = 'PARAM';
         } else if (_a === ')') {
           tok[0] = 'PARAM_END';
-        } else if (_a === '(') {
+        } else if (_a === '(' || _a === 'CALL_START') {
           tok[0] = 'PARAM_START';
           return tok[0];
         }

src/lexer.coffee

@@ -315,9 +315,9 @@ exports.Lexer: class Lexer
       tok: @prev i
       return if not tok
       switch tok[0]
-        when 'IDENTIFIER' then tok[0]: 'PARAM'
-        when ')'          then tok[0]: 'PARAM_END'
-        when '('          then return tok[0]: 'PARAM_START'
+        when 'IDENTIFIER'       then tok[0]: 'PARAM'
+        when ')'                then tok[0]: 'PARAM_END'
+        when '(', 'CALL_START'  then return tok[0]: 'PARAM_START'
     true
 
   # Close up all remaining open blocks at the end of the file.

test/test_functions.coffee

@@ -76,6 +76,11 @@ fn: (arg) -> arg
 
 ok fn(fn {prop: 101}).prop is 101
 
+# Function calls sans-spacing.
+ok((fn(x) ->
+  3
+)() is 3)
+
 
 # Multi-blocks with optional parens.
 result: fn( ->