refactored loop variable caching

test/test_comprehensions.coffee

@@ -45,55 +45,6 @@ ok 2 of evens
 # all/from/to aren't reserved.
 all = from = to = 1
 
-# Ensure that the closure wrapper preserves local variables.
-obj = {}
-
-for method in ['one', 'two', 'three']
-  obj[method] = ->
-    "I'm " + method
-
-ok obj.one()   is "I'm one"
-ok obj.two()   is "I'm two"
-ok obj.three() is "I'm three"
-
-i = 0
-for i in [1..3]
-  -> 'func'
-  break if false
-ok i is 3
-
-
-# Ensure that local variables are closed over for range comprehensions.
-funcs = for i from 1 to 3
-  -> -i
-
-ok (func() for func in funcs).join(' ') is '-1 -2 -3'
-ok i is 3
-
-
-# Ensure that closing over local variables doesn't break scoping laws.
-for i in [0]
-  count = 0
-  i = 50
-  ->
-ok count is 0
-ok i is 50
-
-for [a, b] in [[0, 1]] then ->
-ok a is 0
-ok b is 1
-
-
-# Even when referenced in the filter.
-list = ['one', 'two', 'three']
-
-methods = for num, i in list when num isnt 'two' and i isnt 1
-  -> num + ' ' + i
-
-ok methods.length is 2
-ok methods[0]() is 'one 0'
-ok methods[1]() is 'three 2'
-
 
 # Nested comprehensions.
 multiLiner =