mirror of
https://github.com/jashkenas/coffeescript.git
synced 2022-11-09 12:23:24 -05:00
18 lines
617 B
CoffeeScript
18 lines
617 B
CoffeeScript
![]() |
# See http://wiki.ecmascript.org/doku.php?id=harmony:egal
|
||
|
egal = (a, b) ->
|
||
|
if a is b
|
||
|
a isnt 0 or 1/a is 1/b
|
||
|
else
|
||
|
a isnt a and b isnt b
|
||
|
|
||
|
# A recursive functional equivalence helper; uses egal for testing equivalence.
|
||
|
arrayEgal = (a, b) ->
|
||
|
if egal a, b then yes
|
||
|
else if a instanceof Array and b instanceof Array
|
||
|
return no unless a.length is b.length
|
||
|
return no for el, idx in a when not arrayEgal el, b[idx]
|
||
|
yes
|
||
|
|
||
|
exports.eq = (a, b, msg) -> ok egal(a, b), msg or "Expected #{a} to equal #{b}"
|
||
|
exports.arrayEq = (a, b, msg) -> ok arrayEgal(a,b), msg or "Expected #{a} to deep equal #{b}"
|