reparse-coffeescript/examples/upgrades.coffee

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# Taken from https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/Reduce
if not Array::reduce?
Array::reduce = ->
accumulator = arguments[0]
ctr = 0
if typeof accumulator != 'function'
throw new TypeError "First argument is not callable"
curr = if arguments.length < 2
if @length == 0 then throw new TypeError "Array length is 0 and no second argument"
ctr = 1
@[0]
else
arguments[1]
for i in [ctr...@length]
curr = accumulator.call(undefined, curr, @[i], i, @)
curr