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ryanflorence/Collection.coffee

Created September 30, 2012 03:03
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Sub-classing Array with CoffeeScript
Raw
Collection.coffee
class Collection extends Array
constructor: (items...) ->
@splice 0, 0, items...
sum: -> @reduce (sum, n) -> sum + n
Raw
test.coffee
c = new Collection 1, 2, 3
console.assert c[0], 1
c.reverse()
console.assert c[0], 3
sum = c.sum()
console.assert sum, 6
@ryankshaw
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class Collection extends Array

constructor: (items...) ->
@splice 0, 0, items...

sum: -> @reduce (sum, n) -> sum + n

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