Created
August 17, 2012 15:14
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Ruby-Like select for Array
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| Array::select = (requestedElement) -> | |
| count = {} | |
| array = [] | |
| for element in this | |
| count[element] = (count[element] || 0) + 1 | |
| if count[requestedElement] | |
| for i in [1..count[requestedElement]] | |
| array.push(requestedElement) | |
| return array | |
| else | |
| return null |
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Note: Doesn't work for requesting an element's property in an array.