Created
February 28, 2012 06:01
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Array random in CoffeeScript
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| Array::random = -> | |
| [t, l] = [@concat(), @length] | |
| while --l | |
| r = (Math.random() * (l + 1)) | 0 | |
| [t[r], t[l]] = [t[l], t[r]] | |
| return t | |
| Array::random2 = -> | |
| @sort -> Math.random() < 0.5 |
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