RosettaCodeData/Task/Fibonacci-sequence/CoffeeScript/fibonacci-sequence-2.coffee

fib_iter = (n) ->
    return n if n < 2
    [prev, curr] = [0, 1]
    [prev, curr] = [curr, curr + prev] for i in [1..n]
    curr
A-M baby 2013-04-10 21:29:02 -07:00			`fib_iter = (n) ->`
Just another update 2015-02-20 00:35:01 -05:00			`return n if n < 2`
			`[prev, curr] = [0, 1]`
			`[prev, curr] = [curr, curr + prev] for i in [1..n]`
			`curr`