Created
June 13, 2017 18:35
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| fibonacci :: Integer -> Integer | |
| fibonacci 0 = 0 | |
| fibonacci 1 = 1 | |
| fibonacci n = fibohelper n 1 0 | |
| fibohelper 1 acc1 acc2 = acc1 | |
| fibohelper c acc1 acc2 = fibohelper (c - 1) (acc1 + acc2) acc1 |
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