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sjakobi/fib.hs

Created January 12, 2014 05:14
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fib.hs
fibs = 0 : 1 : zipWith (+) fibs (tail fibs)
zipWith' :: (a -> b -> c) -> [a] -> [b] -> [c]
zipWith' _ [] _ = []
zipWith' _ _ [] = []
zipWith' f (x:xs) (y:ys) = f x y : zipWith' f xs ys
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