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Ingy döt Net 2013-04-10 23:57:08 -07:00
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commit b83f433714
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Task/Permutations/Haskell/permutations-2.hs Normal file
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import Data.List (delete)
permutations :: Eq a -> [a] -> [[a]]
permutations [] = [[]]
permutations xs = [ x:ys | x <- xs, ys <- permutations (delete x xs)]