Created
September 21, 2017 17:26
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haskell quickcheck
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| import Test.QuickCheck | |
| rev :: [a] -> [a] | |
| rev xs = rev' xs [] where | |
| rev' [] acc = acc | |
| rev' (x:xs) acc = rev' xs (x:acc) | |
| prop_revapp :: [Int] -> [Int] -> Bool | |
| prop_revapp xs ys = rev (xs++ys) == rev ys ++ rev xs | |
| main = quickCheck prop_revapp |
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