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chris-martin/case2.hs

Last active January 16, 2018 14:53
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case2.hs
{-# LANGUAGE LambdaCase2 #-}
intToBool :: Int -> Maybe Bool
boolToInt :: Bool -> Int
(boolToInt, intToBool) =
\case2
False -> 0
True -> 1
data YN = Yes | No
ynToBool :: YN -> Bool
boolToYN :: Bool -> YN
(ynToBool, boolToYN) =
\case2
No <-> False
Yes <-> True
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