Moduleutility-ht-0.0.17.2Haskell98

Data.Either.HT

valuemapLeft :: (a -> b) -> Either a c -> Either b c

valuemapRight :: (b -> c) -> Either a b -> Either a c

valuemapBoth :: (a -> c) -> (b -> d) -> Either a b -> Either c d

valuemaybeLeft :: Either a b -> Maybe a

valuemaybeRight :: Either a b -> Maybe b

valueswap :: Either a b -> Either b a