yjtools-0.9.18: some tools for Monad, List, Tuple and so on.
Data.Function.Tools
const2 :: a -> b -> c -> aSource
const3 :: a -> b -> c -> d -> aSource
applyWhen :: Bool -> (a -> a) -> a -> aSource
applyUnless :: Bool -> (a -> a) -> a -> aSource
apply2way :: (a -> b -> c) -> (d -> a) -> (d -> b) -> d -> cSource