monad-ran-0.0.5: Implementations of common monads and monad transformers as right-kan extensions Source code Contents Index

Control.Monad.Ran.Maybe

Documentation

newtype Maybe' a Source

Constructors Maybe' getMaybe' :: forall o. (a -> o) -> o -> o Instances Monad Maybe' Functor Maybe' Applicative Maybe'

runMaybe' :: Maybe' a -> (a -> b) -> b -> b Source

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