Hydra.Lib.Optionals

Haskell implementations of hydraliboptionals primitives

Documentation

apply :: Maybe (a -> b) -> Maybe a -> Maybe b

bind :: Maybe a -> (a -> Maybe b) -> Maybe b

cat :: [Maybe a] -> [a]

compose :: (a -> Maybe b) -> (b -> Maybe c) -> a -> Maybe c

fromMaybe :: a -> Maybe a -> a

isJust :: Maybe a -> Bool

isNothing :: Maybe a -> Bool

map :: (a -> b) -> Maybe a -> Maybe b

maybe :: b -> (a -> b) -> Maybe a -> b

pure :: a -> Maybe a