Gamgine.Control

Documentation

whenM :: Monad m => m Bool -> m () -> m ()

ifJust :: Monad m => Maybe a -> (a -> m ()) -> m ()

if a is just than apply f, otherwise 'return ()'

applyIf :: (a -> Bool) -> (a -> a) -> a -> a

apply f on a if p is true, otherwise just return a

applyIfM :: Monad m => (a -> Bool) -> (a -> m ()) -> a -> m ()

apply f on a if p is true, otherwise 'return ()'

(?) :: Bool -> a -> a -> a infixl 1