Network.Tremulous.StrictMaybe

Documentation

data Maybe a

Constructors

Nothing

Just !a

Instances

Monad Maybe

Functor Maybe

Eq a => Eq (Maybe a)

Ord a => Ord (Maybe a)

Read a => Read (Maybe a)

Show a => Show (Maybe a)

isJust :: Maybe a -> Bool

isNothing :: Maybe a -> Bool

fromMaybe :: a -> Maybe a -> a

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

whenJust :: Monad m => Maybe t -> (t -> m ()) -> m ()

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