Safe Haskell | Safe-Inferred |
---|---|
Language | Haskell2010 |
- newtype Object e m = Object {}
- transObject :: Monad n => (forall x. m x -> n x) -> Object e m -> Object e n
- adaptObject :: Monad m => (forall x. e x -> f x) -> Object f m -> Object e m
- echo :: Functor e => Object e e
- (.>>.) :: Monad n => Object e m -> Object m n -> Object e n
- oneshot :: (Functor e, Monad m) => (forall a. e (m a) -> m a) -> Object e m
- stateful :: (Functor e, Monad m) => (forall a. e (StateT s m a) -> StateT s m a) -> s -> Object (AccessT s e) m
- class Stateful s f where
- data AccessT s f a
- = Get (s -> a)
- | Put s a
- | LiftAccessT (f a)
- variable :: Monad m => s -> Object (AccessT s Zero) m
Documentation
transObject :: Monad n => (forall x. m x -> n x) -> Object e m -> Object e n Source
Change the workspace of the object.
adaptObject :: Monad m => (forall x. e x -> f x) -> Object f m -> Object e m Source
Apply a function to the messages coming into the object.
(.>>.) :: Monad n => Object e m -> Object m n -> Object e n Source
Compose two objects (aka Dependency Injection).
stateful :: (Functor e, Monad m) => (forall a. e (StateT s m a) -> StateT s m a) -> s -> Object (AccessT s e) m Source
Build a stateful object.
Inflicts external state accessibility to arbitrary effects.
Get (s -> a) | |
Put s a | |
LiftAccessT (f a) |