Safe Haskell	Safe
Language	Haskell2010

Airship.RST

Documentation

newtype RST r s e m a Source #

Constructors

RST
Fields runRST :: r -> s -> m (Either e a, s)

Instances

MonadBase b m => MonadBase b (RST r s e m) Source #
Methods liftBase :: b α -> RST r s e m α #
MonadBaseControl b m => MonadBaseControl b (RST r s e m) Source #
Associated Types type StM (RST r s e m :: * -> ) a :: # Methods liftBaseWith :: (RunInBase (RST r s e m) b -> b a) -> RST r s e m a # restoreM :: StM (RST r s e m) a -> RST r s e m a #
Monad m => MonadReader r (RST r s e m) Source #
Methods ask :: RST r s e m r # local :: (r -> r) -> RST r s e m a -> RST r s e m a # reader :: (r -> a) -> RST r s e m a #
Monad m => MonadState s (RST r s e m) Source #
Methods get :: RST r s e m s # put :: s -> RST r s e m () # state :: (s -> (a, s)) -> RST r s e m a #
MonadTrans (RST r s e) Source #
Methods lift :: Monad m => m a -> RST r s e m a #
MonadTransControl (RST r s e) Source #
Associated Types type StT (RST r s e :: (* -> ) -> -> ) a :: # Methods liftWith :: Monad m => (Run (RST r s e) -> m a) -> RST r s e m a # restoreT :: Monad m => m (StT (RST r s e) a) -> RST r s e m a #
Monad m => Monad (RST r s e m) Source #
Methods (>>=) :: RST r s e m a -> (a -> RST r s e m b) -> RST r s e m b # (>>) :: RST r s e m a -> RST r s e m b -> RST r s e m b # return :: a -> RST r s e m a # fail :: String -> RST r s e m a #
Functor m => Functor (RST r s e m) Source #
Methods fmap :: (a -> b) -> RST r s e m a -> RST r s e m b # (<$) :: a -> RST r s e m b -> RST r s e m a #
Monad m => Applicative (RST r s e m) Source #
Methods pure :: a -> RST r s e m a # (<>) :: RST r s e m (a -> b) -> RST r s e m a -> RST r s e m b # (>) :: RST r s e m a -> RST r s e m b -> RST r s e m b # (<*) :: RST r s e m a -> RST r s e m b -> RST r s e m a #
MonadPlus m => MonadPlus (RST r s e m) Source #
Methods mzero :: RST r s e m a # mplus :: RST r s e m a -> RST r s e m a -> RST r s e m a #
MonadIO m => MonadIO (RST r s e m) Source #
Methods liftIO :: IO a -> RST r s e m a #
MonadPlus m => Alternative (RST r s e m) Source #
Methods empty :: RST r s e m a # (<\|>) :: RST r s e m a -> RST r s e m a -> RST r s e m a # some :: RST r s e m a -> RST r s e m [a] # many :: RST r s e m a -> RST r s e m [a] #
type StT (RST r s e) a Source #
type StT (RST r s e) a = (Either e a, s)
type StM (RST r s e m) a Source #
type StM (RST r s e m) a = ComposeSt (RST r s e) m a

evalRST :: Monad m => RST r s e m a -> r -> s -> m (Either e a) Source #

execRST :: Monad m => RST r s e m a -> r -> s -> m s Source #

mapRST :: (m (Either e a, s) -> n (Either e b, s)) -> RST r s e m a -> RST r s e n b Source #

withRST :: Monad m => (r' -> r) -> RST r s e m a -> RST r' s e m a Source #

failure :: Monad m => e -> RST r s e m a Source #