-- Hoogle documentation, generated by Haddock
-- See Hoogle, http://www.haskell.org/hoogle/


-- | EitherT monad transformer
--   
--   Support for computations with informative failures.
@package EitherT
@version 0.0.1

module Control.Monad.Either
newtype EitherT l m a
EitherT :: m (Either l a) -> EitherT l m a
runEitherT :: EitherT l m a -> m (Either l a)
left :: (Monad m) => l -> EitherT l m a
instance (MonadIO m) => MonadIO (EitherT l m)
instance (Applicative f) => Applicative (EitherT l f)
instance (Functor f) => Functor (EitherT l f)
instance Monad (Either l)
instance Applicative (Either l)
instance MonadTrans (EitherT l)
instance (Monad m) => Monad (EitherT l m)