Control.Arrow.ArrowKleisli

The ArrowKleisli type class allows for embedding monadic operations in Kleisli arrows.

Documentation

class (Monad m, Arrow arr) => ArrowKleisli m arr | arr -> m where

Methods

arrM :: (a -> m b) -> a `arr` b

Instances

Monad m => ArrowKleisli m (Kleisli m)

Monad m => ArrowKleisli m (ListTArrow m)

Monad m => ArrowKleisli m (SeqTArrow m)

constM :: ArrowKleisli m arr => m b -> a `arr` b

effect :: ArrowKleisli m arr => m () -> a `arr` a

arrIO :: (MonadIO m, ArrowKleisli m arr) => (a -> IO b) -> a `arr` b