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Control.Monad.List Portability non-portable (multi-parameter type classes) Stability experimental Maintainer libraries@haskell.org

Description

The List monad.

Documentation

newtype ListT m a

Constructors ListT runListT :: (m [a]) Instances Monad m => Functor (ListT m) Monad m => Monad (ListT m) Monad m => MonadPlus (ListT m) MonadTrans ListT MonadIO m => MonadIO (ListT m) MonadReader s m => MonadReader s (ListT m) MonadState s m => MonadState s (ListT m) MonadCont m => MonadCont (ListT m) MonadError e m => MonadError e (ListT m)

mapListT :: (m [a] -> n [b]) -> ListT m a -> ListT n b

module Control.Monad

module Control.Monad.Trans

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