haskeline-0.6.2.1: A command-line interface for user input, written in Haskell. Contents Index

System.Console.Haskeline.MonadException

Description

This module redefines some of the functions in Control.Exception.Extensible to work for more general monads than only IO.

Documentation

class MonadIO m => MonadException m where

Methods catch :: Exception e => m a -> (e -> m a) -> m a block :: m a -> m a unblock :: m a -> m a Instances MonadException IO MonadException m => MonadException (DumbTerm m) MonadException m => MonadException (InputT m) MonadException m => MonadException (ReaderT r m) MonadException m => MonadException (StateT s m)

handle :: (MonadException m, Exception e) => (e -> m a) -> m a -> m a

finally :: MonadException m => m a -> m b -> m a

throwIO :: (MonadIO m, Exception e) => e -> m a

throwTo :: (MonadIO m, Exception e) => ThreadId -> e -> m ()

bracket :: MonadException m => m a -> (a -> m b) -> (a -> m c) -> m c

throwDynIO :: (Exception exception, MonadIO m) => exception -> m a

handleDyn :: (Exception exception, MonadException m) => (exception -> m a) -> m a -> m a

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