haskeline-0.4: A command-line interface for user input, written in Haskell. Source code 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 Source

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

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

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

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

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

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

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

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

Exception (toException, fromException)

SomeException (SomeException)

IOException (IOError, ioe_handle, ioe_type, ioe_location, ioe_description, ioe_filename)

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