uni-util-2.2.1.2: Utilities for the uniform workbench

Safe HaskellSafe-Infered

Util.IOExtras

Description

Little functions connected with IO

Documentation

catchEOF :: IO a -> IO (Maybe a)Source

catchAlreadyExists :: IO a -> IO (Maybe a)Source

catchDoesNotExist :: IO a -> IO (Maybe a)Source

catchErrorCalls :: IO a -> IO (Either ErrorCall a)Source

hGetLineR :: Read a => Handle -> IO aSource

simpleModifyIORef :: IORef a -> (a -> (a, b)) -> IO bSource