GHC/Utils/Exception.hs

    {-# OPTIONS_GHC -fno-warn-deprecations #-}
    {-# LANGUAGE ConstraintKinds #-}

    module GHC.Utils.Exception
        (
        module Control.Exception,
        module GHC.Utils.Exception
        )
        where

    import GHC.Prelude

    import Control.Exception
    import Control.Exception as CE
    import Control.Monad.IO.Class
    import Control.Monad.Catch

    -- Monomorphised versions of exception-handling utilities
    catchIO :: IO a -> (IOException -> IO a) -> IO a
    catchIO = CE.catch

    handleIO :: (IOException -> IO a) -> IO a -> IO a
    handleIO = flip catchIO

    tryIO :: IO a -> IO (Either IOException a)
    tryIO = CE.try

    type ExceptionMonad m = (MonadCatch m, MonadThrow m, MonadMask m, MonadIO m)