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{-# OPTIONS -fno-implicit-prelude #-}
-----------------------------------------------------------------------------
-- |
-- Module : System.IO.Unsafe
-- Copyright : (c) The University of Glasgow 2001
-- License : BSD-style (see the file libraries/base/LICENSE)
--
-- Maintainer : libraries@haskell.org
-- Stability : provisional
-- Portability : portable
--
-- \"Unsafe\" IO operations.
--
-----------------------------------------------------------------------------
module System.IO.Unsafe (
-- * Unsafe 'IO' operations
unsafePerformIO, -- :: IO a -> a
unsafeInterleaveIO, -- :: IO a -> IO a
) where
#ifdef __GLASGOW_HASKELL__
import GHC.IOBase (unsafePerformIO, unsafeInterleaveIO)
#endif
#ifdef __HUGS__
import Hugs.IOExts (unsafePerformIO)
#endif
#ifdef __NHC__
import NHC.Internal (unsafePerformIO)
#endif
#ifndef __GLASGOW_HASKELL__
unsafeInterleaveIO :: IO a -> IO a
unsafeInterleaveIO f = return (unsafePerformIO f)
#endif
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