-{-# OPTIONS_GHC -fno-implicit-prelude #-}
+{-# LANGUAGE CPP, NoImplicitPrelude #-}
+
-----------------------------------------------------------------------------
-- |
-- Module : System.IO.Unsafe
module System.IO.Unsafe (
-- * Unsafe 'System.IO.IO' operations
- unsafePerformIO, -- :: IO a -> a
- unsafeInterleaveIO, -- :: IO a -> IO a
+ unsafePerformIO, -- :: IO a -> a
+ unsafeInterleaveIO, -- :: IO a -> IO a
) where
#ifdef __GLASGOW_HASKELL__
-import GHC.IOBase (unsafePerformIO, unsafeInterleaveIO)
+import GHC.IO (unsafePerformIO, unsafeInterleaveIO)
#endif
#ifdef __HUGS__
-import Hugs.IOExts (unsafePerformIO)
+import Hugs.IOExts (unsafePerformIO, unsafeInterleaveIO)
#endif
#ifdef __NHC__
-import NHC.Internal (unsafePerformIO)
+import NHC.Internal (unsafePerformIO, unsafeInterleaveIO)
#endif
-#ifndef __GLASGOW_HASKELL__
-unsafeInterleaveIO :: IO a -> IO a
-unsafeInterleaveIO f = return (unsafePerformIO f)
-#endif