{-
(c) The University of Glasgow, 2000-2006
-}

{-# LANGUAGE CPP, MagicHash, UnboxedTuples #-}

module FastFunctions (
    inlinePerformIO,
  ) where

#include "GhclibHsVersions.h"

import GhcPrelude ()

import GHC.Exts
import GHC.IO   (IO(..))

-- Just like unsafeDupablePerformIO, but we inline it.
{-# INLINE inlinePerformIO #-}
inlinePerformIO :: IO a -> a
inlinePerformIO :: IO a -> a
inlinePerformIO (IO State# RealWorld -> (# State# RealWorld, a #)
m) = case State# RealWorld -> (# State# RealWorld, a #)
m State# RealWorld
realWorld# of (# State# RealWorld
_, a
r #)   -> a
r