X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=Data%2FSTRef.hs;h=5002ee7fde742a459ae9ff28ca891e15572d46c7;hb=HEAD;hp=10853bea34caa8a0814820391435bf6356542721;hpb=2570f264ed329f04017d507250494eb0ab680d64;p=ghc-base.git

diff --git a/Data/STRef.hs b/Data/STRef.hs
index 10853be..5002ee7 100644
--- a/Data/STRef.hs
+++ b/Data/STRef.hs
@@ -1,3 +1,5 @@
+{-# LANGUAGE CPP #-}
+
 -----------------------------------------------------------------------------
 -- |
 -- Module      :  Data.STRef
@@ -13,12 +15,12 @@
 -----------------------------------------------------------------------------
 
 module Data.STRef (
-	-- * STRefs
-	STRef,		-- abstract, instance Eq
-	newSTRef,	-- :: a -> ST s (STRef s a)
-	readSTRef,	-- :: STRef s a -> ST s a
-	writeSTRef,	-- :: STRef s a -> a -> ST s ()
-	modifySTRef	-- :: STRef s a -> (a -> a) -> ST s ()
+        -- * STRefs
+        STRef,          -- abstract, instance Eq
+        newSTRef,       -- :: a -> ST s (STRef s a)
+        readSTRef,      -- :: STRef s a -> ST s a
+        writeSTRef,     -- :: STRef s a -> a -> ST s ()
+        modifySTRef     -- :: STRef s a -> (a -> a) -> ST s ()
  ) where
 
 import Prelude