X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=System%2FMem%2FWeak.hs;h=62495fc3f4ee8a0f8b15420e0f362b8136c33cc4;hb=f7a485978f04e84b086f1974b88887cc72d832d0;hp=09c095dfc8198e4efee2299e30d0940f57069400;hpb=7f1f4e7a695c402ddd3a1dc2cc7114e649a78ebc;p=ghc-base.git

diff --git a/System/Mem/Weak.hs b/System/Mem/Weak.hs
index 09c095d..62495fc 100644
--- a/System/Mem/Weak.hs
+++ b/System/Mem/Weak.hs
@@ -1,15 +1,13 @@
 -----------------------------------------------------------------------------
--- 
+-- |
 -- Module      :  System.Mem.Weak
 -- Copyright   :  (c) The University of Glasgow 2001
--- License     :  BSD-style (see the file libraries/core/LICENSE)
+-- License     :  BSD-style (see the file libraries/base/LICENSE)
 -- 
 -- Maintainer  :  libraries@haskell.org
 -- Stability   :  experimental
 -- Portability :  non-portable
 --
--- $Id: Weak.hs,v 1.1 2001/06/28 14:15:04 simonmar Exp $
---
 -- Weak references, weak pairs, weak pointers, and finalizers.
 --
 -----------------------------------------------------------------------------
@@ -30,14 +28,16 @@ module System.Mem.Weak (
 
 import Prelude
 
-#include "Dynamic.h"
-INSTANCE_TYPEABLE0(Weak,weakTc,"Weak")
+import Data.Dynamic
 
 #ifdef __GLASGOW_HASKELL__
 import GHC.Base
 import GHC.IOBase
 import GHC.Weak
 
+#include "Dynamic.h"
+INSTANCE_TYPEABLE1(Weak,weakTc,"Weak")
+
 deRefWeak :: Weak v -> IO (Maybe v)
 deRefWeak (Weak w) = IO $ \s ->
    case deRefWeak# w s of
@@ -54,3 +54,4 @@ finalize (Weak w) = IO $ \s ->
 	(# s1, 0#, _ #) -> (# s1, () #)	-- already dead, or no finaliser
 	(# s1, _,  f #) -> f s1
 #endif
+