X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=compiler%2FbasicTypes%2FVarSet.lhs;h=67a3dbf4c2eb3d08c62dde6ffa187b53fb1d3a85;hb=2378b2325df64a5ccc5b2e038ac3dbb848dea5f7;hp=812213d39696026aac837b8225673f08352af00e;hpb=7745c6095145f1be0ca8fff76ef558ca7ad2ebed;p=ghc-hetmet.git

diff --git a/compiler/basicTypes/VarSet.lhs b/compiler/basicTypes/VarSet.lhs
index 812213d..67a3dbf 100644
--- a/compiler/basicTypes/VarSet.lhs
+++ b/compiler/basicTypes/VarSet.lhs
@@ -1,11 +1,14 @@
 %
+% (c) The University of Glasgow 2006
 % (c) The GRASP/AQUA Project, Glasgow University, 1992-1998
 %
-\section{@VarSet@: Variable sets}
 
 \begin{code}
 module VarSet (
+        -- * Var, Id and TyVar set types
 	VarSet, IdSet, TyVarSet,
+	
+	-- ** Manipulating these sets
 	emptyVarSet, unitVarSet, mkVarSet,
 	extendVarSet, extendVarSetList, extendVarSet_C,
 	elemVarSet, varSetElems, subVarSet,
@@ -19,10 +22,9 @@ module VarSet (
 
 #include "HsVersions.h"
 
-import Var		( Var, Id, TyVar )
-import Unique		( Unique )
+import Var      ( Var, TyVar, Id )
+import Unique
 import UniqSet
-import UniqFM		( delFromUFM_Directly, addToUFM_C )
 \end{code}
 
 %************************************************************************
@@ -88,8 +90,8 @@ lookupVarSet	= lookupUniqSet
 mapVarSet	= mapUniqSet
 sizeVarSet	= sizeUniqSet
 filterVarSet	= filterUniqSet
-extendVarSet_C combine s x = addToUFM_C combine s x x
-delVarSetByKey	= delFromUFM_Directly	-- Can't be bothered to add this to UniqSet
+extendVarSet_C = addOneToUniqSet_C
+delVarSetByKey	= delOneFromUniqSet_Directly
 elemVarSetByKey	= elemUniqSet_Directly
 \end{code}