X-Git-Url: http://git.megacz.com/?p=ghc-hetmet.git;a=blobdiff_plain;f=compiler%2FbasicTypes%2FNameSet.lhs;h=c46127cbcaf641e39055b9859ad5fd506bf4c0cf;hp=46bcee72ab7836b764e1b353ea5749b17df5e608;hb=f278f0676579f67075033a4f9857715909c4b71e;hpb=ef6e8211dee59eb7fa80a242391b89b52bd57f80

diff --git a/compiler/basicTypes/NameSet.lhs b/compiler/basicTypes/NameSet.lhs
index 46bcee7..c46127c 100644
--- a/compiler/basicTypes/NameSet.lhs
+++ b/compiler/basicTypes/NameSet.lhs
@@ -30,9 +30,13 @@ module NameSet (
     ) where
 
 #include "HsVersions.h"
+#include "Typeable.h"
 
 import Name
 import UniqSet
+import Util
+
+import Data.Data
 \end{code}
 
 %************************************************************************
@@ -44,6 +48,14 @@ import UniqSet
 \begin{code}
 type NameSet = UniqSet Name
 
+INSTANCE_TYPEABLE0(NameSet,nameSetTc,"NameSet")
+
+instance Data NameSet where
+  gfoldl k z s = z mkNameSet `k` nameSetToList s -- traverse abstractly
+  toConstr _   = abstractConstr "NameSet"
+  gunfold _ _  = error "gunfold"
+  dataTypeOf _ = mkNoRepType "NameSet"
+
 emptyNameSet	   :: NameSet
 unitNameSet	   :: Name -> NameSet
 addListToNameSet   :: NameSet -> [Name] -> NameSet