X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=compiler%2FbasicTypes%2FOccName.lhs;h=9ff53f13400af5a2b0cc9b81fe2e7e510d1a1a9b;hb=1971591f865ac0806802c476f23792ae2c89411a;hp=172c7097b3e714e8fa301803aa4a4b32a6495597;hpb=4623207393db41c970e713c326e9b54aa017dc3a;p=ghc-hetmet.git

diff --git a/compiler/basicTypes/OccName.lhs b/compiler/basicTypes/OccName.lhs
index 172c709..9ff53f1 100644
--- a/compiler/basicTypes/OccName.lhs
+++ b/compiler/basicTypes/OccName.lhs
@@ -92,6 +92,8 @@ module OccName (
 	startsVarSym, startsVarId, startsConSym, startsConId
     ) where
 
+#include "Typeable.h"
+
 import Util
 import Unique
 import BasicTypes
@@ -102,6 +104,7 @@ import Outputable
 import Binary
 import StaticFlags( opt_SuppressUniques )
 import Data.Char
+import Data.Data
 \end{code}
 
 \begin{code}
@@ -227,6 +230,14 @@ instance Ord OccName where
 	-- Compares lexicographically, *not* by Unique of the string
     compare (OccName sp1 s1) (OccName sp2 s2) 
 	= (s1  `compare` s2) `thenCmp` (sp1 `compare` sp2)
+
+INSTANCE_TYPEABLE0(OccName,occNameTc,"OccName")
+
+instance Data OccName where
+  -- don't traverse?
+  toConstr _   = abstractConstr "OccName"
+  gunfold _ _  = error "gunfold"
+  dataTypeOf _ = mkNoRepType "OccName"
 \end{code}