[don't duplicate class assumptions over alpha equivalance
John Meacham <john@repetae.net>**20060407131742] hunk ./FrontEnd/Class.hs 72
-import GenUtil(snub,concatInter)
+import GenUtil(snub,snubFst,concatInter)
hunk ./FrontEnd/Class.hs 154
-    classAssumps = snub $ classAssumps cra ++ classAssumps crb,
+    classAssumps = snubFst $ classAssumps cra ++ classAssumps crb,
hunk ./FrontEnd/Class.hs 556
-        _ -> error $ "sigFromClass: " ++ show methodSigs ++ " " ++ show  methodName
+        _ -> error $ "sigFromClass: " ++ pprint methodSigs ++ " " ++ show  methodName