1 data Expr b ;
1 data CoreRule ;
-1 type CoreRules = [CoreRule] ;
+1 data CoreRules = Rules [CoreRule] VarSet.IdOrTyVarSet ;
1 emptyCoreRules :: CoreRules ;
1 seqRules :: CoreRules -> PrelBase.Z0T ;
1 isEmptyCoreRules :: CoreRules -> PrelBase.Bool ;