Make IOEnv a MonadUnique

[ghc-hetmet.git] / compiler / typecheck / TcRnMonad.lhs

diff --git a/compiler/typecheck/TcRnMonad.lhs b/compiler/typecheck/TcRnMonad.lhs
index c861511..1f02518 100644 (file)
--- a/compiler/typecheck/TcRnMonad.lhs
+++ b/compiler/typecheck/TcRnMonad.lhs
@@ -324,6 +324,10 @@ newSysLocalIds :: FastString -> [TcType] -> TcRnIf gbl lcl [TcId]
 newSysLocalIds fs tys
   = do { us <- newUniqueSupply
        ; return (zipWith (mkSysLocal fs) (uniqsFromSupply us) tys) }
+
+instance MonadUnique (IOEnv (Env gbl lcl)) where
+        getUniqueM = newUnique
+        getUniqueSupplyM = newUniqueSupply
 \end{code}