doubleDataCon, isDoubleTy,
isIntegerTy, voidTy
)
-import Unique ( Unique, hasKey, fromIntClassOpKey, fromIntegerClassOpKey )
+import PrelNames( Unique, hasKey, fromIntClassOpKey, fromIntegerClassOpKey )
import Maybe ( catMaybes )
import Util ( thenCmp, zipWithEqual, mapAccumL )
import Outputable