isUnboxedTupleCon, isNullaryDataCon, dataConId,
dataConWrapId, dataConRepArity
)
-import Id ( Id, idName, idPrimRep, idCafInfo )
-import IdInfo ( mayHaveCafRefs )
+import Id ( Id, idName, idPrimRep )
import Literal ( Literal(..) )
import PrelInfo ( maybeCharLikeCon, maybeIntLikeCon )
import PrimRep ( PrimRep(..), isFollowableRep )