-- works for both value and type level expressions, so it can return a Var or
-- TyVar (which is just an alias for Var).
mkBinderFor :: CoreExpr -> String -> TransformMonad Var.Var
-- works for both value and type level expressions, so it can return a Var or
-- TyVar (which is just an alias for Var).
mkBinderFor :: CoreExpr -> String -> TransformMonad Var.Var