@@ -206,8 +206,12 @@ toHKD :: GHKD a => a -> HKD a Result
206toHKD = to . gmap @Top (Proxy @(TColumn Result)) id . from
206toHKD = to . gmap @Top (Proxy @(TColumn Result)) id . from
209data Top :: Type -> Exp Constraint
213data Top :: Type -> Exp Constraint
210−type instance Eval (Top _) = ()
214+type instance Eval (Top _) = Top_