| // Copyright (c) 2020, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| abstract class A { |
| abstract int instanceField; // ok |
| |
| abstract final int finalInstanceField; // ok |
| |
| abstract covariant num covariantInstanceField; // ok |
| } |
| |
| mixin B { |
| abstract int instanceField; // ok |
| |
| abstract final int finalInstanceField; // ok |
| |
| abstract covariant num covariantInstanceField; // ok |
| } |
| |
| main() {} |