// 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. | |
const String valueClass = "valueClass"; | |
@valueClass | |
class A {} | |
class B {} | |
class C extends B with A {} // error, value class as mixin | |
class C extends A with B {} // error, C extends a value class | |
main() {} |