// Copyright (c) 2022, 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. | |
// Allow interface classes to be extended by multiple classes in the same | |
// library. | |
interface class InterfaceClass { | |
int foo = 0; | |
} | |
abstract class A extends InterfaceClass {} | |
class B extends InterfaceClass {} |