// 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. | |
class A extends B { | |
A({required super.field}); | |
} | |
class B { | |
final int field; | |
B.named({required int this.field}); | |
} | |
class C extends D { | |
C({required int super.field}); | |
} | |
class D { | |
final int field; | |
D.named({required this.field}); | |
} |