// 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. | |
// @dart=2.9 | |
class A { | |
int get n => 1; | |
} | |
class B { | |
double get n => 2.0; | |
} | |
abstract class C implements A, B {} | |
abstract class D implements C {} | |
main() {} |