// Copyright (c) 2018, 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 class B implements A { | |
factory B() = A; | |
} | |
test() { | |
new A(); | |
new B(); | |
} | |
main() {} |