// Copyright (c) 2017, 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 {} | |
class B extends A { | |
B operator +(int i) => this; | |
} | |
class C { | |
B operator [](int i) => new B(); | |
void operator []=(int i, A value) {} | |
} | |
main() { | |
new C()[0] += 1; | |
} |