| // 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. | |
| import "package:expect/expect.dart"; | |
| class A { | |
| int Function(int) f; | |
| A(this.f); | |
| } | |
| main() { | |
| A a = A((x) => x + x); | |
| Expect.equals(a.f(2), 4); | |
| } |