| // 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. | |
| // @dart = 2.7 | |
| bool f<T>(T a) => a is T; | |
| typedef bool F<R>(R a); | |
| method<S>() { | |
| return | |
| /*fields=[S],free=[S]*/ | |
| () { | |
| F<S> c = f; | |
| return c; | |
| }; | |
| } | |
| main() { | |
| method(); | |
| } |