| // 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 |
| |
| import 'package:expect/expect.dart'; |
| |
| method1() { |
| /*spec:nnbd-off.direct,explicit=[local.T],needsArgs,needsSignature*/ |
| /*prod:nnbd-off.needsSignature*/ |
| T local<T>(T t) => t; |
| return local; |
| } |
| |
| @pragma('dart2js:noInline') |
| test(o) => o is S Function<S>(S); |
| |
| main() { |
| Expect.isTrue(test(method1())); |
| } |