| /* |
| * 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. |
| */ |
| /** |
| * @description Regression test for the Issue 34845 (see comments there: With |
| * that, we have [dynamic] == [FutureOr<dynamic>] == |
| * [FutureOr<FutureOr<dynamic>>] == ..., which makes cases 1–3 OK. So I think |
| * the analyzer is right here. Checks that [dynamic] == [FutureOr<dynamic>] == |
| * [FutureOr<FutureOr<dynamic>>] == ... |
| * @Issue 34845 |
| * @author iarkh@unipro.ru |
| */ |
| |
| import "dart:async"; |
| |
| typedef F<X> = void Function<Y extends X>(); |
| F<X> toF<X>(X x) => null; |
| |
| class A<X extends FutureOr<X>> {} |
| |
| main() { |
| A source; |
| var fsource = toF(source); |
| F<A<FutureOr<dynamic> >> target = fsource; |
| F<A<dynamic>> target1 = fsource; |
| F<A<FutureOr<FutureOr<dynamic>>>> target2 = fsource; |
| F<A<FutureOr<FutureOr<FutureOr<dynamic>>>>> target3 = fsource; |
| } |