| // Copyright (c) 2023, 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. |
| |
| // Implicit uses of `foo.T` were not being registered in the local closure's |
| // scope. The `await for` was then trying to lookup the `Foo.T` to register it |
| // as the type argument to Stream. But the lookup failed because it `Foo.T` |
| // wasn't registered. |
| |
| class A { |
| Future<void> foo<T>(Stream<T> Function() f) async { |
| await (() async { |
| await for (var v in f()) { |
| print(v); |
| } |
| }()); |
| } |
| } |
| |
| void main() { |
| A().foo<int>(() => Stream<int>.value(3)); |
| } |
