| // Copyright (c) 2020, 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=2.9 | |
| class A<T> { | |
| factory A() = B; // Should infer B<T>. | |
| } | |
| class B<T> implements A<T> { | |
| B(); | |
| } | |
| main() {} |