| // Copyright (c) 2022, 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. |
| |
| // Error when attempting to extend typedef interface class outside of its |
| // library. |
| |
| import 'interface_class_typedef_lib.dart'; |
| |
| class ATypeDef extends InterfaceClassTypeDef {} |
| // ^^^^^^^^^^^^^^^^^^^^^ |
| // [analyzer] COMPILE_TIME_ERROR.INVALID_USE_OF_TYPE_OUTSIDE_LIBRARY |
| // [cfe] The class 'InterfaceClass' can't be extended outside of its library because it's an interface class. |
