| // 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 or implement typedef sealed class |
| // outside of its library. |
| |
| import 'sealed_class_typedef_lib.dart'; |
| |
| class ATypeDef extends SealedClassTypeDef {} |
| // ^^^^^^^^^^^^^^^^^^ |
| // [analyzer] COMPILE_TIME_ERROR.INVALID_USE_OF_TYPE_OUTSIDE_LIBRARY |
| // [cfe] The class 'SealedClass' can't be extended, implemented, or mixed in outside of its library because it's a sealed class. |
| |
| class BTypeDef implements SealedClassTypeDef { |
| // ^^^^^^^^^^^^^^^^^^ |
| // [analyzer] COMPILE_TIME_ERROR.INVALID_USE_OF_TYPE_OUTSIDE_LIBRARY |
| // [cfe] The class 'SealedClass' can't be extended, implemented, or mixed in outside of its library because it's a sealed class. |
| int foo = 1; |
| } |