| // Copyright (c) 2011, 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 |
| |
| /// @assertion Evaluation of the is-expression e is T proceeds as follows: |
| /// The expression e is evaluated to a value v. |
| /// Then, if T is malformed or deferred type, a dynamic error occurs. |
| /// Otherwise, if the interface of the class of v is a subtype of T, the |
| /// is-expression evaluates to true. |
| /// Otherwise it evaluates to false. |
| /// @description Checks that null is Undeclared causes compile error. |
| /// @author msyabro |
| /// @reviewer kaigorodov |
| |
| |
| main() { |
| null is Undeclared; |
| // ^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| } |
