| // 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. | |
| /** | |
| * @assertion Duration difference(DateTime other) | |
| * Throws [Error] if [other] is [:null:]. | |
| * @description Checks that compile error appears if [other] is statically | |
| * [null]. | |
| * @author iarkh | |
| */ | |
| main() { | |
| DateTime.now().difference(null); | |
| // ^ | |
| // [analyzer] unspecified | |
| // [cfe] unspecified | |
| } |