| // Copyright (c) 2019, 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 The [&&] operator is now short-circuit in constant and potentially |
| /// constant expressions. It only attempts to evaluate the second operand if the |
| /// first operand evaluates to [true]. This makes [false && (null as |
| /// String).length] a valid constant expression. The second operand expression |
| /// still needs to be a potentially constant expression, which is a new use of |
| /// potentially constant expressions outside of [const] constructor initializer |
| /// lists. |
| /// @description Checks that compile error is thrown if the first [&&] operand is |
| /// [false] and the second one is not [bool] in the constant expression. |
| /// @author iarkh@unipro.ru |
| |
| |
| const nil = null; |
| |
| class MyClass { |
| final bool b; |
| const MyClass() : b = false && nil; |
| } |
| |
| main() { |
| const res = MyClass(); |
| } |
