| // 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. |
| |
| /// @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 [&&] throws error if the first operand of [&&] |
| /// operation is [true] and the second one is not valid in the potentially |
| /// constant expression. |
| /// @author iarkh@unipro.ru |
| |
| |
| class MyClass { |
| final bool b; |
| const MyClass(Object o) : b = true && ((o as int) < 23); |
| } |
| |
| main() { |
| const MyClass c1 = MyClass("testme"); |
| // ^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| |
| } |
