| // Copyright (c) 2015, 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 declaration of an enum of the form |
| /// metadata enum E { id 0 , . . . id n−1 }; |
| /// has the same effect as a class declaration |
| /// metadata class E { |
| /// final int index; |
| /// const E(this.index); |
| /// static const E id 0 = const E(0); |
| /// ... |
| /// static const E id n−1 = const E(n - 1); |
| /// static const List<E> values = const <E>[id 0 . . . id n−1 ]; |
| /// String toString() => { 0: ‘E.id 0 ’, . . ., n-1: ‘E.id n−1 ’}[index] |
| /// } |
| /// @description Checks that enum index value is final |
| /// @author sgrekhov@unipro.ru |
| |
| |
| enum E {a, b, c} |
| |
| main() { |
| E e = E.a; |
| e.index = -1; |
| // ^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| } |
