/*
 * 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 each member of an enum is a constant
 * @compile-error
 * @author sgrekhov@unipro.ru
 */

enum E {a, b, c}

main() {
  E.a = E.b;
  E.b = E.c;
  E.c = E.a;
}