1/*
2 * Copyright (c) 2024 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16class Fgr {
17    readonly static BR = c'{'
18}
19
20class Sqr {
21    readonly static BR = c'['
22}
23
24function main() {
25    let a = c'['
26    switch (a) {
27        case Fgr.BR:
28            break;
29        case Sqr.BR:
30            break;
31        case c'?':
32            break;
33        default: break;
34    }
35}
36