1/*
2 * Copyright (c) 2022-2024 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 A {
17    static instantiate<T extends A>(factory: () => T, content: () => void): T {
18        const instance = factory()
19        instance.__initializeStruct()
20        content()
21        return instance
22    }
23    __initializeStruct(): A {
24        return this
25    }
26}
27    
28class B extends A {
29    constructor() {}
30    override __initializeStruct(): A {
31        return this
32    }
33}
34    
35export function main(): int {
36    console.println("Start")
37
38    B(){}
39
40    return 0;
41}
42