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
16declare class CIterator implements Iterator<string> {
17
18  private ind_: int;
19  private base_: C;
20
21  constructor (base: C)
22
23  override next(): IteratorResult<string>
24}
25
26declare class C {
27  private y: string[];
28
29  [Symbol.iterator](): CIterator
30}
31
32function main(): void {
33
34  let c = new C();
35  let i: int = 0;
36
37  for (let it of c) {
38    it += ": in for";
39
40    if (i == 0) {
41       assert(it == "one: in for");
42    } else if (i == 1) {
43       assert(it == "two: in for")
44    } else if (i == 2) {
45       assert(it == "three: in for")
46    } else {
47       assert(false);
48    }
49
50    ++i;
51  }
52}