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 Person {
17    name = 'John';
18    age = 28;
19    height = 178.3;
20}
21
22let map = new Map();
23map.set(0, 41);
24map.set('key', 'value');
25map.set('object', new Person());
26
27
28function PrintElems(v, k) {
29    print('k:', k, 'v:', JSON.stringify(v))
30}
31map.forEach(PrintElems);
32
33try {
34    let nonCallable = new Person();
35    map.forEach(nonCallable);
36} catch (error) {
37    print(error);
38}
39