1/* 2 * Copyright (c) 2022-2025 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 16import { collections } from './@arkts.collections'; 17 18class DerivedFromArray extends Uint16Array { 19}; 20 21let arr1 = [1, 2, 3]; 22let arr2 = new Uint16Array([4, 5, 6]); 23let arr3 = new DerivedFromArray([7, 8, 9]); 24 25let arr4 = [...arr1, 10, ...arr2, 11, ...arr3]; 26 27const arr: collections.BitVector = new collections.BitVector(10); 28arr[0] = 1; 29const targetArr: number[] = [...arr]; 30