1/* 2 * Copyright (c) 2023 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 function print(arg: any): string; 17 18function foo() { 19 let intArray: number[] = [1, 2, 3]; 20 print(intArray[0]); 21 22 let doubleArray: number[] = [1.1, 2.2, 3.3]; 23 print(doubleArray[1]); 24 25 let objectArray: object[] = [{}, {}, {}]; 26 print(objectArray[1]); 27 28 let holeyArray: (number | undefined | object)[] = [1, , {}]; 29 print(holeyArray[1]); 30} 31 32foo(); 33 34 35class C { 36 x: number; 37 constructor(v: number) { 38 this.x = v; 39 } 40} 41 42function testObject() { 43 let objArray: C[] = [new C(1), new C(2)]; 44 for (let i: number = 0; i < objArray.length; ++i) { 45 print(objArray[i].x); 46 } 47} 48 49testObject(); 50 51