1/* 2 * Copyright (c) 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 16interface I 17{ 18 name :string | undefined 19 numeric : boolean | undefined 20} 21 22export class C implements I 23{ 24 name : string | undefined = "name" 25 numeric : boolean | undefined = false 26} 27 28export interface I2 29{ 30 name :string | undefined 31 numeric : boolean | undefined 32} 33 34export class C2 implements I2 35{ 36 name : string | undefined = "name" 37 numeric : boolean | undefined = false 38} 39 40interface I3 41{ 42 name :string 43 numeric : boolean 44} 45 46export class C3 implements I3 47{ 48 name : string = "name" 49 numeric : boolean = false 50} 51 52export interface I4 53{ 54 name :string 55 numeric : boolean 56} 57 58export class C4 implements I4 59{ 60 name : string = "name" 61 numeric : boolean = false 62} 63 64function main(): void { 65 let x:C = new C(); 66 let x2:C2 = new C2(); 67 let x3:C3 = new C3(); 68 let x4:C4 = new C4(); 69} 70