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 Cat { 17 name: string; 18 19 constructor(); 20 constructor(name: string); 21 constructor(name?: string) { 22 "use sendable" 23 this.name = name ?? 'Mi'; 24 } 25 26 static greet1(): string; 27 static greet1(msg?: string): string { 28 return msg? msg:'hello'; 29 } 30 31 greet2(): string; 32 greet2(msg?: string): string { 33 return msg? `${msg}${this.name}`:'hello Mi'; 34 } 35} 36 37const cat = new Cat('BoBo'); 38 39print(Cat.greet1()); 40print(Cat.greet1('hello cat')); 41print(cat.greet2()); 42print(cat.greet2('hello cat: '));