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 16class A{ 17 field1:int; 18 field2:int; 19 method1(){}; 20} 21 22function getProperty(obj: A, key: keyof A){} 23 24function main():void{ 25 let a = new A(); 26 getProperty(a, "field1"); 27 getProperty(a, "field2"); 28 getProperty(a, "method1"); 29} 30