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 16 import Foundation 17 18 class Animal { 19 public var name: String = "Animal"; 20 21 init() { 22 23 } 24 sayHellonull25 func sayHello() { 26 27 } 28 } 29 30 class Dog: Animal { 31 public var age: Int; 32 33 init(_ age: Int) { 34 self.age = age; 35 super.init(); 36 } 37 } 38 39 let dog = Dog(6); 40 41 var now = Date().timeIntervalSince1970; 42 for _ in 0..<1000000000 { 43 dog.sayHello(); 44 var age = dog.age; 45 var s = dog.name; 46 } 47 now = Date().timeIntervalSince1970 - now; 48 print(now); 49