1/* 2 * Copyright (c) 2023-2023 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 16function choose<T>(x: T, y: T): T { 17 return Math.random() < 0.5 ? x : y 18} 19 20let x = choose(10, 20) 21let y = choose("10", 20) 22 23function greet<T>(): T { 24 return "Hello" as T 25} 26let z = greet() 27 28let p = greet<string>()