1/* 2 * Copyright (c) 2022-2025 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 16const empty = () => { }; 17 18const multiply = (x: number, y): number => { 19 return x * y; 20}; 21 22function createFunc(): () => number { 23 return () => { 24 return 100; 25}; 26} 27 28const foobar = (() => { 29 return 'get result immediately'; 30})(); 31 32(() => { 33 console.log('foo!'); 34})(); 35 36void (() => { 37 console.log('bar!'); 38})(); 39 40const array = [1, 2, 3, 4, 5, 6]; 41const double = array.map((e) => { 42 return e * 2; 43}); 44const even = array.filter((x) => { 45 return x % 2 === 0; 46}); 47 48const retTypeInfer = function (p: any) { 49 return p; 50}; 51 52const generator = function * () { 53 yield 1; 54}; 55 56const generic = <T, E>(t: T, e: E) => { 57 return t; 58}; 59 60const asyncFun = async () => { 61 console.log('baz!'); 62}; 63 64const factorial = function f(n: number): number { 65 return n == 1 ? 1 : n * f(n - 1); 66}; 67 68class C { 69 m() {} 70} 71const noRecursiveCall = (p: () => number): void => { 72 let a = factorial(3); 73 let b = p(); 74 let c = new C(); 75 c.m(); 76}; 77 78let iife = (() => { 79 console.log('called immediately'); 80})(); 81 82let indexAccess = (() => { 83 console.log('index access'); 84})[0]; 85 86void (() => { 87 console.log('void'); 88}); 89 90async function awaitFun() { 91 await (() => { 92 console.log('async'); 93}); 94} 95 96let typeofFunc = typeof (() => { 97 console.log('typeof'); 98}) 99 100class BindFuncExpr { 101 foo() { 102 let bar = ((p: boolean) => { 103 console.log('Function.bind(this)'); 104}).bind(this); 105 } 106} 107 108let callback = () => { console.log('callback'); } 109callback = callback || (() => { console.log('expr || function(){}'); }); 110 111let ternaryExpr = !!callback 112 ? (() => { console.log('ternary 1'); }) || 2 113 : 3 && (() => { console.log('ternary 2'); });