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 16import assert = require('assert'); 17 18let fun1 = (a, b): number => { 19 return a + b; 20}; 21 22assert(fun1(1, 2) === 3, 'success'); 23 24let fun2 = a => a * a; 25 26assert(fun2(2) === 4, 'success'); 27 28function fun3(a, b, c = 3) { 29 return a + b + c; 30} 31 32assert(fun3(1, 2) === 6, 'success'); 33 34function fun4(a, b, ...args) { 35 let res = a + b; 36 args.forEach(function (value, index) { 37 res += value; 38 }); 39 40 return res; 41} 42 43assert(fun4(1, 2, 3, 4, 5) === 15, 'success'); 44