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 18function buildName(firstName: string, ...restOfName: string[]) { 19 return firstName + ' ' + restOfName.join(' '); 20} 21 22let employeeName = buildName('Joseph', 'Samuel', 'Lucas', 'MacKinzie'); 23 24assert(employeeName === 'Joseph Samuel Lucas MacKinzie', 'success'); 25 26let buildNameFun: (fname: string, ...rest: string[]) => string = buildName; 27 28assert(buildNameFun('Joseph', 'Samuel', 'Lucas') === 'Joseph Samuel Lucas', 'success');