1/* 2 * Copyright (c) 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 16function sum(...numbers: [number, number, number]): number { 17 return numbers[0] + numbers[1] + numbers[2] 18} 19 20function sum2(a: int, ...numbers: [number, number, number]): number { 21 return a + numbers[0] + numbers[1] + numbers[2] 22} 23 24function main() { 25 let tuple : [number, number, number] = [30, 40, 50] 26 let res = sum(10, 20, 30) 27 let res2 = sum2(10, 20, 30, 40) 28 29 let res3 = sum(...tuple) 30 let res4 = sum2(10, ...tuple) 31 32 let res5 = sum(...([30, 40, 50] as [number, number, number])) 33 let res6 = sum2(10, ...([30, 40, 50] as [number, number, number])) 34 35 assertEQ(res, 60) 36 assertEQ(res2, 100) 37 assertEQ(res3, 120) 38 assertEQ(res4, 130) 39 assertEQ(res5, 120) 40 assertEQ(res6, 130) 41} 42