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 low 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(a: int, ...numbers: [number, number, number]): number { 17 return numbers[0] + numbers[1] + numbers[2] 18} 19 20/* @@ label1 */sum() 21/* @@ label2 */sum(11) 22/* @@ label3 */sum(11,12,13) 23/* @@ label4 */sum(11,12,13,15,16) 24 25/* @@@ label1 Error TypeError: Expected 1 arguments, got 0. */ 26/* @@@ label1 Error TypeError: Expected 4 arguments, got 0. */ 27/* @@@ label1 Error TypeError: No matching call signature */ 28/* @@@ label2 Error TypeError: Expected 4 arguments, got 1. */ 29/* @@@ label2 Error TypeError: No matching call signature for sum(int) */ 30/* @@@ label3 Error TypeError: Expected 4 arguments, got 3. */ 31/* @@@ label3 Error TypeError: No matching call signature for sum(int, int, int) */ 32/* @@@ label4 Error TypeError: Expected 4 arguments, got 5. */ 33/* @@@ label4 Error TypeError: No matching call signature for sum(int, int, int, int, int) */ 34