1/* 2 * Copyright (c) 2024-2025 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 foo(...number: int[]): int { 17 return number[0] 18} 19 20let a = [1,, 2,] // OK 21foo(...a,) 22foo(a[0],) 23foo(a[0], a[1], ...a,) 24foo(a[0],,a[0]) 25foo(a[0],,) 26foo(,a[0]) 27foo(a[0] a[1]) 28foo(,) 29 30/* @@? 24:10 Error SyntaxError: Unexpected token ','. */ 31/* @@? 25:10 Error SyntaxError: Unexpected token ','. */ 32/* @@? 26:5 Error SyntaxError: Unexpected token ','. */ 33/* @@? 27:10 Error SyntaxError: Unexpected token, expected ',' or ')'. */ 34/* @@? 27:10 Error SyntaxError: Unexpected token 'a'. */ 35/* @@? 27:14 Error SyntaxError: Unexpected token ')'. */ 36/* @@? 28:5 Error SyntaxError: Unexpected token ','. */ 37