1/* 2 * Copyright (c) 2024 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 16type A<T> = T | Array<T> | Array<A<T>>; 17 18function main(): int { 19 let a: A<string> = "test"; 20 21 a = new Array<A<string>>(a, new Array<string>("test1", "test2"), new Array<A<string>>(a, new Array<A<string>>(a))) as A<string>; 22 23 assert((a as Array<A<string>>)[0] == "test"); 24 assert(((a as Array<A<string>>)[1] as Array<A<string>>)[0] == "test1"); 25 assert(((a as Array<A<string>>)[1] as Array<A<string>>)[1] == "test2"); 26 assert(((a as Array<A<string>>)[2] as Array<A<string>>)[0] == "test"); 27 assert((((a as Array<A<string>>)[2] as Array<A<string>>)[1] as Array<A<string>>)[0] == "test"); 28 29 return 0; 30}