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 16class B { 17 b_fld: number; 18} 19 20class A<T> { 21 fld: T | undefined; 22 fld2: Required<T>; 23 fld3: Required<T|undefined> 24} 25 26function main(): void { 27 let req_a: Required<A<B>> = {fld: new B(), fld2: {b_fld: 4}, fld3: {b_fld: 9}}; 28} 29