13af6ab5fSopenharmony_ci/* 23af6ab5fSopenharmony_ci * Copyright (c) 2024 Huawei Device Co., Ltd. 33af6ab5fSopenharmony_ci * Licensed under the Apache License, Version 2.0 (the "License"); 43af6ab5fSopenharmony_ci * you may not use this file except in compliance with the License. 53af6ab5fSopenharmony_ci * You may obtain a copy of the License at 63af6ab5fSopenharmony_ci * 73af6ab5fSopenharmony_ci * http://www.apache.org/licenses/LICENSE-2.0 83af6ab5fSopenharmony_ci * 93af6ab5fSopenharmony_ci * Unless required by applicable law or agreed to in writing, software 103af6ab5fSopenharmony_ci * distributed under the License is distributed on an "AS IS" BASIS, 113af6ab5fSopenharmony_ci * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 123af6ab5fSopenharmony_ci * See the License for the specific language governing permissions and 133af6ab5fSopenharmony_ci * limitations under the License. 143af6ab5fSopenharmony_ci */ 153af6ab5fSopenharmony_ci 163af6ab5fSopenharmony_ciclass A {} 173af6ab5fSopenharmony_ciclass B<T> {} 183af6ab5fSopenharmony_ci 193af6ab5fSopenharmony_cideclare type Nullable<T> = T | undefined; 203af6ab5fSopenharmony_citype MyType<T> = B<T> | undefined; 213af6ab5fSopenharmony_ci 223af6ab5fSopenharmony_ciclass C { 233af6ab5fSopenharmony_ci c: number; 243af6ab5fSopenharmony_ci} 253af6ab5fSopenharmony_ci 263af6ab5fSopenharmony_ci@Sendable 273af6ab5fSopenharmony_ciclass D { 283af6ab5fSopenharmony_ci a: Nullable<A>; // NOT OK 293af6ab5fSopenharmony_ci b: Nullable<C> = new C(); // NOT OK 303af6ab5fSopenharmony_ci c: Nullable<number> = 1; // OK 313af6ab5fSopenharmony_ci d: MyType<number>; // NOT OK 323af6ab5fSopenharmony_ci} 333af6ab5fSopenharmony_ci 343af6ab5fSopenharmony_cilet d = new D(); 35