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
16function foo1(p: Promise<Promise<string>>): void {
17    let result: string = await p;
18}
19
20function foo2(p: Promise<Promise<string>|number>): void {
21    let result: string|number = await p;
22}
23
24function foo3(p: Promise<Promise<string>|Promise<number>>): void {
25    let result: string|number = await p;
26}
27
28function foo4(p: Promise<null|Promise<string>>): void {
29    let result: null|string = await p;
30}
31
32type Alias = Promise<string>|number;
33function foo5(p: Promise<Alias>): void {
34    let result: string|number = await p;
35}
36