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
16class Arr<T> {
17  every(fn: (v: T) => boolean): boolean {
18    return true;
19  }
20
21  flat(): Arr<Object | null> {
22    throw new Error();
23  }
24}
25
26function test(x: Arr<Object>): boolean {
27  return x.every((item: Object): boolean => {
28    return true;
29  })
30}
31