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
16declare function print(arg:any):string;
17
18function foo(array, flag) {
19    array.length;
20    if (flag < 0) {
21        array[0]; // only Uint8Array type
22    } else {
23        array[0]; // only Array type
24    }
25}
26let a = new Uint8Array([1,2]);
27let a2 = [1,2,3];
28foo(a2, 1);
29foo(a, -1);
30print("run success");
31