1 /*
2  * Copyright (C) 2022 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 package android.util;
18 
19 import java.util.Arrays;
20 import java.util.Collection;
21 import java.util.HashSet;
22 
23 /**
24  * A simple ArraySet implementation for the lint checker.
25  *
26  * <p>It's not array based, but for this simple purpose that doesn't matter.
27  *
28  * @param <E> the type of elements maintained by this set
29  */
30 public final class ArraySet<E> extends HashSet<E> {
ArraySet()31     public ArraySet() {
32         super();
33     }
34 
ArraySet(Collection<? extends E> c)35     public ArraySet(Collection<? extends E> c) {
36         super(c);
37     }
38 
ArraySet(E[] array)39     public ArraySet(E[] array) {
40         super(Arrays.stream(array).toList());
41     }
42 }
43