1/*
2 * [The "BSD licence"]
3 * Copyright (c) 2005-2008 Terence Parr
4 * All rights reserved.
5 *
6 * Conversion to C#:
7 * Copyright (c) 2008 Sam Harwell, Pixel Mine, Inc.
8 * All rights reserved.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 * 3. The name of the author may not be used to endorse or promote products
19 *    derived from this software without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 */
32
33using System;
34using System.Collections.Generic;
35#if DEBUG
36using System.Linq;
37#endif
38
39namespace Antlr.Runtime.JavaExtensions
40{
41    public static class SetExtensions
42    {
43#if DEBUG
44        [Obsolete]
45        public static bool add<T>( this HashSet<T> set, T item )
46        {
47            return set.Add( item );
48        }
49#endif
50
51        public static void addAll<T>( this HashSet<T> set, IEnumerable<T> items )
52        {
53            foreach ( T item in items )
54                set.Add( item );
55        }
56
57#if DEBUG
58        [Obsolete]
59        public static void clear<T>( this HashSet<T> set )
60        {
61            set.Clear();
62        }
63
64        [Obsolete]
65        public static bool contains<T>( this HashSet<T> set, T value )
66        {
67            return set.Contains( value );
68        }
69
70        [Obsolete]
71        public static bool remove<T>( this HashSet<T> set, T item )
72        {
73            return set.Remove( item );
74        }
75
76        [Obsolete]
77        public static int size<T>( this HashSet<T> set )
78        {
79            return set.Count;
80        }
81
82        [Obsolete]
83        public static T[] toArray<T>( this HashSet<T> set )
84        {
85            return set.ToArray();
86        }
87#endif
88    }
89}
90