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source: trunk/sources/HeuristicLab.Common/3.3/ReferenceEqualityComparer.cs @ 7102

Last change on this file since 7102 was 6891, checked in by abeham, 13 years ago

#1619, #1628

  • reintegrated changes from branch
File size: 1.2 KB
RevLine 
[2790]1#region License Information
2/* HeuristicLab
[5445]3 * Copyright (C) 2002-2011 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
[2790]4 *
5 * This file is part of HeuristicLab.
6 *
7 * HeuristicLab is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation, either version 3 of the License, or
10 * (at your option) any later version.
11 *
12 * HeuristicLab is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
19 */
20#endregion
21
22using System.Collections.Generic;
23
24namespace HeuristicLab.Common {
[6891]25  public class ReferenceEqualityComparer : IEqualityComparer<object> {
26    bool IEqualityComparer<object>.Equals(object x, object y) {
[2790]27      return object.ReferenceEquals(x, y);
28    }
29
[6891]30    int IEqualityComparer<object>.GetHashCode(object obj) {
[2790]31      if (obj == null) return 0;
32      return obj.GetHashCode();
33    }
34  }
35}
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