/IronPython_Main/Languages/Ruby/Ruby/Runtime/ReferenceEqualityComparer.cs

# · C# · 35 lines · 16 code · 5 blank · 14 comment · 0 complexity · fe189bd2293fdb0c15f63597e5e06249 MD5 · raw file

  1. /* ****************************************************************************
  2. *
  3. * Copyright (c) Microsoft Corporation.
  4. *
  5. * This source code is subject to terms and conditions of the Apache License, Version 2.0. A
  6. * copy of the license can be found in the License.html file at the root of this distribution. If
  7. * you cannot locate the Apache License, Version 2.0, please send an email to
  8. * ironruby@microsoft.com. By using this source code in any fashion, you are agreeing to be bound
  9. * by the terms of the Apache License, Version 2.0.
  10. *
  11. * You must not remove this notice, or any other, from this software.
  12. *
  13. *
  14. * ***************************************************************************/
  15. using System;
  16. using System.Collections.Generic;
  17. using System.Runtime.CompilerServices;
  18. using System.Text;
  19. namespace IronRuby.Runtime {
  20. public class ReferenceEqualityComparer : IEqualityComparer<object> {
  21. private ReferenceEqualityComparer() {}
  22. public static readonly ReferenceEqualityComparer Instance = new ReferenceEqualityComparer();
  23. public new bool Equals(object x, object y) {
  24. return Object.ReferenceEquals(x, y);
  25. }
  26. public int GetHashCode(object obj) {
  27. return RuntimeHelpers.GetHashCode(obj);
  28. }
  29. }
  30. }