The Labs \ Source Viewer \ SSCLI \ System.Collections \ IEqualityComparer

  1. // ==++==
  2. //
  3. //
  4. // Copyright (c) 2006 Microsoft Corporation. All rights reserved.
  5. //
  6. // The use and distribution terms for this software are contained in the file
  7. // named license.txt, which can be found in the root of this distribution.
  8. // By using this software in any fashion, you are agreeing to be bound by the
  9. // terms of this license.
  10. //
  11. // You must not remove this notice, or any other, from this software.
  12. //
  13. //
  14. // ==--==
  15. /*============================================================
  16. **
  17. ** Interface:  IKeyComparer
  18. **
  19. **
  20. ** Purpose: A mechanism to expose a simplified infrastructure for
  21. **          Comparing objects in collections.
  22. **
  23. **
  24. ===========================================================*/
  25. namespace System.Collections
  26. {
  27.    
  28.     using System;
  29.     // An IEqualityComparer is a mechanism to consume custom performant comparison infrastructure
  30.     // that can be consumed by some of the common collections.
  31.     [System.Runtime.InteropServices.ComVisible(true)]
  32.     public interface IEqualityComparer
  33.     {
  34.         bool Equals(object x, object y);
  35.         int GetHashCode(object obj);
  36.     }
  37. }

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