netcore/System.Private.CoreLib/shared/System/Collections/IHashCodeProvider.cs

   1 // Licensed to the .NET Foundation under one or more agreements.
   2 // The .NET Foundation licenses this file to you under the MIT license.
   3 // See the LICENSE file in the project root for more information.
   4
   5 namespace System.Collections
   6 {
   7     /// <summary>
   8     /// Provides a mechanism for a <see cref="Hashtable"/> user to override the default
   9     /// GetHashCode() function on Objects, providing their own hash function.
  10     /// </summary>
  11     [Obsolete("Please use IEqualityComparer instead.")]
  12     [System.Runtime.CompilerServices.TypeForwardedFrom("mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089")]
  13     public interface IHashCodeProvider
  14     {
  15         /// <summary>Returns a hash code for the given object.</summary>
  16         int GetHashCode(object obj);
  17     }
  18 }