netcore/System.Private.CoreLib/shared/System/Collections/IEqualityComparer.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     // An IEqualityComparer is a mechanism to consume custom performant comparison infrastructure
   8     // that can be consumed by some of the common collections.
   9     public interface IEqualityComparer
  10     {
  11         bool Equals(object? x, object? y);
  12         int GetHashCode(object obj);
  13     }
  14 }