ReferenceEqualityComparer.cs

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// Copyright 2005-2015 Giacomo Stelluti Scala & Contributors. All rights reserved. See License.md in the project root for license information.
 
using System.Collections;
using System.Collections.Generic;
using System.Runtime.CompilerServices;
 
namespace CommandLine.Infrastructure
{
    internal sealed class ReferenceEqualityComparer : IEqualityComparer, IEqualityComparer<object>
    {
        public static readonly ReferenceEqualityComparer Default = new ReferenceEqualityComparer();
 
#region IEqualityComparer Members
 
        public new bool Equals(object x, object y)
        {
            return ReferenceEquals(x, y);
        }
 
        public int GetHashCode(object obj)
        {
            return RuntimeHelpers.GetHashCode(obj);
        }
 
#endregion
    }
}