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

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 * Copyright (c) Microsoft Corporation. 

 *

 * This source code is subject to terms and conditions of the Apache License, Version 2.0. A 

 * copy of the license can be found in the License.html file at the root of this distribution. If 

 * you cannot locate the  Apache License, Version 2.0, please send an email to 

 * ironruby@microsoft.com. By using this source code in any fashion, you are agreeing to be bound 

 * by the terms of the Apache License, Version 2.0.

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using System;

using System.Collections.Generic;

using System.Runtime.CompilerServices;

using System.Text;



namespace IronRuby.Runtime {

    public class ReferenceEqualityComparer : IEqualityComparer<object> {

        private ReferenceEqualityComparer() {}



        public static readonly ReferenceEqualityComparer Instance = new ReferenceEqualityComparer();



        public new bool Equals(object x, object y) {

            return Object.ReferenceEquals(x, y);

        }



        public int GetHashCode(object obj) {

            return RuntimeHelpers.GetHashCode(obj);

        }

    }

}