src/mscorlib/src/System/Collections/IComparer.cs


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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.

/*============================================================
**
** Interface:  IComparer
** 
** 
**
**
** Purpose: Interface for comparing two Objects.
**
** 
===========================================================*/
namespace System.Collections {
    
    using System;
    // The IComparer interface implements a method that compares two objects. It is
    // used in conjunction with the Sort and BinarySearch methods on
    // the Array and List classes.
    // 
    // Interfaces are not serializable
    public interface IComparer {
        // Compares two objects. An implementation of this method must return a
        // value less than zero if x is less than y, zero if x is equal to y, or a
        // value greater than zero if x is greater than y.
        // 
        int Compare(Object x, Object y);
    }
}