EmptyArray.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / WCF / WCF / 3.5.30729.1 / untmp / Orcas / SP / ndp / cdf / src / WCF / ServiceModel / System / ServiceModel / EmptyArray.cs / 1 / EmptyArray.cs
                        

                        
                            //------------------------------------------------------------------------------ 
// Copyright (c) Microsoft Corporation.  All rights reserved.
//-----------------------------------------------------------------------------

namespace System.ServiceModel 
{
    using System; 
    using System.Collections.Generic; 

    class EmptyArray 
    {
        static T[] instance;

        EmptyArray() 
        {
        } 
 
        internal static T[] Instance
        { 
            get
            {
                if (instance == null)
                    instance = new T[0]; 
                return instance;
            } 
        } 

        internal static T[] Allocate(int n) 
        {
            if (n == 0)
                return Instance;
            else 
                return new T[n];
        } 
 
        internal static T[] ToArray(IList collection)
        { 
            if (collection.Count == 0)
            {
                return EmptyArray.Instance;
            } 
            else
            { 
                T[] array = new T[collection.Count]; 
                collection.CopyTo(array, 0);
                return array; 
            }
        }

        internal static T[] ToArray(SynchronizedCollection collection) 
        {
            lock (collection.SyncRoot) 
            { 
                return EmptyArray.ToArray((IList)collection);
            } 
        }
    }

    class EmptyArray 
    {
        static object[] instance = new object[0]; 
 
        EmptyArray()
        { 
        }

        internal static object[] Instance
        { 
            get
            { 
                return instance; 
            }
        } 

        internal static object[] Allocate(int n)
        {
            if (n == 0) 
                return Instance;
            else 
                return new object[n]; 
        }
    } 
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.

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