NullReference.cs

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using System;
using System.Collections.Generic;
using System.Text;
 
namespace ScriptStack.Runtime
{
    internal class NullReference
    {
        #region Private Static Variables
 
        private static NullReference s_nullReference;
 
        #endregion
 
        #region Private Methods
 
        private NullReference()
        {
        }
 
        #endregion
 
        #region Public Methods
 
        public static NullReference Instance
        {
            get
            {
                if (s_nullReference == null)
                    s_nullReference = new NullReference();
                return s_nullReference;
            }
        }
 
        public override string ToString()
        {
            return "NULL";
        }
 
        #endregion
    }
}