nullDereferencing.cs

public static class ObjectExtensions
    {
         /// <summary>
        /// Acts as a null dereference operator
        /// </summary>
        /// <typeparam name=”T”> Type of Object for null check</typeparam>
        /// <typeparam name=”TResult”> resulting type of the expression</typeparam>
        /// <param name=”item”> Object to check for null on </param>
        /// <param name=”deriver”> delegate to return result</param>
        /// <returns></returns>
        public static TResult NullSafe<T, TResult>( this T item, Func<T, TResult> deriver)
        {
            return Nullify(item, deriver, default(TResult));
        }
 
        public static TResult NullSafe<T, TResult>( this T item, Func<T, TResult> deriver, TResult defaultValue)
        {
            if (item == null)
                return defaultValue;
 
            return deriver(item);
        }
              
       }
       
       
       ***************************************************
       Usage:
         if( javascriptDeveloper.NullSafe(e=> e.Supervisor)
            .NullSafe(s => s.Manager)
            .NullSafe(p =>p.Boss)
            .NullSafe(q => q.Name))
               {
                    //do something with the address
                     Console.WriteLine(javascriptDeveloper.Supervisior.Manager.Boss.Name);
               }