doctrine2/lib/Doctrine/Null.php

<?php
/* 
 *  $Id$
 *
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 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * This software consists of voluntary contributions made by many individuals
 * and is licensed under the LGPL. For more information, see
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 */
/**
 * Doctrine_Null
 *
 * Simple empty class representing a null value
 * used for extra fast null value testing with isset() rather than array_key_exists()
 * 
 * @package     Doctrine ORM
 * @url         www.phpdoctrine.com
 * @license     LGPL
 */
final class Doctrine_Null { }