代码点火器从库内加载库?

/**
 * Class Loader
 *
 * This function lets users load and instantiate classes.
 * It is designed to be called from a user's app controllers.
 *
 * @access  public
 * @param   string  the name of the class
 * @param   mixed   the optional parameters
 * @param   string  an optional object name
 * @return  void
 */
function library($library = '', $params = NULL, $object_name = NULL)
{

$this->CI->[library name]

$this->CI->[newly loaded super awesome validator library]