/*
  Label  -  a user visible Marker or Tag  

  Copyright (C)         Lumiera.org
    2008,               Hermann Vosseler <Ichthyostega@web.de>

  This program is free software; you can redistribute it and/or
  modify it under the terms of the GNU General Public License as
  published by the Free Software Foundation; either version 2 of
  the License, or (at your option) any later version.

  This program is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.

  You should have received a copy of the GNU General Public License
  along with this program; if not, write to the Free Software
  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

* *****************************************************/


#include "proc/mobject/session/label.hpp"
#include "lib/util.hpp"

using util::isnil;

namespace proc {
namespace mobject {
namespace session {
  
  
  /** @todo real validity self-check for Label MObject */
  bool
  Label::isValid()  const
  {
    return not isnil (typeID_);
  }
  
  
  
}}} // namespace proc::mobject::session
