/*
  This file is part of LilyPond, the GNU music typesetter.

  Copyright (C) 1999--2020 Han-Wen Nienhuys <hanwen@xs4all.nl>

  LilyPond 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 3 of the License, or
  (at your option) any later version.

  LilyPond 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 LilyPond.  If not, see <http://www.gnu.org/licenses/>.
*/

#include "spanner.hh"
#include "paper-column.hh"

extern "C" {
  // thanks to GDBs wonderful casting abilities, we need these:
  Item *
  to_item (Grob *g)
  {
    return dynamic_cast<Item *> (g);
  }
  Spanner *
  to_spanner (Grob *g)
  {
    return dynamic_cast<Spanner *> (g);
  }

  Paper_column *
  to_pc (Grob *g)
  {
    return dynamic_cast<Paper_column *> (g);
  }
}
