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pt-mvr-base.h
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1997-08-20
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/*
Copyright (C) 1996 John W. Eaton
This file is part of Octave.
Octave 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, or (at your option) any
later version.
Octave 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 Octave; see the file COPYING. If not, write to the Free
Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#if !defined (octave_tree_mvr_h)
#define octave_tree_mvr_h 1
#if defined (__GNUG__)
#pragma interface
#endif
class octave_value;
class octave_value_list;
#include "pt-exp-base.h"
// A base class for objects that can be return multiple values
class
tree_multi_val_ret : public tree_expression
{
public:
tree_multi_val_ret (int l = -1, int c = -1) : tree_expression (l, c) { }
tree_multi_val_ret (int l = -1, int c = -1, tree_expression::type et)
: tree_expression (l, c, et) { }
~tree_multi_val_ret (void) { }
bool is_multi_val_ret_expression (void) const
{ return true; }
octave_value eval (bool print);
virtual octave_value_list eval (bool print, int nargout,
const octave_value_list& args) = 0;
};
#endif
/*
;;; Local Variables: ***
;;; mode: C++ ***
;;; End: ***
*/