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Stack.h
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C/C++ Source or Header
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1997-08-20
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2KB
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72 lines
/*
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.
*/
/*
The classes in this file are derived from the old `genclass' version
of Stack from libg++, originally:
Copyright (C) 1988 Free Software Foundation
written by Doug Lea (dl@rocky.oswego.edu)
and distributed under the terms of the GNU Library General Public
License as published by the Free Software Foundation.
*/
#if !defined (_Stack_h)
#define _Stack_h 1
#if defined (__GNUG__)
#pragma interface
#endif
template <class T>
class
Stack
{
public:
Stack (void) { }
virtual ~Stack (void) { }
virtual void push (const T& item) = 0;
virtual T pop (void) = 0;
virtual T& top (void) = 0;
virtual void del_top (void) = 0;
virtual int empty (void) = 0;
virtual int full (void) = 0;
virtual int length (void) = 0;
virtual void clear (void) = 0;
void error (const char *msg);
virtual int OK (void) = 0;
};
#endif