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SLStack.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.
*/
/*
The classes in this file are derived from the old `genclass' version
of SLStack 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 (_SLStack_h)
#define _SLStack_h 1
#if defined (__GNUG__)
#pragma interface
#endif
#include "SLList.h"
#include "Stack.h"
template <class T>
class
SLStack : public Stack<T>
{
private:
SLList<T> p;
public:
SLStack (void) : p () { }
SLStack (const SLStack<T>& s) : p (s.p) { }
~SLStack (void) { }
SLStack<T>& operator = (const SLStack<T>& s);
void push (const T& item) { p.prepend (item); }
T pop (void) { return p.remove_front (); }
T& top (void) { return p.front (); }
void del_top (void) { p.del_front (); }
int empty (void) { return p.empty (); }
int full (void) { return 0; }
int length (void) { return p.length (); }
void clear (void) { p.clear (); }
int OK (void) { return p.OK (); }
};
#endif
/*
;;; Local Variables: ***
;;; mode: C++ ***
;;; End: ***
*/