Qt Toolkit - qvaluestack.h include file

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# qvaluestack.h

This is the verbatim text of the qvaluestack.h include file. It is provided only for illustration; the copyright remains with Trolltech.

    /****************************************************************************
    ** $Id: qt/src/tools/qvaluestack.h   2.3.7   edited 2001-01-26 $
    **
    ** Definition of QValueStack class
    **
    ** Created : 990925
    **
    ** Copyright (C) 1992-2000 Trolltech AS.  All rights reserved.
    **
    ** This file is part of the tools module of the Qt GUI Toolkit.
    **
    ** This file may be distributed under the terms of the Q Public License
    ** as defined by Trolltech AS of Norway and appearing in the file
    ** LICENSE.QPL included in the packaging of this file.
    **
    ** This file may be distributed and/or modified under the terms of the
    ** GNU General Public License version 2 as published by the Free Software
    ** Foundation and appearing in the file LICENSE.GPL included in the
    ** packaging of this file.
    **
    ** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition
    ** licenses may use this file in accordance with the Qt Commercial License
    ** Agreement provided with the Software.
    **
    ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
    ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
    **
    ** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
    **   information about Qt Commercial License Agreements.
    ** See http://www.trolltech.com/qpl/ for QPL licensing information.
    ** See http://www.trolltech.com/gpl/ for GPL licensing information.
    **
    ** Contact info@trolltech.com if any conditions of this licensing are
    ** not clear to you.
    **
    **********************************************************************/

    #ifndef QVALUESTACK_H
    #define QVALUESTACK_H

    #ifndef QT_H
    #include "qvaluelist.h"
    #endif // QT_H

    template<class T>
    class Q_EXPORT QValueStack : public QValueList<T>
    {
    public:
        QValueStack() {}
       ~QValueStack() {}
        void  push( const T& d ) { append(d); }
        T pop()
        {
            T elem( this->last() );
            if ( !this->isEmpty() )
                remove( this->fromLast() );
            return elem;
        }
        T& top() { return this->last(); }
        const T& top() const { return this->last(); }
    };

    #endif