/******************************************************************************** Copyright (C) 1992-2006 Trolltech ASA. All rights reserved.**** This file is part of the QtCore module of the Qt Toolkit.**** This file may be used under the terms of the GNU General Public** License version 2.0 as published by the Free Software Foundation** and appearing in the file LICENSE.GPL included in the packaging of** this file.  Please review the following information to ensure GNU** General Public Licensing requirements will be met:** http://www.trolltech.com/products/qt/opensource.html**** If you are unsure which license is appropriate for your use, please** review the following information:** http://www.trolltech.com/products/qt/licensing.html or contact the** sales department at sales@trolltech.com.**** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.******************************************************************************/#ifndef QQUEUE_H#define QQUEUE_H#include <QtCore/qlist.h>QT_BEGIN_HEADERQT_MODULE(Core)template <class T>class QQueue : public QList<T>{public:    inline QQueue() {}    inline ~QQueue() {}    inline void enqueue(const T &t) { QList<T>::append(t); }    inline T dequeue() { return QList<T>::takeFirst(); }    inline T &head() { return QList<T>::first(); }    inline const T &head() const { return QList<T>::first(); }};QT_END_HEADER#endif // QQUEUE_H