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**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
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** This file is part of the QtCore module of the Qt Toolkit.
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** appearing in the file LICENSE.LGPL included in the packaging of this
** file. Please review the following information to ensure the GNU Lesser
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****************************************************************************/
#ifndef QSTACK_H
#define QSTACK_H
#include <QtCore/qvector.h>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(Core)
template<class T>
class QStack : public QVector<T>
{
public:
inline QStack() {}
inline ~QStack() {}
inline void swap(QStack<T> &other) { QVector<T>::swap(other); } // prevent QVector<->QStack swaps
inline void push(const T &t) { QVector<T>::append(t); }
T pop();
T &top();
const T &top() const;
};
template<class T>
inline T QStack<T>::pop()
{ Q_ASSERT(!this->isEmpty()); T t = this->data()[this->size() -1];
this->resize(this->size()-1); return t; }
template<class T>
inline T &QStack<T>::top()
{ Q_ASSERT(!this->isEmpty()); this->detach(); return this->data()[this->size()-1]; }
template<class T>
inline const T &QStack<T>::top() const
{ Q_ASSERT(!this->isEmpty()); return this->data()[this->size()-1]; }
QT_END_NAMESPACE
QT_END_HEADER
#endif // QSTACK_H
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