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/****************************************************************************
**
** Copyright (C) 2022 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtCore module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:COMM$
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** $QT_END_LICENSE$
**
**
**
**
**
**
**
**
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**
**
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**
******************************************************************************/
#ifndef QSTACK_H
#define QSTACK_H
#include <QtCore/qlist.h>
QT_BEGIN_NAMESPACE
template<class T>
class QStack : public QList<T>
{
public:
// compiler-generated special member functions are fine!
inline void swap(QStack<T> &other) noexcept { QList<T>::swap(other); } // prevent QList<->QStack swaps
inline void push(const T &t) { QList<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
#endif // QSTACK_H
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