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/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtCore module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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 Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 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 the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QPAIR_H
#define QPAIR_H
#include <QtCore/qdatastream.h>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(Core)
template <class T1, class T2>
struct QPair
{
typedef T1 first_type;
typedef T2 second_type;
QPair() : first(T1()), second(T2()) {}
QPair(const T1 &t1, const T2 &t2) : first(t1), second(t2) {}
QPair<T1, T2> &operator=(const QPair<T1, T2> &other)
{ first = other.first; second = other.second; return *this; }
T1 first;
T2 second;
};
template <class T1, class T2>
Q_INLINE_TEMPLATE bool operator==(const QPair<T1, T2> &p1, const QPair<T1, T2> &p2)
{ return p1.first == p2.first && p1.second == p2.second; }
template <class T1, class T2>
Q_INLINE_TEMPLATE bool operator!=(const QPair<T1, T2> &p1, const QPair<T1, T2> &p2)
{ return !(p1 == p2); }
template <class T1, class T2>
Q_INLINE_TEMPLATE bool operator<(const QPair<T1, T2> &p1, const QPair<T1, T2> &p2)
{
return p1.first < p2.first || (!(p2.first < p1.first) && p1.second < p2.second);
}
template <class T1, class T2>
Q_INLINE_TEMPLATE bool operator>(const QPair<T1, T2> &p1, const QPair<T1, T2> &p2)
{
return p2 < p1;
}
template <class T1, class T2>
Q_INLINE_TEMPLATE bool operator<=(const QPair<T1, T2> &p1, const QPair<T1, T2> &p2)
{
return !(p2 < p1);
}
template <class T1, class T2>
Q_INLINE_TEMPLATE bool operator>=(const QPair<T1, T2> &p1, const QPair<T1, T2> &p2)
{
return !(p1 < p2);
}
template <class T1, class T2>
Q_OUTOFLINE_TEMPLATE QPair<T1, T2> qMakePair(const T1 &x, const T2 &y)
{
return QPair<T1, T2>(x, y);
}
#ifndef QT_NO_DATASTREAM
template <class T1, class T2>
inline QDataStream& operator>>(QDataStream& s, QPair<T1, T2>& p)
{
s >> p.first >> p.second;
return s;
}
template <class T1, class T2>
inline QDataStream& operator<<(QDataStream& s, const QPair<T1, T2>& p)
{
s << p.first << p.second;
return s;
}
#endif
QT_END_NAMESPACE
QT_END_HEADER
#endif // QPAIR_H
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