/******************************************************************************** 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 QPAIR_H#define QPAIR_H#include <QtCore/qdatastream.h>QT_BEGIN_HEADERQT_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_DATASTREAMtemplate <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;}#endifQT_END_HEADER#endif // QPAIR_H