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<td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>qpair.h</h1>

<p>This is the verbatim text of the qpair.h include file. It is provided only for illustration; the copyright remains with Trolltech.
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/****************************************************************************
**
** Definition of QPair class
**
**
** Copyright (C) 1992-2007 Trolltech ASA.  All rights reserved.
**
** This file is part of the tools module of the Qt GUI Toolkit.
**
** This file may be distributed under the terms of the Q Public License
** as defined by Trolltech ASA of Norway and appearing in the file
** LICENSE.QPL included in the packaging of this file.
**
** This file may be distributed and/or modified under the terms of the
** GNU General Public License version 2 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.
**
** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition
** licenses may use this file in accordance with the Qt Commercial License
** Agreement provided with the Software.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
**   information about Qt Commercial License Agreements.
** See http://www.trolltech.com/qpl/ for QPL licensing information.
** See http://www.trolltech.com/gpl/ for GPL licensing information.
**
** Contact info@trolltech.com if any conditions of this licensing are
** not clear to you.
**
**********************************************************************/

#ifndef QPAIR_H
#define QPAIR_H

#ifndef QT_H
#include "qglobal.h"
#include "qdatastream.h"
#endif // QT_H

template &lt;class T1, class T2&gt;
struct QPair
{
    typedef T1 first_type;
    typedef T2 second_type;

    QPair()
	: first( T1() ), second( T2() )
    {}
    QPair( const T1&amp; t1, const T2&amp; t2 )
	: first( t1 ), second( t2 )
    {}

    QPair&lt;T1, T2&gt;&amp; operator=(const QPair&lt;T1, T2&gt;&amp; other)
    {
	if (this != &amp;other) {
	    first = other.first;
	    second = other.second;
	}
	return *this;
    }

    T1 first;
    T2 second;
};

template &lt;class T1, class T2&gt;
Q_INLINE_TEMPLATES bool operator==( const QPair&lt;T1, T2&gt;&amp; x, const QPair&lt;T1, T2&gt;&amp; y )
{
    return x.first == y.first &amp;&amp; x.second == y.second;
}

template &lt;class T1, class T2&gt;
Q_INLINE_TEMPLATES bool operator&lt;( const QPair&lt;T1, T2&gt;&amp; x, const QPair&lt;T1, T2&gt;&amp; y )
{
    return x.first &lt; y.first ||
	   ( !( y.first &lt; x.first ) &amp;&amp; x.second &lt; y.second );
}

template &lt;class T1, class T2&gt;
Q_INLINE_TEMPLATES QPair&lt;T1, T2&gt; qMakePair( const T1&amp; x, const T2&amp; y )
{
    return QPair&lt;T1, T2&gt;( x, y );
}

#ifndef QT_NO_DATASTREAM
template &lt;class T1, class T2&gt;
inline QDataStream&amp; operator&gt;&gt;( QDataStream&amp; s, QPair&lt;T1, T2&gt;&amp; p )
{
    s &gt;&gt; p.first &gt;&gt; p.second;
    return s;
}

template &lt;class T1, class T2&gt;
inline QDataStream&amp; operator&lt;&lt;( QDataStream&amp; s, const QPair&lt;T1, T2&gt;&amp; p )
{
    s &lt;&lt; p.first &lt;&lt; p.second;
    return s;
}
#endif

#endif
</pre>
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