doc/html/qpair-h.html


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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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<pre>
/****************************************************************************
**
** Definition of TQPair class
**
**
** Copyright (C) 1992-2007 Trolltech ASA.  All rights reserved.
**
** This file is part of the tools module of the TQt GUI Toolkit.
**
** This file may be used under the terms of the GNU General Public
** License versions 2.0 or 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Alternatively you may (at your option) use any
** later version of the GNU General Public License if such license has
** been publicly approved by Trolltech ASA (or its successors, if any)
** and the KDE Free TQt Foundation.
**
** Please review the following information to ensure GNU General
** Public Licensing retquirements will be met:
** http://trolltech.com/products/qt/licenses/licensing/opensource/.
** If you are unsure which license is appropriate for your use, please
** review the following information:
** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
** or contact the sales department at sales@trolltech.com.
**
** This file may be used under the terms of the Q Public License as
** defined by Trolltech ASA and appearing in the file LICENSE.TQPL
** included in the packaging of this file.  Licensees holding valid TQt
** Commercial licenses may use this file in accordance with the TQt
** Commercial License Agreement provided with the Software.
**
** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
** herein.
**
**********************************************************************/

#ifndef TQPAIR_H
#define TQPAIR_H

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

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

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

    TQPair&lt;T1, T2&gt;&amp; operator=(const TQPair&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 TQPair&lt;T1, T2&gt;&amp; x, const TQPair&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 TQPair&lt;T1, T2&gt;&amp; x, const TQPair&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 TQPair&lt;T1, T2&gt; qMakePair( const T1&amp; x, const T2&amp; y )
{
    return TQPair&lt;T1, T2&gt;( x, y );
}

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

#endif
</pre>
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