ntqpair.h Include File

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# ntqpair.h

This is the verbatim text of the ntqpair.h include file. It is provided only for illustration; the copyright remains with Trolltech.

    /****************************************************************************
    **
    ** 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 requirements 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 "ntqglobal.h"
    #include "ntqdatastream.h"
    #endif // QT_H

    template <class T1, class T2>
    struct TQPair
    {
        typedef T1 first_type;
        typedef T2 second_type;

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

        TQPair<T1, T2>& operator=(const TQPair<T1, T2>& other)
        {
    	if (this != &other) {
    	    first = other.first;
    	    second = other.second;
    	}
    	return *this;
        }

        T1 first;
        T2 second;
    };

    template <class T1, class T2>
    bool operator==( const TQPair<T1, T2>& x, const TQPair<T1, T2>& y )
    {
        return x.first == y.first && x.second == y.second;
    }

    template <class T1, class T2>
    bool operator<( const TQPair<T1, T2>& x, const TQPair<T1, T2>& y )
    {
        return x.first < y.first ||
    	   ( !( y.first < x.first ) && x.second < y.second );
    }

    template <class T1, class T2>
    TQPair<T1, T2> qMakePair( const T1& x, const T2& y )
    {
        return TQPair<T1, T2>( x, y );
    }

    #ifndef TQT_NO_DATASTREAM
    template <class T1, class T2>
    inline TQDataStream& operator>>( TQDataStream& s, TQPair<T1, T2>& p )
    {
        s >> p.first >> p.second;
        return s;
    }

    template <class T1, class T2>
    inline TQDataStream& operator<<( TQDataStream& s, const TQPair<T1, T2>& p )
    {
        s << p.first << p.second;
        return s;
    }
    #endif

    #endif