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/***************************************************************************
Triple.h - Template class for holding three elements
-------------------
begin : Feb 04 2001
copyright : (C) 2001 by Thomas Eschenbacher
email : Thomas Eschenbacher <thomas.eschenbacher@gmx.de>
***************************************************************************/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#ifndef _TRIPLE_H_
#define _TRIPLE_H_
#include "config.h"
template <class T1, class T2, class T3> class Triple
{
public:
/** Stupid default constructor (sometimes needed but should not) */
Triple()
:m_first(),
m_second(),
m_third()
{}
/** Constructor with initialization data */
Triple(const T1 &first, const T2 &second, const T3 &third)
:m_first(first),
m_second(second),
m_third(third)
{}
/** Copy constructor */
Triple(const Triple &copy)
:m_first(copy.first()),
m_second(copy.second()),
m_third(copy.third())
{}
/** Destructor */
virtual ~Triple() {}
/** assignment operator */
Triple<T1,T2,T3> &operator = (const Triple<T1,T2,T3> &t2) {
m_first = t2.first();
m_second = t2.second();
m_third = t2.third();
return *this;
}
/** compare operator */
inline bool operator==(const Triple<T1,T2,T3> &t2) {
return (
( m_first == t2.first() ) &&
( m_second == t2.second() ) &&
( m_third == t2.third() )
);
}
/** returns a reference to the firstelement */
inline const T1 &first() const { return m_first; }
/** returns a reference to the second element */
inline const T2 &second() const { return m_second; }
/** returns a reference to the third element */
inline const T3 &third() const { return m_third; }
private:
/** first element */
T1 m_first;
/** second element */
T2 m_second;
/** guess what... */
T3 m_third;
};
#endif /* _TRIPLE_H_ */