/*! @file pipair.h
 * @brief pair
 *
 * This file declare PIPair
*/
/*
	PIP - Platform Independent Primitives
	pair
	Ivan Pelipenko peri4ko@yandex.ru

	This program is free software: you can redistribute it and/or modify
	it under the terms of the GNU Lesser General Public License as published by
	the Free Software Foundation, either version 3 of the License, or
	(at your option) any later version.

	This program is distributed in the hope that it will be useful,
	but WITHOUT ANY WARRANTY; without even the implied warranty of
	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
	GNU Lesser General Public License for more details.

	You should have received a copy of the GNU Lesser General Public License
	along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

#ifndef PIPAIR_H
#define PIPAIR_H

#include "pibase.h"

class PICout;

template<typename Type0, typename Type1>
class PIPair {
public:
	PIPair() {first = Type0(); second = Type1();}
	PIPair(const Type0 & value0, const Type1 & value1) {first = value0; second = value1;}
	Type0 first;
	Type1 second;
};
template<typename Type0, typename Type1>
inline bool operator <(const PIPair<Type0, Type1> & value0, const PIPair<Type0, Type1> & value1) {return value0.first < value1.first;}
template<typename Type0, typename Type1>
inline bool operator ==(const PIPair<Type0, Type1> & value0, const PIPair<Type0, Type1> & value1) {return (value0.first == value1.first) && (value0.second == value1.second);}
template<typename Type0, typename Type1>
inline bool operator !=(const PIPair<Type0, Type1> & value0, const PIPair<Type0, Type1> & value1) {return (value0.first != value1.first) || (value0.second != value1.second);}

#ifdef PIP_STD_IOSTREAM
template<typename Type0, typename Type1>
inline std::ostream & operator <<(std::ostream & s, const PIPair<Type0, Type1> & v) {s << "(" << v.first << ", " << v.second << ")"; return s;}
#endif

template<typename Type0, typename Type1>
inline PICout operator <<(PICout s, const PIPair<Type0, Type1> & v) {s.space(); s.setControl(0, true); s << "(" << v.first << ", " << v.second << ")"; s.restoreControl(); return s;}

#endif // PIPAIR_H