tuple_as_pair.h

// Description: Tuple as a Pair
// Documentation: as_pair.txt

#ifndef PASTELSYS_TUPLE_AS_PAIR_H
#define PASTELSYS_TUPLE_AS_PAIR_H

#include "pastel/sys/as_pair_concept.h"

namespace Pastel
{

    class Tuple_As_Pair
    {
    public:
        template <typename Tuple>
        class ConceptMap
        {
        public:
            using Left = typename Tuple::value_type;
            using Right = typename Tuple::value_type;
            using Type = Tuple;

            Left& left(Type& that) const
            {
                return that[0];
            }

            const Left& left(const Type& that) const
            {
                return that[0];
            }

            Right& right(Type& that) const
            {
                return that[1];
            }

            const Right& right(const Type& that) const
            {
                return that[1];
            }            
        };
    };

}

#endif