// Boost.Bimap

//

// Copyright (c) 2006-2007 Matias Capeletto

//

// Distributed under the Boost Software License, Version 1.0.

// (See accompanying file LICENSE_1_0.txt or copy at

// http://www.boost.org/LICENSE_1_0.txt)



/// \file detail/manage_bimap_key.hpp

/// \brief Utility class to manage the set types of a bimap.



#ifndef BOOST_BIMAP_DETAIL_MANAGE_BIMAP_KEY_HPP

#define BOOST_BIMAP_DETAIL_MANAGE_BIMAP_KEY_HPP



#if defined(_MSC_VER) && (_MSC_VER>=1200)

#pragma once

#endif



#include <boost/config.hpp>



#include <boost/mpl/eval_if.hpp>

#include <boost/mpl/identity.hpp>



#include <boost/bimap/detail/is_set_type_of.hpp>



#include <boost/bimap/set_of.hpp>



namespace boost {

namespace bimaps {

namespace detail {



/** \struct boost::bimaps::detail::manage_bimap_key

\brief Metafunction to manage the set types of a bimap.



\code

template< class Type >

struct manage_bimap_key

{

    typedef -SetType- type;

}

\endcode



See also bimap, bimap_core.

                                                                                **/



#ifndef BOOST_BIMAP_DOXYGEN_WILL_NOT_PROCESS_THE_FOLLOWING_LINES



template< class Type >

struct manage_bimap_key

{



typedef BOOST_DEDUCED_TYPENAME



    mpl::eval_if< BOOST_DEDUCED_TYPENAME is_set_type_of< Type >::type,

    // {

            mpl::identity< Type >,

    // }

    // else

    // {

            // Default it to a set

            mpl::identity< set_of< Type > >

    // }



    >::type set_type;



    // Returns set_type and evaluate the concept_checked_type



    typedef BOOST_DEDUCED_TYPENAME mpl::if_c< true, set_type, 

        BOOST_DEDUCED_TYPENAME set_type::lazy_concept_checked::type

    >::type type;

};







#endif // BOOST_BIMAP_DOXYGEN_WILL_NOT_PROCESS_THE_FOLLOWING_LINES



} // namespace detail

} // namespace bimaps

} // namespace boost





#endif // BOOST_BIMAP_DETAIL_MANAGE_BIMAP_KEY_HPP





