Chris@16: // Boost.Bimap
Chris@16: //
Chris@16: // Copyright (c) 2006-2007 Matias Capeletto
Chris@16: //
Chris@16: // Distributed under the Boost Software License, Version 1.0.
Chris@16: // (See accompanying file LICENSE_1_0.txt or copy at
Chris@16: // http://www.boost.org/LICENSE_1_0.txt)
Chris@16: 
Chris@16: /// \file detail/manage_bimap_key.hpp
Chris@16: /// \brief Utility class to manage the set types of a bimap.
Chris@16: 
Chris@16: #ifndef BOOST_BIMAP_DETAIL_MANAGE_BIMAP_KEY_HPP
Chris@16: #define BOOST_BIMAP_DETAIL_MANAGE_BIMAP_KEY_HPP
Chris@16: 
Chris@101: #if defined(_MSC_VER)
Chris@16: #pragma once
Chris@16: #endif
Chris@16: 
Chris@16: #include <boost/config.hpp>
Chris@16: 
Chris@16: #include <boost/mpl/eval_if.hpp>
Chris@16: #include <boost/mpl/identity.hpp>
Chris@16: 
Chris@16: #include <boost/bimap/detail/is_set_type_of.hpp>
Chris@16: 
Chris@16: #include <boost/bimap/set_of.hpp>
Chris@16: 
Chris@16: namespace boost {
Chris@16: namespace bimaps {
Chris@16: namespace detail {
Chris@16: 
Chris@16: /** \struct boost::bimaps::detail::manage_bimap_key
Chris@16: \brief Metafunction to manage the set types of a bimap.
Chris@16: 
Chris@16: \code
Chris@16: template< class Type >
Chris@16: struct manage_bimap_key
Chris@16: {
Chris@16:     typedef -SetType- type;
Chris@16: }
Chris@16: \endcode
Chris@16: 
Chris@16: See also bimap, bimap_core.
Chris@16:                                                                                 **/
Chris@16: 
Chris@16: #ifndef BOOST_BIMAP_DOXYGEN_WILL_NOT_PROCESS_THE_FOLLOWING_LINES
Chris@16: 
Chris@16: template< class Type >
Chris@16: struct manage_bimap_key
Chris@16: {
Chris@16: 
Chris@16: typedef BOOST_DEDUCED_TYPENAME
Chris@16: 
Chris@16:     mpl::eval_if< BOOST_DEDUCED_TYPENAME is_set_type_of< Type >::type,
Chris@16:     // {
Chris@16:             mpl::identity< Type >,
Chris@16:     // }
Chris@16:     // else
Chris@16:     // {
Chris@16:             // Default it to a set
Chris@16:             mpl::identity< set_of< Type > >
Chris@16:     // }
Chris@16: 
Chris@16:     >::type set_type;
Chris@16: 
Chris@16:     // Returns set_type and evaluate the concept_checked_type
Chris@16: 
Chris@16:     typedef BOOST_DEDUCED_TYPENAME mpl::if_c< true, set_type, 
Chris@16:         BOOST_DEDUCED_TYPENAME set_type::lazy_concept_checked::type
Chris@16:     >::type type;
Chris@16: };
Chris@16: 
Chris@16: 
Chris@16: 
Chris@16: #endif // BOOST_BIMAP_DOXYGEN_WILL_NOT_PROCESS_THE_FOLLOWING_LINES
Chris@16: 
Chris@16: } // namespace detail
Chris@16: } // namespace bimaps
Chris@16: } // namespace boost
Chris@16: 
Chris@16: 
Chris@16: #endif // BOOST_BIMAP_DETAIL_MANAGE_BIMAP_KEY_HPP
Chris@16: 
Chris@16: