text: // 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
  
  
  