Chris@16: 
Chris@16: // NO INCLUDE GUARDS, THE HEADER IS INTENDED FOR MULTIPLE INCLUSION
Chris@16: 
Chris@16: #if !defined(BOOST_PP_IS_ITERATING)
Chris@16: 
Chris@16: // Copyright Aleksey Gurtovoy 2000-2004
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: // See http://www.boost.org/libs/mpl for documentation.
Chris@16: 
Chris@101: // $Id$
Chris@101: // $Date$
Chris@101: // $Revision$
Chris@16: 
Chris@16: #else
Chris@16: 
Chris@16: #include <boost/mpl/aux_/config/typeof.hpp>
Chris@16: #include <boost/mpl/aux_/config/ctps.hpp>
Chris@16: #include <boost/preprocessor/enum_params.hpp>
Chris@16: #include <boost/preprocessor/dec.hpp>
Chris@16: #include <boost/preprocessor/cat.hpp>
Chris@16: 
Chris@16: #define i_ BOOST_PP_FRAME_ITERATION(1)
Chris@16: 
Chris@16: #   define AUX778076_MAP_TAIL(map, i_, P) \
Chris@16:     BOOST_PP_CAT(map,i_)< \
Chris@16:           BOOST_PP_ENUM_PARAMS(i_, P) \
Chris@16:         > \
Chris@16:     /**/
Chris@16: 
Chris@16: 
Chris@16: #if defined(BOOST_MPL_CFG_TYPEOF_BASED_SEQUENCES)
Chris@16: 
Chris@16: template<
Chris@16:       BOOST_PP_ENUM_PARAMS(i_, typename P)
Chris@16:     >
Chris@16: struct BOOST_PP_CAT(map,i_)
Chris@16:     : m_item<
Chris@16:           typename BOOST_PP_CAT(P,BOOST_PP_DEC(i_))::first
Chris@16:         , typename BOOST_PP_CAT(P,BOOST_PP_DEC(i_))::second
Chris@16:         , AUX778076_MAP_TAIL(map,BOOST_PP_DEC(i_),P)
Chris@16:         >
Chris@16: {
Chris@16:     typedef BOOST_PP_CAT(map,i_) type;
Chris@16: };
Chris@16: 
Chris@16: #else // "brute force" implementation
Chris@16: 
Chris@16: #   if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)
Chris@16: 
Chris@16: template< typename Map>
Chris@16: struct m_at<Map,BOOST_PP_DEC(i_)>
Chris@16: {
Chris@16:     typedef typename Map::BOOST_PP_CAT(item,BOOST_PP_DEC(i_)) type;
Chris@16: };
Chris@16: 
Chris@16: template< typename Key, typename T, typename Base >
Chris@16: struct m_item<i_,Key,T,Base>
Chris@16:     : m_item_<Key,T,Base>
Chris@16: {
Chris@16:     typedef pair<Key,T> BOOST_PP_CAT(item,BOOST_PP_DEC(i_));
Chris@16: };
Chris@16: 
Chris@16: #   else
Chris@16: 
Chris@16: template<>
Chris@16: struct m_at_impl<BOOST_PP_DEC(i_)>
Chris@16: {
Chris@16:     template< typename Map > struct result_
Chris@16:     {
Chris@16:         typedef typename Map::BOOST_PP_CAT(item,BOOST_PP_DEC(i_)) type;
Chris@16:     };
Chris@16: };
Chris@16: 
Chris@16: template<>
Chris@16: struct m_item_impl<i_>
Chris@16: {
Chris@16:     template< typename Key, typename T, typename Base > struct result_
Chris@16:         : m_item_<Key,T,Base>
Chris@16:     {
Chris@16:         typedef pair<Key,T> BOOST_PP_CAT(item,BOOST_PP_DEC(i_));
Chris@16:     };
Chris@16: };
Chris@16: 
Chris@16: #   endif
Chris@16: 
Chris@16: template<
Chris@16:       BOOST_PP_ENUM_PARAMS(i_, typename P)
Chris@16:     >
Chris@16: struct BOOST_PP_CAT(map,i_)
Chris@16:     : m_item<
Chris@16:           i_
Chris@16:         , typename BOOST_PP_CAT(P,BOOST_PP_DEC(i_))::first
Chris@16:         , typename BOOST_PP_CAT(P,BOOST_PP_DEC(i_))::second
Chris@16:         , AUX778076_MAP_TAIL(map,BOOST_PP_DEC(i_),P)
Chris@16:         >
Chris@16: {
Chris@16:     typedef BOOST_PP_CAT(map,i_) type;
Chris@16: };
Chris@16: 
Chris@16: #endif // BOOST_MPL_CFG_TYPEOF_BASED_SEQUENCES
Chris@16: 
Chris@16: #   undef AUX778076_MAP_TAIL
Chris@16: 
Chris@16: #undef i_
Chris@16: 
Chris@16: #endif // BOOST_PP_IS_ITERATING