forked from boostorg/mpl
83 lines
1.8 KiB
C++
83 lines
1.8 KiB
C++
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// NO INCLUDE GUARDS, THE HEADER IS INTENDED FOR MULTIPLE INCLUSION
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#if !defined(BOOST_PP_IS_ITERATING)
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// Copyright Aleksey Gurtovoy 2000-2004
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//
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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//
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// See http://www.boost.org/libs/mpl for documentation.
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// $Source$
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// $Date$
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// $Revision$
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#else
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#include <boost/mpl/aux_/config/typeof.hpp>
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#include <boost/preprocessor/enum_params.hpp>
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#include <boost/preprocessor/dec.hpp>
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#include <boost/preprocessor/cat.hpp>
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#define i_ BOOST_PP_FRAME_ITERATION(1)
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# define AUX778076_MAP_TAIL(map, i_, P) \
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BOOST_PP_CAT(map,i_)< \
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BOOST_PP_ENUM_PARAMS(i_, P) \
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> \
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/**/
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#if defined(BOOST_MPL_CFG_TYPEOF_BASED_SEQUENCES)
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template<
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BOOST_PP_ENUM_PARAMS(i_, typename P)
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>
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struct BOOST_PP_CAT(map,i_)
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: m_item<
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typename BOOST_PP_CAT(P,BOOST_PP_DEC(i_))::first
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, typename BOOST_PP_CAT(P,BOOST_PP_DEC(i_))::second
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, AUX778076_MAP_TAIL(map,BOOST_PP_DEC(i_),P)
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>
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{
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};
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#else // "brute force" implementation
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template< typename Map>
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struct m_at<Map,BOOST_PP_DEC(i_)>
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{
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typedef typename Map::BOOST_PP_CAT(item,BOOST_PP_DEC(i_)) type;
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};
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template< typename Key, typename T, typename Base >
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struct m_item<i_,Key,T,Base>
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: m_item_<Key,T,Base>
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{
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typedef pair<Key,T> BOOST_PP_CAT(item,BOOST_PP_DEC(i_));
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};
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template<
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BOOST_PP_ENUM_PARAMS(i_, typename P)
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>
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struct BOOST_PP_CAT(map,i_)
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: m_item<
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i_
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, typename BOOST_PP_CAT(P,BOOST_PP_DEC(i_))::first
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, typename BOOST_PP_CAT(P,BOOST_PP_DEC(i_))::second
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, AUX778076_MAP_TAIL(map,BOOST_PP_DEC(i_),P)
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>
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{
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};
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#endif // BOOST_MPL_CFG_TYPEOF_BASED_SEQUENCES
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# undef AUX778076_MAP_TAIL
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#undef i_
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#endif // BOOST_PP_IS_ITERATING
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