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- #if !defined(BOOST_PP_IS_ITERATING)
- ///// header body
- #ifndef BOOST_MPL_PLACEHOLDERS_HPP_INCLUDED
- #define BOOST_MPL_PLACEHOLDERS_HPP_INCLUDED
- // Copyright Aleksey Gurtovoy 2001-2004
- // Copyright Peter Dimov 2001-2003
- //
- // 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)
- //
- // See http://www.boost.org/libs/mpl for documentation.
- // $Id$
- // $Date$
- // $Revision$
- #if !defined(BOOST_MPL_PREPROCESSING_MODE)
- # include <boost/mpl/arg.hpp>
- # include <boost/mpl/aux_/adl_barrier.hpp>
- # if !defined(BOOST_MPL_CFG_NO_ADL_BARRIER_NAMESPACE)
- # define BOOST_MPL_AUX_ARG_ADL_BARRIER_DECL(type) \
- using ::BOOST_MPL_AUX_ADL_BARRIER_NAMESPACE::type; \
- /**/
- # else
- # define BOOST_MPL_AUX_ARG_ADL_BARRIER_DECL(type) /**/
- # endif
- #endif
- #include <boost/mpl/aux_/config/use_preprocessed.hpp>
- #if !defined(BOOST_MPL_CFG_NO_PREPROCESSED_HEADERS) \
- && !defined(BOOST_MPL_PREPROCESSING_MODE)
- # define BOOST_MPL_PREPROCESSED_HEADER placeholders.hpp
- # include <boost/mpl/aux_/include_preprocessed.hpp>
- #else
- # include <boost/mpl/aux_/nttp_decl.hpp>
- # include <boost/mpl/limits/arity.hpp>
- # include <boost/preprocessor/iterate.hpp>
- # include <boost/preprocessor/cat.hpp>
- // watch out for GNU gettext users, who #define _(x)
- #if !defined(_) || defined(BOOST_MPL_CFG_NO_UNNAMED_PLACEHOLDER_SUPPORT)
- BOOST_MPL_AUX_ADL_BARRIER_NAMESPACE_OPEN
- typedef arg<-1> _;
- BOOST_MPL_AUX_ADL_BARRIER_NAMESPACE_CLOSE
- namespace boost { namespace mpl {
- BOOST_MPL_AUX_ARG_ADL_BARRIER_DECL(_)
- namespace placeholders {
- using BOOST_MPL_AUX_ADL_BARRIER_NAMESPACE::_;
- }
- }}
- #endif
- /// agurt, 17/mar/02: one more placeholder for the last 'apply#'
- /// specialization
- #define BOOST_PP_ITERATION_PARAMS_1 \
- (3,(1, BOOST_MPL_LIMIT_METAFUNCTION_ARITY + 1, <boost/mpl/placeholders.hpp>))
- #include BOOST_PP_ITERATE()
- #endif // BOOST_MPL_CFG_NO_PREPROCESSED_HEADERS
- #endif // BOOST_MPL_PLACEHOLDERS_HPP_INCLUDED
- ///// iteration
- #else
- #define i_ BOOST_PP_FRAME_ITERATION(1)
- BOOST_MPL_AUX_ADL_BARRIER_NAMESPACE_OPEN
- typedef arg<i_> BOOST_PP_CAT(_,i_);
- BOOST_MPL_AUX_ADL_BARRIER_NAMESPACE_CLOSE
- namespace boost { namespace mpl {
- BOOST_MPL_AUX_ARG_ADL_BARRIER_DECL(BOOST_PP_CAT(_,i_))
- namespace placeholders {
- using BOOST_MPL_AUX_ADL_BARRIER_NAMESPACE::BOOST_PP_CAT(_,i_);
- }
- }}
- #undef i_
- #endif // BOOST_PP_IS_ITERATING
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