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[SVN r40230]
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Joel de Guzman
2007-10-20 23:49:46 +00:00
parent 66cc9bbc28
commit 13b01b0bfe
474 changed files with 0 additions and 25526 deletions
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79
include/boost/fusion/algorithm/transformation/zip.hpp
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/*=============================================================================
Copyright (c) 2001-2006 Joel de Guzman
Copyright (c) 2006 Dan Marsden
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)
==============================================================================*/
#ifndef BOOST_PP_IS_ITERATING
#if !defined(FUSION_ZIP_HPP_20060125_2058)
#define FUSION_ZIP_HPP_20060125_2058
#include <boost/fusion/sequence/view/zip_view.hpp>
#include <boost/fusion/sequence/adapted/mpl.hpp>
#include <boost/fusion/sequence/container/vector.hpp>
#include <boost/fusion/sequence/conversion/as_vector.hpp>
#include <boost/type_traits/add_reference.hpp>
#include <boost/preprocessor/repetition/enum.hpp>
#include <boost/preprocessor/repetition/enum_params.hpp>
#include <boost/preprocessor/repetition/enum_binary_params.hpp>
#include <boost/preprocessor/arithmetic/inc.hpp>
#include <boost/preprocessor/iteration/iterate.hpp>
#include <boost/mpl/vector.hpp>
#include <boost/mpl/transform.hpp>
#include <boost/mpl/placeholders.hpp>
#if !defined(FUSION_MAX_ZIP_SEQUENCES)
#define FUSION_MAX_ZIP_SEQUENCES 10
#endif
namespace boost { namespace fusion {
struct void_;
namespace result_of
{
template<BOOST_PP_ENUM_PARAMS_WITH_A_DEFAULT(BOOST_PP_INC(FUSION_MAX_ZIP_SEQUENCES), typename T, fusion::void_)>
struct zip;
}
#define BOOST_PP_FILENAME_1 \
<boost/fusion/algorithm/transformation/zip.hpp>
#define BOOST_PP_ITERATION_LIMITS (2, FUSION_MAX_ZIP_SEQUENCES)
#include BOOST_PP_ITERATE()
}}
#endif
#else
#define ZIP_ITERATION BOOST_PP_ITERATION()
namespace result_of
{
template< BOOST_PP_ENUM_PARAMS(ZIP_ITERATION, typename T) >
struct zip< BOOST_PP_ENUM_PARAMS(ZIP_ITERATION, T) >
{
typedef mpl::vector< BOOST_PP_ENUM_PARAMS(ZIP_ITERATION, T) > sequences;
typedef typename mpl::transform<sequences, add_reference<mpl::_> >::type ref_params;
typedef zip_view<typename result_of::as_vector<ref_params>::type> type;
};
}
#define FUSION_REF_PARAM(z, n, data) const T ## n&
template<BOOST_PP_ENUM_PARAMS(ZIP_ITERATION, typename T)>
inline typename result_of::zip<BOOST_PP_ENUM_PARAMS(ZIP_ITERATION, const T)>::type
zip(BOOST_PP_ENUM_BINARY_PARAMS(ZIP_ITERATION, T, const& t))
{
fusion::vector<BOOST_PP_ENUM(ZIP_ITERATION, FUSION_REF_PARAM, _)> seqs(
BOOST_PP_ENUM_PARAMS(ZIP_ITERATION, t));
return typename result_of::zip<BOOST_PP_ENUM_PARAMS(ZIP_ITERATION, const T)>::type(
seqs);
}
#undef FUSION_REF_PARAM
#undef ZIP_ITERATION
#endif