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/*=============================================================================
Copyright (c) 2001-2006 Joel de Guzman
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_AS_VECTOR_09222005_0950)
#define FUSION_AS_VECTOR_09222005_0950
#include <boost/preprocessor/iterate.hpp>
#include <boost/preprocessor/repetition/enum_params.hpp>
#include <boost/preprocessor/repetition/enum_binary_params.hpp>
#include <boost/preprocessor/repetition/repeat.hpp>
#include <boost/preprocessor/cat.hpp>
#include <boost/preprocessor/inc.hpp>
#include <boost/preprocessor/dec.hpp>
#include <boost/fusion/container/vector/vector.hpp>
#include <boost/fusion/iterator/value_of.hpp>
#include <boost/fusion/iterator/deref.hpp>
#include <boost/fusion/iterator/next.hpp>
namespace boost { namespace fusion { namespace detail
{
template <int size>
struct as_vector;
template <>
struct as_vector<0>
{
template <typename Iterator>
struct apply
{
typedef vector0<> type;
};
template <typename Iterator>
static typename apply<Iterator>::type
call(Iterator)
{
return vector0<>();
}
};
#define BOOST_FUSION_NEXT_ITERATOR(z, n, data) \
typedef typename fusion::result_of::next<BOOST_PP_CAT(I, n)>::type \
BOOST_PP_CAT(I, BOOST_PP_INC(n));
#define BOOST_FUSION_NEXT_CALL_ITERATOR(z, n, data) \
typename gen::BOOST_PP_CAT(I, BOOST_PP_INC(n)) \
BOOST_PP_CAT(i, BOOST_PP_INC(n)) = fusion::next(BOOST_PP_CAT(i, n));
#define BOOST_FUSION_VALUE_OF_ITERATOR(z, n, data) \
typedef typename fusion::result_of::value_of<BOOST_PP_CAT(I, n)>::type \
BOOST_PP_CAT(T, n);
#define BOOST_PP_FILENAME_1 <boost/fusion/container/vector/detail/as_vector.hpp>
#define BOOST_PP_ITERATION_LIMITS (1, FUSION_MAX_VECTOR_SIZE)
#include BOOST_PP_ITERATE()
#undef BOOST_FUSION_NEXT_ITERATOR
#undef BOOST_FUSION_NEXT_CALL_ITERATOR
#undef BOOST_FUSION_VALUE_OF_ITERATOR
}}}
#endif
#else // defined(BOOST_PP_IS_ITERATING)
///////////////////////////////////////////////////////////////////////////////
//
// Preprocessor vertical repetition code
//
///////////////////////////////////////////////////////////////////////////////
#define N BOOST_PP_ITERATION()
template <>
struct as_vector<N>
{
template <typename I0>
struct apply
{
BOOST_PP_REPEAT(N, BOOST_FUSION_NEXT_ITERATOR, _)
BOOST_PP_REPEAT(N, BOOST_FUSION_VALUE_OF_ITERATOR, _)
typedef BOOST_PP_CAT(vector, N)<BOOST_PP_ENUM_PARAMS(N, T)> type;
};
template <typename Iterator>
static typename apply<Iterator>::type
call(Iterator const& i0)
{
typedef apply<Iterator> gen;
typedef typename gen::type result;
BOOST_PP_REPEAT(BOOST_PP_DEC(N), BOOST_FUSION_NEXT_CALL_ITERATOR, _)
return result(BOOST_PP_ENUM_PARAMS(N, *i));
}
};
#undef N
#endif // defined(BOOST_PP_IS_ITERATING)
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