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/*=============================================================================
Copyright (c) 2009 Hartmut Kaiser
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(BOOST_FUSION_NVIEW_IMPL_SEP_23_2009_1017PM)
#define BOOST_FUSION_NVIEW_IMPL_SEP_23_2009_1017PM
#include <climits>
#include <boost/preprocessor/cat.hpp>
#include <boost/preprocessor/repeat.hpp>
#include <boost/preprocessor/iterate.hpp>
#include <boost/preprocessor/repetition/enum_params.hpp>
#include <boost/preprocessor/repetition/enum_binary_params.hpp>
#include <boost/preprocessor/repetition/enum_params_with_a_default.hpp>
#define BOOST_PP_ITERATION_PARAMS_1 \
(3, (1, FUSION_MAX_VECTOR_SIZE, \
"boost/fusion/view/nview/detail/nview_impl.hpp")) \
/**/
///////////////////////////////////////////////////////////////////////////////
namespace boost { namespace fusion { namespace result_of
{
template <typename Sequence
, BOOST_PP_ENUM_PARAMS_WITH_A_DEFAULT(FUSION_MAX_VECTOR_SIZE, int I, INT_MAX)>
struct as_nview
{
typedef mpl::vector_c<
int, BOOST_PP_ENUM_PARAMS(FUSION_MAX_VECTOR_SIZE, I)
> index_type;
typedef nview<Sequence, index_type> type;
};
}}}
#include BOOST_PP_ITERATE()
#endif
///////////////////////////////////////////////////////////////////////////////
// Preprocessor vertical repetition code
///////////////////////////////////////////////////////////////////////////////
#else // defined(BOOST_PP_IS_ITERATING)
#define N BOOST_PP_ITERATION()
#if N < FUSION_MAX_VECTOR_SIZE
namespace boost { namespace fusion { namespace result_of
{
template <typename Sequence, BOOST_PP_ENUM_PARAMS(N, int I)>
struct as_nview<Sequence, BOOST_PP_ENUM_PARAMS(N, I)>
{
typedef mpl::vector_c<int, BOOST_PP_ENUM_PARAMS(N, I)> index_type;
typedef nview<Sequence, index_type> type;
};
}}}
#endif
namespace boost { namespace fusion
{
template<BOOST_PP_ENUM_PARAMS(N, int I), typename Sequence>
BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
inline nview<Sequence, mpl::vector_c<int, BOOST_PP_ENUM_PARAMS(N, I)> >
as_nview(Sequence& s)
{
typedef mpl::vector_c<int, BOOST_PP_ENUM_PARAMS(N, I)> index_type;
return nview<Sequence, index_type>(s);
}
}}
#undef N
#endif
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