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- /*=============================================================================
- Copyright (c) 2014-2015 Kohei Takahashi
- 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 FUSION_AS_SET_11062014_2121
- #define FUSION_AS_SET_11062014_2121
- #include <boost/fusion/support/config.hpp>
- #include <boost/fusion/container/set/set_fwd.hpp>
- ///////////////////////////////////////////////////////////////////////////////
- // Without variadics, we will use the PP version
- ///////////////////////////////////////////////////////////////////////////////
- #if !defined(BOOST_FUSION_HAS_VARIADIC_SET)
- # include <boost/fusion/container/set/detail/cpp03/as_set.hpp>
- #else
- ///////////////////////////////////////////////////////////////////////////////
- // C++11 interface
- ///////////////////////////////////////////////////////////////////////////////
- #include <boost/fusion/support/detail/index_sequence.hpp>
- #include <boost/fusion/container/set/set.hpp>
- #include <boost/fusion/iterator/value_of.hpp>
- #include <boost/fusion/iterator/deref.hpp>
- #include <boost/fusion/iterator/advance.hpp>
- #include <cstddef>
- namespace boost { namespace fusion { namespace detail
- {
- BOOST_FUSION_BARRIER_BEGIN
- template <int size
- , typename = typename detail::make_index_sequence<size>::type>
- struct as_set;
- template <int size, std::size_t ...Indices>
- struct as_set<size, detail::index_sequence<Indices...> >
- {
- template <typename I>
- struct apply
- {
- typedef set<
- typename result_of::value_of<
- typename result_of::advance_c<I, Indices>::type
- >::type...
- > type;
- };
- template <typename Iterator>
- BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
- static typename apply<Iterator>::type
- call(Iterator const& i)
- {
- typedef apply<Iterator> gen;
- typedef typename gen::type result;
- return result(*advance_c<Indices>(i)...);
- }
- };
- BOOST_FUSION_BARRIER_END
- }}}
- #endif
- #endif
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