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- /*=============================================================================
- Copyright (c) 2001-2011 Joel de Guzman
- Copyright (c) 2005-2006 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)
- ==============================================================================*/
- #if !defined(FUSION_CONVERT_IMPL_09232005_1340)
- #define FUSION_CONVERT_IMPL_09232005_1340
- #include <boost/fusion/support/config.hpp>
- #include <boost/fusion/container/map/detail/cpp03/as_map.hpp>
- #include <boost/fusion/container/map/detail/cpp03/map.hpp>
- #include <boost/fusion/sequence/intrinsic/begin.hpp>
- #include <boost/fusion/sequence/intrinsic/size.hpp>
- namespace boost { namespace fusion
- {
- struct map_tag;
- namespace extension
- {
- template <typename T>
- struct convert_impl;
- template <>
- struct convert_impl<map_tag>
- {
- template <typename Sequence>
- struct apply
- {
- typedef typename
- detail::as_map<
- result_of::size<Sequence>::value
- , is_base_of<
- associative_tag
- , typename traits::category_of<Sequence>::type>::value
- >
- gen;
- typedef typename gen::
- template apply<typename result_of::begin<Sequence>::type>::type
- type;
- BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
- static type call(Sequence& seq)
- {
- return gen::call(fusion::begin(seq));
- }
- };
- };
- }
- }}
- #endif
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