55 lines
1.8 KiB
Plaintext
55 lines
1.8 KiB
Plaintext
/*=============================================================================
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Copyright (c) 2001-2011 Joel de Guzman
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Copyright (c) 2005-2006 Dan Marsden
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Distributed under the Boost Software License, Version 1.0. (See accompanying
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file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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==============================================================================*/
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#if !defined(FUSION_CONVERT_IMPL_09232005_1340)
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#define FUSION_CONVERT_IMPL_09232005_1340
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#include <boost/fusion/support/config.hpp>
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#include <boost/fusion/container/map/detail/cpp03/as_map.hpp>
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#include <boost/fusion/container/map/detail/cpp03/map.hpp>
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#include <boost/fusion/sequence/intrinsic/begin.hpp>
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#include <boost/fusion/sequence/intrinsic/size.hpp>
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namespace boost { namespace fusion
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{
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struct map_tag;
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namespace extension
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{
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template <typename T>
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struct convert_impl;
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template <>
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struct convert_impl<map_tag>
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{
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template <typename Sequence>
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struct apply
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{
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typedef typename
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detail::as_map<
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result_of::size<Sequence>::value
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, is_base_of<
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associative_tag
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, typename traits::category_of<Sequence>::type>::value
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>
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gen;
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typedef typename gen::
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template apply<typename result_of::begin<Sequence>::type>::type
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type;
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BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
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static type call(Sequence& seq)
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{
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return gen::call(fusion::begin(seq));
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}
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};
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};
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}
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}}
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#endif
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