forked from boostorg/fusion
2114bfca6c
Note 1: Forwarding functions are specified as a C++14 constexpr since std::forward is not a constexpr within C++11. Note 2: Though I'm not sure why it doesn't compile, some declarations are specified as a C++14 constexpr or non-constexpr. Note 3: Boost.Tuple adaptation and TR1-based tuple implementations are not constexpr.
47 lines
1.2 KiB
C++
47 lines
1.2 KiB
C++
/*//////////////////////////////////////////////////////////////////////////////
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Copyright (c) 2013 Jamboree
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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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#ifndef BOOST_FUSION_ALGORITHM_FLATTEN_HPP_INCLUDED
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#define BOOST_FUSION_ALGORITHM_FLATTEN_HPP_INCLUDED
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#include <boost/fusion/view/flatten_view.hpp>
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#include <boost/fusion/support/is_sequence.hpp>
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#include <boost/utility/enable_if.hpp>
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namespace boost { namespace fusion { namespace result_of
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{
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template<typename Sequence>
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struct flatten
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{
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typedef flatten_view<Sequence> type;
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};
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}}}
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namespace boost { namespace fusion
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{
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template <typename Sequence>
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BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
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inline typename result_of::flatten<Sequence>::type
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flatten(Sequence& view)
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{
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return flatten_view<Sequence>(view);
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}
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template <typename Sequence>
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BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
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inline typename result_of::flatten<Sequence const>::type
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flatten(Sequence const& view)
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{
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return flatten_view<Sequence const>(view);
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}
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}}
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#endif
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