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.
55 lines
1.7 KiB
C++
55 lines
1.7 KiB
C++
/*=============================================================================
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Copyright (c) 2001-2011 Joel de Guzman
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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_ACCUMULATE_09172005_1032)
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#define FUSION_ACCUMULATE_09172005_1032
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#include <boost/fusion/support/config.hpp>
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#include <boost/fusion/algorithm/iteration/accumulate_fwd.hpp>
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#include <boost/fusion/algorithm/iteration/fold.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
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{
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struct void_;
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namespace result_of
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{
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template <typename Sequence, typename State, typename F>
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struct accumulate
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: result_of::fold<Sequence, State, F>
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{};
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}
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template <typename Sequence, typename State, typename F>
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BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
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inline typename
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lazy_enable_if<
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traits::is_sequence<Sequence>
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, result_of::accumulate<Sequence, State const, F>
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>::type
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accumulate(Sequence& seq, State const& state, F f)
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{
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return fusion::fold(seq, state, f);
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}
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template <typename Sequence, typename State, typename F>
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BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
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inline typename
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lazy_enable_if<
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traits::is_sequence<Sequence>
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, result_of::accumulate<Sequence const, State const, F>
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>::type
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accumulate(Sequence const& seq, State const& state, F f)
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{
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return fusion::fold(seq, state, f);
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}
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}}
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#endif
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