forked from boostorg/fusion
c2abefbab8
This allows to use, e.g., boost::fusion::fold within constexpr functions. The BOOST_CONSTEXPR macro is used to declare functions constexpr.
57 lines
1.5 KiB
C++
57 lines
1.5 KiB
C++
/*=============================================================================
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Copyright (c) 2011 Eric Niebler
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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_ITERATION_FOLD_FWD_HPP
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#define BOOST_FUSION_ALGORITHM_ITERATION_FOLD_FWD_HPP
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namespace boost { namespace fusion
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{
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namespace result_of
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{
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template<typename Seq, typename State, typename F>
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struct fold;
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}
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template<typename Seq, typename State, typename F>
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BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
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typename result_of::fold<
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Seq
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, State const
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, F
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>::type
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fold(Seq& seq, State const& state, F f);
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template<typename Seq, typename State, typename F>
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BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
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typename result_of::fold<
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Seq const
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, State const
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, F
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>::type
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fold(Seq const& seq, State const& state, F f);
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template<typename Seq, typename State, typename F>
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BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
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typename result_of::fold<
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Seq
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, State const
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, F
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>::type
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fold(Seq& seq, State& state, F f);
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template<typename Seq, typename State, typename F>
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BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
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typename result_of::fold<
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Seq const
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, State const
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, F
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>::type
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fold(Seq const& seq, State& state, F f);
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}}
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#endif
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