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53 lines
1.7 KiB
53 lines
1.7 KiB
3 years ago
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/*=============================================================================
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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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#if !defined(BOOST_FUSION_SEGMENTED_FOR_EACH_HPP_INCLUDED)
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#define BOOST_FUSION_SEGMENTED_FOR_EACH_HPP_INCLUDED
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#include <boost/fusion/support/config.hpp>
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#include <boost/mpl/bool.hpp>
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#include <boost/fusion/support/void.hpp>
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#include <boost/fusion/algorithm/iteration/for_each_fwd.hpp>
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#include <boost/fusion/support/segmented_fold_until.hpp>
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namespace boost { namespace fusion { namespace detail
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{
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template <typename Fun>
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struct segmented_for_each_fun
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{
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BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
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explicit segmented_for_each_fun(Fun& f)
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: fun(f)
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{}
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Fun& fun;
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template <typename Sequence, typename State, typename Context>
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struct apply
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{
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typedef void_ type;
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typedef mpl::true_ continue_type;
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BOOST_CXX14_CONSTEXPR BOOST_FUSION_GPU_ENABLED
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static type call(Sequence& seq, State const&, Context const&, segmented_for_each_fun const& fun)
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{
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fusion::for_each(seq, fun.fun);
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return void_();
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}
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};
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};
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template <typename Sequence, typename F>
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BOOST_CXX14_CONSTEXPR BOOST_FUSION_GPU_ENABLED
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inline void
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for_each(Sequence& seq, F& f, mpl::true_) // segmented implementation
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{
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fusion::segmented_fold_until(seq, void_(), segmented_for_each_fun<F>(f));
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}
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}}}
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#endif
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