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segmented_for_each.hpp
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/*============================================================================= Copyright (c) 2011 Eric Niebler Distributed under the Boost Software License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) ==============================================================================*/ #if !defined(BOOST_FUSION_SEGMENTED_FOR_EACH_HPP_INCLUDED) #define BOOST_FUSION_SEGMENTED_FOR_EACH_HPP_INCLUDED #include <boost/fusion/support/config.hpp> #include <boost/mpl/bool.hpp> #include <boost/fusion/support/void.hpp> #include <boost/fusion/algorithm/iteration/for_each_fwd.hpp> #include <boost/fusion/support/segmented_fold_until.hpp> namespace boost { namespace fusion { namespace detail { template <typename Fun> struct segmented_for_each_fun { BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED explicit segmented_for_each_fun(Fun& f) : fun(f) {} Fun& fun; template <typename Sequence, typename State, typename Context> struct apply { typedef void_ type; typedef mpl::true_ continue_type; BOOST_CXX14_CONSTEXPR BOOST_FUSION_GPU_ENABLED static type call(Sequence& seq, State const&, Context const&, segmented_for_each_fun const& fun) { fusion::for_each(seq, fun.fun); return void_(); } }; }; template <typename Sequence, typename F> BOOST_CXX14_CONSTEXPR BOOST_FUSION_GPU_ENABLED inline void for_each(Sequence& seq, F& f, mpl::true_) // segmented implementation { fusion::segmented_fold_until(seq, void_(), segmented_for_each_fun<F>(f)); } }}} #endif