| 1 | /*============================================================================= |
| 2 | Copyright (c) 2011 Eric Niebler |
| 3 | |
| 4 | Distributed under the Boost Software License, Version 1.0. (See accompanying |
| 5 | file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
| 6 | ==============================================================================*/ |
| 7 | #if !defined(BOOST_FUSION_SEGMENTED_FOR_EACH_HPP_INCLUDED) |
| 8 | #define BOOST_FUSION_SEGMENTED_FOR_EACH_HPP_INCLUDED |
| 9 | |
| 10 | #include <boost/fusion/support/config.hpp> |
| 11 | #include <boost/mpl/bool.hpp> |
| 12 | #include <boost/fusion/support/void.hpp> |
| 13 | #include <boost/fusion/algorithm/iteration/for_each_fwd.hpp> |
| 14 | #include <boost/fusion/support/segmented_fold_until.hpp> |
| 15 | |
| 16 | namespace boost { namespace fusion { namespace detail |
| 17 | { |
| 18 | template <typename Fun> |
| 19 | struct segmented_for_each_fun |
| 20 | { |
| 21 | BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED |
| 22 | explicit segmented_for_each_fun(Fun& f) |
| 23 | : fun(f) |
| 24 | {} |
| 25 | |
| 26 | Fun& fun; |
| 27 | |
| 28 | template <typename Sequence, typename State, typename Context> |
| 29 | struct apply |
| 30 | { |
| 31 | typedef void_ type; |
| 32 | typedef mpl::true_ continue_type; |
| 33 | |
| 34 | BOOST_CXX14_CONSTEXPR BOOST_FUSION_GPU_ENABLED |
| 35 | static type call(Sequence& seq, State const&, Context const&, segmented_for_each_fun const& fun) |
| 36 | { |
| 37 | fusion::for_each(seq, fun.fun); |
| 38 | return void_(); |
| 39 | } |
| 40 | }; |
| 41 | }; |
| 42 | |
| 43 | template <typename Sequence, typename F> |
| 44 | BOOST_CXX14_CONSTEXPR BOOST_FUSION_GPU_ENABLED |
| 45 | inline void |
| 46 | for_each(Sequence& seq, F& f, mpl::true_) // segmented implementation |
| 47 | { |
| 48 | fusion::segmented_fold_until(seq, void_(), segmented_for_each_fun<F>(f)); |
| 49 | } |
| 50 | }}} |
| 51 | |
| 52 | #endif |
| 53 | |