/*=============================================================================
    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>

#ifdef _MSC_VER
#  pragma warning(push)
#  pragma warning(disable: 4512) // assignment operator could not be generated.
#endif

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));
}
}
}
}

#ifdef _MSC_VER
#  pragma warning(pop)
#endif

#endif
