boost/fusion/algorithm/iteration/detail/segmented_for_each.hpp
/*=============================================================================
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