/*============================================================================= | |
Copyright (c) 2006 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(FUSION_FOR_EACH_S_05022006_1027) | |
#define FUSION_FOR_EACH_S_05022006_1027 | |
#include <boost/mpl/assert.hpp> | |
#include <boost/utility/enable_if.hpp> | |
#include <boost/fusion/algorithm/iteration/for_each.hpp> | |
#include <boost/fusion/sequence/intrinsic/ext_/segments.hpp> | |
#include <boost/fusion/support/ext_/is_segmented.hpp> | |
// fwd declarations | |
namespace boost { namespace fusion | |
{ | |
template <typename Sequence, typename F> | |
void | |
for_each_s(Sequence& seq, F const& f); | |
template <typename Sequence, typename F> | |
void | |
for_each_s(Sequence const& seq, F const& f); | |
}} | |
namespace boost { namespace fusion { namespace detail | |
{ | |
template<typename F> | |
struct for_each_s_bind | |
{ | |
explicit for_each_s_bind(F const &f) | |
: f_(f) | |
{} | |
template<typename Sequence> | |
void operator ()(Sequence &seq) const | |
{ | |
fusion::for_each_s(seq, this->f_); | |
} | |
template<typename Sequence> | |
void operator ()(Sequence const &seq) const | |
{ | |
fusion::for_each_s(seq, this->f_); | |
} | |
private: | |
F const &f_; | |
}; | |
template<typename Sequence, typename F> | |
void for_each_s(Sequence &seq, F const &f, mpl::true_) | |
{ | |
fusion::for_each_s(fusion::segments(seq), for_each_s_bind<F>(f)); | |
} | |
template<typename Sequence, typename F> | |
void for_each_s(Sequence &seq, F const &f, mpl::false_) | |
{ | |
fusion::for_each(seq, f); | |
} | |
}}} | |
namespace boost { namespace fusion | |
{ | |
namespace result_of | |
{ | |
template <typename Sequence, typename F> | |
struct for_each_s | |
{ | |
typedef void type; | |
}; | |
} | |
template <typename Sequence, typename F> | |
inline void | |
for_each_s(Sequence& seq, F const& f) | |
{ | |
detail::for_each_s(seq, f, traits::is_segmented<Sequence>()); | |
} | |
template <typename Sequence, typename F> | |
inline void | |
for_each_s(Sequence const& seq, F const& f) | |
{ | |
detail::for_each_s(seq, f, traits::is_segmented<Sequence>()); | |
} | |
}} | |
#endif |