/*=============================================================================
    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_IS_SEGMENTED_03202006_0015)
#define FUSION_IS_SEGMENTED_03202006_0015

#include <boost/fusion/support/config.hpp>
#include <boost/mpl/bool.hpp>
#include <boost/fusion/support/tag_of.hpp>

namespace boost {
namespace fusion {
// Special tags:
struct sequence_facade_tag;
struct iterator_range_tag;

namespace extension {
template <typename Tag>
struct is_segmented_impl
{
    template <typename Sequence>
    struct apply
        : mpl::false_
    {};
};

template <>
struct is_segmented_impl<sequence_facade_tag>
{
    template <typename Sequence>
    struct apply : Sequence::is_segmented {};
};

template <>
struct is_segmented_impl<iterator_range_tag>;
}

namespace traits {
template <typename Sequence>
struct is_segmented
    : mpl::bool_<
  (bool)extension::is_segmented_impl<typename traits::tag_of<Sequence>::type>::
  template apply<Sequence>::type::value
>
{
};
}
}
}

#endif
