/*=============================================================================
    Copyright (c) 2007 Tobias Schwinger

    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_REPETITIVE_VIEW_BEGIN_IMPL_HPP_INCLUDED)
#define BOOST_FUSION_REPETITIVE_VIEW_BEGIN_IMPL_HPP_INCLUDED

#include <boost/fusion/sequence/intrinsic/begin.hpp>
#include <boost/fusion/support/config.hpp>
#include <boost/fusion/view/repetitive_view/repetitive_view_fwd.hpp>

namespace boost {
namespace fusion {
struct repetitive_view_tag;

template <typename Sequence, typename Pos> struct repetitive_view_iterator;

namespace extension {
template <typename Tag> struct begin_impl;

template <> struct begin_impl<repetitive_view_tag> {
  template <typename View> struct apply {
    typedef typename View::sequence_type sequence_type;

    typedef repetitive_view_iterator<
        sequence_type, typename result_of::begin<sequence_type>::type>
        type;

    BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED static type call(View const &v) {
      return type(v.seq);
    }
  };
};

} // namespace extension

} // namespace fusion
} // namespace boost

#endif
