/*=============================================================================
    Copyright (c) 2001-2011 Joel de Guzman
    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_SINGLE_VIEW_BEGIN_IMPL_05052005_0305)
#define BOOST_FUSION_SINGLE_VIEW_BEGIN_IMPL_05052005_0305

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

namespace boost {
namespace fusion {
struct single_view_tag;

template <typename SingleView, typename Pos> struct single_view_iterator;

namespace extension {
template <typename Tag> struct begin_impl;

template <> struct begin_impl<single_view_tag> {
  template <typename Sequence> struct apply {
    typedef single_view_iterator<Sequence, mpl::int_<0>> type;

    BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED static type call(Sequence &seq) {
      return type(seq);
    }
  };
};
} // namespace extension
} // namespace fusion
} // namespace boost

#endif
