/*=============================================================================

    Copyright (c) 2001-2006 Joel de Guzman



    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_SINGLE_VIEW_05052005_0335)

#define FUSION_SINGLE_VIEW_05052005_0335



#include <boost/fusion/support/detail/access.hpp>

#include <boost/fusion/support/detail/as_fusion_element.hpp>

#include <boost/fusion/support/sequence_base.hpp>

#include <boost/fusion/view/single_view/single_view_iterator.hpp>

#include <boost/fusion/view/single_view/detail/begin_impl.hpp>

#include <boost/fusion/view/single_view/detail/end_impl.hpp>

#include <boost/mpl/bool.hpp>

#include <boost/mpl/int.hpp>



namespace boost { namespace fusion

{

    struct single_view_tag;

    struct forward_traversal_tag;

    struct fusion_sequence_tag;



    template <typename T>

    struct single_view : sequence_base<single_view<T> >

    {

        typedef single_view_tag fusion_tag;

        typedef fusion_sequence_tag tag; // this gets picked up by MPL

        typedef forward_traversal_tag category;

        typedef mpl::true_ is_view;

        typedef mpl::int_<1> size;

        typedef T value_type;



        single_view()

            : val() {}



        explicit single_view(typename detail::call_param<T>::type val)

            : val(val) {}



        value_type val;

    };

    

    template <typename T>

    inline single_view<typename detail::as_fusion_element<T>::type>

    make_single_view(T const& v)

    {

        return single_view<typename detail::as_fusion_element<T>::type>(v);

    }

}}



#endif





