text: /*=============================================================================
      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
  
  
  