#ifndef INDIRECT_REFERENCE_DWA200415_HPP

 # define INDIRECT_REFERENCE_DWA200415_HPP

 //

 // Copyright David Abrahams 2004. Use, modification and distribution is

 // subject to 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)

 //

 // typename indirect_reference<P>::type provides the type of *p.

 //

 // http://www.boost.org/libs/iterator/doc/pointee.html

 //

 # include <boost/detail/is_incrementable.hpp>

 # include <boost/iterator/iterator_traits.hpp>

 # include <boost/type_traits/remove_cv.hpp>

 # include <boost/mpl/eval_if.hpp>

 # include <boost/pointee.hpp>

 namespace boost { 

 namespace detail

 {

   template <class P>

   struct smart_ptr_reference

   {

       typedef typename boost::pointee<P>::type& type;

   };

 }

 template <class P>

 struct indirect_reference

   : mpl::eval_if<

         detail::is_incrementable<P>

       , iterator_reference<P>

       , detail::smart_ptr_reference<P>

     >

 {

 };

 } // namespace boost

 #endif // INDIRECT_REFERENCE_DWA200415_HPP