sl@0: #ifndef INDIRECT_REFERENCE_DWA200415_HPP
sl@0: # define INDIRECT_REFERENCE_DWA200415_HPP
sl@0: 
sl@0: //
sl@0: // Copyright David Abrahams 2004. Use, modification and distribution is
sl@0: // subject to the Boost Software License, Version 1.0. (See accompanying
sl@0: // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
sl@0: //
sl@0: // typename indirect_reference<P>::type provides the type of *p.
sl@0: //
sl@0: // http://www.boost.org/libs/iterator/doc/pointee.html
sl@0: //
sl@0: 
sl@0: # include <boost/detail/is_incrementable.hpp>
sl@0: # include <boost/iterator/iterator_traits.hpp>
sl@0: # include <boost/type_traits/remove_cv.hpp>
sl@0: # include <boost/mpl/eval_if.hpp>
sl@0: # include <boost/pointee.hpp>
sl@0: 
sl@0: namespace boost { 
sl@0: 
sl@0: namespace detail
sl@0: {
sl@0:   template <class P>
sl@0:   struct smart_ptr_reference
sl@0:   {
sl@0:       typedef typename boost::pointee<P>::type& type;
sl@0:   };
sl@0: }
sl@0: 
sl@0: template <class P>
sl@0: struct indirect_reference
sl@0:   : mpl::eval_if<
sl@0:         detail::is_incrementable<P>
sl@0:       , iterator_reference<P>
sl@0:       , detail::smart_ptr_reference<P>
sl@0:     >
sl@0: {
sl@0: };
sl@0:   
sl@0: } // namespace boost
sl@0: 
sl@0: #endif // INDIRECT_REFERENCE_DWA200415_HPP