sl@0: // (C) Copyright Jonathan Turkanis 2003.
sl@0: // Distributed under 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: // See http://www.boost.org/libs/iostreams for documentation.
sl@0: 
sl@0: #ifndef BOOST_IOSTREAMS_DETAIL_DISPATCH_HPP_INCLUDED
sl@0: #define BOOST_IOSTREAMS_DETAIL_DISPATCH_HPP_INCLUDED
sl@0: 
sl@0: #if defined(_MSC_VER) && (_MSC_VER >= 1020)
sl@0: # pragma once
sl@0: #endif              
sl@0: 
sl@0: #include <boost/config.hpp>                   // BOOST_DEDUCED_TYPENAME. 
sl@0: #include <boost/iostreams/detail/select.hpp>
sl@0: #include <boost/iostreams/traits.hpp>         // category_of. 
sl@0: #include <boost/mpl/void.hpp>          
sl@0: #include <boost/type_traits/is_convertible.hpp>         
sl@0: 
sl@0: namespace boost { namespace iostreams {namespace detail {
sl@0:     
sl@0: template< typename T, typename Tag1, typename Tag2,
sl@0:           typename Tag3 = mpl::void_, typename Tag4 = mpl::void_,
sl@0:           typename Tag5 = mpl::void_, typename Tag6 = mpl::void_,
sl@0:           typename Category = 
sl@0:               BOOST_DEDUCED_TYPENAME category_of<T>::type >
sl@0: struct dispatch 
sl@0:     : iostreams::select<  // Disambiguation for Tru64.
sl@0:           is_convertible<Category, Tag1>, Tag1,
sl@0:           is_convertible<Category, Tag2>, Tag2,
sl@0:           is_convertible<Category, Tag3>, Tag3,
sl@0:           is_convertible<Category, Tag4>, Tag4,
sl@0:           is_convertible<Category, Tag5>, Tag5,
sl@0:           is_convertible<Category, Tag6>, Tag6
sl@0:       >
sl@0:     { };
sl@0: 
sl@0: } } } // End namespaces detail, iostreams, boost.
sl@0: 
sl@0: #endif // #ifndef BOOST_IOSTREAMS_DETAIL_DISPATCH_HPP_INCLUDED