1 // (C) Copyright 2008 CodeRage, LLC (turkanis at coderage dot com)
2 // (C) Copyright 2003-2007 Jonathan Turkanis
3 // Distributed under the Boost Software License, Version 1.0. (See accompanying
4 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt.)
6 // See http://www.boost.org/libs/iostreams for documentation.
8 #ifndef BOOST_IOSTREAMS_OPERATIONS_FWD_HPP_INCLUDED
9 #define BOOST_IOSTREAMS_OPERATIONS_FWD_HPP_INCLUDED
15 #include <boost/mpl/not.hpp>
16 #include <boost/type_traits/is_base_and_derived.hpp>
18 namespace boost { namespace iostreams {
25 struct custom_tag { };
30 is_base_and_derived< custom_tag, operations<T> >
34 } // End namespace detail.
37 struct operations : detail::custom_tag { };
39 } } // End namespaces iostreams, boost.
41 #endif // #ifndef BOOST_IOSTREAMS_OPERATIONS_FWD_HPP_INCLUDED //--------------//