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+// (C) Copyright 2008 CodeRage, LLC (turkanis at coderage dot com)
+// (C) Copyright 2003-2007 Jonathan Turkanis
+// 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.)
+
+// See http://www.boost.org/libs/iostreams for documentation.
+
+#ifndef BOOST_IOSTREAMS_DETAIL_DISPATCH_HPP_INCLUDED
+#define BOOST_IOSTREAMS_DETAIL_DISPATCH_HPP_INCLUDED
+
+#if defined(_MSC_VER)
+# pragma once
+#endif
+
+#include <boost/config.hpp> // BOOST_DEDUCED_TYPENAME.
+#include <boost/iostreams/detail/select.hpp>
+#include <boost/iostreams/traits.hpp> // category_of.
+#include <boost/mpl/void.hpp>
+#include <boost/type_traits/is_convertible.hpp>
+
+namespace boost { namespace iostreams {namespace detail {
+
+template< typename T, typename Tag1, typename Tag2,
+ typename Tag3 = mpl::void_, typename Tag4 = mpl::void_,
+ typename Tag5 = mpl::void_, typename Tag6 = mpl::void_,
+ typename Category =
+ BOOST_DEDUCED_TYPENAME category_of<T>::type >
+struct dispatch
+ : iostreams::select< // Disambiguation for Tru64.
+ is_convertible<Category, Tag1>, Tag1,
+ is_convertible<Category, Tag2>, Tag2,
+ is_convertible<Category, Tag3>, Tag3,
+ is_convertible<Category, Tag4>, Tag4,
+ is_convertible<Category, Tag5>, Tag5,
+ is_convertible<Category, Tag6>, Tag6
+ >
+ { };
+
+} } } // End namespaces detail, iostreams, boost.
+
+#endif // #ifndef BOOST_IOSTREAMS_DETAIL_DISPATCH_HPP_INCLUDED