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42 lines
1.6 KiB
42 lines
1.6 KiB
3 years ago
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// (C) Copyright 2008 CodeRage, LLC (turkanis at coderage dot com)
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// (C) Copyright 2003-2007 Jonathan Turkanis
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt.)
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// See http://www.boost.org/libs/iostreams for documentation.
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#ifndef BOOST_IOSTREAMS_DETAIL_DISPATCH_HPP_INCLUDED
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#define BOOST_IOSTREAMS_DETAIL_DISPATCH_HPP_INCLUDED
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#if defined(_MSC_VER)
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# pragma once
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#endif
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#include <boost/config.hpp> // BOOST_DEDUCED_TYPENAME.
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#include <boost/iostreams/detail/select.hpp>
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#include <boost/iostreams/traits.hpp> // category_of.
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#include <boost/mpl/void.hpp>
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#include <boost/type_traits/is_convertible.hpp>
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namespace boost { namespace iostreams {namespace detail {
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template< typename T, typename Tag1, typename Tag2,
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typename Tag3 = mpl::void_, typename Tag4 = mpl::void_,
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typename Tag5 = mpl::void_, typename Tag6 = mpl::void_,
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typename Category =
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BOOST_DEDUCED_TYPENAME category_of<T>::type >
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struct dispatch
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: iostreams::select< // Disambiguation for Tru64.
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is_convertible<Category, Tag1>, Tag1,
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is_convertible<Category, Tag2>, Tag2,
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is_convertible<Category, Tag3>, Tag3,
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is_convertible<Category, Tag4>, Tag4,
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is_convertible<Category, Tag5>, Tag5,
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is_convertible<Category, Tag6>, Tag6
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>
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{ };
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} } } // End namespaces detail, iostreams, boost.
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#endif // #ifndef BOOST_IOSTREAMS_DETAIL_DISPATCH_HPP_INCLUDED
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