49 lines
1.4 KiB
C++
49 lines
1.4 KiB
C++
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#ifndef BOOST_NETWORK_MESSAGE_TRAITS_BODY_HPP_20100903
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#define BOOST_NETWORK_MESSAGE_TRAITS_BODY_HPP_20100903
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// Copyright Dean Michael Berris 2010.
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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#include <boost/network/support/is_async.hpp>
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#include <boost/network/support/is_sync.hpp>
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#include <boost/type_traits/is_same.hpp>
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#include <boost/thread/future.hpp>
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#include <boost/mpl/or.hpp>
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#include <boost/mpl/if.hpp>
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namespace boost { namespace network {
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namespace traits {
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template <class Tag>
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struct unsupported_tag;
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template <class Message>
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struct body :
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mpl::if_<
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is_async<typename Message::tag>,
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boost::shared_future<typename string<typename Message::tag>::type>,
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typename mpl::if_<
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mpl::or_<
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is_sync<typename Message::tag>,
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is_same<typename Message::tag, tags::default_string>,
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is_same<typename Message::tag, tags::default_wstring>
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>,
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typename string<typename Message::tag>::type,
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unsupported_tag<typename Message::tag>
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>::type
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>
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{};
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} // namespace traits
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} /* network */
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} /* boost */
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#endif // BOOST_NETWORK_MESSAGE_TRAITS_BODY_HPP_20100903
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