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+//
+// Copyright (c) 2016-2017 Vinnie Falco (vinnie dot falco at gmail dot com)
+//
+// 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)
+//
+// Official repository: https://github.com/boostorg/beast
+//
+
+#ifndef BOOST_BEAST_ERROR_HPP
+#define BOOST_BEAST_ERROR_HPP
+
+#include <boost/beast/core/detail/config.hpp>
+#include <boost/system/error_code.hpp>
+#include <boost/system/system_error.hpp>
+
+namespace boost {
+namespace beast {
+
+/// The type of error code used by the library
+using error_code = boost::system::error_code;
+
+/// The type of system error thrown by the library
+using system_error = boost::system::system_error;
+
+/// The type of error category used by the library
+using error_category = boost::system::error_category;
+
+/// A function to return the generic error category used by the library
+#if BOOST_BEAST_DOXYGEN
+error_category const&
+generic_category();
+#else
+using boost::system::generic_category;
+#endif
+
+/// A function to return the system error category used by the library
+#if BOOST_BEAST_DOXYGEN
+error_category const&
+system_category();
+#else
+using boost::system::system_category;
+#endif
+
+/// The type of error condition used by the library
+using error_condition = boost::system::error_condition;
+
+/// The set of constants used for cross-platform error codes
+#if BOOST_BEAST_DOXYGEN
+enum errc{};
+#else
+namespace errc = boost::system::errc;
+#endif
+
+} // beast
+} // boost
+
+#endif