Added thirdparty: boost library

thirdparty/include/boost/beast/http/impl/error.hpp

@@ -0,0 +1,37 @@
+//
+// Copyright (c) 2016-2019 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_HTTP_IMPL_ERROR_HPP
+#define BOOST_BEAST_HTTP_IMPL_ERROR_HPP
+
+#include <type_traits>
+
+namespace boost {
+namespace system {
+template<>
+struct is_error_code_enum<::boost::beast::http::error>
+{
+    static bool const value = true;
+};
+} // system
+} // boost
+
+namespace boost {
+namespace beast {
+namespace http {
+
+BOOST_BEAST_DECL
+error_code
+make_error_code(error ev);
+
+} // http
+} // beast
+} // boost
+
+#endif