boost::network::http::basic_response<boost::network::http::tags::http_server> r;r << boost::network::http::version(boost::network::http::traits::version<decltype(r)>::type ());

In file included from /home/isti/CPE/src/otherlib//cpp-netlib/boost/network/protocol/http/response.hpp:15:0,                 from /home/isti/CPE/src/otherlib//cpp-netlib/boost/network/protocol/http/server.hpp:12,                 from /home/isti/CPE/src/protos/http/HttpServer.h:3,                 from /home/isti/CPE/src/protos/http/src/HttpServer.cpp:1:/home/isti/CPE/src/otherlib//cpp-netlib/boost/network/protocol/http/message/directives/version.hpp: In instantiation of ‘typename boost::enable_if<boost::network::is_pod<Tag>, void>::type boost::network::http::version_directive<ValueType>::operator()(Message<Tag>&) const [with Tag = boost::network::http::tags::http_server; Message = boost::network::http::basic_response; ValueType = std::basic_string<char>; typename boost::enable_if<boost::network::is_pod<Tag>, void>::type = void]’:/home/isti/CPE/src/otherlib//cpp-netlib/boost/network/protocol/http/response.hpp:95:9:   required from ‘boost::network::http::basic_response<Tag>& boost::network::http::operator<<(boost::network::http::basic_response<Tag>&, const Directive&) [with Tag = boost::network::http::tags::http_server; Directive = boost::network::http::version_directive<std::basic_string<char> >]’/home/isti/CPE/src/protos/http/src/HttpServer.cpp:72:99:   required from here/home/isti/CPE/src/otherlib//cpp-netlib/boost/network/protocol/http/message/directives/version.hpp:15:5: error: ‘struct boost::network::http::basic_response<boost::network::http::tags::http_server>’ has no member named ‘version’