new
http.response_message.type.new
(req option http.request_message, version_major i32, version_minor i32, status_code i32, reason_phrase String, header Sequence (tuple String String), body io.Read_Handler)
=>
http.response_message¶0.098dev (GIT hash 24d3437cd83e0dc6a6eb392aaf98ddef3061900e)