code: func (req *Request) Destroy() {
  	req.In = nil
  	req.ContentType = ""
  	req.Format = ""
  	req.AcceptLanguages = nil
  	req.Method = ""
  	req.RemoteAddr = ""
  	req.Host = ""
  	req.Header.Destroy()
  	req.URL = nil
  	req.Form = nil
  	req.MultipartForm = nil
  }
docs: // Destroy the request