code: func (h *TextWriter) WriteCreated(w http.ResponseWriter, r *http.Request, location string, e interface{}) {
  	w.Header().Set("Location", location)
  	h.WriteCode(w, r, http.StatusCreated, e)
  }
docs: // WriteCreated writes a response object to the ResponseWriter with status code 201 and
  // the Location header set to location.