code: func Stream(w http.ResponseWriter, v interface{}) error {
  	if err := Encode(w, v); err != nil {
  		return err
  	}
  
  	if f, ok := w.(http.Flusher); ok {
  		f.Flush()
  	}
  
  	return nil
  }
docs: // Stream encodes and flushes data to the client.