response.go
func (w *Response) Flush() {
	if f, ok := w.ResponseWriter.(http.Flusher); ok {
		f.Flush()
	}
}
func (w *Response) Flush() {
	if f, ok := w.ResponseWriter.(http.Flusher); ok {
		f.Flush()
	}
}
func ( w * Response ) Flush ( ) { if f , ok := w . ResponseWriter . ( http . Flusher ) ; ok { f . Flush ( ) } }
// Flush the response
Flush the response