nethttp/response_recorder.go
func AcquireResponseRecorder(underline http.ResponseWriter) *ResponseRecorder {
	v := rpool.Get()
	var res *ResponseRecorder
	if v != nil {
		res = v.(*ResponseRecorder)
	} else {
		res = &ResponseRecorder{}
	}
	res.underline = underline
	return res
}
func AcquireResponseRecorder(underline http.ResponseWriter) *ResponseRecorder {
	v := rpool.Get()
	var res *ResponseRecorder
	if v != nil {
		res = v.(*ResponseRecorder)
	} else {
		res = &ResponseRecorder{}
	}
	res.underline = underline
	return res
}
// AcquireResponseRecorder returns a ResponseRecorder