goanna/request.go
func (r *Request) CookieValue(name string) string {
	c, err := r.Cookie(name)
	if err != nil {
		return ""
	}
	return c.Value
}
func (r *Request) CookieValue(name string) string {
	c, err := r.Cookie(name)
	if err != nil {
		return ""
	}
	return c.Value
}
// CookieValue returns the value of the named cookie