Фото: Пресс-служба Минобороны РФ / ТАСС
Фото: Osmancan Gurdogan / Anadolu via Getty Images
，这一点在快连下载-Letsvpn下载中也有详细论述
@[email protected] for pointing out the idea of a canary mode (yet to be implemented)
it just works. no special machinery needed. the boolean operators distribute over derivatives the same way union does. derivatives are such a powerful and interesting tool that i will dedicate a separate post to them, but the main point is that they give us a simple and uniform way to handle all regular language features, including intersection and complement.