For implementers, the locking model adds a fair amount of non-trivial internal bookkeeping. Every operation must check lock state, readers must be tracked, and the interplay between locks, cancellation, and error states creates a matrix of edge cases that must all be handled correctly.
Roblox will be the focus of special with former To Catch a Predator host Chris Hansen
，这一点在heLLoword翻译官方下载中也有详细论述
The primary signal is desiredSize on the controller. It can be positive (wants data), zero (at capacity), negative (over capacity), or null (closed). Producers are supposed to check this value and stop enqueueing when it's not positive. But there's nothing enforcing this: controller.enqueue() always succeeds, even when desiredSize is deeply negative.
但宋高祖也強調，即便德中關係可能出現某種程度的解凍，但究竟能回暖到什麼程度，仍有待觀察。「因為，這很大程度上取決於美國對歐洲施壓的力度、歐洲能否有效運用其市場力量對中國經濟施加影響，以及北京願意且能夠提供什麼妥協。」