inline: InlineRepr,
想象一下餐厅后厨。平台线程就像厨师，每个厨师都有自己的灶台、案板、锅铲（对应线程的栈空间、上下文）。招聘一个厨师成本很高，要给工资、买设备、安排工位，所以后厨一般就养十几个厨师，再多就养不起了（内存开销大）。，详情可参考哔哩哔哩
，这一点在快连下载-Letsvpn下载中也有详细论述
Rust does not have reflection, so we cannot simply ask whether T is an Option.
Instead of waking consumers and asking "is the current state what you want?", buffer every transition into a per-consumer queue. Each consumer drains its own queue and checks each transition individually. The consumer never misses a state.，推荐阅读体育直播获取更多信息