Илона Палей (Редактор отдела «Силовые структуры»)
事实上，类似“乌龙标价”事件在之前也曾经发生过。在2021年“6·18”大促期间，中华书局的京东自营店闹出了“800元变1元”的大bug，短短十分钟成交订单超百万元。而在2025年1月16日14：40—14：45，支付宝也出现了漏洞，所有的支付订单全部变成了八折，就连转账都能省下20%。
。PDF资料对此有专业解读
No polling, no wasted cycles. The handler blocks until the event fires. But Event is boolean: it's either set or unset. Our connection has five states, and drain_requests only cares about one of them. What happens when another handler needs to wait for connected? You need a second event. A third handler waiting for "not disconnected"? A third event with inverted logic. The setter has to know about all of them:
诉求的表达很繁复，也很多样。这就需要大人时刻准备着，说对了要表扬，说错了要纠正。