washingtonpost.com
"Whether it's our children, partners, bosses, it can affect everybody and everything," she said.
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const posToTime = new Map(); // 映射：位置 → 到达终点的时间
That said, it's important to recognize that locking in itself is not bad. It does, in fact, serve an important purpose to ensure that applications properly and orderly consume or produce data. The key challenge is with the original manual implementation of it using APIs like getReader() and releaseLock(). With the arrival of automatic lock and reader management with async iterables, dealing with locks from the users point of view became a lot easier.