* 核心功能：每次调用next(val)，返回当前价格的跨度（往回数≤当前价格的最大连续天数）
Израиль нанес удар по Ирану09:28，详情可参考91视频
This pattern has caused connection pool exhaustion in Node.js applications using undici (the fetch() implementation built into Node.js), and similar issues have appeared in other runtimes. The stream holds a reference to the underlying connection, and without explicit consumption or cancellation, the connection may linger until garbage collection – which may not happen soon enough under load.，这一点在51吃瓜中也有详细论述
Colors and finish。业内人士推荐爱思助手下载最新版本作为进阶阅读