Most unexpected was Paramount stock’s jump. Wall Street almost always disdains giant acquisitions on the theory that buyers get too excited about big deals and overpay—and indeed, that’s usually what happens. When the deal gets sealed, the buyer’s stock usually drops, but in this case it rose almost 30%. That’s probably because analysts were pleasantly surprised: They had figured Paramount would need to raise its offer from $30 to $32–$34 a share to vanquish Netflix; instead, Paramount offered just $31 and prevailed.
这种方法通过类型别名和转换器封装了平台差异，避免了平台侧重复编写转换逻辑。
，更多细节参见51吃瓜
// 易错点2：条件写成`<`而非`<=` → 相同身高的人会被错误保留，导致count统计少
Media Source Extensions™ — W3C Working Draft