[ anyRcv isNil ifTrue: anyBlock ] bpattern browseUsersTo rewrite them:
In a recent update made to Cloudflare Workers, I made similar kinds of modifications to an internal data pipeline that reduced the number of JavaScript promises created in certain application scenarios by up to 200x. The result is several orders of magnitude improvement in performance in those applications.
，这一点在旺商聊官方下载中也有详细论述
FT Professional
先理解原理：看动图 + 手动模拟小数组