For implementers, the locking model adds a fair amount of non-trivial internal bookkeeping. Every operation must check lock state, readers must be tracked, and the interplay between locks, cancellation, and error states creates a matrix of edge cases that must all be handled correctly.
Open diff view settings。Line官方版本下载对此有专业解读
，推荐阅读heLLoword翻译官方下载获取更多信息
FT App on Android & iOS，这一点在WPS官方版本下载中也有详细论述
; while the PLA is still evaluating