On Saturday, 27 July 2019 at 06:08:34 UTC, zoujiaqing wrote: > On Thursday, 25 July 2019 at 20:19:53 UTC, ag0aep6g wrote: >> [...] > > Thanks. > But we use other language to implementation. It doesn't matter. It is all about intellectual property, algorithms and the structure. The language is the least important factor.