On Fri, 6 Dec 2019 at 09:54, linmiaohe <linmiaohe@xxxxxxxxxx> wrote: > > > > >I personally just prefer to remove the “default” case and change this “return 0;” to “return 1;”. > >But it’s a matter of taste of course. > > > Yes. As what " Turnip greens, all have love " said. ^_^ Actually it is a great appreciated to introduce something more useful instead of tons of cleanups, I saw guys did one cleanup and can incur several bugs before. Wanpeng