Sorry for the misleading, these was a race condition, and I have found it. It's not about reading / writing to the same map.
"this.Entries" is replaced by a new map in a timer, in another goroutine. 在 2017年3月3日星期五 UTC+8下午9:31:12，詹青朋写道： > > Hey guys, > > Here is my code, > https://github.com/myzhan/boomer/blob/dc6893a72c2b32c27ff6d7646a55b135493ba7e1/stats.go#L33 > > I'm trying to figure out *why I got nil from "this.**Entries(a map)"*, > and I'm really confused. > > I hava checked if the key exists, and if not, I put a new key in > "this.Entries". > > If "clearAll" is called, "this.Entries" will be repalced by a new map. > > "init()" starts a goroutine to do all the things, get a entry from > "this.Entries" or call "clearAll". > > Is it a concurrency issue? > > Thanks for your help. > -- You received this message because you are subscribed to the Google Groups "golang-nuts" group. To unsubscribe from this group and stop receiving emails from it, send an email to golang-nuts+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
