Hello, You use time.Sleep in your program, so the behavior is not predictable. In fact, I get it success or panic randomly.
You can see https://go-review.googlesource.com/c/sync/+/424114 to see a predictable test of ForgetUnshared . On Wednesday, September 21, 2022 at 1:45:24 PM UTC+7 atomic wrote: > hello > > I find that the `src/internal/singleflight/singleflight.go > ForgetUnshared()` method returns results that are not always expected > > For this I wrote a test code, I copied the code in the > src/internal/singleflight/singleflight.go file to the main package, and > wrote a main function to test it, if ForgetUnshared() returns correctly, > this code It should not panic, but the fact that it will panic every time > it runs, is there something wrong with my understanding of ForgetUnshared()? > > The test code cannot be run in goplay, so I posted a link: > https://gist.github.com/dchaofei/e07547bce17d94c3e05b1b2a7230f62f > > The go version I use for testing is 1.16, 1.19.1 > > result: > ``` > $ go run cmd/main.go > panic: callUUID=[9314284969 <(931)%20428-4969>] err=[context canceled] > currentUUId=[6980556786] > ``` > -- 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. To view this discussion on the web visit https://groups.google.com/d/msgid/golang-nuts/a528d3d5-d163-4626-a0a4-a33640392dedn%40googlegroups.com.
