Round(0) ensures that the expiry is being compared to the wall clock time, since that's what the server uses to verify.
If you're interested, you can look at https://golang.org/cl/83575, the commit that introduced this logic. -- 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/4a82eb01-54fc-461c-ace5-79f608dcb76f%40googlegroups.com.