On Monday, 2 March 2020 04:49:34 UTC, Yuan Ting wrote: > > I write a simple program likes below and it triggers a data race alarm > with -race flag. But no matter how I run, this program will not panic. I > know it is legal to receive messages from nil channels, but I don't quite > understand why this program does not panic in the presence of data races. >
Because not all data races cause panics. A data race is where the behaviour of the program is non-deterministic - it could do either A or B depending on the precise timing of other things going on - but it doesn't necessarily mean that a panic will happen. -- 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/0832fc7d-3856-4309-b08d-b237e12202b9%40googlegroups.com.
