thanks for your reply. Could you guide me any readings or source code about channel of happens before.
On Tuesday, January 7, 2020 at 3:02:30 AM UTC+8, Ian Lance Taylor wrote: > > On Mon, Jan 6, 2020 at 10:55 AM hao dong <hao....@gmail.com <javascript:>> > wrote: > > > > After reading blog post : https://golang.org/ref/mem > > > > I got one question, in the code below: > > > > > > var c = make(chan int, 10) > > var a string > > > > func f() { > > a = "hello, world" > > c <- 0 > > } > > > > func main() { > > go f() > > <-c > > print(a) > > } > > > > > > How can the complier knows that a = "hello, world" happens c <-0. Or > could it possible that c <-0 happens first, a = "hello, world" happens > second ?? > > The compiler ensures that the assignment to a happens before the send > operation on c. > > If that doesn't answer your question, can you explain in more detail? > > Ian > -- 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/5283097c-e526-4e01-8174-449a8cf4e6e0%40googlegroups.com.
