> On 1 Feb 2021, at 22.05, xie cui <cuiwei...@gmail.com> wrote:
>
> here is the code:
> package main
>
> import "fmt"
>
> func main() {
> counter := 0
> ch := make(chan struct{}, 1)
> closeCh := make(chan struct{})
> go func() {
> counter++ //(1)
> ch <- struct{}{}
> }()
> go func() {
> _ = <-ch
> fmt.Println(counter) //(2)
> close(closeCh)
> }()
> _ =<-closeCh
> }
>
> is (1) happens before (2)? why?
I believe the answer is not g. https://golang.org/ref/mem#tmp_7
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