This is not safe. https://play.golang.org/p/ax6fG_ZCE_
On Tuesday, 7 November 2017 11:59:51 UTC+11, Albert Tedja wrote:
>
> So, I just found out that closed channels always yield the zero value.
> That means, a closed channel inside a select statement seems to always be
> guaranteed to be executed.
>
> Since closing an already closed channel creates a panic, does this mean
> then I can do this to make sure that the channel is closed only once?
>
>
> select {
> case <- closedchan:
> default:
> close(closedchan)
> }
>
>
>
> Golang playground: https://play.golang.org/p/LSrTh0HC2K
>
> It seems to work. Just want to confirm here before start doing this
> everywhere in my code.
>
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