On Sun, May 5, 2019 at 12:06 PM Louki Sumirniy
<louki.sumirniy.stal...@gmail.com> wrote:
> Is there ANY other use case for waitgroup other than preventing a goroutine
> leak or ensuring that it empties the channels at the end of execution?
I don't think this question is related to the correctness of your
shorter implementation of WaitGroup. Anyway, what about such code?
var wg sync.WaitGroup
func main() {
defer wg.Wait()
if someCondition {
for i := 0; i < 4; i++ {
wg.Add(1)
go worker(i)
}
}
...
}
func worker(i int) {
defer wg.Done()
...
}
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