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why use a done channel with wait group #15

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shubham7saxena opened this issue Mar 25, 2018 · 0 comments

shubham7saxena commented Mar 25, 2018

https://github.com/gojektech/probed/blob/master/worker.go#L20
waitGroup.Wait() unblocks and returns automatically once Done() has been called as many times as Add(). why do we need the doneChan

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