> On the occasions where I've needed that I've used a WaitGroup and done wg.Add(1) at the point where I start goroutines and then have a defer wg.Done() as the

> On the occasions where I've needed that I've used a WaitGroup and done wg.Add(1) at the point where I start goroutines and then have a defer wg.Done() as the first thing in the goroutine. I don't think the functionality belongs in Context. And if you put it there, you'd just end up complicating things. I'm not sure this is the same thing. The point of Context is to propagate cancelations or timeouts across multiple layers of your app and libraries, it's not supposed to be useful for directly started goroutines.