Join me this Friday, August 15, at 3:00pm EDT (19:00 UTC), for a live stream where I’ll be building a new feature in my open-source project. Subscribe on YouTube and hit the Notify me button so you don’t miss it! One thing we can do with sync.WaitGroup, that may not be immediately obvious, is to call Add from within a goroutine that’s managed by the wait group itself: wg := &sync.