Concurrency in Go: WaitGroup with closure

waitgroup_closure.go

wg := sync.WaitGroup{}
for i := 0; i < 10; i++ {
       wg.Add(1)
       go func() {
              time.Sleep(1 * time.Second)
              fmt.Println("Finished")
              wg.Done()
       }()
}
wg.Wait()
// Closure works too!