(PCC)::[How-to-use-wait-group-for-multiple-goroutines-to-finish-in-go-language]::[go]
package main import ( "fmt" "sync" "time" ) func worker(id int, wg *sync.WaitGroup) { defer wg.Done() fmt.Printf("Worker %d starting\n", id) time.Sleep(time.Second) fmt.Printf("Worker %d done\n", id) } func main() { var wg sync.WaitGroup for i := 1; i <= 5; i++ { wg.Add(1) go worker(i, &wg) } wg.Wait() }