1.wg
package main
import ("fmt""time""sync" )var wg sync.WaitGroupfunc printNumbers() {defer wg.Done()for i := 1; i <= 5; i++ {fmt.Println(i)time.Sleep(time.Second)} }func main() {wg.Add(1)go printNumbers()wg.Wait() }
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1.wg
package main
import ("fmt""time""sync" )var wg sync.WaitGroupfunc printNumbers() {defer wg.Done()for i := 1; i <= 5; i++ {fmt.Println(i)time.Sleep(time.Second)} }func main() {wg.Add(1)go printNumbers()wg.Wait() }