tvl-depot/go/waitgroups.go

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package main
import (
"fmt"
"sync"
"time"
)
func saySomething(x string, wg *sync.WaitGroup) {
defer wg.Done()
fmt.Println(x)
time.Sleep(time.Second)
fmt.Printf("Finished saying \"%s\"\n", x)
}
func main() {
var wg sync.WaitGroup
var things = [5]string{"chicken", "panini", "cheeseburger", "rice", "bread"}
for i := 0; i < 5; i += 1 {
wg.Add(1)
go saySomething(things[i], &wg)
}
wg.Wait()
}