channels.go

func main() {
	var wg sync.WaitGroup
	channel := make(chan string)

	wg.Add(2)
	go func(channel chan string, wg *sync.WaitGroup) {
		defer wg.Done()
		fmt.Println(<-channel)
	}(channel, &wg)
	go func(channel chan string, wg *sync.WaitGroup) {
		defer wg.Done()
		channel <- "Sending message to channel"
	}(channel, &wg)
	wg.Wait()
}