(PCC)::[How-to-used-Channel-Synchronization-to-notify-another-goroutine-that-this-functions-work-is-done-in-go-language]::[go]
package main
import (
"fmt"
"time"
)
func worker(done chan bool) {
fmt.Print("working...")
time.Sleep(time.Second)
fmt.Println("done")
done <- true
}
func main() {
done := make(chan bool, 1)
go worker(done)
<-done
} 