gistfile1.go

package main

import "fmt"

func worker(num int, done chan bool) {
	fmt.Printf("Worker: %d\n", num)
	done <- true
}

const NWorkers = 10

func main() {
	done := make(chan bool)
	for i := 0; i < NWorkers; i++ {
		go worker(i, done)
	}
	for i := 0; i < NWorkers; i++ {
		<-done
	}
	fmt.Printf("Done!\n")
}