Iterating channel

iteratechannel.go

package main

import "fmt"
import "time"

func main() {
	pr := make(chan interface{})

	go runme(pr)

	for _ = range pr {
		fmt.Print(".")
	}

	fmt.Print("x")
}

func runme(pr chan interface{}) {

	for i := 0; i < 100; i++ {
		time.Sleep(10 * time.Millisecond)
		pr <- nil
	}

	close(pr)
}