cl.go

// original: http://dave.cheney.net/2014/03/19/channel-axioms
package main

import (
	"fmt"
	"sync"
)

func main() {
	var c = make(chan int, 100)
	done := make(chan bool, 1)
	var wg sync.WaitGroup
	for i := 0; i < 10; i++ {
		go func() {
			defer wg.Done()
			wg.Add(1)
			for j := 0; j < 10; j++ {
				c <- j
			}
		}()
	}
	go func() {
		wg.Wait()
		done <- true
	}()
	<-done
	for i := 0; i < 100; i++ {
		fmt.Println(<-c)
	}
}