Sleep sort using channels: http://archives.cazzaserver.com/SleepSortWiki/SleepSort.html

sleep_sort.go

// Sleep sort
// http://archives.cazzaserver.com/SleepSortWiki/SleepSort.html
package main

import (
	"fmt"
	"time"
)

func sorter(c chan int, value int) {
	time.Sleep(time.Millisecond * time.Duration(value))
	c <- value
}

func main() {

	unsorted := []int{2, 1, 4, 3}
	c := make(chan int)
	for _, x := range unsorted {
		go sorter(c, x)
	}

	sorted := []int{}
	for _ = range unsorted {
		v := <-c
		sorted = append(sorted, v)
	}
	fmt.Println(sorted)
}