Chinese Whispers example by Rob Pike http://www.youtube.com/watch?v=f6kdp27TYZs

chinese-whispers.go

package main

import "fmt"

//
// Chinese Whispers example by Rob Pike
// See http://www.youtube.com/watch?v=f6kdp27TYZs
//
func whisper(left, right chan int) {
    left <- 1 + <- right
}

func main() {
    const n = 100000
    leftmost := make(chan int)
    right := leftmost
    left := leftmost
    for i := 0; i < n; i++ {
        right = make(chan int)
        go whisper(left, right)
        left = right
    }
    go func(c chan int) { c <- 1 }(right)
    fmt.Println(<- leftmost)
}