go select tour

select.go

package main

import "fmt"

func fibonacci(c, quit chan int) {
        x, y := 0, 1
        for {
                select {
                case c <- x:
                        x, y = y, x+y
                case <-quit:
                        fmt.Println("quit")
                        return
                }
        }
}

func main() {
        c := make(chan int)
        quit := make(chan int)
        go func() {
                for i := 0; i < 10; i++ {
                        fmt.Println(<-c)
                }
                quit <- 0
        }()
        fibonacci(c, quit)
}