Golang producer/consumer interaction

main.go

package main

import (
	"fmt"
	"time"
)

func main() {
	list := make(chan int)

	go consumer(list)

	producer(list)
}

func producer(ch chan int) {
	i := 1
	for {
		time.Sleep(time.Second * 2)
		ch <- i
		i++
	}
}

func consumer(ch chan int) {
	var message int
	for {
		select {
		case message = <-ch:
			go say(message)
		}
	}
}

func say(message int) {
	fmt.Printf("say: %d\n", message)
}