Simplest example of channels in Go. #golang

channel_example.go

package main

import (
	"fmt"
	"math/rand"
	"time"
)

func boring(msg string, c chan string) <-chan string {
	for i := 0; ; i++ {
		// putting data into the channel
		c <- fmt.Sprintf("%-10v %d\n", msg, i)
    // sleep for random time
		time.Sleep(time.Duration(rand.Intn(1e3)) * time.Millisecond)
	}
	return c
}

func main() {
	c := make(chan string)
	go boring("Santosh", c)
	go boring("Jennifer", c)
	go boring("Himanshi", c)
	for i := 0; i < 15; i++ {
		// direction of arrow is the data flow
		fmt.Printf("You say: %q\n", <-c)
	}
}

// Checkout 'Google I/O 2012 - Go Concurrency Patterns' for more:
// https://www.youtube.com/watch?v=f6kdp27TYZs