smallexample.go

package main

import (
    "math/rand"
    "time"
)

func Sender(intChannel chan <- int , stringChannel chan <- string, end chan <- bool) {
    randInt := rand.Int()
    if randInt%2 == 0 {
        intChannel <- randInt
    } else  {
        stringChannel <- "odd"
    }
    end <- true
}

func Receiver(intChannel <- chan  int , stringChannel <- chan  string, end chan <- bool) {
    select {
        case val:= <-intChannel :
            println("Received ",val)
        case val := <-stringChannel :
            println("Received ",val)
    }
    end <- true
}

func main() {
    rand.Seed(time.Now().UTC().UnixNano())
    intChannel, stringChannel, end := make(chan int), make(chan string), make(chan bool)
    go Sender(intChannel,stringChannel,end)
    go Receiver(intChannel,stringChannel,end)
    <-end
    <-end
}