Go routines example

go_routines_ex_02.go

package main

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

var rnd = rand.New(rand.NewSource(time.Now().UnixNano()))

func main() {
	// Goroutines
	for i := 0; i < 10; i++ {
		id := rnd.Intn(10) + 1
        
        go func(id int) {
            // print A
            printA(id)
            
        }(id)
        
		go func(id int) {
            // print B
			printB(id)
		}(id)
    }
    // Wait 100ms before shutting down
	time.Sleep(100 * time.Microsecond)
}

func printA(num int) bool {
	fmt.Printf("%d) A\n", num)
	return num%2 == 0
}

func printB(num int) bool {
	fmt.Printf("%d) B\n", num)
	return num%2 == 0
}