Code sample from your house

andrew.go

package main

import (
	"flag"
	"fmt"
	"math/rand"
	"strconv"
	"sync"
)

type car struct {
	color string
	year  int
}

type dog struct {
	name string
	age  int
}

func main() {
	var debug *bool
	debug = flag.Bool("d", false, "Debugging enabled?")
	flag.Parse()

	greeting, number := "I am Andrew", getFavoriteNumber()
	greeting = greeting + " and my favorite number is " + strconv.Itoa(number)

	wg := sync.WaitGroup{}
	wg.Add(1)

	go printGreeting(greeting, &wg)

	wg.Wait()

	if *debug {
		cDog := dog{"stumps", 1}
		nDog := dog{"champagne", 2001}

		fmt.Println(cDog, nDog)
	}
}

func printGreeting(greeting string, wg *sync.WaitGroup) {
	fmt.Println(greeting)
	wg.Done()
}

func getFavoriteNumber() int {
	return rand.Int()
}