// Chapter 26 example: a dog with state, a newDog function and a method.
// Run with: go run exercises/26/05-dog.go

package main

import "fmt"

type dog struct {
	name      string
	barksLeft int
}

func newDog(name string, barksLeft int) dog {
	return dog{name: name, barksLeft: barksLeft}
}

func (d dog) bark() dog {
	if d.barksLeft <= 0 {
		fmt.Printf("%s is hoarse.\n", d.name)
		return d
	}
	fmt.Printf("%s: Woof!\n", d.name)
	d.barksLeft = d.barksLeft - 1
	return d
}

func main() {
	rex := newDog("Rex", 3)
	rex = rex.bark()
	rex = rex.bark()
	rex = rex.bark()
	rex = rex.bark()
}