// Chapter 26 example: a counter, with a method that gives back a changed copy.
// Run with: go run exercises/26/03-counter.go

package main

import "fmt"

type counter struct {
	count int
}

func (c counter) show() {
	fmt.Println("Count:", c.count)
}

func (c counter) step() counter {
	c.count = c.count + 1
	return c
}

func main() {
	c := counter{}
	c = c.step()
	c = c.step()
	c = c.step()
	c.show() // Count: 3

	// Try this: add a method reset that gives back a counter with count set
	// to 0, assign its result back to c, and call c.show() again.
}