golang interface experiments

gistfile1.txt

type count int32

type incrementable interface {
	Inc()
}

type countable interface {
	incrementable
	Dec()
}

func f(x countable) {
	x.Inc()
	x.Dec()
	x.Dec()
}


/*func (x count) Inc() {
	x = x + 1
}*/

func (x *count) Inc() {
	*x = *x + 1
}

func (x *count) Dec() {
	*x = *x - 1
}

func main() {
	var x count = 4
	f(&x)
	os.Exit(int(x))