v/examples/hanoi.v

// hanoi tower
const (
	Num = 7
)

fn main() {
	hanoi(Num, 'A','B','C')
}

fn move(n int, a, b string) int {
	println('Disc $n from $a to $b\...')
	return 0
}

fn hanoi(n int, a, b, c string) int {
	if n == 1 {
		move(1,a,c)
	} else {
		hanoi(n-1, a, c, b)
		move(n,a,c)
		hanoi(n-1, b, a, c)
	}
	return 0
}