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v/examples/hanoi.v

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// hanoi tower
const (
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num = 7
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)
fn main() {
hanoi(num, 'A', 'B', 'C')
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}
fn move(n int, a string, b string) int {
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println('Disc $n from $a to $b\...')
return 0
}
fn hanoi(n int, a string, b string, c string) int {
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if n == 1 {
move(1, a, c)
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} else {
hanoi(n - 1, a, c, b)
move(n, a, c)
hanoi(n - 1, b, a, c)
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}
return 0
}