Recursivity

GoMelan supports recursivity.

fn factorial(n: Int) -> Int
{
    if (n <= 1) {
        return 1;
    } else {
        return n * factorial(n - 1);
    }
}

fn main() -> Int
{
    return factorial(5);
}

Output:

120

1. Declare the factorial function.

2. Recursively calculating the factorial of n.

3. Call the factorial function in main with n=5.

For more information on recursivity, please visit this page.