fact (revision 5a38ef86d0b61900239c7913d24a05e7b88a58f0) - OpenGrok cross reference for /openbsd-src/gnu/usr.bin/perl/lib/perl5db/t/fact

#!/usr/bin/perl

use strict;
use warnings;

sub fact {
    my $n = shift;
    if ($n > 1) {
        return $n * fact($n - 1);
    } else {
        return 1;
    }
}
fact(5);