Can you check if `perl-List-MoreUtils` in SL5 has `each_arrayref` declared?

It's similar to Python's `zip`:

```perl
my $ea = each_arrayref($before, $after);
while (my ($b, $a) = $ea->()) {
    if ($end == -1 || $b == $end) {
        $end = $a;
    } else {
       last;
    }
}
```