http://qs1969.pair.com?node_id=608066


in reply to prototypes: so many \@'s?

There is no such hack I know of. What I've seen on CPAN (in List::MoreUtils, for instance) is attempts to allow "enough" arguments:
sub each_array (\@;\@\@\@\@\@\@\@\@\@\@\@\@\@\@\@\@\@\@\@\@\@\@\@\@) {
That seems to be the dissatisfactory state of the art in this respect.

Anno