my ($class, $tas, $req, $isa, $methods, $is_io, $is_tas, $tac);

##</code><code>##

	my ($class, $tas, $req, $isa, $methods, $is_io, $is_tas, $tac) =
		(undef, undef, undef, undef, undef, undef, undef, undef);