-sub args_ok ($$) { # duplicated from PublicInbox::NNTP
- my ($cb, $argc) = @_;
- my $tot = prototype $cb;
- my ($nreq, undef) = split(';', $tot);
- $nreq = ($nreq =~ tr/$//) - 1;
- $tot = ($tot =~ tr/$//) - 1;
- ($argc <= $tot && $argc >= $nreq);
-}
-