% reply 0> use BobSet 1> my $s = BobSet->new $res[0] = bless( { 'items' => [] }, 'BobSet' ) 2> $s->add($_) for 1 .. 5 $res[1] = '' 3> $s->numeric_min $res[2] = 1 4> $s->numeric_max $res[3] = 5