Select Code to Download

my @seen;
foreach my $target (@integer_data_set) {
...
    $seen[$target] = 1;
    print "New: $target\n";
}

my %seen;
foreach my $target (@string_data_set) {
...
    $seen{$target} = 1;
    print "New: $target\n";
}

sub hash {
    my $string     = shift;
...
    }
    return $hash_value;
}

sub find {
    my ($storage_aref, $needle) {
...
    }
    return;
}

$storage_aref = [
    [ # Bucket 0.
...
    [...], # Bucket 2,
    ...
];