L<Carp> (standard since perl 5), L<XSLoader> (standard since perl 5.006).
Copy tests need L<Tie::Array> (standard since perl 5.005) and L<Tie::Hash> (since 5.002).
L<Carp> (standard since perl 5), L<XSLoader> (standard since perl 5.006).
Copy tests need L<Tie::Array> (standard since perl 5.005) and L<Tie::Hash> (since 5.002).