template<typename T> PDB<T>::PDB(std::string filename) {
    std::ifstream is(filename, std::ios::binary);
    //I prefer !good instead of bad because
    //I try to stay positive
    if (!is.good()) { throw std::exception(); }

    uint32_t size;
    is >> size;

    //saw this one on SO
    std::vector<uint8_t> bytes(
          (std::istreambuf_iterator<char>(is)),
          (std::istreambuf_iterator<char>()));

    if (!is.good()) { throw std::exception(); }
    is.close();

    data = bytes;
}

template<typename T> PDB<T>::serialize(std::string filename) {
    std::ofstream os(filename, std::ios::binary);
    if (!is.good()) { throw std::exception(); }

    std::copy(data.begin(), data.end(), std::ostreambuf_iterator<uint8_t>(os));
    if (!os.good()) { throw std::exception(); }
};