Function write_vector_like

cpp/format/stl_common.hpp:255–265

 */
template <typename Container, typename Size = int64_t>
inline void write_vector_like(const Container& o, buffer_t& bytes, int64_t offset)
{
    if constexpr (std::is_standard_layout_v<typename Container::value_type> &&
                  std::is_trivial_v<typename Container::value_type>) {
        offset = write(static_cast<Size>(o.size()), bytes, offset);
        ASSERT(bytes.size() - offset >= o.size() * sizeof(typename Container::value_type));
        std::memcpy(bytes.data() + offset, o.data(), o.size() * sizeof(typename Container::value_type));
    } else {
        write_container(o, bytes, offset);
    }
}

/**
 * @brief Utility to write vector like container, which has no known output size.