Method PackedVector

include/util/packed_vector.hpp:393–398

    using reverse_iterator = std::reverse_iterator<iterator>;

    PackedVector(std::initializer_list<T> list)
    {
        reserve(list.size());
        for (const auto value : list)
            push_back(value);
    }

    PackedVector(){};
    PackedVector(const PackedVector &) = default;