virtual bool is_single_vector_impl() const
int64_t get_vector_size(const int64_t index) const
virtual int64_t get_vector_size_impl(int64_t index) const =0
T get_vector_element(const int64_t index, const int64_t index_in_vector) const
virtual ~VVectorArray()=default
VVectorArray(const int64_t size)
virtual T get_vector_element_impl(int64_t index, int64_t index_in_vetor) const =0
bool is_single_vector() const