Function GetAnyVectorElemAddressOf

Libs/flatbuffers/reflection.h:265–268

// raw pointer access with scalars).
template<typename T>
T *GetAnyVectorElemAddressOf(const VectorOfAny *vec, size_t i,
                             size_t elem_size) {
  return reinterpret_cast<T *>(vec->Data() + elem_size * i);
}

// Similarly, for elements of tables.
template<typename T>