Method append

src/util/shared_array_inl.h:251–256

template <typename V>
void SArray<V>::append(const SArray<V>& arr) {
  if (arr.empty()) return;
  auto orig_size = size_;
  resize(size_ + arr.size());
  memcpy(data_+orig_size, arr.data(), arr.size()*sizeof(V));
}

} // namespace PS