Method CopyValues

cpp/src/arrow/util/hashing.h:636–641

Copy values starting from index `start` into `out_data`

  // Copy values starting from index `start` into `out_data`
  void CopyValues(int32_t start, Scalar* out_data) const {
    ARROW_DCHECK_GE(start, 0);
    ARROW_DCHECK_LE(static_cast<size_t>(start), index_to_value_.size());
    int64_t offset = start * static_cast<int32_t>(sizeof(Scalar));
    memcpy(out_data, index_to_value_.data() + offset, (size() - start) * sizeof(Scalar));
  }

  void CopyValues(Scalar* out_data) const { CopyValues(0, out_data); }