Function bytes

cpp/src/arrow/util/bitmap.h:387–391

span of all bytes which contain any bit in this Bitmap

  /// span of all bytes which contain any bit in this Bitmap
  std::span<const uint8_t> bytes() const {
    auto byte_offset = offset_ / 8;
    auto byte_count = bit_util::CeilDiv(offset_ + length_, 8) - byte_offset;
    return {data_ + byte_offset, static_cast<size_t>(byte_count)};
  }

 private:
  /// span of all Words which contain any bit in this Bitmap