Method UnsafeAppendEmptyValue

cpp/src/arrow/array/builder_binary.h:179–183

  }

  void UnsafeAppendEmptyValue() {
    const int64_t num_bytes = value_data_builder_.length();
    offsets_builder_.UnsafeAppend(static_cast<offset_type>(num_bytes));
    UnsafeAppendToBitmap(true);
  }

  /// \brief Append a sequence of strings in one shot.
  ///