Function value_length

cpp/src/arrow/array/array_nested.h:599–602

\brief Return the fixed-size of the values No matter the value of the index parameter, the result is the same. So even when the value at slot i is null, this function will return a non-zero size. \pre IsValid(i)

  ///
  /// \pre IsValid(i)
  int32_t value_length(int64_t i = 0) const {
    ARROW_UNUSED(i);
    return list_size_;
  }
  /// \pre IsValid(i)
  std::shared_ptr<Array> value_slice(int64_t i) const {
    return values_->Slice(value_offset(i), value_length(i));