Method AppendOrNull

cpp/src/arrow/array/builder_base.h:45–48

\brief Append a value from an optional or null if it has no value.

 public:
  /// \brief Append a value from an optional or null if it has no value.
  Status AppendOrNull(const std::optional<V>& value) {
    auto* self = static_cast<Builder*>(this);
    return value.has_value() ? self->Append(*value) : self->AppendNull();
  }

  /// \brief Append a value from an optional or null if it has no value.
  ///