Function field

cpp/src/arrow/type.cc:3336–3341

}

std::shared_ptr<Field> field(std::string name, std::shared_ptr<DataType> type,
                             bool nullable,
                             std::shared_ptr<const KeyValueMetadata> metadata) {
  return std::make_shared<Field>(std::move(name), std::move(type), nullable,
                                 std::move(metadata));
}

std::shared_ptr<Field> field(std::string name, std::shared_ptr<DataType> type,
                             std::shared_ptr<const KeyValueMetadata> metadata) {