Function PrintTo

cpp/src/arrow/datum.cc:240–251

}

void PrintTo(const Datum& datum, std::ostream* os) {
  switch (datum.kind()) {
    case Datum::SCALAR:
      *os << datum.scalar()->ToString();
      break;
    case Datum::ARRAY:
      *os << datum.make_array()->ToString();
      break;
    default:
      *os << datum.ToString();
  }
}

std::string ToString(Datum::Kind kind) {
  switch (kind) {