Function PersonFromString

cpp/src/arrow/util/reflection_test.cc:150–152

void PrintTo(const Person& obj, std::ostream* os) { *os << ToString(obj); }

std::optional<Person> PersonFromString(std::string_view repr) {
  return FromStringImpl<Person>("Person", repr, kPersonProperties).obj_;
}

TEST(Reflection, EqualityWithDataMembers) {
  Person genos{19, "Genos"};