Country.code2Letters constructor

Country.code2Letters(String code2Letters)

Implementation

factory Country.code2Letters(String code2Letters) {
  if (code2Letters.isNotEmpty &&
      countriesFrench.keys.any((element) => element == code2Letters) ==
          false) {
    throw 'unknown country';
  } else if (code2Letters.isEmpty) {
    return Country.emptyCountry;
  } else {
    return Country._(code2Letters);
  }
}