countrycode.dart

void main() {
  const int flagOffset = 0x1F1E6;
  const int asciiOffset = 0x41;

  final codeToCountryEmoji = (code) {
      final char1 = code.codeUnitAt(0) - asciiOffset + flagOffset;
      final char2 = code.codeUnitAt(1) - asciiOffset + flagOffset;
      return String.fromCharCode(char1) + String.fromCharCode(char2);
  };

  print(codeToCountryEmoji("IN"));
}