DBZ - Operator Overloading/Overriding

main.dart

class Saiyan {
  Saiyan({this.name, this.power});

  Saiyan.superForm(this.name) : power = 10000;

  final String name;
  final int power;

  Saiyan operator +(Saiyan otherSaiyan) {
    return Saiyan(
      name: '$name${otherSaiyan.name}',
      power: power + otherSaiyan.power,
    );
  }

  @override
  String toString() => 'Saiyan $name Power Level : $power';
}

void fight(Saiyan saiyan1, Saiyan saiyan2) {
  if (saiyan1.power > saiyan2.power) {
    print('${saiyan1.name} wins');
  } else {
    print('${saiyan2.name} wins');
  }
}

void main() {
  final Saiyan goku = Saiyan(name: 'Goku', power: 8000);
  print(goku);

  final Saiyan vegeta = Saiyan(name: 'Vegeta', power: 6000);
  print(vegeta);

  final Saiyan broly = Saiyan.superForm('Broly');
  print(broly);

  final Saiyan gogeta = goku + vegeta;
  
  fight(gogeta, broly);
}