Mixin

Mixin

• 컴퍼지션 할 필요가 없음

• new 가능함

• has의 관계를 가질 수 있음 → with = has

mixin class Engine {
  int power = 1000;
}

class Car with Engine {}

void main() {
  Car c = Car();
  print(c.power);
}

mixin class Wheel {
  String name = "바퀴";
}

mixin class Engine {
  int power = 1000;
}

class Car with Engine, Wheel {}

void main() {
  Car c = Car();
  print(c.power);
  print(c.name);
}