삼항연산자 사용법.

void onoff() { state = (state == On) ? Off : On; }

편하다　참．
　

낙서．

class TV
{

enum Eng{ "Are we almost there?",

"Sorry to interrupt you.,",

"Can I ask you a questions?"};

Tv(State s = Off, int mc = 100) : state(s), volume(5)) {}

private:

};