singleton 기반 클래스 작성

// Singleton 기반 클래스 

// 나중에 singlton이 필요하면 언제든 참고하면됨

class S1Singleton

{

protected:

S1Singleton() {} // private 생성자

S1Singleton( const S1Singleton&){};  // 복사금지

public:

// 오직한개의객체를만들어넘겨주는static 멤버함수

static S1Singleton& GetInstance()

{

static S1Singleton Instace;

return Instace;

}

};

#define G_SINGLETONE S1Singleton::GetInstance()

//문제2

class S1Cursor : public S1Singleton

{

public:

int m_x;

int m_y;

public:

S1Cursor()

{

m_x = 0;

m_y = 0;

}

};

//#define G_CURSOR S1Cursor::GetInstance()

#define G_CURSOR (S1Cursor&)S1Cursor::GetInstance()