C++空类的大小

空类的大小

2007-03-11 14:31

class X
{
public:
protected:
private:
};

class Y:public  virtual X
{
public:
protected:
private:
};

class Z:public virtual X
{
public:
protected:
private:
};

class M:public  Y,public  Z
{
public:
protected:
private:
};

sizeof X == 1;

sizeof Y == 4;

sizeof Z == 4;

sizeof M == 0xc;