关于派生类大小问题
Class A
{};
Class B
{};
Calss D
{};
Class C:public A,public B
{};

Sizeof(C) = 1 //?????

//如果class C :public A
{};
Sizeof(C) = 1;

//如果 class C:public A,public B public D
{};
Sizeof(C) = 2; // ????


测试环境VS2010

[解决办法]
google"空基类优化"