c++对象模型1

1. 代码示例

#include 
#include 

class X {};
class Y : public virtual X {};
class Z : public virtual X {};
class A : public Y, public Z {};

int main() {
    std::cout << "sizeof(X): " << sizeof(X) << "n";
    std::cout << "sizeof(Y): " << sizeof(Y) << "n";
    std::cout << "sizeof(Z): " << sizeof(Z) << "n";
    std::cout << "sizeof(A): " << sizeof(A) << "n";
    X x;
    Y y;
    Z z;
    A a;    
    return 0;
}

2. . 执行效果如下