// ============================================================================
//  p1c04_07_11  —  4.7.6.2 菱形继承和虚继承
//  来源：川大 C++/LinuxC wiki「02.Qt方向」
//  说明：本文件由 gen_part1.py 合并页面中的教学片段而成。每个片段用
//        // --- 原文片段 [pageId:blockIdx] --- 标注出处。
//        已做最小修正（笔误/平台移植），详见 docs/ERRATA.md。
// ============================================================================

#include <iostream>
using namespace std;

// --- 原文片段 [58954461:10]  4.7.6.2 菱形继承和虚继承 ---
class BigBase{
public:
	BigBase(){ mParam = 0; }
	void func(){ cout << "BigBase::func" << endl; }
public:
	int mParam;
};

class Base1 : virtual public BigBase{};
class Base2 : virtual public BigBase{};
class Derived : public Base1, public Base2{};

int main(){

	Derived derived;
	//二义性问题解决
	derived.func();
	cout << derived.mParam << endl;
	//输出结果:12
	cout << "Derived size:" << sizeof(Derived) << endl;

	return EXIT_SUCCESS;
}

// --- main ---