当用引用传参时候,内存会有错误
代码如下:
#include <iostream>
using namespace std;
class A
{
protected:
int i;
public:
A(){ i = 99; }
};
class B :public A
{
public:
void BF(){cout << i << endl; }//内存错误
};
class C
{
private:
B &b;
public:
C(B &b) :b(b)//********这里用应用传参***********运行会错误
{
}
void CF(){ b.BF(); }
};
class D :
public B, public C
{
public:
D() :
B(), C(*this)
{
CF();
}
};
int main(int argc, char* argv[])
{
D d;
return 0;
}
代码如下:
#include <iostream>
using namespace std;
class A
{
protected:
int i;
public:
A(){ i = 99; }
};
class B :public A
{
public:
void BF(){cout << i << endl; }
};
class C
{
private:
B *b;
public:
C(B *b) :b(b)//********这里用引用传参***********运行会错误
{
}
void CF(){ b->BF(); }
};
class D :
public B, public C
{
public:
D() :
B(), C(this)
{
CF();
}
};
int main(int argc, char* argv[])
{
D d;
return 0;
}原文:http://blog.csdn.net/ganze_12345/article/details/19237829