多态，操作符重载

#include"stdafx.h"
#include<iostream>

usingnamespacestd;
classBase
...{
public:
virtualBase&operator=(constBase&a)
...{
cout<<"Base="<<endl;
return*this;
}
};
classDevide:publicBase
...{
public:
virtualBase&operator=(constBase&a)
...{
cout<<"Devide=(override)"<<endl;
return*this;
}

Devide&operator=(constDevide&d)
...{
cout<<"Devide="<<endl;
return*this;
}
};

int_tmain(intargc,_TCHAR*argv[])
...{
DevidedObj1;
DevidedObj2;
/**//*BasebObj=dObj1;
Base&bObjRef=dObj1;*/
BasebObj;
Base&bObjRef=dObj1;
bObj=dObj2;
bObjRef=dObj2;
dObj2=dObj1;
return0;

}