例如我有这样的代码
class Base1
{
virtual void wonderFULL() = 0;
};
class Base2
{
// all this weird members
};
class Derived : public Base1, public Base2
{
// not so weird members
};
int main()
{
Derived Wonder;
magicFunction(&Wonder);
return 0;
}
void magicFunction(Base2 *ptr)
{
if (Base1 *b1 = dynamic_cast<Base1 *>(ptr))
b1->wonderFULL();
}
然而,由于无法将 ptr 转换为 b1,wonderFULL 从未执行过。是否有可能执行这样的转换?