?? voidrtti.cpp
字號:
//: C24:Voidrtti.cpp
// From Thinking in C++, 2nd Edition
// Available at http://www.BruceEckel.com
// (c) Bruce Eckel 1999
// Copyright notice in Copyright.txt
// RTTI & void pointers
#include <iostream>
#include <typeinfo>
using namespace std;
class Stimpy {
public:
virtual void happy() {}
virtual void joy() {}
virtual ~Stimpy() {}
};
int main() {
void* v = new Stimpy;
// Error:
//! Stimpy* s = dynamic_cast<Stimpy*>(v);
// Error:
//! cout << typeid(*v).name() << endl;
} ///:~
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