voidrtti.cpp

来自「很经典的书籍」· C++ 代码 · 共 21 行

//: C08:VoidRTTI.cpp
// 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;
} ///:~