Need reinterpret cast to perform pointer conversion from unrelated classes : object pointer « Class « C++

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C++ » Class » object pointerScreenshots 
Need reinterpret cast to perform pointer conversion from unrelated classes
  
class {};
class {};

int main(int argc, char** argv)
{
  int i = 3;

  X x;
  Y y;

  X* xp;
  Y* yp;

  xp = reinterpret_cast<X*>(yp);


  return (0);
}
  
    
  
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