title: When to use static member function?
body: <blockquote>
    <p><strong>Possible Duplicates:</strong><br>
    <a href="https://stackoverflow.com/questions/2315166/where-would-you-use-a-friend-function-vs-a-static-function">Where would you use a friend function vs a static function?</a><br>
    <a href="https://stackoverflow.com/questions/4723143/c-static-member-functions">C++: static member functions</a>  </p>
  </blockquote>
  
  
  
  <p>When is it appropriate to use a static member function in C++? Please give me a real world example.</p>