title: Can a class containing virtual function made singleton?
body: <p>Can a class containing virtual function made singleton?</p>
  
  <p>Simply</p>
  
  <pre><code>class A:public B
  {
     public:
     virtual fun();  //will be defined by this class (inherited from Class B)
  }
  </code></pre>
  
  <p>Can i make this class singleton?</p>