🚀 go-pugleaf

"Omer Azhar Qureshi" <oaq@systemeltd.com.pk> writes:

> class Singleton
> {
>     public:
>         static Singleton * Instance ();
>     protected:
>         Singleton ();
>     private:
>         static Singleton* _instance;
> 
> };

public class Singleton {

  protected Singleton() { }

  private Singleton _inst = null;

  public static Instance() {
    if (_inst == null)
      _inst = new Singleton();
    return _inst;
  }

}

Note: The use of static means you need a separate Instance() for each
subclass - you could use a Factory instead if you like.