singleton class in C++

class CMySingleton
{
public:
  static CMySingleton& Instance()
  {
    static CMySingleton singleton;
    return singleton;
  }

// Other non-static member functions
private:
  CMySingleton() {};                                 // Private constructor
  CMySingleton(const CMySingleton&);                 // Prevent copy-construction
  CMySingleton& operator=(const CMySingleton&);      // Prevent assignment
};