Singleton base

singleton.cpp

class S
{
    public:
        static S& getInstance()
        {
            static S    instance; // Guaranteed to be destroyed.
                                  // Instantiated on first use.
            return instance;
        }
    private:
        S();
        // Dont forget to declare these two. You want to make sure they
        // are unaccessable otherwise you may accidently get copies of
        // your singleton appearing.
        S(S const&);              // Don't Implement
        void operator=(S const&); // Don't implement
};