Core Foundation RAII

template<typename Ref>
struct ScopedCF
{
    public:
        ScopedCF(Ref r) : r(r) { }
        ~ScopedCF() { if (r) CFRelease(r); }

        operator Ref () const { return r; }
        Ref get() const { return r; }

    private:
        ScopedCF(const scoped_CF &);
        ScopedCF &operator= (const scoped_CF &);

        Ref r;
};