Singleton

template<class T>
class CSingleton {
private:
    static T* m_object = NULL;
public:
    CSingleton() = delete;
    ~CSingleton() = delete;
    CSingleton(const CSingleton&) = delete;
    CSingleton& operator= (const CSingleton&) = delete;
    static T* get_instance() {
        if(!m_object) m_object = new T();
        return m_object;
    }
};