class UsporadanyKontejner{
    std::deque<T> pole;
public:


    class iterator{
        size_t indexPozice;
    public:
        iterator() {}

        bool operator==(iterator& it2){
            return indexPozice == it2.indexPozice;
        }
        bool operator!=(iterator& it2){
            return !(operator==(it2));
        }
        iterator& operator++(){
            indexPozice++;
            return *this;
        }
        T& operator*(){
            return pole[indexPozice];
        }
    };