template<class T>
class LinkedList
{
 public:

 struct Node //узел
{
    ///
    private:
    T _value;
    std::shared_ptr<Node>_next;
    std::shared_ptr<Node>_prev;
};

class Iterator:public std::iterator<std::bidirectional_iterator_tag, T>
{
public:
////
Iterator& operator++(){node = node->_next; return*this; };
///
};
//
};