#ifndef _SINGLY_LINKED_LISTS_OF_DOUBLY_LINKED_NODES_H
#define _SINGLY_LINKED_LISTS_OF_DOUBLY_LINKED_NODES_H

#include <ListOfDoublyLinkedNodes.h>

class SinglyLinkedListsOfDoublyLinkedNodes : public ListOfDoublyLinkedNodes {
    public:
                      SinglyLinkedListsOfDoublyLinkedNodes();

        virtual List *copy();

        virtual void  append(List *, List *);
        virtual void  insert(List *, List *);
        virtual List *obtain(List *);

                List *getNext();
                void  setNext(List *);

        virtual      ~SinglyLinkedListsOfDoublyLinkedNodes();

    protected:
        virtual List *setListNumber(int);
        virtual int   getListNumber(List *);
    
    private:
                List *next;
};
#endif