#ifndef LIST_H
#define LIST_H

#include <iostream>
#include "listNode.h"

using namespace std;


// Definition for Class List
class List {
private: // Each object contains two values
    ListNode *first;  // Pointer to first ListNode object in List
    ListNode *last;    // Pointer to last ListNode object in List
public: // Member functions
    List();
    List(const List&);
    ~List();
    List operator=(const List &);
    friend ostream & operator<<(ostream &, const List &);
    friend istream & operator>>(istream &, List &);
    List operator+(const List &);
    void InsertAfterNode(ListNode *, int);
    void InsertFront(int);
    void InsertSorted(int);
    void InsertAtEnd(int);
    ListNode* GetFirst() const;
    void Concatenate(const List &);
    void Erase();
};

#endif // LIST_H