lr-3

//
//  main.cpp
//  lr-3
//
//  Created by Nikita Korvyakov on 15.12.2020.
//  Copyright © 2020 Nikita Korvyakov. All rights reserved.
//
#include <iostream>
#include <list>
using namespace std;
template <typename T>
class __list {
private:
    list<T> mylist;
public:
    __list(list<T> mylist_) {
        for (auto i = mylist_.begin();i != mylist_.end();i++) {
            mylist.push_back(*i);
        }
    }
    void print() {
        for (auto i = mylist.begin();i != mylist.end();++i) {
            cout << *i << endl;
        }
    }
    T &operator [](int index) {
        auto it = mylist.begin();
        for (int i = 0;i < index;i++) {
            it++;
        }
        return *it;
    }
    T operator +(list<T> mylist_) {
        for (auto i = mylist_.begin();i != mylist_.end();++i) {
            mylist.push_back(*i);
        }
    }
    T operator !=(list<T> mylist_) {
        int counter = 0;
        auto iter = mylist.begin();
        if (mylist_.size() == mylist.size()) {
            for (auto i = mylist_.begin();i != mylist_.end();++i) {
                if (*iter == *i) {
                    counter++;
                }
            }
            if (counter == mylist.size())
                return false;
            else
                return true;
        }
        else
            return true;
    }
};
int main() {
    list <int> lists{ 1, 2, 3, 45, 5 };
    list <int> r2{ 1,2,3,5,8 };
    __list <int> r1(lists);
    r1.print();
    cout << "Вызов по индексу: " << endl;
    cout << r1[0] << endl;
    r1 + r2;
    cout << "Объединение двух списков: " << endl;
    r1.print();
    if (r1 != r2)
        cout << "r1!=r2" << endl;
    else
        cout << "r1==r2" << endl;
    return 0;
}