Testing std::list::remove_if() for memory organisation

list_remove_if.cpp

//
// Created by Barthap on 2019-01-22.
//

#include <utility>
#include <iostream>
#include <vector>
#include <list>

int main()
{
    std::list<int> lista = {1,2,3,4,5};
    for(auto& e : lista)
        std::cout << e << " ";
    std::cout << std::endl;

    auto it = std::find(lista.begin(), lista.end(), 4);
    int &ref = *it;

    std::cout << "ref = " << ref << std::endl;

    //std::remove_if(lista.begin(), lista.end(), [](auto& el) { return el == 2; });
    lista.remove_if([](auto& el) { return el == 2; });

    std::cout << "after remove, ref = " << ref << std::endl;

    auto it2 = std::find(lista.begin(), lista.end(), 4);
    std::cout << "Original address: " << std::addressof(ref)
        << "\nAfter remove: " << std::addressof(*it2) << std::endl;
    
    ref = 16;

    for(auto& e : lista)
        std::cout << e << " ";
    std::cout << std::endl;
}