std::list::rend, std::list::crend

#include <algorithm>
#include <iostream>
#include <numeric>
#include <string>
#include <list>

int main()
{
    std::list<int> nums {1, 2, 4, 8, 16};
    std::list<std::string> fruits {"", "", ""};
    std::list<char> empty;

    //  list.
    std::for_each(nums.rbegin(), nums.rend(), [](const int n) { std::cout << n << ' '; });
    std::cout << '\n';

    //     list nums (  ),  .
    std::cout << " : "
              << std::accumulate(nums.rbegin(), nums.rend(), 0) << '\n';

    //     list fruits,     .
    if (!fruits.empty())
        std::cout << " : " << *fruits.rbegin() << '\n';

    if (empty.rbegin() == empty.rend())
        std::cout << "list 'empty' -  .\n";
}