lst-0013-godb.cpp
//#(compile) c++; compiler:g132; options:-O3 -std=c++23; libs:-
// https://godbolt.org/z/jz1Gqo7d9
#include <iostream>
#include <vector>
#include <algorithm>
int main() {
std::vector<int> c{ 1,2,3,4 };
std::ranges::for_each(c, [](auto &n) { n*=n; }); // (ERR) modifying
std::cout << c[3] << '\n'; // Output: 16
}