example for https://notion.so/9b1cd390ebe24f239bc4e74e1388c0a6

main.cpp

// :glot
#include <iostream>
using namespace std;

auto main() -> int
{
    int i = 0;
    while (i < 10)
    {
        std::cout << i << " ";
        ++i;
    }
    std::cout << std::endl;
}