#include <iostream>

#include <cstdlib> // EXIT_SUCCESS

#include <string>

#include <cstdint> // std::uint64_t

#include "utility/repeat.hpp"

void printHello() { std::cout << "Hello, world\n"; } // simple function

void (*helloPtr)() = printHello; // pointer to simple function

void printNum(int num) { std::cout << num << " "; } // print the number passed to function

const void calcFactorial(bool print) {

}

void advanceFactorial() { calcFactorial(false); }

void printFactorial() { calcFactorial(true); }

class Factorial {

};

constexpr auto printLn = [] () { std::cout << std::endl; };

constexpr auto printStr = [] (std::string str) { std::cout << str << std::endl; };

int main() {

}