//********************************************************
// The following code example is taken from the book
//  C++23 - The Complete Guide
//  by Nicolai M. Josuttis (www.josuttis.com)
//  https://www.cppstd23.com
//
// The code is licensed under a
//  Creative Commons Attribution 4.0 International License
//  https://creativecommons.org/licenses/by/4.0/
//********************************************************


#include <iostream>   // for std::cout
#include <format>     // for std::format
#include <print>      // for std::print
#include <tuple>      // for std::tuple
#include <utility>    // for std::pair

int main ()
{
  std::tuple t{47, 0.4, "hi", '?'};    // 4-element tuple
  std::cout << std::format("{}\n", t); 
  std::cout << std::format("{:_^25}\n", t);
  std::println("{:_^25}\n", t); 

  std::println("default: {}", t);
  std::println("{{:n}} :   {:n}\n", t);

  std::pair p{"val", 11};             // could also be a 2-elem tuple
  std::println("default: {}", p);
  std::println("{{:n}} :   {:n}", p);
  std::println("{{:m}} :   {:m}\n", p);
}