//********************************************************

// The following C++ code example uses all module artefacts.

// To understand it see

// C++20 - The Complete Guide

// by Nicolai M. Josuttis (www.josuttis.com)

// http://www.cppstd20.com

//

// The code is licensed under a

// Creative Commons Attribution 4.0 International License

// http://creativecommons.org/licenses/by/4.0/

//********************************************************

module; // start module unit with global module fragment

#include <iostream>

// module implementation unit:

module ModAll;

import :Name; // import internal partition to have type Name

namespace ModAll {

std::ostream& operator<< (std::ostream& strm, const Person& p)

{

return strm << '[' << p.name << ": " << p.value << ']';

}

}