The following code example is taken from the book
C++20 - The Complete Guide
by Nicolai M. Josuttis,
Leanpub, 2021
The code is licensed under a
Creative Commons Attribution 4.0 International License.
// raw code
#include <iostream>
import Square; // import module ``Square''
int main()
{
Square x = toSquare(42);
std::cout << x.getValue() << '\n';
}