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 Mod3;
int main()
{
Customer c1{"Kim"};
c1.buy("table", 59.90);
c1.buy(4, "chair", 9.20);
c1.print();
std::cout << " Average: " << c1.averagePrice() << '\n';
}