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//********************************************************
// The following code example is taken from the book
// 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 <vector>
module Mod1; // implementation unit of module Mod1
double Customer::sumPrice() const
{
double sum = 0.0;
for (const auto &od : orders) {
sum += od.count * od.price;
}
return sum;
}
double Customer::averagePrice() const
{
if (orders.empty()) {
return 0.0;
}
return sumPrice() / orders.size();
}
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