C++ is one of the most powerful programming languages and it is being improved by every new C++ standard. The “Modern C++” term started with the release of the C++11 standards, and then extended further with the C++14, C++17, and C++20 standards. In the future C++23 is already on the horizon. Modern C++ consists of a lot of features of previous C++ standards too and, of course, those of the C…