As a long time C++ programmer is very much appreciate expert C++ advice, even if it comes from someone who hates C++. This was great, and I would like to add t

As a long time C++ programmer is very much appreciate expert C++ advice, even if it comes from someone who hates C++. This was great, and I would like to add that any good programmer should know that it is easily possible to run out of stack space, especially with recursion.