No problem. Here's the primary source, by the way: https://isocpp.org/wiki/faq/big-picture#zero-overhead-principle https://isocpp.org/wiki/faq/big-picture#zero-

No problem. Here's the primary source, by the way: https://isocpp.org/wiki/faq/big-picture#zero-overhead-principle https://isocpp.org/wiki/faq/big-picture#zero-overhead-princi... > What you don’t use, you don’t pay for (in time or space) and further: What you do use, you couldn’t hand code any better.