Surely you are familiar with such a literary device as "novel in novel." But this is found not only in literature, but also in programming. Templates in C++ are, in fact, a whole language in a language (moreover, a Turing-complete language), which is worthy of individual books, and not just books - but masterpieces. And this despite the fact that metaprogramming is just one of many features provided to the programmer by modern C++ templates. One of these masterpieces can be safely considered a book that you hold in your hands. Despite the fact that the title modestly states - "second edition," this is a completely new book, reflecting the fact that over the past 15 years since the first edition, there have been a lot of changes, and first of all, these are dramatic changes in the C++ language itself