and a comprehensive index allowing for easy review. You won¿t find any technical jargon, bloated samples, drawn out history lessons, or witty stories in this book. What you will find is a language reference that is concise, to the point, and highly accessible. The book is packed with useful information and is a must-have for any C++ programmer. What You'll Learn Discover the key C++20 features Work with concepts to constrain template arguments Use modules as a replacement for header files Take advantage of the three-way comparison operator Create immediate functions using the consteval keyword Make use of constexpr, constinit and designated initializers Who This Book Is For Experienced C++ programmers. Additionally, this is a concise, easily-digested introduction for other programmers new to C++.