C++23 - The Complete Guide

Preview available soon: C++23 - The Complete Guide by Nicolai M. Josuttis Giving guidance on how to use the new language and library features of C++23 For programmers, who already know C++ and want to switch to the brand new features of C++23 This book is written and published incrementally (step-by-step) at leanpub, so that you can benefit from it without waiting until all is done. The first public version will be available end of 2025. You could buy the ebook for a reduced price and get all ebook updates for free.

C++23 is the latest evolution in modern C++ programming, which is more and more supported by the latest versions of GCC, Clang, and Visual C++. C++23 is the first release after introducing several new key fetaures with C++20, which can be seen as the beginning of a new release cycle. It contains both significant extensions and improvement of various features introduced with C++20 and a couple of new language and library features. As usual, not everything is self-explanatory, combining new features gives even more power, and there are hidden traps. This book presents all the new language and library features of C++23. It covers the motivation and context of each new feature with examples and background information. The focus is on how these features impact day-to-day programming, what it means to combine them, and how to benefit from C++23 in practice. Nicolai M. Josuttis is well known in the programming community for his authoritative books and talks. For more than 25 years he is a member of the C++ Standard Committee. He is the (co-)author of several worldwide best-sellers, including C++20 - The Complete Guide, all new language and library features of C++20 C++17 - The Complete Guide, all new language and library features of C++17 C++ Move Semantics - The Complete Guide, all aspects of move semantics in one book The C++ Standard Library, the book about the C++ Standard Library, first publication in 1999 C++ Templates - The Complete Guide (with David Vandevoorde and Doug Gregor), the book about templates

Planned Table of Content (existing content in blue):

• New "Hello, World"
• Modules std and std.compat
• Formatted Output Extensions
  • std::print() and std::println()
  • Formatted output for collections, tuples, and pairs
  • Extended formatted output for strings
  • UTF-8 support
  • Implementing a range formatter
  • Concept formattable
• std::mdspan and span streams
• Flat Sets and Flat Maps
• std:expected<>
• Monadic operations for std::optional<> and std::expected<>
• std::stacktrace
• New features for ranges and views:
  • New Views
  • std::ranges::to<>()
  • Improved const support
  • New issues with views
  • The Filter View Fiasco
• std::generator<> coroutine interface
• auto() and auto{}
• Deducing this and recursive lambdas
• if consteval
• Fixed range-based for loop
• Other small Features
  • static operators () and []

Note that you can also book advanced taylored inhouse trainings about Modern C++ and C++23 (both the language and its standard library) .