Video details

C++23 - What's In It For You? - Marc Gregoire - CppCon 2022

English ---
C++23 - What's In It For You? - Marc Gregoire - CppCon 2022
C++23, the next release of the C++ standard, is scheduled to be released in 2023. The update introduces new features to the core language and to the Standard Library. If you want to stay up to date with the latest features that are upcoming with this new release, then this session is for you.
The session includes core language topics such as consteval if statements, multidimensional subscript operators, decay copy, unreachable code, and more. New Standard Library features that will be shown include monadic operations for std::optional, std::flat_map, std::flat_set, a stacktrace library, changes to the ranges library, improvements to std::format, std::expected, and many more.
The session will include references to other sessions at CppCon, if applicable, for more deep-dive information on any particular topic. ---
Marc Gregoire
MARC GREGOIRE is a software project manager and software architect from Belgium. He graduated from the University of Leuven, Belgium, with a degree in "Burgerlijk ingenieur in de computer wetenschappen" (equivalent to a master of science in engineering in computer science). The year after, he received an advanced master’s degree in artificial intelligence, cum laude, at the same university. After his studies, Marc started working for a software consultancy company called Ordina Belgium. As a consultant, he worked for Siemens and Nokia Siemens Networks on critical 2G and 3G software running on Solaris for telecom operators. This required working in international teams stretching from South America and the United States to Europe, the Middle East, Africa, and Asia. Now, Marc is a software architect at Nikon Metrology (, a division of Nikon and a leading provider of precision optical instruments, X-ray machines, and metrology solutions for X-ray, CT, and 3-D geometric inspection.
His main expertise is C/C++, specifically Microsoft VC++ and the MFC framework. He has experience in developing C++ programs running 24/7 on Windows and Linux platforms: for example, KNX/EIB home automation software. In addition to C/C++, Marc also likes C#.
Since April 2007, he has received the annual Microsoft MVP (Most Valuable Professional) award for his Visual C++ expertise.
Marc is the founder of the Belgian C++ Users Group (, author of “Professional C++” 2nd, 3rd, 4th, and 5th Editions (Wiley/Wrox), co-author of “C++ Standard Library Quick Reference” 1st and 2nd editions (Apress), a technical editor for numerous books for several publishers, and a regular speaker at the CppCon C++ conference. He maintains a blog at and is passionate about traveling and gastronomic restaurants. __
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