162. Modules, Xmake, CMake, constexpr, operator overloading

With Gianluca Delfino, Frances Buontempo, Vladimír Arnošt, Andrew Fodiman, Paul Etheridge and other colleagues.

Notes: https://cppclub.uk/meetings/2023/162/

Podcast: coming soon.

00:00 Intro
00:12 Timur Doumler's UB survey
02:11 Stop saying C/C++
06:37 Xmake 2.7.6
08:53 Makefile for modules
10:23 C++20 and Modules - Annileen Devlog
14:53 CMake support for modules
19:58 C++20 modules in Clang
20:53 C++20 best practices
24:54 Invalid optimisation in MSVC
27:53 Operator overloading
33:35 Template errors are verbose
34:33 Force inline in C++
36:35 Omnitrace
38:36 Regex performance
40:51 Eric Niebler asks about constexpr
41:47 C++20: consteval and constexpr functions
43:19 Ostrich algorithm