clang

In fact, CodeChecker is much more than just a front-end to Clang’s Static Analyzer (clangsa from here on…) - but using it just to drive clangsa is already awesome enough that I think you should use it to hunt for bugs in your C++ projects.

In this article, I’ll show how to set up and use CodeChecker for a quick one-off analysis of a CMake based C++ project, and outline how to use CodeChecker in a collaborative setting with the option of integrating it into a CI system. If you are not on C++, CodeChecker might still be for you, as it also supports multiple analyzers for e.g. Java, Python, Go, or JavaScript.

std::vector has the interesting property of allowing to be used with incomplete types to a small degree. However, many legacy (and not-so-legacy) code bases use it in ways which are not allowed by the standard, and which do start breaking with C++20. In this article I’ll explain the limitations, a mistake I’ve seen several times now and why this starts breaking now.

I recently needed to trace some error related to C++17 class template argument deduction and came across some corner cases. In this article, I document what I learned, show some “paradox” cases (which have nice, clean solutions as per the standard) and demonstrate a suspected Clang bug.