Shafik Yaghmour's Blog

Why Good Summaries are Important to a Pull Request Code Reviewers are a precious resource in an open source project, often they have limited bandwidth.

It is often said by those who have been around C++ for a long time that: “If the behavior of your program changes when using some level of optimization, then it is likely you have undefined behavior”.

Triaging clang C++ frontend bugs I have been triaging clang C++ frontend bugs for about a couple of years now and I wanted to share some of the lessons I have learnt in the hopes that others in the C++/LLVM community can feel less intimidated and get in on

Auto Auto Auto In my C++ quiz #237 I asked the following question #237 Given the following in C++: struct A{}; using T = auto() -> auto(*)() -> auto(*)() -> A; // Without checking, is this well-formed?

Let’s enumerate the UB Some time ago I started working on P1705 Enumerating Core Undefined Behavior, I have collected a large set of undefined behavior (UB) during that time.

Intro In Part 1: Enums In C++, Choice is Oft Beguiled I talked about how enums work in C++ and the various choices we have.

The Basics In C++ we have several different options for enum types.

I recently ran a C++ weekly quiz #198 with the following code: int main() { int arr[5]{1,2}; return arr[ [](){return 4;}() ]; // What does main return?

There are a lot of aspects of C++ that are not well understood and lead to all sorts of confusion.

CppCon 2021 was a hybrid format this year due to Covid-19 still not being done with us.