Quentin

qsantos.frRust Gotcha: last() on DoubleEndedIterator - Quentin Santostl;dr: don’t call last() on a DoubleEndedIterator Edit: And, now it is a Clippy lint! How do you efficiently get the last part of a space-separated string in Rust? It will be obvious to some, but the ...

6 Jan 2025

🦀 I got surprised by calling last() on a DoubleEndedIterator. Now, it’s a Clippy lint! qsantos.fr/2025/01/01/r...

danluu.com/nothing-works/

16 Dec 2024

danluu.comWhy is it so hard to buy things that work well?

14 Dec 2024

My current computer is about as powerful as the 500th most powerful supercomputer in 2004.

qsantos.frRust Strings for C Programmers - Quentin SantosThis article will quickly explain the Rust types [T; N], &[T; N], &[T], Vec<T>, &Vec<T> with C code, and what the str, &str, String, OsString and CString add. Arrays and Slices Rust C [T; N] (array)Ex...

9 Dec 2024

I have often seen confusion between str and String in #Rustlang. Maybe this will help.

qsantos.frYou can move !Unpin - Quentin SantosAlthough I am now mostly comfortable with Rust, some concepts still elude me. One of them is the exact meaning of Unpin. The documentation says: The documentation of Unpin says: Types that do not requ...

Did you know that #RustLang lets you move !Unpin values?

Checking typos with #ChatGPT 4o feels a bit magical: > "Poll::Read(()),"should be "Poll::Ready(())."

Another one: > "Box::heap" in "like you would do with Box::heap" should likely be "Box::pin."

It sill hallucinated a typo, but it did pretty well; much better than previous versions.

Checking typos with #ChatGPT 4o feels a bit magical: > "Poll::Read(()),"should be "Poll::Ready(())."

I still would not trust it blindly, but it is definitely useful for findings things you can then check for yourself.

3 Dec 2024

Solved #AdventOfCode day 3 part 1 in one pass in #Rustlang. That code is so ugly. Part 2 is worse. And not passing for my input yet. Oh, well, I'll make it work. _Someway_

3 Dec 2024

Okay, turns out `pos < next_dont.unwrap_or(next_mul)` is not the same as `next_do < next_dont && pos < next_mul`. Should have been more careful with autocompleting that one with Copilot.

2 Dec 2024

The first days of #AdventOfCode are supposed to be easy. So, of course, I am over engineering to aim for best performance #rustlang

adventofcode.comAdvent of Code 2024

1 Dec 2024

Don’t forget to open your #AdventOfCode today! #rustlang