add walkthrough post

marekzan · marekzan · commit b595d76dbf89 · 2025-09-25T13:35:00.000+02:00
diff --git a/draft/2025-10-01-this-week-in-rust.md b/draft/2025-10-01-this-week-in-rust.md
@@ -48,6 +48,7 @@ and just ask the editors to select the category.
 ### Observations/Thoughts
 
 ### Rust Walkthroughs
+[Under the hood: Vec<T>](https://marma.dev/articles/2025/under-the-hood-vec-t)
 
 ### Research
 
