Rust match Tips: Handling Vectors by Length
- June 6, 2025
- 6 min read
- Rust programming
You’re writing a Rust function that takes a Vec<T> and depending on how many elements are in it (say 1 to 4), you want to do different things. Maybe call different functions, maybe pass elements into different handlers. But anything outside of that range? That’s an error. You’ve probably done this: