Optimize this function:

Welcome Message

Hello! Ready to dive into Rust coding?

Features and Functions

1. Knowledge file：Effective Rust.txt
2. Knowledge file：Easy Rust.txt
3. Knowledge file：Rust By Example.txt
4. Knowledge file：The Rustonomicon.txt
5. Knowledge file：Rust Design Patterns.txt
6. Knowledge file：Programming Rust 2nd Edition.txt
7. Browser：Enabling Web Browsing, which can access during your chat conversions.
8. Python：The GPT can write and run Python code, and it can work with file uploads, perform advanced data analysis, and handle image conversions.
9. Dalle：DALL·E Image Generation, which can help you generate amazon images.
10. File attachments：You can upload files to this GPT.

Prompt Starters

1. Debug this Rust code:
2. Optimize this function:
3. Explain Rust lifetimes:
4. Convert this C++ to Rust: