Learn how to analyze C code and refactor it into memory-safe Rust with a practical example that prints operating system information cross-platform.
/explain, /refactor with specialized prompts and programming techniques make the Rust program print the macOS version, and improve its error handling and maintenance. No line of code is written, only using Duo prompts.
The C code was generated using GitLab Duo Code Suggestions in CLion.
Created with GitLab.com and Claude 3.5 for Duo Chat.
Resources
– Project with exercises, resources, solution:
– GitLab Duo:
– GitLab Duo Code Suggestions:
– GitLab Duo Chat:
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– GitLab Duo Use Cases:
Blog tutorials:
– Top tips for efficient AI-powered Code Suggestions with GitLab Duo:
– 10 best practices for using AI-powered GitLab Duo Chat
TOC:
0:00 Introduction to operating system versions
0:57 C code generated with Code Suggestions, it works
1:58 Ask Duo chat to /explain the code
3:05 Refine the /explain prompt
4:58 Refactor the C code
5:45 Refactor C into Rust
6:57 Copy refactored Rust code into Rust project
8:16 Ask Duo Chat: How to add winapi crate for Windows
9:33 Raw pointers on Windows? Can we make it safe?
10:50 cargo build fails on macOS – ask Duo Chat about OS_VERSION constant
12:45 Build/run works
14:03 /refactor add more error handling
17:18 Recap: Learned today
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