this post was submitted on 19 Mar 2026
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Rust

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Feedback for first Rust Program (codeberg.org)
submitted 3 days ago* (last edited 2 days ago) by such0299@sh.itjust.works to c/rust@programming.dev
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Hello

I've been interested with Rust for the last year, but cannot find time to learn Rust.

Coming from Python, i have found my self quite difficult to learn Rust and grasp its concepts.

So, for the last couple of weeks, i have been able to spare some times to learn Rust, and created a mini project to parse Vendor OUI with Rust.

If you would be so kind to spare some of your time to review my code and give me some constructive feedback on how to tackle this, and some guidance for me about what i can improve because its not the rust way of doing things, i would be very happy. I want to improve my skills on Rust so i have another tools in my toolbox

This is not a promotion, because i believe there's another tools just like mine out there nor i want you to use my project, because this project is only for me to test my skill for using Rust.

Thank you in advanced :D

=== Additional text after posting ===

Thank you for those who reply, i really learned something new. I'll try to improve my code :D

Shout Out to Nous, Hades, Kwdg, BB_C

<3

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[–] such0299@sh.itjust.works 1 points 2 days ago

Box instead of String

I need to explore more about this. I really have no idea about this

Your parsing code looks both unrobust (potentially fragile hard-coded assumptions) and unnecessarily complex. Something much simpler can probably be done with some trivial regex usage.

My first approach is using regex, but it seems like overkill? because the data from https://standards-oui.ieee.org/oui/oui.txt is somehow already structured.

But i'll try the regex approach later.

Thank you :D