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Written by F04118F@feddit.nl on 2024-12-02 at 07:57

Is anyone else doing Advent Of Code in Nix?

https://feddit.nl/post/24765621

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Written by Gavin Masterson on 2024-12-02 at 08:18

@F04118F

If I can make the time, I will. But I know @ellyse is doing it. 🎅 👩‍💻

She did one last night live on stream.

https://ohai.social/@ellyse/113482901348671949

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Written by Ellyse on 2024-12-02 at 09:23

@gavin @F04118F yup! thats a link to a 2019 AoC, but here's my video for day 1 this year https://www.youtube.com/live/P_3rUzAN0vw?si=W0qxiwKeDHVN_2aQ

the code is here: https://github.com/ellyxir/advent_of_code/tree/main/2024/nix/day01

i looked at your solution, good work!

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Written by F04118F@feddit.nl on 2024-12-02 at 12:22

Your code looks awesome, I’m definitely going to steal some ideas from that, especially the lib.pipe really cleans up a lot of unnecessary bindings I did.

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Written by kintrix@linux.community on 2024-12-02 at 13:00

You can also use the pipe operators; but they are still experimental features.

foo (bar (baz x)) = x |> baz |> bar |> foo = foo <| bar <| baz <| x`

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Written by Ellyse on 2024-12-02 at 22:49

@F04118F which I promptly did away with because I couldn’t be arsed today lol

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Written by F04118F@feddit.nl on 2024-12-03 at 06:50

Nix regex sucks. Is there any package with a reasonable regex matchAll?

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Written by Ellyse on 2024-12-03 at 10:02

@F04118F is builtins.split lacking something or just difficult to use?

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Written by Ellyse on 2024-12-03 at 13:48

@F04118F if it’s for todays advent of code, I used split and it worked fine. See my live steam on YouTube or my GitHub .

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Written by F04118F@feddit.nl on 2024-12-03 at 22:08

Somehow I completely missed that split can do match groups…

Oopsie!

I did it in Python today but I did make a completely functional (and way too complicated) algorithm.

Tap for spoilerThe way you handle the do and dont is much cleaner

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Written by Ellyse on 2024-12-03 at 22:13

@F04118F if i had known about match i probably would have gotten stuck also lol but luckily i used split once before and remembered it :) i made an issue in your github, hope thats ok, just to mention this in case you didnt see it on fedi!

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Written by F04118F@feddit.nl on 2024-12-03 at 22:18

Yeah I was planning on changing the salty README and referencing your comment, thanks for putting the reminder there!

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Written by Atemu on 2024-12-04 at 10:36

That looks very lispy, is that intentional?

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Written by F04118F@feddit.nl on 2024-12-04 at 12:35

Yes, Nix is a pure functional programming language, like Lisp.

The reason for its existence is to allow for reproducible and repeatable builds of packages and configuration. This is the basis for nixpkgs, NixOS and Home Manager.

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