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Nix Rust

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20 Dec 2025
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21 Dec 2025
@vivekanandan_ks:matrix.orgvivekanandan_ks

Hi All
Yesterday, I started looking for setting up an environment to learn rust😅.

I dwelled on setting up the environment and basic build through the help of some wiki and mainly vimjoyer's video.
Here's a hello world template of mine.

https://github.com/vivekanandan-ks/ksv-rust-try/blob/main/flake.nix

I have these configured:
Devshells :

  1. using nixpkgs and cargo, rustc etc (only stable from nixpkgs)
  2. using fenix for the toolchain (since this can be used for stable, beta, nightly releases)

Packages:

  1. plain: pkgs.rustPlatform.buildRustPackage
  2. naersk
  3. fenix + plain
  4. fenix + naersk

Any suggestion or improvements over this please😅

07:57:06
@k900:0upti.meK900 Honestly if your goal is to learn Rust, just nix-shell -p rustc cargo 07:58:31
@vivekanandan_ks:matrix.orgvivekanandan_ksMy goal is to package mainly, also wanted to learn rust on the way😅08:03:36
@k900:0upti.meK900 If you want to package for nixpkgs, the only thing you can use is rustPlatform 08:04:12
@k900:0upti.meK900 No out of tree dependencies are allowed 08:04:24
@acidbong:envs.netAcid Bong
In reply to @vivekanandan_ks:matrix.org
My goal is to package mainly, also wanted to learn rust on the way😅
then it's just a matter of creating a package with rustPlatform.buildRustPackage and a devshell with inputsFrom = [thatPackage]; nativeBuildInputs = [rust-analyzer]; and a formatter of your choice (rustfmt or genemichaels)
08:12:13
@vivekanandan_ks:matrix.orgvivekanandan_ks

Looks like there's more for me to learn. But it somewhat feels easier than the rabbit hole I went for python packaging in nix🥲

Looks like rust toolchain ecosystem is better

08:52:19
24 Dec 2025
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@acidbong:envs.netAcid Bong i'd say there's less to learn (I find Fenix and such too convoluted for me) 05:02:36
@vivekanandan_ks:matrix.orgvivekanandan_ks

Yes.
It's just for trying out other toolchain like beta, nightly etc.
It's not that hard too😅.

But I went with naersk for local development.

05:07:10
@vivekanandan_ks:matrix.orgvivekanandan_ks

I'm scratching the absolute basics now ❤️ I love certain design so far.

I only know python before this. 😅

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