i started learning rust with nixos, you can declare a shell.nix with everything needed for the environment, and those things will only be available in that folder.

there are caveats and annoyances to this like building a python environment costed me some time, because python packages sometimes require compling and all the shared libraries in nix are not in the right path (because you can have multiple versions installed) so you need to set some env vars to patch this.

nothing that gpt cannot solve.