{ pkgs ? import { } }: let inherit (pkgs) lib; fenix = import (fetchTarball "https://github.com/soywod/fenix/archive/main.tar.gz") { }; mkToolchain = import ./rust-toolchain.nix { inherit lib fenix; }; rust = mkToolchain.fromFile; in pkgs.mkShell { buildInputs = with pkgs; [ nixd nixpkgs-fmt rust ]; }