{ inputs = { nixpkgs.url = "github:NixOS/nixpkgs/nixos-23.11"; flake-utils.url = "github:numtide/flake-utils"; }; outputs = { self, nixpkgs, flake-utils, }: flake-utils.lib.eachDefaultSystem ( system: let pkgs = (import nixpkgs) { inherit system; }; in { devShell = pkgs.mkShell { packages = with pkgs; [ # Rust toolchain cargo rustc # Code analysis tools rust-analyzer clippy # Code formatting tools treefmt alejandra mdl rustfmt ]; }; } ); }