{ description = "A Rust project with LSP"; inputs = { nixpkgs.url = "github:NixOS/nixpkgs/nixos-23.11"; flake-utils.url = "github:numtide/flake-utils"; }; outputs = { self, nixpkgs, flake-utils, ... }@inputs: flake-utils.lib.eachDefaultSystem (system: let pkgs = import nixpkgs { inherit system; }; in { devShell = pkgs.mkShell { buildInputs = with pkgs; [ rustc cargo rust-analyzer ]; shellHook = '' echo "Rust and Rust Analyzer are ready!" ''; }; }); }