{ description = "A Nix-flake-based Nim development environment"; inputs = { flake-utils.url = "github:numtide/flake-utils"; nixpkgs.url = "github:NixOS/nixpkgs"; }; outputs = { self , flake-utils , nixpkgs }: flake-utils.lib.eachDefaultSystem (system: let pkgs = import nixpkgs { inherit system; }; in { devShell = pkgs.mkShell { buildInputs = with pkgs; [ nim ]; shellHook = '' ${pkgs.nim}/bin/nim --version ''; }; }); }