{ 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; }; inherit (pkgs) mkShell nim; in { devShells = { default = mkShell { buildInputs = [ nim ]; shellHook = '' ${nim}/bin/nim --version ''; }; }; }); }