{ inputs = { nixpkgs.url = "nixpkgs/nixos-unstable"; }; outputs = {nixpkgs, ...}: let system = "x86_64-linux"; pkgs = nixpkgs.legacyPackages.${system}; in { packages.${system} = { default = pkgs.callPackage ./package.nix {}; }; devShells.${system} = { default = pkgs.mkShell { nativeBuildInputs = [ ]; shellHook = '' ''; }; }; }; }