anchor.diff:    services.autorandr = {
       enable = true;
     };
  -  
   
     # Configure keymap in X11
     # services.xserver.layout = "us";
  
positive.code: 
  {
    imports =
      [ 
        ./hardware-configuration.nix
      ];
    boot.loader.systemd-boot.enable = true;
  
negative.code:     gcc
      gnumake
      libtool
      ghc
    ];
  
    virtualisation.docker.enable = true;
  
    nixpkgs.config.allowUnfree = true;
  