anchor.diff:      # ngrok # TODO: 2.x
       # TODO: prometheus
       wget
  -
  +  ]) ++ (with pkgs.elmPackages; [
  +    elm
     ]) ++ (with pkgs.haskellPackages; [
       cabal2nix
       # TODO: idris
  
positive.code:     # Python
      python  # NOTE: `python2`
      python3 # NOTE: `python` (not `python3`)
      python35Packages.pip
      python35Packages.pygments
  
      # Shell
      bash
  
negative.code:     pointfree
      pointful
      purescript
    ]) ++ (with pkgs.python27Packages; [
      pywatchman
    ]) ++ (with pkgs.python35Packages; [
      pip
      pygments
    ]);
  
    services.nix-daemon.enable = true;
  