anchor.diff:        };
       };
   
  -
  -    # ----------
  -    # Work stuff
  -    # ----------
  -    #
  -    # The following are packages I'd like to install with `nix' but
  -    # that are not necessary for my development environment. Basically
  -    # work projects.
  -
  -    pinfold = haskellPackages.callPackage ~/work/snap_pinfold {};
  -    ybapp   = haskellPackages.callPackage ~/work/ybapp {};
  -
  -    chorebot = haskellPackages.callPackage ~/proj/chorebot_hs {};
  -
       nodejsEnv = with pkgs; buildEnv {
         name = "nodeEnv";
         paths = [
  
positive.code:       ];
      };
  
      libmjh = import ~/proj/util/libmjh {
        inherit stdenv;
      };
  
      # An example nix package that builds GNU's `hello'. See the
      # `example-pkg-hello' directory for how this is set up. Taken from
      # the Nix manual:
  
negative.code:     # To install all at once:
      # $ nix-env -iA nixpkgs.devEnv
  
      devEnv = buildEnv {
        name = "devEnv";
        paths = [
  