anchor.diff:  }:
   
   #
  -# The packages here are mostly grouped by primary programming language
  +# Library packages here are grouped by programming language
   # and sorted alphabetically within those groups.
   #
   
  
positive.code:     };
    };
  
    thumbor = (import ./thumbor { inherit pkgs newrelic-python statsd; }).thumbor;
  
    #
    # haskell
    #
  
    angel = pkgs.haskellPackages.callPackage ./angel {};
  
    myrapi = pkgs.haskellPackages.callPackage ./myrapi { inherit servant servantClient; };
    servant = pkgs.haskellPackages.callPackage ./servant {};
    servantClient = pkgs.haskellPackages.callPackage ./servant-client { inherit servant servantServer; };
    servantServer = pkgs.haskellPackages.callPackage ./servant-server { inherit servant waiAppStatic; };
    waiAppStatic = pkgs.haskellPackages.callPackage ./wai-app-static {};
  }
  
negative.code: 
    graphviz = pkgs.callPackage ./graphviz {};
  
    heavy-sync = with pythonPackages; pkgs.callPackage ./heavy-sync {
      inherit boto;
      inherit gcs-oauth2-boto-plugin;
      inherit sqlite3;
    };
  
    imagemagick = pkgs.callPackage ./ImageMagick {
      libX11 = null;
      ghostscript = null;
  