anchor.diff:              (maintainedPkgNames pkgs.haskellPackages));
         };
       }
  -  ]);
  +  ];
   
   in jobs
  
positive.code:         ;
  
        elmPackages.elm = pkgsPlatforms.elmPackages.elm;
      }
      (versionedCompilerJobs {
        # Packages which should be checked on more than the
        # default GHC version. This list can be used to test
  
negative.code: 
    recursiveUpdateMany = builtins.foldl' lib.recursiveUpdate {};
  
    jobs = recursiveUpdateMany [
      (mapTestOn {
        haskellPackages = packagePlatforms pkgs.haskellPackages;
        haskell.compiler = packagePlatforms pkgs.haskell.compiler;
  
  