anchor.diff:                      };
                     }) {};
                   };
  +                inherit all-cabal-hashes;
                 };
               };
           in {
  
positive.code: , useTextJSString ? true
  , iosSdkVersion ? "10.2"
  }:
  let nixpkgs = nixpkgsFunc ({
        inherit system;
        config = {
          allowUnfree = true;
  
negative.code:           webkitgtk = pkgs.webkitgtk216x;
            # cabal2nix's tests crash on 32-bit linux; see https://github.com/NixOS/cabal2nix/issues/272
            ${if system == "i686-linux" then "cabal2nix" else null} = pkgs.haskell.lib.dontCheck pkgs.cabal2nix;
            inherit all-cabal-hashes;
          };
        } // config;
      });
  