anchor.diff:        universum = callPackage ({ base, bytestring, containers, deepseq, exceptions, ghc-prim, hashable, microlens, microlens-mtl, mkDerivation, mtl, safe, safe-exceptions, stdenv, stm, text, text-format, transformers, type-operators, unordered-containers, utf8-string, vector }:
         mkDerivation {
             pname = "universum";
  -          version = "0.7.0";
  -          sha256 = "2eb3398cafb621a0b8966e5d6af16989a3dac0ec7467c62fd3c9a127e84148b4";
  +          version = "0.9.0";
  +          sha256 = "b6ac8d57b20a030749af6a778192776f34466ce4ab5f60668ef2b8ea8a1195af";
             libraryHaskellDepends = [
               base
               bytestring
  
positive.code:           description = "Conduit interface for lzma/xz compression";
            license = stdenv.lib.licenses.bsd3;
          }) { lzma = pkgs.lzma; };
        math-functions = callPackage ({ base, deepseq, mkDerivation, primitive, stdenv, vector, vector-th-unbox }:
        mkDerivation {
            pname = "math-functions";
  
negative.code:             monad-loops
              mtl
              network
              text
              text-format
              time
  