{ cabal }: cabal.mkDerivation (self: { pname = "rosezipper"; version = "0.2"; sha256 = "1g6ppa8cappdbq9923lsac504dfjh0ks64gbm6qbihrc34f4zavc"; meta = { description = "Generic zipper implementation for Data.Tree"; license = self.stdenv.lib.licenses.bsd3; platforms = self.ghc.meta.platforms; }; })