{ cabal }: cabal.mkDerivation (self: { pname = "prelude-extras"; version = "0.4"; sha256 = "0mzsc9pzcamaa7i3g9hkajy35sbpqdjrflv6r98r8hhlr0yrdjan"; meta = { homepage = "http://github.com/ekmett/prelude-extras"; description = "Haskell 98 - higher order versions of Prelude classes"; license = self.stdenv.lib.licenses.bsd3; platforms = self.ghc.meta.platforms; }; })