{ cabal }: cabal.mkDerivation (self: { pname = "semigroups"; version = "0.8.4"; sha256 = "0xphwxxzddgcw2hr4h60l3y27f1x032w049wkjs71f5hdypwapv4"; meta = { homepage = "http://github.com/ekmett/semigroups/"; description = "Haskell 98 semigroups"; license = self.stdenv.lib.licenses.bsd3; platforms = self.ghc.meta.platforms; maintainers = [ self.stdenv.lib.maintainers.andres ]; }; })