{ cabal, transformers }: cabal.mkDerivation (self: { pname = "mtl"; version = "2.1.3.1"; sha256 = "1xpn2wjmqbh2cg1yssc6749xpgcqlrrg4iilwqgkcjgvaxlpdbvp"; buildDepends = [ transformers ]; meta = { homepage = "http://github.com/ekmett/mtl"; description = "Monad classes, using functional dependencies"; license = self.stdenv.lib.licenses.bsd3; platforms = self.ghc.meta.platforms; maintainers = [ self.stdenv.lib.maintainers.andres ]; }; })