···11{ lib, stdenv, fetchFromGitHub, ocaml, findlib }:2233+lib.throwIf (lib.versionAtLeast ocaml.version "5.0")44+ "twt is not available for OCaml ${ocaml.version}"55+36stdenv.mkDerivation rec {47 pname = "ocaml${ocaml.version}-twt";58 version = "0.94.0";