{ lib, stdenv, fetchFromGitHub, cmake }: stdenv.mkDerivation rec { pname = "tl-expected"; version = "1.1.0"; src = fetchFromGitHub { owner = "TartanLlama"; repo = "expected"; rev = "v${version}"; hash = "sha256-AuRU8VI5l7Th9fJ5jIc/6mPm0Vqbbt6rY8QCCNDOU50="; }; nativeBuildInputs = [ cmake ]; meta = with lib; { description = "C++11/14/17 std::expected with functional-style extensions"; homepage = "https://tl.tartanllama.xyz/en/latest/api/expected.html"; license = licenses.cc0; platforms = platforms.all; maintainers = with maintainers; [ ]; }; }