{ lib, buildDunePackage, fmt, lun, ppxlib }: buildDunePackage { pname = "ppx_lun"; inherit (lun) version src; propagatedBuildInputs = [ lun ppxlib ]; checkInputs = [ fmt ]; doCheck = true; meta = lun.meta // { description = "Optics with lun package and PPX"; license = lib.licenses.mit; }; }