{ config, lib, ... }: { options = { loaOfInt = lib.mkOption { type = lib.types.loaOf lib.types.int; }; result = lib.mkOption { type = lib.types.str; }; }; config = { loaOfInt = [ 1 2 3 4 5 6 7 8 9 10 ]; result = toString (lib.attrValues config.loaOfInt); }; }