%Error: t/t_timing_func_bad.v:10:8: Delays are not legal in functions. Suggest use a task. IEEE 1800-2017 13.4.4
                                  : ... In instance t
   10 |       #1 $stop;
      |        ^
%Error: t/t_timing_func_bad.v:23:8: Delays are not legal in final blocks. IEEE 1800-2017 9.2.3
                                  : ... In instance t
   23 |       #1;
      |        ^
%Error: Exiting due to