vlib/v/checker/tests/as_cast_option_result_unhandled_err.vv:11:6: error: ret_sum_result() returns `!Sum`, so it should have either an `or {}` block, or `!` at the end
    9 | }
   10 | 
   11 | _ := ret_sum_result() as int
      |      ~~~~~~~~~~~~~~~~
   12 | _ := ret_sum_option() as string