nah, it works
so that we have a bit of performance boost and makes a single would work
let you access desc
try to always use desc to make describe and would more similar
oh, thanks for making caller consistent!

previously, since the caller could be main, and in that case, we should
use Pork::Executor as the parent instead of main. now we always call
from Pork::Executor, so we could always use self as the parent.
well, guess let's just call flunk
docs...