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> Well. itertools._tee is one Python object and
> itertools._tee_dataobject is another Python object. sys.getsizeof()
> gives you the memory usage of this objects separately.
This is great... And how do I know that I need to use gc.get_referents()
to get those objects in case I'm measuring the memory consumption of a
teeobject (rather than, say, trusting __dict__, or simply trusting the
getsizeof() output at face value)?
If sys.getsizeof() is only useful for people who know *already* how an
object is implemented internally, then it's actually useless, because
those people can just as well do the calculation themselves.