[Python-Dev] Making PyInterpreterState an opaque type

[Victor Stinner]

Le mar. 19 févr. 2019 à 11:57, INADA Naoki <songofacandy at gmail.com> a écrit :
> On the other hand, it makes sense to move _PyTuple_ITEMS to (3) or even (2).
> PyTuple_ITEMS(t) seems better than &PyTuple_GET_ITEM(t, 0).

Please don't use &PyTuple_GET_ITEM() or _PyTuple_ITEMS(). It prevents
to use a more efficient storage for tuple. Something like:
https://pythoncapi.readthedocs.io/optimization_ideas.html#specialized-list-for-small-integers

PyPy already has the issue right now.

Victor
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