[issue21145] Add the @cached_property decorator

[Omer Katz]

Omer Katz <omer.drow at gmail.com> added the comment:

I believe so.
Let's do it :)

‫בתאריך יום ב׳, 14 במאי 2018 ב-19:30 מאת ‪Carl Meyer‬‏ <‪
report at bugs.python.org‬‏>:‬

>
> Carl Meyer <carl at oddbird.net> added the comment:
>
> > I don't think it makes sense to try to make cached_property itself work
> implicitly with both normal attributes and slot entries - instead,
> cached_property can handle the common case as simply and efficiently as
> possible, and the cached_slot case can be either handled separately or else
> not at all.
>
> So it sounds like the current approach here is good to move forward? If I
> update the patch during the PyCon sprints, we could merge it?
>
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> <https://bugs.python.org/issue21145>
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