FWIW, you can do it with dict already.
o = memo.setdefault(o, o)
On Tue, Dec 3, 2019 at 9:29 AM Soni L. <fakedme...@gmail.com> wrote:
>
> This is an odd request but it'd be nice if, given a set s = {"foo"},
> s["foo"] returned the "foo" object that is actually in the set, or
> KeyError if the object is not present.
>
> Even use-cases where you have different objects whose differences are
> ignored for __eq__ and __hash__ and you want to grab the one from the
> set ignoring their differences would benefit from this.
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--
Inada Naoki <songofaca...@gmail.com>
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