Guido van Rossum guido at python.org
Thu Sep 8 17:25:07 EDT 2016

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On Thu, Sep 8, 2016 at 1:36 PM, Guido van Rossum <guido at python.org> wrote:
> IIUC there's one small thing we might still want to change somewhere
> after 3.6b1 but before 3.6rc1: the order is not preserved when you
> delete some keys and then add some other keys. Apparently PyPy has
> come up with a clever solution for this, and we should probably adopt
> it, but it's probably best not to hurry that for 3.6b1.

It turns out I was mistaken. Naoki's implementation *does* preserve
order across deletions. So we are already up to the standard set by
PyPy. Go Naoki!!

PS. As a consequence we're also going to change 520. Sit tight!

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--Guido van Rossum (python.org/~guido)

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