[Python-Dev] PEP 468

Guido van Rossum gvanrossum at gmail.com
Mon Jun 13 17:34:56 EDT 2016

Can someone block Franklin until his mailer stops resending this message?

--Guido (mobile)
On Jun 13, 2016 2:26 PM, "Franklin? Lee" <leewangzhong+python at gmail.com>

> I am. I was just wondering if there was an in-progress effort I should be
> looking at, because I am interested in extensions to it.
> P.S.: If anyone is missing the relevance, Raymond Hettinger's compact
> dicts are inherently ordered until a delitem happens.[1] That could be
> "good enough" for many purposes, including kwargs and class definition. If
> CPython implements efficient compact dicts, it would be easier to propose
> order-preserving (or initially-order-preserving) dicts in some places in
> the standard.
> [1] Whether delitem preserves order depends on whether you want to allow
> gaps in your compact entry table. PyPy implemented compact dicts and
> chose(?) to make dicts ordered.
> On Saturday, June 11, 2016, Eric Snow <ericsnowcurrently at gmail.com> wrote:
>> On Fri, Jun 10, 2016 at 11:54 AM, Franklin? Lee
>> <leewangzhong+python at gmail.com> wrote:
>> > Eric, have you any work in progress on compact dicts?
>> Nope.  I presume you are talking the proposal Raymond made a while back.
>> -eric
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