[Python-Dev] Guarantee ordered dict literals in v3.7?

[Serhiy Storchaka]

05.11.17 20:39, Stefan Krah пише:
> On Sun, Nov 05, 2017 at 01:14:54PM -0500, Paul G wrote:
>> 2. Someone invents a new arbitrary-ordered container that would improve on the memory and/or CPU performance of the current dict implementation
> 
> I would think this is very unlikely, given that the previous dict implementation
> has always been very fast. The new one is very fast, too.

The modification of the current implementation that don't preserve the 
initial order after deletion would be more compact and faster.