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

Nick Coghlan ncoghlan at gmail.com
Mon Nov 6 05:20:03 EST 2017

On 6 November 2017 at 19:14, Steven D'Aprano <steve at pearwood.info> wrote:
> On Mon, Nov 06, 2017 at 01:07:51PM +1000, Nick Coghlan wrote:
>> When we did the "insertion ordered hash map" availability review, the
>> main implementations we were checking on behalf of were Jython & VOC
>> (JVM implementations), Batavia (JavaScript implementation), and
>> MicroPython (C implementation). Adding IronPython (C# implementation)
>> to the mix gives:
> Shouldn't we check with Nuitka (C++) and Cython as well?

If you're using dicts as dicts, Cython just uses the CPython ones via
the C API, rather than defining its own.

I didn't do any specific research for C++ (since it's essentially the
king of fast low level data structure design, hence its popularity in
graphics programming), but did see a few references to C++ ordered
hash map implementations while looking into the available options for
other runtimes.


Nick Coghlan   |   ncoghlan at gmail.com   |   Brisbane, Australia

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