[Python-ideas] Add orderedset as set(iterable, *, ordered=False) and similarly for frozenset.

[Amaury Forgeot d'Arc]

2015-02-05 23:02 GMT+01:00 Chris Barker <chris.barker at noaa.gov>:

> Interesting -- somehow this message came through on the google group
> mirror of  python-ideas only -- so replying to it barfed.
>
> He's my reply again, with the proper address this time:
>
> On Wed, Feb 4, 2015 at 1:14 PM, Neil Girdhar <mistersheik at gmail.com>
>  wrote:
>
>> Hundreds of people want an orderedset (
>> http://stackoverflow.com/questions/1653970/does-python-have-an-ordered-set)
>> and yet the ordered sets that are in PyPI (oset, ordered-set) are
>> incomplete.  Please consider adding an ordered set that has *all* of the
>> same functionality as set.
>>
>
>
>> (If anyone wants to add a complete ordered set to PyPI that would also be
>> very useful for me!)
>>
>
> It seems like a good way to go here is to contribute to one of the
> projects already on PyPI -- and once you like it, propose that it be added
> to the standard library.
>
> And can you leverage the OrderedDict implementation already in the std
> lib? Or maybe better, the new one in PyPy?
>

PyPy dicts and sets (the built-in ones) are already ordered by default.

-- 
Amaury Forgeot d'Arc
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