'isimmutable' and 'ImmutableNester'

[Chris Angelico]

On Tue, Nov 12, 2013 at 11:17 AM, Steven D'Aprano
<steve+comp.lang.python at pearwood.info> wrote:
> On Mon, 11 Nov 2013 12:55:56 -0800, Ned Batchelder wrote:
>
>> On Monday, November 11, 2013 3:47:45 PM UTC-5, Frank-Rene Schäfer wrote:
>>> I prepared a PEP and was wondering what your thoughts are about it:
>>
>> The best place to discuss proposals for changes to the Python language
>> and library is the Python-Ideas mailing list:
>> https://mail.python.org/mailman/listinfo/python-ideas
>
> Actually it is recommended to get at least initial feedback here first,
> to weed out proposals like:
>
> "Python ought to allow function currying, like in Haskell."
>
> "You mean like functools.partial?"
>
> "Oh, never mind then."

aka "Guido's Time Machine" situations. I think this might be one of
them - I read the proposal and thought "Hashability should answer
that", and random832 also posted the same. Love that time machine!

ChrisA