Chanelling Guido - dict subclasses
Terry Reedy
tjreedy at udel.edu
Tue Jan 14 22:48:09 EST 2014
On 1/14/2014 8:27 PM, Steven D'Aprano wrote:
> In the midst of that discussion, Guido van Rossum made a comment about
> subclassing dicts:
>
> [quote]
> From: Guido van Rossum <guido at python.org>
> Date: Tue, 14 Jan 2014 12:06:32 -0800
> Subject: Re: [Python-Dev] PEP 460 reboot
>
> Personally I wouldn't add any words suggesting or referring
> to the option of creation another class for this purpose. You
> wouldn't recommend subclassing dict for constraining the
> types of keys or values, would you?
> [end quote]
>
> https://mail.python.org/pipermail/python-dev/2014-January/131537.html
>
> This surprises me,
I was slightly surprised too. I understand not wanting to add a subclass
to stdlib, but I believe this was about adding words to the doc. Perhaps
he did not want to over-emphasize one particular possible subclass by
putting the words in the doc.
--
Terry Jan Reedy
More information about the Python-list
mailing list