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Re: Chanelling Guido - dict subclasses

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From Terry Reedy <tjreedy@udel.edu>
Subject Re: Chanelling Guido - dict subclasses
Date Tue, 14 Jan 2014 22:48:09 -0500
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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@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

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Thread

Chanelling Guido - dict subclasses Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2014-01-15 01:27 +0000
  Re: Chanelling Guido - dict subclasses Ned Batchelder <ned@nedbatchelder.com> - 2014-01-14 21:04 -0500
  Re: Chanelling Guido - dict subclasses Terry Reedy <tjreedy@udel.edu> - 2014-01-14 22:48 -0500
  Re: Chanelling Guido - dict subclasses F <f@hop2it.be> - 2014-01-15 07:00 +0000
  Re: Chanelling Guido - dict subclasses Peter Otten <__peter__@web.de> - 2014-01-15 09:40 +0100
    Re: Chanelling Guido - dict subclasses John Ladasky <john_ladasky@sbcglobal.net> - 2014-01-15 08:51 -0800
      Re: Chanelling Guido - dict subclasses Peter Otten <__peter__@web.de> - 2014-01-15 19:35 +0100
      Re: Chanelling Guido - dict subclasses Devin Jeanpierre <jeanpierreda@gmail.com> - 2014-01-15 22:30 -0800
  Re: Chanelling Guido - dict subclasses Mark Lawrence <breamoreboy@yahoo.co.uk> - 2014-01-15 09:10 +0000
  Re: Chanelling Guido - dict subclasses Tim Chase <python.list@tim.thechases.com> - 2014-01-15 05:03 -0600
  Re: Chanelling Guido - dict subclasses Daniel da Silva <var.mail.daniel@gmail.com> - 2014-01-15 19:50 -0500
    Re: Chanelling Guido - dict subclasses Gregory Ewing <greg.ewing@canterbury.ac.nz> - 2014-01-16 17:17 +1300

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