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Date: Sat, 28 Feb 2015 19:58:25 +1100
Subject: Re: Python Worst Practices
From: Chris Angelico <rosuav@gmail.com>
Cc: Python <python-list@python.org>
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Xref: csiph.com comp.lang.python:86615

On Sat, Feb 28, 2015 at 7:48 PM, Ian Kelly <ian.g.kelly@gmail.com> wrote:
> On Fri, Feb 27, 2015 at 9:42 PM, Dan Sommers <dan@tombstonezero.net> wrote:
>> I don't think I've ever used the builtin function id in a program.
>> Ever.  Not even once.  Honestly, what is a valid use case?
>
> If you have a dict that you want to key on object identity rather than
> equality, then you can use object ids as the keys.

And not forget to hang onto references to all those objects, else
their ids will be meaningless.

ChrisA