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Date: Wed, 12 Mar 2014 13:10:23 +1100
Subject: Re: Tuples and immutability
From: Chris Angelico <rosuav@gmail.com>
Cc: "python-list@python.org" <python-list@python.org>
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On Wed, Mar 12, 2014 at 1:01 PM, Rick Johnson
<rantingrickjohnson@gmail.com> wrote:
> On Thursday, February 27, 2014 4:18:01 PM UTC-6, Ian wrote:
>> x += y is meant to be equivalent, except possibly in-place and more
>> efficient, than x = x + y.
>
> In an ideal world, the speed of these two codes should be the same, of course i'm "assuming" that most competent language designers would optimise the slower version.
>

Except that they don't mean the same thing, so it's not an optimization target.

ChrisA