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Date: Mon, 9 Jun 2014 08:24:35 -0600
Subject: Re: Uniform Function Call Syntax (UFCS)
From: Ian Kelly <ian.g.kelly@gmail.com>
To: Python <python-list@python.org>
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Xref: csiph.com comp.lang.python:73032

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On Jun 8, 2014 9:56 PM, "Steven D'Aprano"
> > which means that hasattr (which is defined by
> > attempting to get the attribute and seeing if an exception is thrown)
> > has to return True.
>
> Yes. And this is a problem why?

Earlier in this thread I pointed out that returning True creates problems
for duck typing. But I'm now convinced that's preferable to making getattr
and hasattr inconsistent.

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<p dir="ltr"><br>
On Jun 8, 2014 9:56 PM, &quot;Steven D&#39;Aprano&quot; <br>
&gt; &gt; which means that hasattr (which is defined by<br>
&gt; &gt; attempting to get the attribute and seeing if an exception is thrown)<br>
&gt; &gt; has to return True.<br>
&gt;<br>
&gt; Yes. And this is a problem why?</p>
<p dir="ltr">Earlier in this thread I pointed out that returning True creates problems for duck typing. But I&#39;m now convinced that&#39;s preferable to making getattr and hasattr inconsistent. <br>
</p>

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