[Python-checkins] cpython (2.7): Closes #14306: clarify expensiveness of try-except and update code snippet

Nick Coghlan ncoghlan at gmail.com
Sun Mar 18 14:49:25 CET 2012


On Sun, Mar 18, 2012 at 1:58 AM, georg.brandl
<python-checkins at python.org> wrote:
> +catching an exception is expensive.  In versions of Python prior to 2.0 it was
> +common to use this idiom::

Actually, given the "prior to 2.0" caveat, "mydict.has_key(key)" is
right: the "key in mydict" version was only added in 2.2.

This answer probably needs more improvements than just modernising the
example that is already there.

Cheers,
Nick.

-- 
Nick Coghlan   |   ncoghlan at gmail.com   |   Brisbane, Australia


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