On 2015-01-26, Peter Otten wrote:
> Adam Funk wrote:
>
>> On 2015-01-09, Ned Batchelder wrote:
>>
>>> On 1/9/15 9:44 AM, Adam Funk wrote:
>>>> This makes it a bit more trouble to use:
>>>>
>>>> if options.bar:
>>>> for b in options:bar
>>>> do_stuff(b)
>>>>
>>>> instead of
>>>>
>>>> for b in options.bar
>>>> do_stuff(b)
>>>
>>> This doesn't answer why the value defaults to None, and some people may
>>> recoil at it, but I've used:
>>>
>>> for b in options.bar or ():
>>> do_stuff(b)
>>
>> Do you mean "for b in options.bar or []:" ?
>
> Doesn't matter; in the context of a for loop any empty iterable would do.
Of course it would. Doh!
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