[Python-ideas] Default return values to int and float
Nick Coghlan
ncoghlan at gmail.com
Wed Oct 5 19:25:52 CEST 2011
On Oct 5, 2011 10:32 AM, "Ethan Furman" <ethan at stoneleaf.us> wrote:
>
> Ron Adam wrote:
>>
>> On Wed, 2011-10-05 at 19:08 +1300, Greg Ewing wrote:
>>>
>>> Guido van Rossum wrote:
>>>
>>>> I'm out of ideas here. But of all these, str.find is probably still
>>>> the worst -- I've flagged bugs caused by it too many times to count.
>>>
>>> Could a with-statement be used here somehow?
>>>
>>> with finding(x, s) as i:
>>> ...
>>
>>
>> Or an iterator.
>>
>> for i in finding(x, s):
>> ...
>
>
> How would the case of not found be handled in either of these proposals?
By never executing the body of the loop. It's still a thoroughly unnatural
API for the 0 or 1 case, though.
--
Nick Coghlan (via Gmail on Android, so likely to be more terse than usual)
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