On 31 August 2013 23:08, Chris Angelico <ros...@gmail.com> wrote:
> On Sun, Sep 1, 2013 at 1:43 AM, Oscar Benjamin
> <oscar.j.benja...@gmail.com> wrote:
>> On 31 August 2013 16:30, Chris Angelico <ros...@gmail.com> wrote:
>>>>
>>>> but doesn't solve all the cases (imagine a string or an iterator).
>>>
>>> Similar but maybe simpler, and copes with more arbitrary iterables:
>>>
>>> it=iter(range(5))
>>> print(next(it), end='')
>>> for i in it:
>>> print('',i, end='')
>>
>> If you want to work with arbitrary iterables then you'll want
>>
>> it = iter(iterable)
>> try:
>> val = next(it)
>> except StopIteration:
>> pass # Or raise or something?
>> else:
>> print(val, end='')
>> for i in it:
>> print('', i, end='')
>
> I went with this version:
>
> except StopIteration:
> raise
>
> In other words, if it's going to bomb, let it bomb :)
I think the point is that StopIteration is an unsafe error to raise.
--
http://mail.python.org/mailman/listinfo/python-list
