Bug in string.find; was: Re: Proposed PEP: New style indexing,was Re: Bug in slice type

[Bengt Richter]

On 30 Aug 2005 10:07:06 GMT, Antoon Pardon <apardon at forel.vub.ac.be> wrote:

>Op 2005-08-30, Terry Reedy schreef <tjreedy at udel.edu>:
>>
>> "Paul Rubin" <"http://phr.cx"@NOSPAM.invalid> wrote in message 
>> news:7xy86k3r7n.fsf at ruckus.brouhaha.com...
>>
>>> Really it's x[-1]'s behavior that should go, not find/rfind.
>>
>> I complete disagree, x[-1] as an abbreviation of x[len(x)-1] is extremely 
>> useful, especially when 'x' is an expression instead of a name.
>
>I don't think the ability to easily index sequences from the right is
>in dispute. Just the fact that negative numbers on their own provide
>this functionality.
>
>Because I sometimes find it usefull to have a sequence start and
>end at arbitrary indexes, I have written a table class. So I
>can have a table that is indexed from e.g. -4 to +6. So how am
>I supposed to easily get at that last value?
Give it a handy property? E.g.,

    table.as_python_list[-1]


Regards,
Bengt Richter