Please. If we're now talking about specific exceptions, my replace isn't a
one-liner either. I was clearly referring to actual functionality.
If you want that specific exception, 2 lines are sufficient.
------- Original Message -------
On Friday, March 11th, 2022 at 4:45 PM, Rob Cliffe <rob.cli...@btinternet.com>
wrote:
> On 11/03/2022 21:33, wfdc wrote:
>
>> How about something like
>>
>> def index(self, x):
>> return next(i for i, a in enumerate(self) if a == x)
>>
>> Including start and end:
>>
>> def index(self, x, start=0, end=-1):
>> return next(i for i, a in tuple(enumerate(self))[start:end] if a == x)
>
> No cigar. If the element is not found it raises StopIteration. It should
> raise ValueError.
> Rob Cliffe
>
>>
>
>> ------- Original Message -------
>> On Friday, March 11th, 2022 at 4:02 PM, Rob Cliffe
>> [<rob.cli...@btinternet.com>](mailto:rob.cli...@btinternet.com) wrote:
>>
>>> On 11/03/2022 19:30, wfdc wrote:
>>>
>>>>> I could (I believe) write "count" as an (inefficient) 1-liner, but not
>>>>> "index". I suggest it's harder than you think. (Try it!)
>>>>
>>>> How much harder? Can you post your candidate?
>>>
>>> It was you that said it could be a 1-liner. The burden of proof is on you,
>>> if you still want to argue the point.
>>> Rob Cliffe
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