python needs leaning stuff from other language

Robert Kern robert.kern at
Sat Apr 4 01:27:14 CEST 2009

On 2009-04-03 16:42, Tim Wintle wrote:
> On Fri, 2009-04-03 at 13:12 -0400, Mel wrote:
>>>>> I think it would also be better to have One (and prefereably Only One)
>>>>> Obvious Way To Do It. That obvious way, for those who work with
>>>>> Python's ‘set’ and ‘dict’, is a ‘clear’ method. It seems best to have
>>>>> ‘list’ conform with this also.
>>>> Does that mean a one-off special case rule to forbid slices having a
>>>> default?
>>> Why would it do that?
>> Well, if list.clear were truly and strictly to be the only way to clear the
>> contents of a list, then assigning nothing via the default slice would have
>> to be ruled out.  `somelist[:] = []` is just a special case of assignment to
>> a slice generally.
> agreed. If .clear was to be added then really assignments to slices
> should be entirely removed.

Please tell me you are joking.

Robert Kern

"I have come to believe that the whole world is an enigma, a harmless enigma
  that is made terrible by our own mad attempt to interpret it as though it had
  an underlying truth."
   -- Umberto Eco

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