Re: [Python-Dev] Semantics of __int__(), __index__()

2013年4月02日 02:21:11 -0700

On Tue, Apr 2, 2013 at 10:02 AM, Mark Dickinson <[email protected]> wrote:
> On Tue, Apr 2, 2013 at 9:58 AM, Maciej Fijalkowski <[email protected]>wrote:
>
>>
>> My 2 cents here is that which one is called seems to be truly random.
>> Try looking into what builtin functions call (for example list.pop
>> calls __int__, who knew)
>>
>
> That sounds like a clear bug to me. It should definitely be using
> __index__.
>
Ah, and I see it *is* using `__index__` in Python 3; just not in Python
2.7. It may be one of those Python 2 bugs that's not worth fixing because
the fix would do more harm (in the form of breakage of existing code) than
good.
-- 
Mark
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