Gabriel Genellina wrote:
> En Thu, 27 Dec 2007 02:32:54 -0300, [EMAIL PROTECTED]
> <[EMAIL PROTECTED]> escribió:
>
>> On Dec 26, 9:43 pm, Steven D'Aprano
>> <[EMAIL PROTECTED]> wrote:
>
>>> watch_fireworks()
>>> try:
>>> champagne
>>> except NameError:
>>> champagne = any_fizzy_alcoholic_drink_will_do()
>>> champagne.drink()
>>> shout("Happy New Years!!!")
>>> for person in adults_nearby:
>>> if (person.is_appropriate_sex and person.is_pretty):
>> Hey, my version of the person module doesn't have
>> an is_appropriate_sex attribute, but an
>> is_opposite_sex attribute instead. Is this a new version?
>
> The default is_appropriate_sex implementation just happens to call
> is_opposite_sex, but this is an implementation detail and you should not
> rely on that, even more so if you didn't create that particular person
> instance.
Although the coding standards in most shops prevent you from querying the
is_appropriate_sex interface if you create that particular person instance.
--
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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