[Python-ideas] constant/enum type in stdlib

Antoine Pitrou solipsis at pitrou.net
Wed Jan 30 08:26:39 CET 2013


On 2013年1月30日 17:58:37 +1300
Greg Ewing <greg.ewing at canterbury.ac.nz> wrote:
> Guido van Rossum wrote:
>> > class color(enum):
> > RED = value()
> > WHITE = value()
> > BLUE = value()
>> We could do somewhat better than that:
>> class Color(Enum):
> RED, WHITE, BLUE = range(3)
>> However, it's still slightly annoying that you have to
> specify how many values there are in the range() call.
> It would be even nicer it we could just use an infinite
> iterator, such as
>> class Color(Enum):
> RED, WHITE, BLUE = values()

Well, how about:
class Color(Enum):
 values = ('RED', 'WHITE', 'BLUE')
?
(replace values with __values__ if you prefer)
Regards
Antoine.


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