[Python-ideas] PEP for enum library type?
Ryan Hiebert
ryan at ryanhiebert.com
Thu Feb 14 06:34:53 CET 2013
On Feb 13, 2013, at 8:50 PM, Ethan Furman <ethan at stoneleaf.us> wrote:
> On 02/13/2013 05:58 PM, Ryan Hiebert wrote:
>
>> On Feb 13, 2013, at 4:57 PM, Jan Kaliszewski <zuo at chopin.edu.pl> wrote:
>>
>>> and maybe also:
>>>
>>> class Color(Enum):
>>> # 0 1 2 3
>>> RED, GREEN, BLUE, YELLOW, *end = seq()
>>>
>>> class Color(Enum):
>>> # 3 4 5 6
>>> RED, GREEN, BLUE, YELLOW, *end = seq(3)
>>>
>>> class Flag(Enum):
>>> # 1 2 4 8 16
>>> FOO, BAR, BAZ, BOO, SPAM, *end = flags()
>>>
>>> (yes, it *is* possible to implement it without playing with stack frames...)
>>
>> This suggestion interests me most. Would it require language changes for that *end stuff?
>
> Already is, since 3.0 I believe.
>
> http://www.python.org/dev/peps/pep-3132/
Wow, I've been missing out on a great feature. How is it able to avoid the stack frames? If I knew that, I'd love to write up an implementation.
More information about the Python-ideas
mailing list