On 04/25/2013 06:23 PM, Greg Ewing wrote:
> On 26/04/13 13:03, MRAB wrote:
>> But there _is_ an ordering problem, in that the days wrap around.
>> Do we want a CircularEnum, then?
>> Ordering would be defined only up to the starting
> value, which you would be required to specify when
> doing anything where it mattered.
>> class Day(CircularEnum):
>> sunday = 0
> monday = 1
> ...
> saturday = 6
>> list(Day.startingat(Day.tuesday)) -->
> [Day.tuesday, Day,wednesday, Day.thursday,
> Day.friday, Day.saturday, Day.sunday,
> Day.monday]
>> Modular arithmetic would apply, so
>> Day.saturday + 3 --> Day.tuesday
>> That would be the replacement for Day(3),
> which would be disallowed.
Interesting idea, but why does Day(3) have to be disallowed to make it work?
--
~Ethan~
