[Python-ideas] Should nested classes in an Enum be Enum members?
rymg19 at gmail.com
Wed Jun 27 15:35:55 EDT 2018
I *think* he's referring to something like this:
isinstance(A.Inner(), A()) # True
I *think* that's it.
On June 27, 2018 2:26:23 PM Ethan Furman <ethan at stoneleaf.us> wrote:
> On 06/27/2018 12:04 PM, Elazar wrote:
> > בתאריך יום ד׳, 27 ביוני 2018, 11:59, מאת Guido van Rossum:
> >> Sounds to me really strange that the nested class would become a member.
> >> Probably because everything becomes a member unless it's a function
> >> (maybe decorated)?
>> People working with sum types might expect the instances of the nested
> > class to be instances of the enclosing class. So if the nested class is
> > a namedtuple, you get a sum type. The only problem is that there's no
> > way to express this subtype relationship in code.
> I have no idea what you just said. :( Is there a link you can share that
> might explain it?
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