[Python-ideas] Should nested classes in an Enum be Enum members?

[Ryan Gonzalez]

I *think* he's referring to something like this:

class A(enum.Enum):
    class Inner(NamedTuple):
        ...

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?
>
> --
> ~Ethan~
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