Attributes on Enum Members: Call for use cases.

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On Tuesday, 28 November 2017 at 02:20:15 UTC, Michael V. Franklin 
wrote:
> On Sunday, 19 November 2017 at 13:35:13 UTC, Michael V. 
> Franklin wrote:
>
>> What's the official word?  Does it require a DIP?
>
> For those who might want to know, Walter has informed me that 
> this change will require a DIP.  I already  have two DIPs in 
> the queue right now, so I wouldn't mind if someone else wrote 
> it.
>
> But, absent any volunteers, I would welcome all of you to reply 
> to this thread with some use cases where you might find UDAs or 
> other attributes useful on enum members.  Deprecation and 
> serialization have already been mentioned, but it'd be 
> impossible for me to imagine all the different ways users might 
> find this feature useful.
>
> Thanks,
> Mike

I'd be interested in working on a DIP like this Michael, but I 
also want to expand the scope to allowing UDAs on function 
arguments as well. We should have some solid use cases in mind; 
let's take this to private email.