No we should not support enum types derived from strings

[deadalnix]

On Friday, 7 May 2021 at 11:55:53 UTC, Andrei Alexandrescu wrote:
> Heavy toll on the infra for a very niche use case with trivial 
> workarounds on the user side.

It seems like the toll comes from isSomeString to return false 
for these nums, no? What is the root cause of this not working?

It doesn't seems like this should be a special case anywhere and 
just work.