Expression switch exception naming

[Doug Lea]

On Fri, March 30, 2018 1:48 pm, Brian Goetz wrote:

>
> So an alternative here is to tweak the language so that the "conclude
> exhaustiveness if all enum constants are present" behavior should be
> reserved for the cases where the switch and the enum are in the same
> module?
>

I might have missed discussion of this, but has anyone considered
the alternative of finally allowing "final" on an enum class? In
this case, several sets of simpler alternatives would be possible.

-Doug