[enhanced-switches] My experience of converting old switches to new ones

[Tagir Valeev]

Hello!

> > We need total switch statements.
>
>
> Is this different from the "default impossible" above?

Yes. I mean, currently we cannot have exhaustiveness checks on enum
switch statements having a compilation error when a new enum constant
is added. We have this for switch expressions and for sealed classes,
but not for switch statements over enums.

With best regards,
Tagir Valeev.