Switch expressions -- some revisions

[John Rose]

On Dec 14, 2017, at 2:12 PM, Brian Goetz <brian.goetz at oracle.com> wrote:
> 
> With statement switches, it's even more of a stretch.  Sure, you can squint and say "the case arm is like a lambda whose args are the binding variables and whose body is the RHS", but it does require squinting.  

+1  In short:

Using break to mean "exit the current switch with a value" is
the only conservative keyword-based solution, because break
already means "exit the switch".

C'mon, Kevin, you see that, right?

The naked expression move has already been weighed and
discarded, during the Lambda exercise.  I don't see any new
information that would cause us to reopen that as an option.
(Although it would have been my preference at the time.)

— John
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