Disallowing break label (and continue label) inside an expression switch

[John Rose]

On Mar 23, 2018, at 1:20 PM, John Rose <john.r.rose at oracle.com> wrote:
> 
> I think mandating "break (e)" is a lighter
> weight solution, even though it has some of the
> #{ Stand Out }# smell.
> 
> — John

P.S. And to be clear, I'm simply pointing out surprising consequences
of your design, to elucidate its trade-offs.  I won't be too disappointed
if we go with the odd new contextual restriction on "break-l", since
"break-l" is a marginal feature only seldom used.  It can be relegated
to a helper method as a last resort.  But, again, mandating a helper
method to get out of a tight spot can be a design smell.

Whatever we decide, let's document the consequences on coders
as best as we can.

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