expression switch vs. procedural switch

[John Rose]

On Mar 14, 2018, at 11:32 AM, Doug Lea <dl at cs.oswego.edu> wrote:
> 
> looking forward to
> beating my own record using expression switches even if they
> (rarely) need weird breaky constructions

That pushed a button:

"Don't play that song, that achy breaky song..."

https://en.wikipedia.org/wiki/Achy_Breaky_Song <https://en.wikipedia.org/wiki/Achy_Breaky_Song>