For the vast masses downvoting this, BTW, please explain why the OP post is exemplifying good software design...
S'funny, but no matter how may times I re-read the OP, I can't find the reference to "good software design". From my reading, it appears to be holding the code up as an example of (at best) a gotchya, and probably bad design, but mostly, as a puzzle. Something fun to try a solve by looking rather than debugging.
Examine what is said, not who speaks.
"Efficiency is intelligent laziness." -David Dunham
"Think for yourself!" - Abigail
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