[phrenq]

I suspect the interviewer would have likely been fine if they’d been able to explain chained comparisons and how they work. I would probably consider the interviewer using them without understanding them to be a negative signal.

[selcuka]

It is possible that the candidate would normally use it from muscle memory, but got confused under the stress of the interview.

[phrenq]

Fair enough. In general, I think the interview is a pretty lousy way to measure how good a software developer is.