@arkedos Yeah, I wasn't sure mainly becuase that's actually a fairly common idiom for converting to bool in some languages, actually. I've definitely seen !!x around in C and C++.
According to this random blog post, it shows up more than 5000 times in the Linux kernel: https://dev-notes.eu/2019/10/Double-Negation-Operator-Convert-to-Boolean-in-C/
@pganssle Yeah it was a joke, I was simply amused by the fact that you could use double negation to achieve that. :D