I think that will be more intelligible to those who aren’t familiar with the idiom.

I don’t know. Shouldn’t that mean it should be written with one more space, x ! !? I think the hard-to-grasp part is actually why/how () x $boolean works; the addition of !! doesn’t make it appreciably more difficult to understand, in my opinion.

Makeshifts last the longest.

In reply to Re^2: Secret Perl Operators: the boolean list squash operator, x!! by Aristotle
in thread Secret Perl Operators: the boolean list squash operator, x!! by Aristotle

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