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Re^4: Secret Perl Operators: the boolean list squash operator, x!!

by talexb (Canon)
on Aug 01, 2006 at 16:23 UTC ( #565036=note: print w/ replies, xml ) Need Help??


in reply to Re^3: Secret Perl Operators: the boolean list squash operator, x!!
in thread Secret Perl Operators: the boolean list squash operator, x!!

    That !0 == 1 is not "well-defined" that I've noticed - perhaps someone could point out precisely where this is stated in a way that is not only definitive, but unambivalent (e.g., I don't want to see docs saying "It works this way, but don't trust it.").

I can still remember Drew Sullivan, currently GTALUG President, pointing out years ago that !!!0 == 1 works, even if !0 == 1 is not necessarily accurate.

Alex / talexb / Toronto

"Groklaw is the open-source mentality applied to legal research" ~ Linus Torvalds


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