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The mystery of double bitwise negationby hurricup (Pilgrim) |
on Jul 12, 2015 at 16:57 UTC ( [id://1134400]=perlquestion: print w/replies, xml ) | Need Help?? |
hurricup has asked for the wisdom of the Perl Monks concerning the following question: Hello again Monks! Another day - another mystery. This time is about double bitwise negation (or strange form of smartmatch) First encountered in DBM::Deep:
Than, in Devel::Declare (even stranger form):
Deparse says that at least first one is double negation, no-op. So - what for? P.S. is the second example just a weird replacement for scalar ?
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