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Perl: the Markov chain saw

Re^2: Perl::Improved Volume 0, Number 1

by Corion (Patriarch)
on Sep 05, 2004 at 13:31 UTC ( #388604=note: print w/replies, xml ) Need Help??

in reply to Re: Perl::Improved Volume 0, Number 1
in thread Perl::Improved Volume 0, Number 1

I'm not convinced that the use of |...| to mean abs(...) doesn't break the existing grammar or introduces ugly whitespace dependency:

can be naively parsed as
or as

because the ugly unary + is allowed, which breaks lots of things. Of course, introducing another slew of operator precedence could fix this, but I imagine it creates more confusion than the "clearer" syntax removes.

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Re^3: Perl::Improved Volume 0, Number 1
by theorbtwo (Prior) on Sep 06, 2004 at 01:56 UTC

    Ah, thank you! My intuition told me that they conflicted, but I couldn't come up with a case -- largely because I forgot about unary +.

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