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Re^2: Why Perl boolean expression sometimes treated as lvalue?

by Anonymous Monk
on Feb 08, 2013 at 13:22 UTC ( #1017815=note: print w/replies, xml ) Need Help??

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  1. or download this
    $ perl -MO=Deparse,-p -le " $a= 1 && 2; print $a; "
    BEGIN { $/ = "\n"; $\ = "\n"; }
    ...
    Can't modify logical and (&&) in scalar assignment at -e line 1, near 
    +"3;"
    -e had compilation errors.
    (($a && $b) = 3);
    
  2. or download this
    
    2012         /* FALL THROUGH */
    ...
    2024                         ? "non-lvalue subroutine call"
    2025                         : OP_DESC(o))),
    2026                      type ? PL_op_desc[type] : "local"));
    

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[ambrus]: Corion: no, these days like half of the times the professors write the articles in TeX (with formatting that's mostly acceptible but not usually good), and the other half of the time it's people who are already co-authors of the article that write it
[erix]: there is lyx

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