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Why Perl boolean expression sometimes treated as lvalue?

by vsespb (Chaplain)
on Feb 08, 2013 at 11:28 UTC ( #1017801=perlquestion: print w/replies, xml ) Need Help??

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  1. or download this
    my $a = 1;
    my $b = 2;
    $a && $b = 3;
    
  2. or download this
    use strict;
    use warnings;
    ...
    my $y = 5;
    a($x && $y);
    print "$x\n";
    

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Node Type: perlquestion [id://1017801]
Approved by vinoth.ree
Front-paged by RMGir
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Discipulus a missing semicolon after use LWP::UserAgent caused very strange behaviour and not the normal warning...
[choroba]: Yes, sometimes missing ; after the use clause just interprets the next line somehow and passes the result to the used module which could happily ignore it. Been there, seen that.
[Discipulus]: luckly the program was 20 lines!

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