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Unusual Closure Behaviour

by tachyon (Chancellor)
on Jul 12, 2001 at 10:55 UTC ( #95940=perlquestion: print w/ replies, xml ) Need Help??

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  1. or download this
    {
        my $x;
    ...
    }
    
    for (1..7) { print foo() }
    
  2. or download this
    sub foo {
        my $x if undef;
      return ++$x;
    }
    for (1..7) { print foo() }
    

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