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Unusual Closure Behaviour

by tachyon (Chancellor)
on Jul 12, 2001 at 10:55 UTC ( [id://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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