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Re: Why use references?

by pileofrogs (Priest)
on Dec 12, 2005 at 01:02 UTC ( [id://515927]=note: print w/replies, xml ) Need Help??

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  1. or download this
    sub increment {
    my $arg_ref = shift;
...
}

print "$num\n";
  2. or download this
    sub increment {
    my $arg = shift
...
$num = increment($num);

print "$num\n";

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