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Re^4: The error says the value is uninitialized, but it works anyway

by haukex (Chancellor)
on Aug 18, 2019 at 08:33 UTC ( #11104646=note: print w/replies, xml ) Need Help??

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  1. or download this
    use Data::Dumper;
    my $str = "1";
    print Dumper($str);  # $VAR1 = '1';
    my $n = $str + 1;
    print Dumper($str);  # $VAR1 = 1;
    

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