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/gist:f2051640b4e470f33232 Secret

Created February 26, 2015 01:37
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gistfile1.txt
sub foo :lvalue ($new) {
if (want("lvalue")) {
if ($new >= 0) {
$variable = $new;
} else {
croak "Attempt to store negative number in foo";
}
} else {
return $variable;
}
}
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