problem about Data::Dump::dump(undef)?

Data-Dump

Posted on 2008-11-28 09:12:44-08 by mron

print Data::Dump::dump(undef) . "\n"; print int($!) . "\n";

In my computer , the code above can print undef , but $! was set to 9 , does Data::Dump::dump() can not dump the undef value?

my Data::Dump module's version is 1.08.

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