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print (Dumper($abc) . "\n"); #this will work fine
print (Data::Dumper->Dump(@$abc) . "\n"); # this will give usage error
+ as I mentioned earlier.
$VAR1 = "cde";
Usage: PACKAGE->new(ARRAYREF, [ARRAYREF]) at /tmp/ab123.pl line 8
By rote learning.
Via Genetic memory.
It's provided by my firmware.
I just remember them.
Thirty days hath September
My computer gets it right, usually.
I just ask someone else.
Someone punches me on the first of the month.
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