+=0 (you meant well)

That won't work little. Try changing this line in showarray: print ref($aref), ": @$aref"; to 

print ref($aref);
print "@$aref";

[download]
and you will see that it outputs 'ARRAY' which is wrong. In this case, $aref is a SCALAR reference that is blessed into the class ARRAY.

In reply to Re: Re: Determining the true type of a reference by Mr. Muskrat
in thread Determining the true type of a reference by Mr. Muskrat

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