You were assigning a list of arguments to a scalar, which was a scalar of the number of arguments ("1"). The ref of a non-reference is blank. Try this:

sub traverseHash
{
    my $hRef=shift;
    print ref($hRef);
}

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In reply to Re: Passing Reference of a Hash to a method by rrwo
in thread Passing Reference of a Hash to a method by piyush.shourie

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