Since this is an AoA, $res->[0]->[0] will also work consider 
perl -e"$a=[['ref']];print q|$a\n$a->[0]\n$a->[0]->[0]\n$$a[0]\n$a->[0
+][0]\n$a->[0]->[0]|; "


__END__
ARRAY(0x183f0d4)
ARRAY(0x183efd8)
ref
ARRAY(0x183efd8)
ref
ref

[download]

PJ
use strict; use warnings; use diagnostics; (if needed)

In reply to Re: Array Deferencing Question by periapt
in thread Array Deferencing Question by Anonymous Monk

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