@idontgetit holds the two array refs. @idontgetit->[0] indexes the first one of it, and the second ->[0] indexes the first element of the (inner) array.
BTW, @idontgetit->[0]->[0] should better be written as $idontgetit[0]->[0] (turn on warnings, and Perl will tell you why).
In reply to Re^3: Dereferencing a Hash of Arrays
by Eliya
in thread Dereferencing a Hash of Arrays
by toro
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