http://www.perlmonks.org?node_id=925947


in reply to Re: Access Hashes of Hashes etc.
in thread Access Hashes of Hashes etc.

And as long as you're doing that, you might as well use a reference for the outer hash itself to make the syntax more regular ($thingy->{foo}->3 vs. $thingy{foo}->3).

Well, except the internal ->'s aren't necessary anyway, so $thingy{foo}[3] works just fine.