>Am I alone in thinking that $x->[2] is much more readable that @$x[2] or
$$x[2]?
IMHO, you are just asking for trouble whenever you use notation like
"$$x[2]". You should always put the curly braces around the scalar being
dereferenced to be sure that you or someone reading your code doesn't
fat-finger it and try to dereference the wrong thing.
E.g. $$x[2] should always be written as ${$x}[2], or the alternate $x->[2],
that way it is clear that you are dereferencing $x, NOT $x[2].
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