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Postfix dereference syntax
$_->$* means $$_ (and compiled down to the same op tree)
$_->@* means @$_ ( ditto ditto blah blah blah )
$_->%* means %$_ (...)
$_->&* means &$_
$_->** means *$_
$_->@[...] means @$_[...]
$_->@{...} means @$_{...}
$_->*{...} means *$_{...}
$_->@* is not always equivalent to @$_, particularly in contexts like
@foo[0], which cannot be written foo->@*[0]. (Just omit the asterisk
and it works.)