Wherefore does the following code work?

@l = 0..10; %h = (a => 1, b => 2); print @l->[4]; # prints 4 print %h->{b}; # prints 2 [download]

My reading of perlop has me convinced that this is an unintended syntactic feature.

   MeowChow                                   
               s aamecha.s a..a\u$&owag.print