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  1. or download this
    $ alias perle
alias perle='perl -Mstrict -Mwarnings -Mautodie=:all -E'
$ perle 'our $a = 25; my $ra = \*a; say $ra->*{SCALAR}->$*'
25
  2. or download this
    $ perle '1 for sort { say +(\*a)->*{PACKAGE}; say +(\*a)->*{SCALAR}->$
+*; say $a } 1 .. 3'
main
...
main
2
2