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  1. or download this
    use v5.14;
use warnings;
use strict;
...
say (1+2)*3; # Same as (say(1+2))*3;
say+(1+2)*3; # Same as say((1+2)*3);
my_say+(1+2)*3; # Same as my_say()+(1+2)*3;
  2. or download this
    say (...) interpreted as function at test.pl line 10.
Useless use of multiplication (*) in void context at test.pl line 10.
Useless use of addition (+) in void context at test.pl line 12.
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No arguments!