use v5.14;
use warnings;
use strict;

sub array
{
  my @array = ("Hello ", "World");
  @array;
}

say array;
say+array;
say-array; # warning here
say scalar array;
##</code><code>##

Ambiguous use of -array resolved as -&array() at context.pl line 13.
Hello World
Hello World
-2
2