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  1. or download this
          some("Foo", @alphabet);
  2. or download this
       some(@alphabet, "Foo");          # BAD!
   some("Foo", @alphabet, @alpha2); # BAD!
  3. or download this
       some("Foo", @alphabet);
  4. or download this
    some("Foo", \@alphabet);

sub some {
  my ($one, $alpha_aref) = @_;
  my $letter_b = $alpha_aref->[1];
}