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  1. or download this
    my @elements = split //, $s;
    my $length = @elements;
    
  2. or download this
    my ($length, @elements) = dismantle($s);
    
  3. or download this
    my $length = my @elements = split //, $s;
    
  4. or download this
    my $length = my @elements = $s =~ /./sg;