my $first = @{$ref_to_array}[0]; # prefix

##</code><code>##

my $first = ${$ref_to_array}[0]; # prefix

##</code><code>##

    # the easy way
    $LoL[0]->[0]->[1]   = 'It's a bird, it's a plane, it's...';
    # the shortcut
    $LoL[0]->[0][2]     = 'Superman!';

##</code><code>##

# the full shortcut
$LoL[0][0][2]     = 'Superman!';