$VAR1 = [
        [
            '=',
            undef
        ]
    ];

##</code><code>##

array     : arrayname EQUAL arraelement(s?) { [ @item[1,3] ] }

##</code><code>##

@dogs = "dollar", "mack";
%myHash = {animals => @dogs, age = 5, names=> "fluffy"};

gives the following output =)
<code>
$VAR1 = [
          [
            [
              'array',
              'dogs'
            ],
            [
              [
                'arrayelement',
                [
                  'identifier',
                  'dollar'
                ]
              ],
              [
                'arrayelement',
                [
                  'identifier',
                  'mack'
                ]
              ]
            ]
          ],
          [
            'hash',
            'myHash',
            [
              [
                'hashelement',
                'animals',
                [
                  'array',
                  'dogs'
                ]
              ],
              [
                'hashelement',
                'age',
                [
                  'literal',
                  '5'
                ]
              ],
              [
                'hashelement',
                'names',
                [
                  'identifier',
                  'fluffy'
                ]
              ]
            ]
          ]
        ];

##</code><code>##

array : arrayname EQUAL arrayelement(s?) { [ @item[1,3] ] }
         : arrayname EQUAL '[' arrayelement(s?) ']' { [ @item[1,4] ] }