code: public static List getAt(Collection coll, String property) {
          List<Object> answer = new ArrayList<Object>(coll.size());
          return getAtIterable(coll, property, answer);
      }
docs: Support the subscript operator for Collection.
  <pre class="groovyTestCase">
  assert [String, Long, Integer] == ["a",5L,2]["class"]
  </pre>
  
  @param coll     a Collection
  @param property a String
  @return a List
  @since 1.0