code: def __iter__(self):
      return iter(self.array)
  
imports: from array import array
  from whoosh.compat import xrange
  from whoosh.system import emptybytes
  from whoosh.system import pack_byte, unpack_byte
  from whoosh.system import pack_ushort_le, unpack_ushort_le
  from whoosh.system import pack_uint_le, unpack_uint_le
label_desc: Use image node_id 4 for calling the GrowableArray obj's underlying member method code with example usage: obj.__iter__() and returns: iter