class_docstr: A dataset that scans a function across its input.
class_docstr_tok: ["A","dataset","that","scans","a","function","across","its","input","."]
code: def element_spec(self):
      return self._element_spec
  
file_path: tensorflow/tensorflow/python/data/ops/scan_op.py
imports: from tensorflow.python.data.ops import dataset_ops
  from tensorflow.python.data.ops import structured_function
  from tensorflow.python.data.util import nest
  from tensorflow.python.data.util import structure
  from tensorflow.python.framework import ops
  from tensorflow.python.ops import gen_experimental_dataset_ops
  from tensorflow.python.util.compat import collections_abc
label_desc: Use image node_id 3 for calling the _ScanDataset obj's underlying member method code with example usage: obj.element_spec() and returns: self