class_docstr: A dataset that scans a function across its input.
code: def _functions(self):
      return [self._scan_func]
  
file_path: tensorflow-upstream/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 2 for calling the _ScanDataset obj's underlying member method code with example usage: obj._functions() and returns: list