Function reduce_fn

tensorflow/python/data/util/structure.py:317–319

(state, value)

  nest.assert_same_structure(element_spec, element)

  def reduce_fn(state, value):
    spec, component = value
    return encode_fn(state, spec, component)

  return functools.reduce(
      reduce_fn, zip(nest.flatten(element_spec), nest.flatten(element)), [])