code: def ragged_unary_elementwise_op(op, x):
      """Unary elementwise api handler for RaggedTensors."""
      x = ragged_tensor.convert_to_tensor_or_ragged_tensor(x)
      return x.with_values(op(x.values))
  
file_path: tensorflow-upstream/tensorflow/python/ops/ragged/ragged_dispatch.py
imports: from tensorflow.python.ops import logging_ops
  from tensorflow.python.ops import math_ops
  from tensorflow.python.ops import string_ops
  from tensorflow.python.ops.ragged import ragged_tensor
  from tensorflow.python.ops.ragged import ragged_tensor_shape
  from tensorflow.python.util import dispatch
  from tensorflow.python.util import tf_decorator
  from tensorflow.python.util import tf_export
  from tensorflow.python.util import tf_inspect
label_desc: Use image node_id 1 for calling a global function with example usage: ragged_unary_elementwise_op(op, x) and returns: x