ak.autograd.elementwise_grad
----------------------------

.. py:function:: ak.autograd.elementwise_grad(fun)

Decorator for differentiating a function that is applied elementwise to a NumPy or Awkward Array.

See `Autograd <https://github.com/HIPS/autograd#readme>`__ for an example of
``autograd.elementwise_grad``. This version of the decorator allows :doc:`_auto/ak.Array`
as arguments to the function, not just NumPy arrays.

To do: examples.
