is_tracing
==========

.. py:function:: t3toolbox.safety.is_tracing(*arrays)

   .. code-block:: python

      def is_tracing(*arrays):


   True if we are inside a jax transform (jit / grad / vmap): any argument is a tracer, **or** we are
   globally under a trace (the closed-over-concrete-operand case -- see :py:func:`_inside_jax_trace`).