EquationFunc Class
==================

.. py:class:: EquationFunc(index, name)
   :no-index:

Purpose
-------

``EquationFunc`` is the parsed representation of one function call inside an
equation.

Methods
-------

``add_param(param)``
   Add a parsed parameter.

``get()``
   Resolve the function from the registry.

``get_param()``
   Return the active function parameter.