Varying
=======

.. py:class:: Varying

    Available in :py:meth:`Program.__getitem__`

    Represents a program output varying.

.. py:attribute:: Varying.name
    :type: str

    The name of the varying.

.. py:attribute:: Varying.number
    :type: int

    The output location of the varying.

.. py:attribute:: Varying.extra
    :type: Any

    User defined data.
