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Iterator Access 
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There are multiple ways to retrieve the :ref:`State<State>` or **index** on which a :ref:`BasisIterator<Iterator>` is pointing, *e.g.*, ``*it``.


.. doxygenfunction:: danceq::internal::BasisIterator::operator*() const

.. doxygenfunction:: danceq::internal::BasisIterator::operator->()

.. doxygenfunction:: danceq::internal::BasisIterator::get_index() const