..
   Generated automatically by cpp2rst

.. highlight:: c
.. role:: red
.. role:: green
.. role:: param


.. _triqs__hilbert_space__sub_hilbert_space__size:

triqs::hilbert_space::sub_hilbert_space::size
=============================================

*#include <triqs/hilbert_space/sub_hilbert_space.hpp>*



**Synopsis**

 .. rst-class:: cppsynopsis

       | int :red:`size` () const





Return the total number of the fermionic Fock states in this space





Returns
^^^^^^^

Size of the Hilbert subspace