httk.atomistic.models.formula.backend
=====================================

.. py:module:: httk.atomistic.models.formula.backend

.. autoapi-nested-parse::

   The abstract base class for all chemical-formula backends in httk-atomistic.



Classes
-------

.. autoapisummary::

   httk.atomistic.models.formula.backend.ChemicalFormulaBackend


Module Contents
---------------

.. py:class:: ChemicalFormulaBackend(backend, **hints)

   Bases: :py:obj:`httk.core.Backend`\ [\ :py:obj:`ChemicalFormulaBackend`\ ], :py:obj:`httk.atomistic.models.formula.api.ChemicalFormulaAPI`


   Abstract base class for all backends of chemical-formula data.

   Concrete backends carry a native representation and produce the canonical
   chemical-formula accessors declared by ``ChemicalFormulaAPI`` from it.


   .. py:attribute:: backend_classes
      :type:  ClassVar[list[type[httk.core.Backend[Any]]]]