/**
 *
 *   Copyright (c) 2005-2021 by Pierre-Henri WUILLEMIN(_at_LIP6) & Christophe GONZALES(_at_AMU)
 *   info_at_agrum_dot_org
 *
 *  This library is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU Lesser General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  This library is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public License
 *  along with this library.  If not, see <http://www.gnu.org/licenses/>.
 *
 */


/** @file
 * @brief the base class for all structural constraints
 *
 * @author Christophe GONZALES(_at_AMU) and Pierre-Henri WUILLEMIN(_at_LIP6)
 */
#ifndef GUM_LEARNING_STRUCTURAL_CONSTRAINT_H
#define GUM_LEARNING_STRUCTURAL_CONSTRAINT_H

#include <agrum/BN/learning/constraints/structuralConstraintSetStatic.h>

namespace gum {

  namespace learning {

    /** @class StructuralConstraintEmpty
     * @brief the base class for all structural constraints
     * @ingroup learning_group
     */
    struct StructuralConstraintEmpty {
      using allConstraints = _ConstraintSet_< void >;
    };

  } /* namespace learning */

} /* namespace gum */

#endif /* GUM_LEARNING_STRUCTURAL_CONSTRAINT_H */