56 lines
1.7 KiB
C
56 lines
1.7 KiB
C
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// Copyright (c) 2009 INRIA Sophia-Antipolis (France).
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// Copyright (c) 2011 GeometryFactory Sarl (France)
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// All rights reserved.
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//
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// This file is part of CGAL (www.cgal.org).
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// You can redistribute it and/or modify it under the terms of the GNU
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// General Public License as published by the Free Software Foundation,
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// either version 3 of the License, or (at your option) any later version.
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//
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// Licensees holding a valid commercial license may use this file in
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// accordance with the commercial license agreement provided with the software.
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//
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// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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//
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// $URL$
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// $Id$
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// SPDX-License-Identifier: GPL-3.0+
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//
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// Author(s) : Stéphane Tayeb, Laurent Rineau
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#ifndef CGAL_MESH_3_HAS_FEATURES_H
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#define CGAL_MESH_3_HAS_FEATURES_H
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#include <CGAL/license/Mesh_3.h>
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#include <boost/mpl/has_xxx.hpp>
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#include <CGAL/tags.h>
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namespace CGAL {
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namespace Mesh_3 {
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namespace internal {
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// A type has_Has_features to check if type 'Has_features' is a nested
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// type of any class
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BOOST_MPL_HAS_XXX_TRAIT_DEF(Has_features)
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template <typename Mesh_domain,
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bool has_Has_features = has_Has_features<Mesh_domain>::value>
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struct Has_features :
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public CGAL::Boolean_tag<Mesh_domain::Has_features::value>
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// when Mesh_domain has the nested type Has_features
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{};
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template <typename Mesh_domain>
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struct Has_features<Mesh_domain, false> : public CGAL::Tag_false
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// when Mesh_domain does not have the nested type Has_features
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{};
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} // end namespace internal
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} // end namespace Mesh_3
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} // end namespace CGAL
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#endif // CGAL_MESH_3_HAS_FEATURES_H
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