37 lines
1.0 KiB
C++
37 lines
1.0 KiB
C++
// Copyright (c) 1997
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// Utrecht University (The Netherlands),
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// ETH Zurich (Switzerland),
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// INRIA Sophia-Antipolis (France),
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// Max-Planck-Institute Saarbruecken (Germany),
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// and Tel-Aviv University (Israel). All rights reserved.
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//
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// This file is part of CGAL (www.cgal.org)
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//
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// $URL: https://github.com/CGAL/cgal/blob/v5.1/Modifier/include/CGAL/Modifier_base.h $
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// $Id: Modifier_base.h 0779373 2020-03-26T13:31:46+01:00 Sébastien Loriot
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// SPDX-License-Identifier: LGPL-3.0-or-later OR LicenseRef-Commercial
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//
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//
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// Author(s) : Lutz Kettner <kettner@inf.ethz.ch>
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#ifndef CGAL_MODIFIER_BASE_H
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#define CGAL_MODIFIER_BASE_H 1
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namespace CGAL {
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template <class R>
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class Modifier_base {
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// Abstract Base Class for protected internal access.
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// It defines the common interface for all modifiers.
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public:
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typedef R Representation;
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virtual void operator()( R& rep) = 0;
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// Postcondition: `rep' is a valid representation.
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virtual ~Modifier_base() {}
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};
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} //namespace CGAL
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#endif // CGAL_MODIFIER_BASE_H //
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// EOF //
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