mirror of https://github.com/CGAL/cgal
45 lines
1.1 KiB
C++
45 lines
1.1 KiB
C++
// Copyright (c) 2010 GeometryFactory (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); you may redistribute it under
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// the terms of the Q Public License version 1.0.
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// See the file LICENSE.QPL distributed with CGAL.
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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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//
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//
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// Author(s) : Sebastien Loriot
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//
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#ifndef CGAL_INTERNAL_INFO_CHECK_H
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#define CGAL_INTERNAL_INFO_CHECK_H
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#include <boost/mpl/has_xxx.hpp>
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namespace CGAL {
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namespace internal{
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BOOST_MPL_HAS_XXX_TRAIT_NAMED_DEF(Has_typedef_Info,Info,false)
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template <class T,bool has_info=Has_typedef_Info<T>::value>
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struct Info_check{
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struct type{};
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};
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template <class T>
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struct Info_check<T,true>{
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typedef typename T::Info type;
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};
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} } //namespace CGAL::internal
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#endif //CGAL_INTERNAL_INFO_CHECK_H
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