/usr/include/CGAL/internal/info_check.h is in libcgal-dev 4.2-5ubuntu1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 | // Copyright (c) 2010 GeometryFactory (France).
// All rights reserved.
//
// This file is part of CGAL (www.cgal.org).
// You can redistribute it and/or modify it under the terms of the GNU
// General Public License as published by the Free Software Foundation,
// either version 3 of the License, or (at your option) any later version.
//
// Licensees holding a valid commercial license may use this file in
// accordance with the commercial license agreement provided with the software.
//
// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
//
// $URL$
// $Id$
//
//
// Author(s) : Sebastien Loriot
//
#ifndef CGAL_INTERNAL_INFO_CHECK_H
#define CGAL_INTERNAL_INFO_CHECK_H
#include <boost/mpl/has_xxx.hpp>
namespace CGAL {
namespace internal{
BOOST_MPL_HAS_XXX_TRAIT_NAMED_DEF(Has_typedef_Info,Info,false)
template <class T,bool has_info=Has_typedef_Info<T>::value>
struct Info_check{
struct type{};
};
template <class T>
struct Info_check<T,true>{
typedef typename T::Info type;
};
} } //namespace CGAL::internal
#endif //CGAL_INTERNAL_INFO_CHECK_H
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