39 lines
872 B
C
39 lines
872 B
C
|
// Copyright (c) 2010 GeometryFactory (France).
|
||
|
|
// All rights reserved.
|
||
|
|
//
|
||
|
|
// This file is part of CGAL (www.cgal.org)
|
||
|
|
//
|
||
|
|
// $URL: https://github.com/CGAL/cgal/blob/v5.1/STL_Extension/include/CGAL/internal/info_check.h $
|
||
|
|
// $Id: info_check.h 0779373 2020-03-26T13:31:46+01:00 Sébastien Loriot
|
||
|
|
// SPDX-License-Identifier: LGPL-3.0-or-later OR LicenseRef-Commercial
|
||
|
|
//
|
||
|
|
//
|
||
|
|
// 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
|