50 lines
1.4 KiB
C
50 lines
1.4 KiB
C
|
// Copyright (c) 2004
|
||
|
|
// Utrecht University (The Netherlands),
|
||
|
|
// ETH Zurich (Switzerland),
|
||
|
|
// INRIA Sophia-Antipolis (France),
|
||
|
|
// Max-Planck-Institute Saarbruecken (Germany),
|
||
|
|
// and Tel-Aviv University (Israel). 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 Lesser 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.
|
||
|
|
//
|
||
|
|
// $URL$
|
||
|
|
// $Id$
|
||
|
|
// SPDX-License-Identifier: LGPL-3.0+
|
||
|
|
//
|
||
|
|
//
|
||
|
|
// Author(s) : Sylvain Pion
|
||
|
|
|
||
|
|
#ifndef CGAL_KERNEL_MPL_H
|
||
|
|
#define CGAL_KERNEL_MPL_H
|
||
|
|
|
||
|
|
#include <CGAL/config.h>
|
||
|
|
|
||
|
|
// Some tools for basic template metaprogramming.
|
||
|
|
// These bits should move to CGAL/mpl.h in STL_Extension, or taken from Boost.
|
||
|
|
|
||
|
|
namespace CGAL {
|
||
|
|
|
||
|
|
// The additionnal int parameter is to obtain different types.
|
||
|
|
template < typename A, typename B, int = 0 >
|
||
|
|
struct First_if_different {
|
||
|
|
typedef A Type;
|
||
|
|
};
|
||
|
|
|
||
|
|
template < typename A, int i >
|
||
|
|
struct First_if_different<A, A, i> {
|
||
|
|
struct Type{};
|
||
|
|
};
|
||
|
|
|
||
|
|
} //namespace CGAL
|
||
|
|
|
||
|
|
#endif
|