1 /* Has_Assign_Or_Swap classes declarations. 2 Copyright (C) 2001-2010 Roberto Bagnara <bagnara@cs.unipr.it> 3 Copyright (C) 2010-2016 BUGSENG srl (http://bugseng.com) 4 5 This file is part of the Parma Polyhedra Library (PPL). 6 7 The PPL is free software; you can redistribute it and/or modify it 8 under the terms of the GNU General Public License as published by the 9 Free Software Foundation; either version 3 of the License, or (at your 10 option) any later version. 11 12 The PPL is distributed in the hope that it will be useful, but WITHOUT 13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 15 for more details. 16 17 You should have received a copy of the GNU General Public License 18 along with this program; if not, write to the Free Software Foundation, 19 Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1307, USA. 20 21 For the most up-to-date information see the Parma Polyhedra Library 22 site: http://bugseng.com/products/ppl/ . */ 23 24 #ifndef PPL_Has_Assign_Or_Swap_hh 25 #define PPL_Has_Assign_Or_Swap_hh 1 26 27 #include "meta_programming.hh" 28 29 namespace Parma_Polyhedra_Library { 30 31 #ifdef PPL_DOXYGEN_INCLUDE_IMPLEMENTATION_DETAILS 32 /*! \ingroup PPL_CXX_interface 33 The assign_or_swap() method is not present by default. 34 */ 35 #endif // defined(PPL_DOXYGEN_INCLUDE_IMPLEMENTATION_DETAILS) 36 template <typename T, typename Enable = void> 37 struct Has_Assign_Or_Swap : public False { 38 }; 39 40 #ifdef PPL_DOXYGEN_INCLUDE_IMPLEMENTATION_DETAILS 41 /*! \ingroup PPL_CXX_interface 42 The assign_or_swap() method is present if it is present (!). 43 */ 44 #endif // defined(PPL_DOXYGEN_INCLUDE_IMPLEMENTATION_DETAILS) 45 template <typename T> 46 struct Has_Assign_Or_Swap<T, 47 typename Enable_If_Is<void (T::*)(T& x), 48 &T::assign_or_swap>::type> 49 : public True { 50 }; 51 52 } // namespace Parma_Polyhedra_Library 53 54 #endif // !defined(PPL_Has_Assign_Or_Swap_hh) 55