00001 // Copyright (C) 2007, 2008, 2009 EPITA Research and Development Laboratory (LRDE) 00002 // 00003 // This file is part of Olena. 00004 // 00005 // Olena is free software: you can redistribute it and/or modify it under 00006 // the terms of the GNU General Public License as published by the Free 00007 // Software Foundation, version 2 of the License. 00008 // 00009 // Olena is distributed in the hope that it will be useful, 00010 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00011 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00012 // General Public License for more details. 00013 // 00014 // You should have received a copy of the GNU General Public License 00015 // along with Olena. If not, see <http://www.gnu.org/licenses/>. 00016 // 00017 // As a special exception, you may use this file as part of a free 00018 // software project without restriction. Specifically, if other files 00019 // instantiate templates or use macros or inline functions from this 00020 // file, or you compile this file and link it with other files to produce 00021 // an executable, this file does not by itself cause the resulting 00022 // executable to be covered by the GNU General Public License. This 00023 // exception does not however invalidate any other reasons why the 00024 // executable file might be covered by the GNU General Public License. 00025 00026 #ifndef MLN_METAL_UNREF_HH 00027 # define MLN_METAL_UNREF_HH 00028 00035 # define mlc_unref(T) typename mln::metal::unref< T >::ret 00036 # define mlc_unref_(T) mln::metal::unref< T >::ret 00037 00038 00039 namespace mln 00040 { 00041 00042 namespace metal 00043 { 00044 00045 template <typename T> 00046 struct unref 00047 { 00048 typedef T ret; 00049 }; 00050 00051 template <typename T> 00052 struct unref< T& > 00053 { 00054 typedef T ret; 00055 }; 00056 00057 template <typename T> 00058 struct unref< const T& > 00059 { 00060 typedef const T ret; 00061 }; 00062 00063 } // end of namespace mln::metal 00064 00065 } // end of namespace mln 00066 00067 00068 #endif // ! MLN_METAL_UNREF_HH