00001 // Copyright (C) 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_FIX_RETURN_HH 00027 # define MLN_METAL_FIX_RETURN_HH 00028 00036 # define mlc_fix_return(T) typename mln::metal::fix_return< T >::ret 00037 00038 00039 namespace mln 00040 { 00041 00042 namespace metal 00043 { 00044 00045 // No-op. 00046 template <typename T> struct fix_return { typedef T ret; }; 00047 template <typename T> struct fix_return< T& > { typedef T& ret; }; 00048 template <typename T> struct fix_return< const T& > { typedef const T& ret; }; 00049 template <typename T> struct fix_return< T* > { typedef T* ret; }; 00050 template <typename T> struct fix_return< const T* > { typedef const T* ret; }; 00051 00052 // Remove const. 00053 template <typename T> struct fix_return< const T > { typedef T ret; }; 00054 template <typename T> struct fix_return< T* const > { typedef T* ret; }; 00055 template <typename T> struct fix_return< const T* const > { typedef const T* ret; }; 00056 00057 } // end of namespace mln::metal 00058 00059 } // end of namespace mln 00060 00061 00062 #endif // ! MLN_METAL_FIX_RETURN_HH
1.7.1