Milena (Olena)
User documentation 2.0a Id
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00001 // Copyright (C) 2009, 2011 EPITA Research and Development Laboratory 00002 // (LRDE) 00003 // 00004 // This file is part of Olena. 00005 // 00006 // Olena is free software: you can redistribute it and/or modify it under 00007 // the terms of the GNU General Public License as published by the Free 00008 // Software Foundation, version 2 of the License. 00009 // 00010 // Olena is distributed in the hope that it will be useful, 00011 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00012 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00013 // General Public License for more details. 00014 // 00015 // You should have received a copy of the GNU General Public License 00016 // along with Olena. If not, see <http://www.gnu.org/licenses/>. 00017 // 00018 // As a special exception, you may use this file as part of a free 00019 // software project without restriction. Specifically, if other files 00020 // instantiate templates or use macros or inline functions from this 00021 // file, or you compile this file and link it with other files to produce 00022 // an executable, this file does not by itself cause the resulting 00023 // executable to be covered by the GNU General Public License. This 00024 // exception does not however invalidate any other reasons why the 00025 // executable file might be covered by the GNU General Public License. 00026 00027 #ifndef MLN_LITERAL_IDENTITY_HH 00028 # define MLN_LITERAL_IDENTITY_HH 00029 00033 00034 # include <mln/core/concept/literal.hh> 00035 00036 00037 namespace mln 00038 { 00039 00040 namespace literal 00041 { 00042 00044 struct identity_t : public Literal<identity_t> 00045 { 00046 // This default constructor is needed for compilation with gcc 00047 // 4.6.0, gcc 4.6.1 and Clang. 00048 identity_t(); 00049 }; 00050 00052 extern const identity_t identity; 00053 00054 # ifndef MLN_INCLUDE_ONLY 00055 00056 inline 00057 identity_t::identity_t() 00058 { 00059 } 00060 00061 # ifndef MLN_WO_GLOBAL_VARS 00062 00063 const identity_t identity; 00064 00065 # endif // !MLN_WO_GLOBAL_VARS 00066 00067 # endif 00068 00069 } // end of namespace mln::literal 00070 00071 } // end of namespace mln 00072 00073 00074 #endif // ! MLN_LITERAL_IDENTITY_HH