00001 // Copyright (C) 2007, 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_VALUE_CONCEPT_DATA_HH 00027 # define MLN_VALUE_CONCEPT_DATA_HH 00028 00034 # include <mln/core/concept/value.hh> 00035 00036 00037 namespace mln 00038 { 00039 00040 // Fwd decl. 00041 namespace value { template <typename E> struct Data; } 00042 00043 00044 namespace trait 00045 { 00046 00047 // FIXME... 00048 00049 } // end of namespace mln::trait 00050 00051 00052 namespace value 00053 { 00054 00055 // Category flag type. 00056 template <> 00057 struct Data<void> 00058 { 00059 typedef Value<void> super; 00060 }; 00061 00062 template <typename E> 00063 struct Data : public Value<E> 00064 { 00065 typedef Data<void> category; 00066 }; 00067 00068 } // end of namespace mln::value 00069 00070 } // end of namespace mln 00071 00072 00073 #endif // ! MLN_VALUE_CONCEPT_DATA_HH