Milena (Olena)
User documentation 2.0a Id
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00001 // Copyright (C) 2010 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_NEXT_HH 00027 # define MLN_VALUE_NEXT_HH 00028 00032 00033 # include <mln/value/label.hh> 00034 00035 00036 namespace mln 00037 { 00038 00039 namespace value 00040 { 00041 00042 template <typename V> 00043 V 00044 next(const V&); 00045 00046 00047 # ifndef MLN_INCLUDE_ONLY 00048 00049 00050 // Implementations 00051 00052 namespace implementation 00053 { 00054 00055 namespace generic 00056 { 00057 00058 template <typename V> 00059 inline 00060 V 00061 next(const V& v) 00062 { 00063 return v + 1; 00064 } 00065 00066 } // end of namespace mln::value::implementation::generic 00067 00068 00069 template <unsigned n> 00070 inline 00071 mln::value::label<n> 00072 next_label(const mln::value::label<n>& v) 00073 { 00074 return v.next(); 00075 } 00076 00077 } // end of namespace mln::value::implementation 00078 00079 00080 00081 // Dispatch 00082 00083 namespace internal 00084 { 00085 00086 template <unsigned n> 00087 inline 00088 label<n> 00089 next_dispatch(const label<n>& v) 00090 { 00091 return implementation::next_label(v); 00092 } 00093 00094 00095 template <typename V> 00096 inline 00097 V 00098 next_dispatch(const V& v) 00099 { 00100 return implementation::generic::next(v); 00101 } 00102 00103 } // end of namespace mln::value::internal 00104 00105 00106 00107 // Facade 00108 00109 template <typename V> 00110 inline 00111 V 00112 next(const V& v) 00113 { 00114 return internal::next_dispatch(v); 00115 } 00116 00117 00118 # endif // ! MLN_INCLUDE_ONLY 00119 00120 00121 } // end of namespace mln::value 00122 00123 } // end of namespace mln 00124 00125 #endif // ! MLN_VALUE_NEXT_HH