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_FUN_ACCU_RESULT_HH 00027 # define MLN_FUN_ACCU_RESULT_HH 00028 00029 # include <mln/fun/unary.hh> 00030 # include <mln/core/concept/accumulator.hh> 00031 00032 namespace mln 00033 { 00034 00035 // accu_result: return result of given accumulator. 00036 namespace fun 00037 { 00038 00039 struct accu_result : unary<accu_result> 00040 { 00041 }; 00042 00043 } // end of namespace mln::fun 00044 00045 namespace trait 00046 { 00047 00048 namespace next 00049 { 00050 template <typename E> 00051 struct set_unary_<fun::accu_result, Accumulator, E> 00052 { 00053 typedef set_unary_ ret; 00054 typedef typename E::result result; 00055 typedef mln::Accumulator<E> argument; 00056 00057 static result read(const argument& x) 00058 { 00059 return exact(x).to_result(); 00060 } 00061 }; 00062 00063 } // end of namespace mln::trait::next 00064 00065 } // end of namespace mln::trait 00066 00067 } // end of namespace mln 00068 00069 #endif /* ! MLN_FUN_ACCU_RESULT_HH */
1.7.1