libstdc++
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00001 // -*- C++ -*- 00002 00003 // Copyright (C) 2005, 2006, 2009, 2010 Free Software Foundation, Inc. 00004 // 00005 // This file is part of the GNU ISO C++ Library. This library is free 00006 // software; you can redistribute it and/or modify it under the terms 00007 // of the GNU General Public License as published by the Free Software 00008 // Foundation; either version 3, or (at your option) any later 00009 // version. 00010 00011 // This library is distributed in the hope that it will be useful, but 00012 // WITHOUT ANY WARRANTY; without even the implied warranty of 00013 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00014 // General Public License for more details. 00015 00016 // Under Section 7 of GPL version 3, you are granted additional 00017 // permissions described in the GCC Runtime Library Exception, version 00018 // 3.1, as published by the Free Software Foundation. 00019 00020 // You should have received a copy of the GNU General Public License and 00021 // a copy of the GCC Runtime Library Exception along with this program; 00022 // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 00023 // <http://www.gnu.org/licenses/>. 00024 00025 // Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL. 00026 00027 // Permission to use, copy, modify, sell, and distribute this software 00028 // is hereby granted without fee, provided that the above copyright 00029 // notice appears in all copies, and that both that copyright notice 00030 // and this permission notice appear in supporting documentation. None 00031 // of the above authors, nor IBM Haifa Research Laboratories, make any 00032 // representation about the suitability of this software for any 00033 // purpose. It is provided "as is" without express or implied 00034 // warranty. 00035 00036 /** 00037 * @file branch_policy/null_node_metadata.hpp 00038 * Contains an implementation class for tree-like classes. 00039 */ 00040 00041 #ifndef PB_DS_0_NODE_METADATA_HPP 00042 #define PB_DS_0_NODE_METADATA_HPP 00043 00044 #include <ext/pb_ds/detail/types_traits.hpp> 00045 00046 namespace __gnu_pbds 00047 { 00048 namespace detail 00049 { 00050 /// Constant node iterator. 00051 template<typename Key, typename Data, typename _Alloc> 00052 struct dumnode_const_iterator 00053 { 00054 private: 00055 typedef types_traits<Key, Data, _Alloc, false> __traits_type; 00056 typedef typename __traits_type::pointer const_iterator; 00057 00058 public: 00059 typedef const_iterator value_type; 00060 typedef const_iterator const_reference; 00061 typedef const_reference reference; 00062 }; 00063 } // namespace detail 00064 } // namespace __gnu_pbds 00065 00066 #endif