libstdc++
sample_tree_node_update.hpp
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1 // -*- C++ -*-
2 
3 // Copyright (C) 2005-2017 Free Software Foundation, Inc.
4 //
5 // This file is part of the GNU ISO C++ Library. This library is free
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16 // Under Section 7 of GPL version 3, you are granted additional
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18 // 3.1, as published by the Free Software Foundation.
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25 // Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
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35 
36 /**
37  * @file tree_policy/sample_tree_node_update.hpp
38  * Contains a samle node update functor.
39  */
40 
41 #ifndef PB_DS_SAMPLE_TREE_NODE_UPDATOR_HPP
42 #define PB_DS_SAMPLE_TREE_NODE_UPDATOR_HPP
43 
44 namespace __gnu_pbds
45 {
46  /// A sample node updator.
47  template<typename Const_Node_Iter, typename Node_Iter, typename Cmp_Fn,
48  typename _Alloc>
50  {
51  typedef std::size_t metadata_type;
52 
53  /// Default constructor.
55 
56  /// Updates the rank of a node through a node_iterator node_it;
57  /// end_nd_it is the end node iterator.
58  inline void
59  operator()(node_iterator node_it, node_const_iterator end_nd_it) const;
60  };
61 }
62 #endif // #ifndef PB_DS_SAMPLE_TREE_NODE_UPDATOR_HPP
GNU extensions for policy-based data structures for public use.