Attempt to represent the S^2->S^3 header reorganisation as a series of "hg rename" operations
1 /* Copyright 2003-2006 Joaquín M López Muñoz.
2 * Distributed under the Boost Software License, Version 1.0.
3 * (See accompanying file LICENSE_1_0.txt or copy at
4 * http://www.boost.org/LICENSE_1_0.txt)
6 * See http://www.boost.org/libs/multi_index for library home page.
9 #ifndef BOOST_MULTI_INDEX_DETAIL_DUPLICATES_ITERATOR_HPP
10 #define BOOST_MULTI_INDEX_DETAIL_DUPLICATES_ITERATOR_HPP
12 #if defined(_MSC_VER)&&(_MSC_VER>=1200)
16 #include <boost/config.hpp> /* keep it first to prevent nasty warns in MSVC */
22 namespace multi_index{
26 /* duplicates_operator is given a range of ordered elements and
27 * passes only over those which are duplicated.
30 template<typename Node,typename Predicate>
31 class duplicates_iterator
34 typedef typename Node::value_type value_type;
35 typedef std::ptrdiff_t difference_type;
36 typedef const typename Node::value_type* pointer;
37 typedef const typename Node::value_type& reference;
38 typedef std::forward_iterator_tag iterator_category;
40 duplicates_iterator(Node* node_,Node* end_,Predicate pred_):
41 node(node_),begin_chunk(0),end(end_),pred(pred_)
46 duplicates_iterator(Node* end_,Predicate pred_):
47 node(end_),begin_chunk(end_),end(end_),pred(pred_)
51 reference operator*()const
56 pointer operator->()const
58 return &node->value();
61 duplicates_iterator& operator++()
63 Node::increment(node);
68 duplicates_iterator operator++(int)
70 duplicates_iterator tmp(*this);
75 Node* get_node()const{return node;}
80 if(node!=end&&pred(begin_chunk->value(),node->value()))advance();
85 for(Node* node2=node;node!=end;node=node2){
86 Node::increment(node2);
87 if(node2!=end&&!pred(node->value(),node2->value()))break;
98 template<typename Node,typename Predicate>
100 const duplicates_iterator<Node,Predicate>& x,
101 const duplicates_iterator<Node,Predicate>& y)
103 return x.get_node()==y.get_node();
106 template<typename Node,typename Predicate>
108 const duplicates_iterator<Node,Predicate>& x,
109 const duplicates_iterator<Node,Predicate>& y)
114 } /* namespace multi_index::detail */
116 } /* namespace multi_index */
118 } /* namespace boost */