File: doc_slist_algorithms.cpp

package info (click to toggle)
boost1.88 1.88.0-1
  • links: PTS, VCS
  • area: main
  • in suites: sid, trixie
  • size: 576,932 kB
  • sloc: cpp: 4,149,234; xml: 136,789; ansic: 35,092; python: 33,910; asm: 5,698; sh: 4,604; ada: 1,681; makefile: 1,633; pascal: 1,139; perl: 1,124; sql: 640; yacc: 478; ruby: 271; java: 77; lisp: 24; csh: 6
file content (60 lines) | stat: -rw-r--r-- 1,699 bytes parent folder | download | duplicates (13)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
/////////////////////////////////////////////////////////////////////////////
//
// (C) Copyright Ion Gaztanaga  2006-2013
//
// Distributed under the Boost Software License, Version 1.0.
//    (See accompanying file LICENSE_1_0.txt or copy at
//          http://www.boost.org/LICENSE_1_0.txt)
//
// See http://www.boost.org/libs/intrusive for documentation.
//
/////////////////////////////////////////////////////////////////////////////
//[doc_slist_algorithms_code
#include <boost/intrusive/circular_slist_algorithms.hpp>
#include <cassert>

struct my_node
{
   my_node *next_;
   //other members...
};

//Define our own slist_node_traits
struct my_slist_node_traits
{
   typedef my_node                                 node;
   typedef my_node *                               node_ptr;
   typedef const my_node *                         const_node_ptr;
   static node_ptr get_next(const_node_ptr n)      {  return n->next_;  }
   static void set_next(node_ptr n, node_ptr next) {  n->next_ = next;  }
};

int main()
{
   typedef boost::intrusive::circular_slist_algorithms<my_slist_node_traits> algo;
   my_node one, two, three;

   //Create an empty singly linked list container:
   //"one" will be the first node of the container
   algo::init_header(&one);
   assert(algo::count(&one) == 1);

   //Now add a new node
   algo::link_after(&one, &two);
   assert(algo::count(&one) == 2);

   //Now add a new node after "one"
   algo::link_after(&one, &three);
   assert(algo::count(&one) == 3);

   //Now unlink the node after one
   algo::unlink_after(&one);
   assert(algo::count(&one) == 2);

   //Now unlink two
   algo::unlink(&two);
   assert(algo::count(&one) == 1);

   return 0;
}
//]