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updated boost from 1_33_1 to 1_34_1
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1<?xml version="1.0" encoding="utf-8" ?>
2<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
3<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
4<head>
5<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
6<meta name="generator" content="Docutils 0.5: http://docutils.sourceforge.net/" />
7<title>Single Pass Iterator Concept</title>
8<link rel="stylesheet" href="../../../rst.css" type="text/css" />
9</head>
10<body>
11<div class="document" id="single-pass-iterator-concept">
12<h1 class="title">Single Pass Iterator Concept</h1>
13
14<!-- Copyright David Abrahams 2006. Distributed under the Boost -->
15<!-- Software License, Version 1.0. (See accompanying -->
16<!-- file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) -->
17<p>A class or built-in type <tt class="docutils literal"><span class="pre">X</span></tt> models the <em>Single Pass Iterator</em>
18concept if the following expressions are valid and respect the stated
19semantics.</p>
20<table border="1" class="docutils">
21<colgroup>
22<col width="36%" />
23<col width="33%" />
24<col width="31%" />
25</colgroup>
26<thead valign="bottom">
27<tr><th class="head" colspan="3">Single Pass Iterator Requirements (in addition to Incrementable Iterator and Equality
28Comparable)</th>
29</tr>
30<tr><th class="head">Expression</th>
31<th class="head">Return Type</th>
32<th class="head">Assertion/Semantics /
33Pre-/Post-condition</th>
34</tr>
35</thead>
36<tbody valign="top">
37<tr><td><tt class="docutils literal"><span class="pre">++r</span></tt></td>
38<td><tt class="docutils literal"><span class="pre">X&amp;</span></tt></td>
39<td>pre: <tt class="docutils literal"><span class="pre">r</span></tt> is
40dereferenceable; post:
41<tt class="docutils literal"><span class="pre">r</span></tt> is dereferenceable or
42<tt class="docutils literal"><span class="pre">r</span></tt> is past-the-end</td>
43</tr>
44<tr><td><tt class="docutils literal"><span class="pre">a</span> <span class="pre">==</span> <span class="pre">b</span></tt></td>
45<td>convertible to <tt class="docutils literal"><span class="pre">bool</span></tt></td>
46<td><tt class="docutils literal"><span class="pre">==</span></tt> is an equivalence
47relation over its domain</td>
48</tr>
49<tr><td><tt class="docutils literal"><span class="pre">a</span> <span class="pre">!=</span> <span class="pre">b</span></tt></td>
50<td>convertible to <tt class="docutils literal"><span class="pre">bool</span></tt></td>
51<td><tt class="docutils literal"><span class="pre">!(a</span> <span class="pre">==</span> <span class="pre">b)</span></tt></td>
52</tr>
53<tr><td><tt class="docutils literal"><span class="pre">iterator_traversal&lt;X&gt;::type</span></tt></td>
54<td>Convertible to
55<tt class="docutils literal"><span class="pre">single_pass_traversal_tag</span></tt></td>
56<td>&nbsp;</td>
57</tr>
58</tbody>
59</table>
60</div>
61<div class="footer">
62<hr class="footer" />
63<a class="reference external" href="SinglePassIterator.rst">View document source</a>.
64Generated by <a class="reference external" href="http://docutils.sourceforge.net/">Docutils</a> from <a class="reference external" href="http://docutils.sourceforge.net/rst.html">reStructuredText</a> source.
65
66</div>
67</body>
68</html>
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