]>
Commit | Line | Data |
---|---|---|
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>Lvalue Iterator Concept</title> | |
8 | <link rel="stylesheet" href="../../../rst.css" type="text/css" /> | |
9 | </head> | |
10 | <body> | |
11 | <div class="document" id="lvalue-iterator-concept"> | |
12 | <h1 class="title">Lvalue 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>The <em>Lvalue Iterator</em> concept adds the requirement that the return | |
18 | type of <tt class="docutils literal"><span class="pre">operator*</span></tt> type be a reference to the value type of the | |
19 | iterator.</p> | |
20 | <table border="1" class="docutils"> | |
21 | <colgroup> | |
22 | <col width="22%" /> | |
23 | <col width="19%" /> | |
24 | <col width="59%" /> | |
25 | </colgroup> | |
26 | <thead valign="bottom"> | |
27 | <tr><th class="head" colspan="3">Lvalue Iterator Requirements</th> | |
28 | </tr> | |
29 | <tr><th class="head">Expression</th> | |
30 | <th class="head">Return Type</th> | |
31 | <th class="head">Note/Assertion</th> | |
32 | </tr> | |
33 | </thead> | |
34 | <tbody valign="top"> | |
35 | <tr><td><tt class="docutils literal"><span class="pre">*a</span></tt></td> | |
36 | <td><tt class="docutils literal"><span class="pre">T&</span></tt></td> | |
37 | <td><tt class="docutils literal"><span class="pre">T</span></tt> is <em>cv</em> | |
38 | <tt class="docutils literal"><span class="pre">iterator_traits<X>::value_type</span></tt> | |
39 | where <em>cv</em> is an optional | |
40 | cv-qualification. | |
41 | pre: <tt class="docutils literal"><span class="pre">a</span></tt> is | |
42 | dereferenceable. If <tt class="docutils literal"><span class="pre">a</span> | |
43 | <span class="pre">==</span> <span class="pre">b</span></tt> then <tt class="docutils literal"><span class="pre">*a</span></tt> is | |
44 | equivalent to <tt class="docutils literal"><span class="pre">*b</span></tt>.</td> | |
45 | </tr> | |
46 | </tbody> | |
47 | </table> | |
48 | </div> | |
49 | <div class="footer"> | |
50 | <hr class="footer" /> | |
51 | <a class="reference external" href="LvalueIterator.rst">View document source</a>. | |
52 | Generated 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. | |
53 | ||
54 | </div> | |
55 | </body> | |
56 | </html> |