ceph/src/boost/libs/mpl/doc/refmanual/random-access-sequence.html

   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 0.7: http://docutils.sourceforge.net/" />
   7 <title>The MPL Reference Manual: Random Access Sequence</title>
   8 <link rel="stylesheet" href="../style.css" type="text/css" />
   9 </head>
  10 <body class="docframe refmanual">
  11 <table class="header"><tr class="header"><td class="header-group navigation-bar"><span class="navigation-group"><a href="./bidirectional-sequence.html" class="navigation-link">Prev</a>&nbsp;<a href="./extensible-sequence.html" class="navigation-link">Next</a></span><span class="navigation-group-separator">&nbsp;|&nbsp;</span><span class="navigation-group"><a href="./bidirectional-sequence.html" class="navigation-link">Back</a>&nbsp;<a href="./extensible-sequence.html" class="navigation-link">Along</a></span><span class="navigation-group-separator">&nbsp;|&nbsp;</span><span class="navigation-group"><a href="./concepts.html" class="navigation-link">Up</a>&nbsp;<a href="../refmanual.html" class="navigation-link">Home</a></span><span class="navigation-group-separator">&nbsp;|&nbsp;</span><span class="navigation-group"><a href="./refmanual_toc.html" class="navigation-link">Full TOC</a></span></td>
  12 <td class="header-group page-location"><a href="../refmanual.html" class="navigation-link">Front Page</a> / <a href="./sequences.html" class="navigation-link">Sequences</a> / <a href="./concepts.html" class="navigation-link">Concepts</a> / <a href="./random-access-sequence.html" class="navigation-link">Random Access Sequence</a></td>
  13 </tr></table><div class="header-separator"></div>
  14 <div class="section" id="random-access-sequence">
  15 <h1><a class="toc-backref" href="./concepts.html#id1397">Random Access Sequence</a></h1>
  16 <div class="section" id="id6">
  17 <h3><a class="subsection-title" href="#description" name="description">Description</a></h3>
  18 <p>A <a class="reference internal" href="./random-access-sequence.html">Random Access Sequence</a> is a <a class="reference internal" href="./bidirectional-sequence.html">Bidirectional Sequence</a> whose iterators model
  19 <a class="reference internal" href="./random-access-iterator.html">Random Access Iterator</a>. A random access sequence guarantees amortized constant
  20 time access to an arbitrary sequence element.</p>
  21 </div>
  22 <div class="section" id="id7">
  23 <h3><a class="subsection-title" href="#refinement-of" name="refinement-of">Refinement of</a></h3>
  24 <p><a class="reference internal" href="./bidirectional-sequence.html">Bidirectional Sequence</a></p>
  25 </div>
  26 <div class="section" id="id8">
  27 <h3><a class="subsection-title" href="#expression-requirements" name="expression-requirements">Expression requirements</a></h3>
  28 <p>In addition to the requirements defined in <a class="reference internal" href="./bidirectional-sequence.html">Bidirectional Sequence</a>,
  29 for any <a class="reference internal" href="./random-access-sequence.html">Random Access Sequence</a> <tt class="literal"><span class="pre">s</span></tt> the following must be met:</p>
  30 <table border="1" class="docutils table">
  31 <colgroup>
  32 <col width="30%" />
  33 <col width="39%" />
  34 <col width="30%" />
  35 </colgroup>
  36 <thead valign="bottom">
  37 <tr><th class="head">Expression</th>
  38 <th class="head">Type</th>
  39 <th class="head">Complexity</th>
  40 </tr>
  41 </thead>
  42 <tbody valign="top">
  43 <tr><td><tt class="literal"><span class="pre"><a href="./begin.html" class="identifier">begin</a>&lt;s&gt;::type</span></tt></td>
  44 <td><a class="reference internal" href="./random-access-iterator.html">Random Access Iterator</a></td>
  45 <td>Amortized constant time</td>
  46 </tr>
  47 <tr><td><tt class="literal"><span class="pre"><a href="./end.html" class="identifier">end</a>&lt;s&gt;::type</span></tt></td>
  48 <td><a class="reference internal" href="./random-access-iterator.html">Random Access Iterator</a></td>
  49 <td>Amortized constant time</td>
  50 </tr>
  51 <tr><td><tt class="literal"><span class="pre"><a href="./at.html" class="identifier">at</a>&lt;s,n&gt;::type</span></tt></td>
  52 <td>Any type</td>
  53 <td>Amortized constant time</td>
  54 </tr>
  55 </tbody>
  56 </table>
  57 </div>
  58 <div class="section" id="id9">
  59 <h3><a class="subsection-title" href="#expression-semantics" name="expression-semantics">Expression semantics</a></h3>
  60 <p>Semantics of an expression is defined only where it differs from, or is not
  61 defined in <a class="reference internal" href="./bidirectional-sequence.html">Bidirectional Sequence</a>.</p>
  62 <table border="1" class="docutils table">
  63 <colgroup>
  64 <col width="28%" />
  65 <col width="72%" />
  66 </colgroup>
  67 <thead valign="bottom">
  68 <tr><th class="head">Expression</th>
  69 <th class="head">Semantics</th>
  70 </tr>
  71 </thead>
  72 <tbody valign="top">
  73 <tr><td><tt class="literal"><span class="pre"><a href="./at.html" class="identifier">at</a>&lt;s,n&gt;::type</span></tt></td>
  74 <td>The <tt class="literal"><span class="pre">n</span></tt>th element from the beginning of the sequence; see <a class="reference internal" href="./at.html">at</a>.</td>
  75 </tr>
  76 </tbody>
  77 </table>
  78 </div>
  79 <div class="section" id="id10">
  80 <h3><a class="subsection-title" href="#models" name="models">Models</a></h3>
  81 <ul class="simple">
  82 <li><a class="reference internal" href="./vector.html">vector</a></li>
  83 <li><a class="reference internal" href="./range-c.html">range_c</a></li>
  84 </ul>
  85 </div>
  86 <div class="section" id="id11">
  87 <h3><a class="subsection-title" href="#see-also" name="see-also">See also</a></h3>
  88 <p><a class="reference internal" href="./sequences.html">Sequences</a>, <a class="reference internal" href="./bidirectional-sequence.html">Bidirectional Sequence</a>, <a class="reference internal" href="./extensible-sequence.html">Extensible Sequence</a>, <a class="reference internal" href="./random-access-iterator.html">Random Access Iterator</a>,
  89 <a class="reference internal" href="./begin.html">begin</a> / <a class="reference internal" href="./end.html">end</a>, <a class="reference internal" href="./at.html">at</a></p>
  90 <!-- Sequences/Concepts//Extensible Sequence |40 -->
  91 </div>
  92 </div>
  93
  94 <div class="footer-separator"></div>
  95 <table class="footer"><tr class="footer"><td class="header-group navigation-bar"><span class="navigation-group"><a href="./bidirectional-sequence.html" class="navigation-link">Prev</a>&nbsp;<a href="./extensible-sequence.html" class="navigation-link">Next</a></span><span class="navigation-group-separator">&nbsp;|&nbsp;</span><span class="navigation-group"><a href="./bidirectional-sequence.html" class="navigation-link">Back</a>&nbsp;<a href="./extensible-sequence.html" class="navigation-link">Along</a></span><span class="navigation-group-separator">&nbsp;|&nbsp;</span><span class="navigation-group"><a href="./concepts.html" class="navigation-link">Up</a>&nbsp;<a href="../refmanual.html" class="navigation-link">Home</a></span><span class="navigation-group-separator">&nbsp;|&nbsp;</span><span class="navigation-group"><a href="./refmanual_toc.html" class="navigation-link">Full TOC</a></span></td>
  96 <td><div class="copyright-footer"><div class="copyright">Copyright ©  2001-2009 Aleksey Gurtovoy and David Abrahams</div>
  97 Distributed under the Boost Software License, Version 1.0. (See accompanying
  98 file LICENSE_1_0.txt or copy at <a class="reference external" href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)</div></td></tr></table></body>
  99 </html>