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: Extensible 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="./random-access-sequence.html" class="navigation-link">Prev</a> <a href="./front-extensible-sequence.html" class="navigation-link">Next</a></span><span class="navigation-group-separator"> | </span><span class="navigation-group"><a href="./random-access-sequence.html" class="navigation-link">Back</a> <a href="./front-extensible-sequence.html" class="navigation-link">Along</a></span><span class="navigation-group-separator"> | </span><span class="navigation-group"><a href="./concepts.html" class="navigation-link">Up</a> <a href="../refmanual.html" class="navigation-link">Home</a></span><span class="navigation-group-separator"> | </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="./extensible-sequence.html" class="navigation-link">Extensible Sequence</a></td> 13</tr></table><div class="header-separator"></div> 14<div class="section" id="extensible-sequence"> 15<h1><a class="toc-backref" href="./concepts.html#id1398">Extensible Sequence</a></h1> 16<div class="section" id="id12"> 17<h3><a class="subsection-title" href="#description" name="description">Description</a></h3> 18<p>An <a class="reference internal" href="./extensible-sequence.html">Extensible Sequence</a> is a sequence that supports insertion and removal of 19elements. Extensibility is orthogonal to sequence traversal characteristics.</p> 20</div> 21<div class="section" id="id13"> 22<h3><a class="subsection-title" href="#expression-requirements" name="expression-requirements">Expression requirements</a></h3> 23<p>For any <a class="reference internal" href="./extensible-sequence.html">Extensible Sequence</a> <tt class="literal"><span class="pre">s</span></tt>, its iterators <tt class="literal"><span class="pre">pos</span></tt> and <tt class="literal"><span class="pre">last</span></tt>, 24<a class="reference internal" href="./forward-sequence.html">Forward Sequence</a> <tt class="literal"><span class="pre">r</span></tt>, and any type <tt class="literal"><span class="pre">x</span></tt>, the following expressions must 25be valid:</p> 26<table border="1" class="docutils table"> 27<colgroup> 28<col width="39%" /> 29<col width="30%" /> 30<col width="30%" /> 31</colgroup> 32<thead valign="bottom"> 33<tr><th class="head">Expression</th> 34<th class="head">Type</th> 35<th class="head">Complexity</th> 36</tr> 37</thead> 38<tbody valign="top"> 39<tr><td><tt class="literal"><span class="pre"><a href="./insert.html" class="identifier">insert</a><s,pos,x>::type</span></tt></td> 40<td><a class="reference internal" href="./extensible-sequence.html">Extensible Sequence</a></td> 41<td>Unspecified</td> 42</tr> 43<tr><td><tt class="literal"><span class="pre"><a href="./insert-range.html" class="identifier">insert_range</a><s,pos,r>::type</span></tt></td> 44<td><a class="reference internal" href="./extensible-sequence.html">Extensible Sequence</a></td> 45<td>Unspecified</td> 46</tr> 47<tr><td><tt class="literal"><span class="pre"><a href="./erase.html" class="identifier">erase</a><s,pos>::type</span></tt></td> 48<td><a class="reference internal" href="./extensible-sequence.html">Extensible Sequence</a></td> 49<td>Unspecified</td> 50</tr> 51<tr><td><tt class="literal"><span class="pre"><a href="./erase.html" class="identifier">erase</a><s,pos,last>::type</span></tt></td> 52<td><a class="reference internal" href="./extensible-sequence.html">Extensible Sequence</a></td> 53<td>Unspecified</td> 54</tr> 55<tr><td><tt class="literal"><span class="pre"><a href="./clear.html" class="identifier">clear</a><s>::type</span></tt></td> 56<td><a class="reference internal" href="./extensible-sequence.html">Extensible Sequence</a></td> 57<td>Constant time</td> 58</tr> 59</tbody> 60</table> 61</div> 62<div class="section" id="id14"> 63<h3><a class="subsection-title" href="#expression-semantics" name="expression-semantics">Expression semantics</a></h3> 64<table border="1" class="docutils table"> 65<colgroup> 66<col width="36%" /> 67<col width="64%" /> 68</colgroup> 69<thead valign="bottom"> 70<tr><th class="head">Expression</th> 71<th class="head">Semantics</th> 72</tr> 73</thead> 74<tbody valign="top"> 75<tr><td><tt class="literal"><span class="pre"><a href="./insert.html" class="identifier">insert</a><s,pos,x>::type</span></tt></td> 76<td>A new sequence, concept-identical to <tt class="literal"><span class="pre">s</span></tt>, of 77the following elements: 78[<tt class="literal"><span class="pre"><a href="./begin.html" class="identifier">begin</a><s>::type</span></tt>, <tt class="literal"><span class="pre">pos</span></tt>), <tt class="literal"><span class="pre">x</span></tt>, 79[<tt class="literal"><span class="pre">pos</span></tt>, <tt class="literal"><span class="pre"><a href="./end.html" class="identifier">end</a><s>::type</span></tt>); see <a class="reference internal" href="./insert.html">insert</a>.</td> 80</tr> 81<tr><td><tt class="literal"><span class="pre"><a href="./insert-range.html" class="identifier">insert_range</a><s,pos,r>::type</span></tt></td> 82<td>A new sequence, concept-identical to <tt class="literal"><span class="pre">s</span></tt>, of 83the following elements: 84[<tt class="literal"><span class="pre"><a href="./begin.html" class="identifier">begin</a><s>::type</span></tt>, <tt class="literal"><span class="pre">pos</span></tt>), 85[<tt class="literal"><span class="pre"><a href="./begin.html" class="identifier">begin</a><r>::type</span></tt>, <tt class="literal"><span class="pre"><a href="./end.html" class="identifier">end</a><r>::type</span></tt>), 86[<tt class="literal"><span class="pre">pos</span></tt>, <tt class="literal"><span class="pre"><a href="./end.html" class="identifier">end</a><s>::type</span></tt>); see <a class="reference internal" href="./insert-range.html">insert_range</a>.</td> 87</tr> 88<tr><td><tt class="literal"><span class="pre"><a href="./erase.html" class="identifier">erase</a><s,pos>::type</span></tt></td> 89<td>A new sequence, concept-identical to <tt class="literal"><span class="pre">s</span></tt>, of 90the following elements: 91[<tt class="literal"><span class="pre"><a href="./begin.html" class="identifier">begin</a><s>::type</span></tt>, <tt class="literal"><span class="pre">pos</span></tt>), 92[<tt class="literal"><span class="pre"><a href="./next.html" class="identifier">next</a><pos>::type</span></tt>, <tt class="literal"><span class="pre"><a href="./end.html" class="identifier">end</a><s>::type</span></tt>); see <a class="reference internal" href="./erase.html">erase</a>.</td> 93</tr> 94<tr><td><tt class="literal"><span class="pre"><a href="./erase.html" class="identifier">erase</a><s,pos,last>::type</span></tt></td> 95<td>A new sequence, concept-identical to <tt class="literal"><span class="pre">s</span></tt>, of 96the following elements: 97[<tt class="literal"><span class="pre"><a href="./begin.html" class="identifier">begin</a><s>::type</span></tt>, <tt class="literal"><span class="pre">pos</span></tt>), 98[<tt class="literal"><span class="pre">last</span></tt>, <tt class="literal"><span class="pre"><a href="./end.html" class="identifier">end</a><s>::type</span></tt>); see <a class="reference internal" href="./erase.html">erase</a>.</td> 99</tr> 100<tr><td><tt class="literal"><span class="pre"><a href="./clear.html" class="identifier">clear</a><s>::type</span></tt></td> 101<td>An empty sequence concept-identical to <tt class="literal"><span class="pre">s</span></tt>; see 102<a class="reference internal" href="./clear.html">clear</a>.</td> 103</tr> 104</tbody> 105</table> 106</div> 107<div class="section" id="id15"> 108<h3><a class="subsection-title" href="#models" name="models">Models</a></h3> 109<ul class="simple"> 110<li><a class="reference internal" href="./vector.html">vector</a></li> 111<li><a class="reference internal" href="./list.html">list</a></li> 112</ul> 113</div> 114<div class="section" id="id16"> 115<h3><a class="subsection-title" href="#see-also" name="see-also">See also</a></h3> 116<p><a class="reference internal" href="./sequences.html">Sequences</a>, <a class="reference internal" href="./back-extensible-sequence.html">Back Extensible Sequence</a>, <a class="reference internal" href="./insert.html">insert</a>, <a class="reference internal" href="./insert-range.html">insert_range</a>, <a class="reference internal" href="./erase.html">erase</a>, <a class="reference internal" href="./clear.html">clear</a></p> 117<!-- Sequences/Concepts//Front Extensible Sequence |50 --> 118</div> 119</div> 120 121<div class="footer-separator"></div> 122<table class="footer"><tr class="footer"><td class="header-group navigation-bar"><span class="navigation-group"><a href="./random-access-sequence.html" class="navigation-link">Prev</a> <a href="./front-extensible-sequence.html" class="navigation-link">Next</a></span><span class="navigation-group-separator"> | </span><span class="navigation-group"><a href="./random-access-sequence.html" class="navigation-link">Back</a> <a href="./front-extensible-sequence.html" class="navigation-link">Along</a></span><span class="navigation-group-separator"> | </span><span class="navigation-group"><a href="./concepts.html" class="navigation-link">Up</a> <a href="../refmanual.html" class="navigation-link">Home</a></span><span class="navigation-group-separator"> | </span><span class="navigation-group"><a href="./refmanual_toc.html" class="navigation-link">Full TOC</a></span></td> 123<td><div class="copyright-footer"><div class="copyright">Copyright © 2001-2009 Aleksey Gurtovoy and David Abrahams</div> 124Distributed under the Boost Software License, Version 1.0. (See accompanying 125file 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> 126</html> 127