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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"> | |
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| 6 | <meta name="generator" content="Docutils 0.7: http://docutils.sourceforge.net/" /> | |
| 7 | <title>The MPL Reference Manual: Extensible Associative 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="./associative-sequence.html" class="navigation-link">Prev</a> <a href="./integral-sequence-wrapper.html" class="navigation-link">Next</a></span><span class="navigation-group-separator"> | </span><span class="navigation-group"><a href="./associative-sequence.html" class="navigation-link">Back</a> <a href="./integral-sequence-wrapper.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-associative-sequence.html" class="navigation-link">Extensible Associative Sequence</a></td> | |
| 13 | </tr></table><div class="header-separator"></div> | |
| 14 | <div class="section" id="extensible-associative-sequence"> | |
| 15 | <h1><a class="toc-backref" href="./concepts.html#id1402">Extensible Associative Sequence</a></h1> | |
| 16 | <div class="section" id="id35"> | |
| 17 | <h3><a class="subsection-title" href="#description" name="description">Description</a></h3> | |
| 18 | <p>An <a class="reference internal" href="./extensible-associative-sequence.html">Extensible Associative Sequence</a> is an <a class="reference internal" href="./associative-sequence.html">Associative Sequence</a> that supports | |
| 19 | insertion and removal of elements. In contrast to <a class="reference internal" href="./extensible-sequence.html">Extensible Sequence</a>, | |
| 20 | <a class="reference internal" href="./extensible-associative-sequence.html">Extensible Associative Sequence</a> does not provide a mechanism for | |
| 21 | inserting an element at a specific position.</p> | |
| 22 | </div> | |
| 23 | <div class="section" id="id36"> | |
| 24 | <h3><a class="subsection-title" href="#expression-requirements" name="expression-requirements">Expression requirements</a></h3> | |
| 25 | <p>In the following table and subsequent specifications, <tt class="literal"><span class="pre">s</span></tt> is an <a class="reference internal" href="./associative-sequence.html">Associative Sequence</a>, | |
| 26 | <tt class="literal"><span class="pre">pos</span></tt> is an iterator into <tt class="literal"><span class="pre">s</span></tt>, and <tt class="literal"><span class="pre">x</span></tt> and <tt class="literal"><span class="pre">k</span></tt> are arbitrary types.</p> | |
| 27 | <p>In addition to the <a class="reference internal" href="./associative-sequence.html">Associative Sequence</a> requirements, the following must be met:</p> | |
| 28 | <table border="1" class="docutils table"> | |
| 29 | <colgroup> | |
| 30 | <col width="32%" /> | |
| 31 | <col width="40%" /> | |
| 32 | <col width="28%" /> | |
| 33 | </colgroup> | |
| 34 | <thead valign="bottom"> | |
| 35 | <tr><th class="head">Expression</th> | |
| 36 | <th class="head">Type</th> | |
| 37 | <th class="head">Complexity</th> | |
| 38 | </tr> | |
| 39 | </thead> | |
| 40 | <tbody valign="top"> | |
| 41 | <tr><td><tt class="literal"><span class="pre"><a href="./insert.html" class="identifier">insert</a><s,x>::type</span></tt></td> | |
| 42 | <td><a class="reference internal" href="./extensible-associative-sequence.html">Extensible Associative Sequence</a></td> | |
| 43 | <td>Amortized constant time</td> | |
| 44 | </tr> | |
| 45 | <tr><td><tt class="literal"><span class="pre"><a href="./insert.html" class="identifier">insert</a><s,pos,x>::type</span></tt></td> | |
| 46 | <td><a class="reference internal" href="./extensible-associative-sequence.html">Extensible Associative Sequence</a></td> | |
| 47 | <td>Amortized constant time</td> | |
| 48 | </tr> | |
| 49 | <tr><td><tt class="literal"><span class="pre"><a href="./erase-key.html" class="identifier">erase_key</a><s,k>::type</span></tt></td> | |
| 50 | <td><a class="reference internal" href="./extensible-associative-sequence.html">Extensible Associative Sequence</a></td> | |
| 51 | <td>Amortized constant time</td> | |
| 52 | </tr> | |
| 53 | <tr><td><tt class="literal"><span class="pre"><a href="./erase.html" class="identifier">erase</a><s,pos>::type</span></tt></td> | |
| 54 | <td><a class="reference internal" href="./extensible-associative-sequence.html">Extensible Associative Sequence</a></td> | |
| 55 | <td>Amortized constant time</td> | |
| 56 | </tr> | |
| 57 | <tr><td><tt class="literal"><span class="pre"><a href="./clear.html" class="identifier">clear</a><s>::type</span></tt></td> | |
| 58 | <td><a class="reference internal" href="./extensible-associative-sequence.html">Extensible Associative Sequence</a></td> | |
| 59 | <td>Amortized constant time</td> | |
| 60 | </tr> | |
| 61 | </tbody> | |
| 62 | </table> | |
| 63 | </div> | |
| 64 | <div class="section" id="id37"> | |
| 65 | <h3><a class="subsection-title" href="#expression-semantics" name="expression-semantics">Expression semantics</a></h3> | |
| 66 | <p>The semantics of an expression are defined only | |
| 67 | where they differ from, or are not defined in <a class="reference internal" href="./associative-sequence.html">Associative Sequence</a>.</p> | |
| 68 | <table border="1" class="docutils table"> | |
| 69 | <colgroup> | |
| 70 | <col width="32%" /> | |
| 71 | <col width="68%" /> | |
| 72 | </colgroup> | |
| 73 | <thead valign="bottom"> | |
| 74 | <tr><th class="head">Expression</th> | |
| 75 | <th class="head">Semantics</th> | |
| 76 | </tr> | |
| 77 | </thead> | |
| 78 | <tbody valign="top"> | |
| 79 | <tr><td><tt class="literal"><span class="pre"><a href="./insert.html" class="identifier">insert</a><s,x>::type</span></tt></td> | |
| 80 | <td><p class="first">Inserts <tt class="literal"><span class="pre">x</span></tt> into <tt class="literal"><span class="pre">s</span></tt>; the resulting sequence <tt class="literal"><span class="pre">r</span></tt> is | |
| 81 | equivalent to <tt class="literal"><span class="pre">s</span></tt> except that</p> | |
| 82 | <pre class="literal-block"> | |
| 83 | <a href="./at.html" class="identifier">at</a>< r, <a href="./key-type.html" class="identifier">key_type</a><s,x>::type >::type | |
| 84 | </pre> | |
| 85 | <p class="last">is identical to <tt class="literal"><span class="pre"><a href="./value-type.html" class="identifier">value_type</a><s,x>::type</span></tt>; see <a class="reference internal" href="./insert.html">insert</a>.</p> | |
| 86 | </td> | |
| 87 | </tr> | |
| 88 | <tr><td><tt class="literal"><span class="pre"><a href="./insert.html" class="identifier">insert</a><s,pos,x>::type</span></tt></td> | |
| 89 | <td>Equivalent to <tt class="literal"><span class="pre"><a href="./insert.html" class="identifier">insert</a><s,x>::type</span></tt>; <tt class="literal"><span class="pre">pos</span></tt> is ignored; | |
| 90 | see <a class="reference internal" href="./insert.html">insert</a>.</td> | |
| 91 | </tr> | |
| 92 | <tr><td><tt class="literal"><span class="pre"><a href="./erase-key.html" class="identifier">erase_key</a><s,k>::type</span></tt></td> | |
| 93 | <td>Erases elements in <tt class="literal"><span class="pre">s</span></tt> associated with the key <tt class="literal"><span class="pre">k</span></tt>; | |
| 94 | the resulting sequence <tt class="literal"><span class="pre">r</span></tt> is equivalent to <tt class="literal"><span class="pre">s</span></tt> except | |
| 95 | that <tt class="literal"><span class="pre"><a href="./has-key.html" class="identifier">has_key</a><r,k>::value</span> <span class="pre">==</span> <span class="pre">false</span></tt>; see <a class="reference internal" href="./erase-key.html">erase_key</a>.</td> | |
| 96 | </tr> | |
| 97 | <tr><td><tt class="literal"><span class="pre"><a href="./erase.html" class="identifier">erase</a><s,pos>::type</span></tt></td> | |
| 98 | <td>Erases the element at a specific position; equivalent to | |
| 99 | <tt class="literal"><span class="pre"><a href="./erase-key.html" class="identifier">erase_key</a><s,</span> <span class="pre"><a href="./deref.html" class="identifier">deref</a><pos>::type</span> <span class="pre">>::type</span></tt>; see <a class="reference internal" href="./erase.html">erase</a>.</td> | |
| 100 | </tr> | |
| 101 | <tr><td><tt class="literal"><span class="pre"><a href="./clear.html" class="identifier">clear</a><s>::type</span></tt></td> | |
| 102 | <td>An empty sequence concept-identical to <tt class="literal"><span class="pre">s</span></tt>; see | |
| 103 | <a class="reference internal" href="./clear.html">clear</a>.</td> | |
| 104 | </tr> | |
| 105 | </tbody> | |
| 106 | </table> | |
| 107 | <!-- Invariants | |
| 108 | - - - - - - - - - - | |
| 109 | ||
| 110 | For any extensible associative sequence ``s`` the following invariants always hold: --> | |
| 111 | </div> | |
| 112 | <div class="section" id="id38"> | |
| 113 | <h3><a class="subsection-title" href="#models" name="models">Models</a></h3> | |
| 114 | <ul class="simple"> | |
| 115 | <li><a class="reference internal" href="./set.html">set</a></li> | |
| 116 | <li><a class="reference internal" href="./map.html">map</a></li> | |
| 117 | </ul> | |
| 118 | <!-- * |multiset| --> | |
| 119 | </div> | |
| 120 | <div class="section" id="id39"> | |
| 121 | <h3><a class="subsection-title" href="#see-also" name="see-also">See also</a></h3> | |
| 122 | <p><a class="reference internal" href="./sequences.html">Sequences</a>, <a class="reference internal" href="./associative-sequence.html">Associative Sequence</a>, <a class="reference internal" href="./insert.html">insert</a>, <a class="reference internal" href="./erase.html">erase</a>, <a class="reference internal" href="./clear.html">clear</a></p> | |
| 123 | <!-- Sequences/Concepts//Integral Sequence Wrapper |90 --> | |
| 124 | </div> | |
| 125 | </div> | |
| 126 | ||
| 127 | <div class="footer-separator"></div> | |
| 128 | <table class="footer"><tr class="footer"><td class="header-group navigation-bar"><span class="navigation-group"><a href="./associative-sequence.html" class="navigation-link">Prev</a> <a href="./integral-sequence-wrapper.html" class="navigation-link">Next</a></span><span class="navigation-group-separator"> | </span><span class="navigation-group"><a href="./associative-sequence.html" class="navigation-link">Back</a> <a href="./integral-sequence-wrapper.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> | |
| 129 | <td><div class="copyright-footer"><div class="copyright">Copyright © 2001-2009 Aleksey Gurtovoy and David Abrahams</div> | |
| 130 | Distributed under the Boost Software License, Version 1.0. (See accompanying | |
| 131 | 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> | |
| 132 | </html> |