1<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> 2<html> 3<head> 4<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 5<title>Class template node_handle_set</title> 6<link rel="stylesheet" href="../../../../doc/src/boostbook.css" type="text/css"> 7<meta name="generator" content="DocBook XSL Stylesheets V1.79.1"> 8<link rel="home" href="../../index.html" title="The Boost C++ Libraries BoostBook Documentation Subset"> 9<link rel="up" href="../../unordered/reference.html#header.boost.unordered_set_hpp" title="Header <boost/unordered_set.hpp>"> 10<link rel="prev" href="../../unordered/reference.html" title="Reference"> 11<link rel="next" href="../unordered_set.html" title="Class template unordered_set"> 12</head> 13<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> 14<table cellpadding="2" width="100%"><tr> 15<td valign="top"><img alt="Boost C++ Libraries" width="277" height="86" 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name="boost.unordered.node_handle_set"></a><div class="titlepage"></div> 28<div class="refnamediv"> 29<h2><span class="refentrytitle">Class template node_handle_set</span></h2> 30<p>boost::unordered::node_handle_set — 31 An object that owns a single element extracted from an 32 <a class="link" href="../unordered_set.html" title="Class template unordered_set">unordered_set</a> or an 33 <a class="link" href="../unordered_multiset.html" title="Class template unordered_multiset">unordered_multiset</a>, that 34 can then be inserted into a compatible container type. 35 36 The name and template parameters of this type are implementation 37 defined, and should be obtained using the <code class="computeroutput">node_type</code> 38 member typedef from the appropriate container. 39 </p> 40</div> 41<h2 xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv-title">Synopsis</h2> 42<div xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv"><pre class="synopsis"><span class="comment">// In header: <<a class="link" href="../../unordered/reference.html#header.boost.unordered_set_hpp" title="Header <boost/unordered_set.hpp>">boost/unordered_set.hpp</a>> 43 44</span><span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> ImplementationDefined<span class="special">></span> 45<span class="keyword">class</span> <a class="link" href="node_handle_set.html" title="Class template node_handle_set">node_handle_set</a> <span class="special">{</span> 46<span class="keyword">public</span><span class="special">:</span> 47 <span class="comment">// types</span> 48 <span class="keyword">typedef</span> <span class="keyword">typename</span> <span class="identifier">Container</span><span class="special">::</span><span class="identifier">value_type</span><span class="special">></span> <a name="boost.unordered.node_handle_set.value_type"></a><span class="identifier">value_type</span><span class="special">;</span> 49 <span class="keyword">typedef</span> <span class="keyword">typename</span> <span class="identifier">Container</span><span class="special">::</span><span class="identifier">allocator_type</span><span class="special">></span> <a name="boost.unordered.node_handle_set.allocator_type"></a><span class="identifier">allocator_type</span><span class="special">;</span> 50 51 <span class="comment">// <a class="link" href="node_handle_set.html#boost.unordered.node_handle_setconstruct-copy-destruct">construct/copy/destruct</a></span> 52 <span class="keyword">constexpr</span> <a class="link" href="node_handle_set.html#id-1_3_45_10_1_1_3_1_5-bb"><span class="identifier">node_handle_set</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">noexcept</span><span class="special">;</span> 53 <a class="link" href="node_handle_set.html#id-1_3_45_10_1_1_3_1_7-bb"><span class="identifier">node_handle_set</span></a><span class="special">(</span><span class="identifier">node_handle_set</span> <span class="special">&&</span><span class="special">)</span> <span class="keyword">noexcept</span><span class="special">;</span> 54 <a class="link" href="node_handle_set.html#id-1_3_45_10_1_1_3_1_6-bb"><span class="special">~</span><span class="identifier">node_handle_set</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span> 55 <span class="identifier">node_handle_set</span><span class="special">&</span> <a class="link" href="node_handle_set.html#id-1_3_45_10_1_1_3_1_8-bb"><span class="keyword">operator</span><span class="special">=</span></a><span class="special">(</span><span class="identifier">node_handle_set</span><span class="special">&&</span><span class="special">)</span><span class="special">;</span> 56 <span class="identifier">value_type</span><span class="special">&</span> <a class="link" href="node_handle_set.html#id-1_3_45_10_1_1_3_1_9-bb"><span class="identifier">value</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span> 57 <span class="identifier">allocator_type</span> <a class="link" href="node_handle_set.html#id-1_3_45_10_1_1_3_1_10-bb"><span class="identifier">get_allocator</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span> 58 <span class="keyword">explicit</span> <a class="link" href="node_handle_set.html#id-1_3_45_10_1_1_3_1_11-bb"><span class="keyword">operator</span> <span class="keyword">bool</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span> <span class="keyword">noexcept</span><span class="special">;</span> 59 <span class="keyword">bool</span> <a class="link" href="node_handle_set.html#id-1_3_45_10_1_1_3_1_12-bb"><span class="identifier">empty</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span> <span class="keyword">noexcept</span><span class="special">;</span> 60 <span class="keyword">void</span> <a class="link" href="node_handle_set.html#id-1_3_45_10_1_1_3_1_13-bb"><span class="identifier">swap</span></a><span class="special">(</span><span class="identifier">node_handle_set</span><span class="special">&</span><span class="special">)</span> <span class="keyword">noexcept</span><span class="special">(</span><span class="identifier">ator_traits</span><span class="special">::</span><span class="identifier">propagate_on_container_swap</span><span class="special">::</span><span class="identifier">value</span><span class="special">)</span><span class="special">;</span> 61<span class="special">}</span><span class="special">;</span> 62 63<span class="comment">// <a class="link" href="node_handle_set.html#id-1_3_45_10_1_1_3_1_14-bb">swap</a></span> 64<span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> ImplementationDefined<span class="special">></span> 65 <span class="keyword">void</span> <a class="link" href="node_handle_set.html#boost.unordered.node_handle_set.swap"><span class="identifier">swap</span></a><span class="special">(</span><span class="identifier">node_handle_set</span><span class="special"><</span><span class="identifier">ImplementationDefined</span><span class="special">></span><span class="special">&</span><span class="special">,</span> 66 <span class="identifier">node_handle_set</span><span class="special"><</span><span class="identifier">ImplementationDefined</span><span class="special">></span><span class="special">&</span><span class="special">)</span><span class="special">;</span></pre></div> 67<div class="refsect1"> 68<a name="id-1.3.45.10.2.3.4"></a><h2>Description</h2> 69<div class="refsect2"> 70<a name="id-1.3.45.10.2.3.4.2"></a><h3> 71<a name="boost.unordered.node_handle_setconstruct-copy-destruct"></a><code class="computeroutput">node_handle_set</code> 72 public 73 construct/copy/destruct</h3> 74<div class="orderedlist"><ol class="orderedlist" type="1"> 75<li class="listitem"><pre class="literallayout"><span class="keyword">constexpr</span> <a name="id-1_3_45_10_1_1_3_1_5-bb"></a><span class="identifier">node_handle_set</span><span class="special">(</span><span class="special">)</span> <span class="keyword">noexcept</span><span class="special">;</span></pre></li> 76<li class="listitem"><pre class="literallayout"><a name="id-1_3_45_10_1_1_3_1_7-bb"></a><span class="identifier">node_handle_set</span><span class="special">(</span><span class="identifier">node_handle_set</span> <span class="special">&&</span><span class="special">)</span> <span class="keyword">noexcept</span><span class="special">;</span></pre></li> 77<li class="listitem"><pre class="literallayout"><a name="id-1_3_45_10_1_1_3_1_6-bb"></a><span class="special">~</span><span class="identifier">node_handle_set</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre></li> 78</ol></div> 79</div> 80<pre class="literallayout"><span class="identifier">node_handle_set</span><span class="special">&</span> <a name="id-1_3_45_10_1_1_3_1_8-bb"></a><span class="keyword">operator</span><span class="special">=</span><span class="special">(</span><span class="identifier">node_handle_set</span><span class="special">&&</span><span class="special">)</span><span class="special">;</span></pre> 81<pre class="literallayout"><span class="identifier">value_type</span><span class="special">&</span> <a name="id-1_3_45_10_1_1_3_1_9-bb"></a><span class="identifier">value</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre> 82<pre class="literallayout"><span class="identifier">allocator_type</span> <a name="id-1_3_45_10_1_1_3_1_10-bb"></a><span class="identifier">get_allocator</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre> 83<pre class="literallayout"><span class="keyword">explicit</span> <a name="id-1_3_45_10_1_1_3_1_11-bb"></a><span class="keyword">operator</span> <span class="keyword">bool</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span> <span class="keyword">noexcept</span><span class="special">;</span></pre> 84<pre class="literallayout"><span class="keyword">bool</span> <a name="id-1_3_45_10_1_1_3_1_12-bb"></a><span class="identifier">empty</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span> <span class="keyword">noexcept</span><span class="special">;</span></pre> 85<pre class="literallayout"><span class="keyword">void</span> <a name="id-1_3_45_10_1_1_3_1_13-bb"></a><span class="identifier">swap</span><span class="special">(</span><span class="identifier">node_handle_set</span><span class="special">&</span><span class="special">)</span> <span class="keyword">noexcept</span><span class="special">(</span><span class="identifier">ator_traits</span><span class="special">::</span><span class="identifier">propagate_on_container_swap</span><span class="special">::</span><span class="identifier">value</span><span class="special">)</span><span class="special">;</span></pre> 86<div class="variablelist"><table border="0" class="variablelist compact"> 87<colgroup> 88<col align="left" valign="top"> 89<col> 90</colgroup> 91<tbody><tr> 92<td><p><span class="term">Notes:</span></p></td> 93<td><p> 94 In C++17 is also <code class="computeroutput">noexcept</code> if <code class="computeroutput">ator_traits::is_always_equal::value</code> is true. 95 But we don't support that trait yet. 96 </p></td> 97</tr></tbody> 98</table></div> 99<div class="refsect2"> 100<a name="id-1.3.45.10.2.3.4.10"></a><h3> 101<a name="id-1_3_45_10_1_1_3_1_14-bb"></a><code class="computeroutput">node_handle_set</code> swap</h3> 102<div class="orderedlist"><ol class="orderedlist" type="1"><li class="listitem"> 103<pre class="literallayout"><span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> ImplementationDefined<span class="special">></span> 104 <span class="keyword">void</span> <a name="boost.unordered.node_handle_set.swap"></a><span class="identifier">swap</span><span class="special">(</span><span class="identifier">node_handle_set</span><span class="special"><</span><span class="identifier">ImplementationDefined</span><span class="special">></span><span class="special">&</span> x<span class="special">,</span> 105 <span class="identifier">node_handle_set</span><span class="special"><</span><span class="identifier">ImplementationDefined</span><span class="special">></span><span class="special">&</span> y<span class="special">)</span><span class="special">;</span></pre> 106<div class="variablelist"><table border="0" class="variablelist compact"> 107<colgroup> 108<col align="left" valign="top"> 109<col> 110</colgroup> 111<tbody><tr> 112<td><p><span class="term">Effects:</span></p></td> 113<td><p><code class="computeroutput">x.swap(y)</code></p></td> 114</tr></tbody> 115</table></div> 116</li></ol></div> 117</div> 118</div> 119</div> 120<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> 121<td align="left"></td> 122<td align="right"><div class="copyright-footer">Copyright © 2003, 2004 Jeremy B. Maitin-Shepard<br>Copyright © 2005-2008 Daniel 123 James<p> 124 Distributed under the Boost Software License, Version 1.0. (See accompanying 125 file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>) 126 </p> 127</div></td> 128</tr></table> 129<hr> 130<div class="spirit-nav"> 131<a accesskey="p" href="../../unordered/reference.html"><img src="../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../../unordered/reference.html#header.boost.unordered_set_hpp"><img src="../../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="../../index.html"><img src="../../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="../unordered_set.html"><img src="../../../../doc/src/images/next.png" alt="Next"></a> 132</div> 133</body> 134</html> 135
