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26 <div class="refentry">
27 <a name="boost.intrusive.trivial_value_traits"></a><div class="titlepage"></div>
28 <div class="refnamediv">
29 <h2><span class="refentrytitle">Struct template trivial_value_traits</span></h2>
30 <p>boost::intrusive::trivial_value_traits</p>
32 <h2 xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv-title">Synopsis</h2>
33 <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="../../intrusive/reference.html#header.boost.intrusive.trivial_value_traits_hpp" title="Header <boost/intrusive/trivial_value_traits.hpp>">boost/intrusive/trivial_value_traits.hpp</a>>
35 </span><span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> NodeTraits<span class="special">,</span> <span class="identifier">link_mode_type</span> LinkMode <span class="special">=</span> <span class="identifier">safe_link</span><span class="special">></span>
36 <span class="keyword">struct</span> <a class="link" href="trivial_value_traits.html" title="Struct template trivial_value_traits">trivial_value_traits</a> <span class="special">{</span>
37 <span class="comment">// types</span>
38 <span class="keyword">typedef</span> <span class="identifier">NodeTraits</span> <a name="boost.intrusive.trivial_value_traits.node_traits"></a><span class="identifier">node_traits</span><span class="special">;</span>
39 <span class="keyword">typedef</span> <span class="identifier">node_traits</span><span class="special">::</span><span class="identifier">node_ptr</span> <a name="boost.intrusive.trivial_value_traits.node_ptr"></a><span class="identifier">node_ptr</span><span class="special">;</span>
40 <span class="keyword">typedef</span> <span class="identifier">node_traits</span><span class="special">::</span><span class="identifier">const_node_ptr</span> <a name="boost.intrusive.trivial_value_traits.const_node_ptr"></a><span class="identifier">const_node_ptr</span><span class="special">;</span>
41 <span class="keyword">typedef</span> <span class="identifier">node_traits</span><span class="special">::</span><span class="identifier">node</span> <a name="boost.intrusive.trivial_value_traits.value_type"></a><span class="identifier">value_type</span><span class="special">;</span>
42 <span class="keyword">typedef</span> <span class="identifier">node_ptr</span> <a name="boost.intrusive.trivial_value_traits.pointer"></a><span class="identifier">pointer</span><span class="special">;</span>
43 <span class="keyword">typedef</span> <span class="identifier">const_node_ptr</span> <a name="boost.intrusive.trivial_value_traits.const_pointer"></a><span class="identifier">const_pointer</span><span class="special">;</span>
45 <span class="comment">// <a class="link" href="trivial_value_traits.html#idm45581288118960-bb">public static functions</a></span>
46 <span class="keyword">static</span> <span class="identifier">node_ptr</span> <a class="link" href="trivial_value_traits.html#idm45581288118400-bb"><span class="identifier">to_node_ptr</span></a><span class="special">(</span><span class="identifier">value_type</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span>
47 <span class="keyword">static</span> <span class="identifier">const_node_ptr</span> <a class="link" href="trivial_value_traits.html#idm45581288116592-bb"><span class="identifier">to_node_ptr</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">value_type</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span>
48 <span class="keyword">static</span> <span class="keyword">const</span> <span class="identifier">pointer</span> <span class="special">&</span> <a class="link" href="trivial_value_traits.html#idm45581288114784-bb"><span class="identifier">to_value_ptr</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">node_ptr</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span>
49 <span class="keyword">static</span> <span class="keyword">const</span> <span class="identifier">const_pointer</span> <span class="special">&</span> <a class="link" href="trivial_value_traits.html#idm45581288112976-bb"><span class="identifier">to_value_ptr</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">const_node_ptr</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span>
51 <span class="comment">// public data members</span>
52 <span class="keyword">static</span> <span class="keyword">const</span> <span class="identifier">link_mode_type</span> <span class="identifier">link_mode</span><span class="special">;</span>
53 <span class="special">}</span><span class="special">;</span></pre></div>
54 <div class="refsect1">
55 <a name="id-1.3.20.42.43.3.4"></a><h2>Description</h2>
56 <p>This value traits template is used to create value traits from user defined node traits where value_traits::value_type and node_traits::node should be equal </p>
57 <div class="refsect2">
58 <a name="id-1.3.20.42.43.3.4.3"></a><h3>
59 <a name="idm45581288118960-bb"></a><code class="computeroutput">trivial_value_traits</code> public static functions</h3>
60 <div class="orderedlist"><ol class="orderedlist" type="1">
61 <li class="listitem"><pre class="literallayout"><span class="keyword">static</span> <span class="identifier">node_ptr</span> <a name="idm45581288118400-bb"></a><span class="identifier">to_node_ptr</span><span class="special">(</span><span class="identifier">value_type</span> <span class="special">&</span> value<span class="special">)</span><span class="special">;</span></pre></li>
62 <li class="listitem"><pre class="literallayout"><span class="keyword">static</span> <span class="identifier">const_node_ptr</span> <a name="idm45581288116592-bb"></a><span class="identifier">to_node_ptr</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">value_type</span> <span class="special">&</span> value<span class="special">)</span><span class="special">;</span></pre></li>
63 <li class="listitem"><pre class="literallayout"><span class="keyword">static</span> <span class="keyword">const</span> <span class="identifier">pointer</span> <span class="special">&</span> <a name="idm45581288114784-bb"></a><span class="identifier">to_value_ptr</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">node_ptr</span> <span class="special">&</span> n<span class="special">)</span><span class="special">;</span></pre></li>
64 <li class="listitem"><pre class="literallayout"><span class="keyword">static</span> <span class="keyword">const</span> <span class="identifier">const_pointer</span> <span class="special">&</span> <a name="idm45581288112976-bb"></a><span class="identifier">to_value_ptr</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">const_node_ptr</span> <span class="special">&</span> n<span class="special">)</span><span class="special">;</span></pre></li>
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71 <td align="right"><div class="copyright-footer">Copyright © 2005 Olaf Krzikalla<br>Copyright © 2006-2015 Ion Gaztanaga<p>
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