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  21 <h2><span class="refentrytitle">Struct template basic_sink_backend</span></h2>
  22 <p>boost::log::sinks::basic_sink_backend &#8212; Base class for a logging sink backend. </p>
  23 </div>
  24 <h2 xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv-title">Synopsis</h2>
  25 <div xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv"><pre class="synopsis"><span class="comment">// In header: &lt;<a class="link" href="../../../sinks.html#header.boost.log.sinks.basic_sink_backend_hpp" title="Header &lt;boost/log/sinks/basic_sink_backend.hpp&gt;">boost/log/sinks/basic_sink_backend.hpp</a>&gt;
  26
  27 </span><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> FrontendRequirementsT<span class="special">&gt;</span>
  28 <span class="keyword">struct</span> <a class="link" href="basic_sink_backend.html" title="Struct template basic_sink_backend">basic_sink_backend</a> <span class="special">{</span>
  29   <span class="comment">// types</span>
  30   <span class="keyword">typedef</span> <span class="identifier">FrontendRequirementsT</span> <a name="boost.log.sinks.basic_sink_backend.frontend_requirements"></a><span class="identifier">frontend_requirements</span><span class="special">;</span>  <span class="comment">// Frontend requirements tag. </span>
  31
  32   <span class="comment">// <a class="link" href="basic_sink_backend.html#boost.log.sinks.basic_sink_backendconstruct-copy-destruct">construct/copy/destruct</a></span>
  33   <a class="link" href="basic_sink_backend.html#idm45711346301536-bb"><span class="identifier">basic_sink_backend</span></a><span class="special">(</span><a class="link" href="basic_sink_backend.html" title="Struct template basic_sink_backend">basic_sink_backend</a> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span> <span class="special">=</span> <span class="keyword">delete</span><span class="special">;</span>
  34   <a class="link" href="basic_sink_backend.html" title="Struct template basic_sink_backend">basic_sink_backend</a> <span class="special">&amp;</span> <a class="link" href="basic_sink_backend.html#idm45711346300000-bb"><span class="keyword">operator</span><span class="special">=</span></a><span class="special">(</span><a class="link" href="basic_sink_backend.html" title="Struct template basic_sink_backend">basic_sink_backend</a> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span> <span class="special">=</span> <span class="keyword">delete</span><span class="special">;</span>
  35 <span class="special">}</span><span class="special">;</span></pre></div>
  36 <div class="refsect1">
  37 <a name="idm45554734989104"></a><h2>Description</h2>
  38 <p>The <code class="computeroutput"><a class="link" href="basic_sink_backend.html" title="Struct template basic_sink_backend">basic_sink_backend</a></code> class template defines a number of types that all sink backends are required to define. All sink backends have to derive from the class. </p>
  39 <div class="refsect2">
  40 <a name="idm45554734987008"></a><h3>
  41 <a name="boost.log.sinks.basic_sink_backendconstruct-copy-destruct"></a><code class="computeroutput">basic_sink_backend</code>
  42         public
  43        construct/copy/destruct</h3>
  44 <div class="orderedlist"><ol class="orderedlist" type="1">
  45 <li class="listitem"><pre class="literallayout"><a name="idm45711346301536-bb"></a><span class="identifier">basic_sink_backend</span><span class="special">(</span><a class="link" href="basic_sink_backend.html" title="Struct template basic_sink_backend">basic_sink_backend</a> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span> <span class="special">=</span> <span class="keyword">delete</span><span class="special">;</span></pre></li>
  46 <li class="listitem"><pre class="literallayout"><a class="link" href="basic_sink_backend.html" title="Struct template basic_sink_backend">basic_sink_backend</a> <span class="special">&amp;</span> <a name="idm45711346300000-bb"></a><span class="keyword">operator</span><span class="special">=</span><span class="special">(</span><a class="link" href="basic_sink_backend.html" title="Struct template basic_sink_backend">basic_sink_backend</a> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span> <span class="special">=</span> <span class="keyword">delete</span><span class="special">;</span></pre></li>
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