libs/log/doc/html/boost/log/attributes/function/impl_template.html

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   4 <title>Class template impl_template</title>
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  19 <a name="boost.log.attributes.function.impl_template"></a><div class="titlepage"></div>
  20 <div class="refnamediv">
  21 <h2><span class="refentrytitle">Class template impl_template</span></h2>
  22 <p>boost::log::attributes::function::impl_template &#8212; Factory implementation. </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="../../../../attributes.html#header.boost.log.attributes.function_hpp" title="Header &lt;boost/log/attributes/function.hpp&gt;">boost/log/attributes/function.hpp</a>&gt;
  26
  27 </span>
  28
  29 <span class="comment">// Factory implementation.</span>
  30 <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> T<span class="special">&gt;</span>
  31 <span class="keyword">class</span> <a class="link" href="impl_template.html" title="Class template impl_template">impl_template</a> <span class="special">:</span> <span class="keyword">public</span> <span class="identifier">function</span><span class="special">&lt;</span> <span class="identifier">R</span> <span class="special">&gt;</span><span class="special">::</span><span class="identifier">impl</span> <span class="special">{</span>
  32 <span class="keyword">public</span><span class="special">:</span>
  33   <span class="comment">// <a class="link" href="impl_template.html#boost.log.attributes.function.impl_templateconstruct-copy-destruct">construct/copy/destruct</a></span>
  34   <span class="keyword">explicit</span> <a class="link" href="impl_template.html#idm45711348701808-bb"><span class="identifier">impl_template</span></a><span class="special">(</span><span class="identifier">T</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
  35
  36   <span class="comment">// <a class="link" href="impl_template.html#idm45711348704864-bb">public member functions</a></span>
  37   <span class="keyword">virtual</span> <a class="link" href="../../attribute_value.html" title="Class attribute_value">attribute_value</a> <a class="link" href="impl_template.html#idm45711348704304-bb"><span class="identifier">get_value</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span>
  38 <span class="special">}</span><span class="special">;</span></pre></div>
  39 <div class="refsect1">
  40 <a name="idm45554751758944"></a><h2>Description</h2>
  41 <div class="refsect2">
  42 <a name="idm45554751758528"></a><h3>
  43 <a name="boost.log.attributes.function.impl_templateconstruct-copy-destruct"></a><code class="computeroutput">impl_template</code>
  44         public
  45        construct/copy/destruct</h3>
  46 <div class="orderedlist"><ol class="orderedlist" type="1"><li class="listitem">
  47 <pre class="literallayout"><span class="keyword">explicit</span> <a name="idm45711348701808-bb"></a><span class="identifier">impl_template</span><span class="special">(</span><span class="identifier">T</span> <span class="keyword">const</span> <span class="special">&amp;</span> fun<span class="special">)</span><span class="special">;</span></pre>
  48 <p>Constructor with the stored delegate initialization </p>
  49 </li></ol></div>
  50 </div>
  51 <div class="refsect2">
  52 <a name="idm45554751749616"></a><h3>
  53 <a name="idm45711348704864-bb"></a><code class="computeroutput">impl_template</code> public member functions</h3>
  54 <div class="orderedlist"><ol class="orderedlist" type="1"><li class="listitem">
  55 <pre class="literallayout"><span class="keyword">virtual</span> <a class="link" href="../../attribute_value.html" title="Class attribute_value">attribute_value</a> <a name="idm45711348704304-bb"></a><span class="identifier">get_value</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre>
  56 <p>
  57 </p>
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  59 <colgroup>
  60 <col align="left" valign="top">
  61 <col>
  62 </colgroup>
  63 <tbody><tr>
  64 <td><p><span class="term">Returns:</span></p></td>
  65 <td><p>The actual attribute value. It shall not return empty values (exceptions shall be used to indicate errors). </p></td>
  66 </tr></tbody>
  67 </table></div>
  68 </li></ol></div>
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  74 <td align="right"><div class="copyright-footer">Copyright &#169; 2007-2016 Andrey Semashev<p>
  75         Distributed under the Boost Software License, Version 1.0. (See accompanying
  76         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>).
  77       </p>
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