1<html> 2<head> 3<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 4<title>Struct impl</title> 5<link rel="stylesheet" href="../../../../../../../../doc/src/boostbook.css" type="text/css"> 6<meta name="generator" content="DocBook XSL Stylesheets V1.79.1"> 7<link rel="home" href="../../../../index.html" title="Chapter 1. Boost.Log v2"> 8<link rel="up" href="../basic_clock.html#idm44984883826880" title="Description"> 9<link rel="prev" href="../basic_clock.html" title="Class template basic_clock"> 10<link rel="next" href="../constant.html" title="Class template constant"> 11</head> 12<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> 13<table cellpadding="2" width="100%"><tr><td valign="top"><img alt="Boost C++ Libraries" width="277" height="86" src="../../../../../../../../boost.png"></td></tr></table> 14<hr> 15<div class="spirit-nav"> 16<a accesskey="p" href="../basic_clock.html"><img src="../../../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../basic_clock.html#idm44984883826880"><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="../constant.html"><img src="../../../../../../../../doc/src/images/next.png" alt="Next"></a> 17</div> 18<div class="refentry"> 19<a name="boost.log.attributes.basic_clock.impl"></a><div class="titlepage"></div> 20<div class="refnamediv"> 21<h2><span class="refentrytitle">Struct impl</span></h2> 22<p>boost::log::attributes::basic_clock::impl — Attribute 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: <<a class="link" href="../../../../attributes.html#header.boost.log.attributes.clock_hpp" title="Header <boost/log/attributes/clock.hpp>">boost/log/attributes/clock.hpp</a>> 26 27</span> 28 29<span class="comment">// Attribute factory implementation.</span> 30 31<span class="keyword">struct</span> <a class="link" href="impl.html" title="Struct impl">impl</a> <span class="special">:</span> <span class="keyword">public</span> <span class="identifier">attribute</span><span class="special">::</span><span class="identifier">impl</span> <span class="special">{</span> 32 33 <span class="comment">// <a class="link" href="impl.html#idm46079579485808-bb">public member functions</a></span> 34 <span class="keyword">virtual</span> <a class="link" href="../../attribute_value.html" title="Class attribute_value">attribute_value</a> <a class="link" href="impl.html#idm46079579485248-bb"><span class="identifier">get_value</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span> 35<span class="special">}</span><span class="special">;</span></pre></div> 36<div class="refsect1"> 37<a name="idm44984883792416"></a><h2>Description</h2> 38<div class="refsect2"> 39<a name="idm44984883792000"></a><h3> 40<a name="idm46079579485808-bb"></a><code class="computeroutput">impl</code> public member functions</h3> 41<div class="orderedlist"><ol class="orderedlist" type="1"><li class="listitem"> 42<pre class="literallayout"><span class="keyword">virtual</span> <a class="link" href="../../attribute_value.html" title="Class attribute_value">attribute_value</a> <a name="idm46079579485248-bb"></a><span class="identifier">get_value</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre> 43<p> 44</p> 45<div class="variablelist"><table border="0" class="variablelist compact"> 46<colgroup> 47<col align="left" valign="top"> 48<col> 49</colgroup> 50<tbody><tr> 51<td><p><span class="term">Returns:</span></p></td> 52<td><p>The actual attribute value. It shall not return empty values (exceptions shall be used to indicate errors). </p></td> 53</tr></tbody> 54</table></div> 55</li></ol></div> 56</div> 57</div> 58</div> 59<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> 60<td align="left"></td> 61<td align="right"><div class="copyright-footer">Copyright © 2007-2019 Andrey Semashev<p> 62 Distributed under the Boost Software License, Version 1.0. (See accompanying 63 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>). 64 </p> 65</div></td> 66</tr></table> 67<hr> 68<div class="spirit-nav"> 69<a accesskey="p" href="../basic_clock.html"><img src="../../../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../basic_clock.html#idm44984883826880"><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="../constant.html"><img src="../../../../../../../../doc/src/images/next.png" alt="Next"></a> 70</div> 71</body> 72</html> 73