="idm45736191020272"></a><h2>Description</h2>
<div class="refsect2">
<a name="idm45736191019856"></a><h3>
<a name="boost.log.attributes.counter.implconstruct-copy-destruct"></a><code class="computeroutput">impl</code> 
        public
       construct/copy/destruct</h3>
<div class="orderedlist"><ol class="orderedlist" type="1"><li class="listitem"><pre class="literallayout"><a name="idm46093048371344-bb"></a><span class="identifier">impl</span><span class="special">(</span><span class="identifier">value_type