mment">// <a class="link" href="impl.html#boost.log.attributes.counter.implconstruct-copy-destruct">construct/copy/destruct</a></span>
  <a class="link" href="impl.html#idm46093048371344-bb"><span class="identifier">impl</span></a><span class="special">(</span><span class="identifier">value_type</span><span class="special">,</span> <span class="identifier">value_type</span><span class="special">)</span> <span class="keyword">noexcept</span><span class="special">;</span>

  <span class="comment">// <a class=