iv>
<p>
          <a class="indexterm" name="idp120895520"></a>
Return the response reason-phrase.
        </p>
<pre class="programlisting"><span class="identifier">string_view</span>
<a class="link" href="reason/overload1.html" title="http::message::reason (1 of 2 overloads)">reason</a><span class="special">()</span> <span class="keyword">const</span><span class="special">;</span>
  <span class="emphasis"><em>&#187; <a class="link" href="reason/overload1.html" title="http::message::reason (1 of 2 overloads