lass="computeroutput"><span class="identifier">handler_ptr</span></code> to receive
          a <code class="computeroutput"><span class="keyword">const</span></code> reference to the handler.
        </li>
<li class="listitem">
          ( <a href="https://github.com/boostorg/beast/issues/896" target="_top">#896</a>) <a class="link" href="ref/boost__beast__http__basic_fields.html" title="http::basic_fields"><code class="computeroutput"><span class="identifier">http</span><span class="special">::</span><spa