n class="identifier">http</span><span class="special">::</span><span class="identifier">request</span><span class="special">&lt;</span><span class="identifier">http</span><span class="special">::</span><span class="identifier">empty_body</span><span class="special">&gt;</span> <span class="identifier">req</span><span class="special">;</span>
            <span class="identifier">req</span><span class="special">.</span><span class="identifier">method</span><span class="special">(</span><span class="identifier