string">", "</span> <span class="special">&lt;&lt;</span> <span class="identifier">p</span><span class="special">.</span><span class="identifier">m_y</span> <span class="special">&lt;&lt;</span> <span class="string">")"</span><span class="special">;</span>
    <span class="keyword">return</span> <span class="identifier">strm</span><span class="special">;</span>
<span class="special">}</span>
</pre>
<p>
        </p>
<p>
          Then, in order to register this type with the simple formatter factory,
       