t</span> <span class="identifier">match_results</span><span class="special">&lt;</span><span class="identifier">BidirectionalIterator</span><span class="special">,</span> <span class="identifier">Allocator</span><span class="special">&gt;&amp;</span> <span class="identifier">m</span><span class="special">);</span>
</pre>
<p>
        <span class="bold"><strong>Effects</strong></span>: Writes the contents of <span class="emphasis"><em>m</em></span>
        to the stream <span class="emphasis"><em>os</em></spa