an><a class="link" href="map.html" title="Class template map">map</a> <span class="special">&amp;</span> section<span class="special">,</span> <span class="keyword">const</span> <span class="identifier">element_type</span> <span class="special">&amp;</span> key_value_pair<span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre>
<p>The intersection of <code class="computeroutput">key_value_pair</code> and <code class="computeroutput">*this</code> map is added to <c