put">map</code> private member functions</h3>
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<li class="listitem"><pre class="literallayout"><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> Combiner<span class="special">&gt;</span> <a class="link" href="map.html" title="Class template map">map</a> <span class="special">&amp;</span> <a name="idp41779920-bb"></a><span class="identifier">_add</span><span class="special">(</span><span class=