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<a name="idm45736190777536"></a><h3>
<a name="idm46093048330704-bb"></a><code class="computeroutput">impl</code> public member functions</h3>
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<pre class="literallayout"><span class="keyword">virtual</span> <span class="keyword">bool</span> <a name="idm46093048330144-bb"></a><span class="identifier">dispatch</span><span class="special">(</span><span class="identifier">type_dispatcher</span> <span class="special">&amp;</s