reference.functions"></a><a class="link" href="exchange.html#core.exchange.reference.functions" title="Functions">Functions</a>
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<p>
          <span class="bold"><strong><code class="computeroutput"><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">class</span> <span class="identifier">T</span><span class="special">,</span> <span class="keyword">class</span>
          <span class="identifier">U</span> <span class="special">=</span>
          <