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  27 <a name="sect-return-values"></a>What about return values?</h2></div></div></div>
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  30         <p>If you only ever have one slot connected to a signal, or if you only care
  31         about the return value of the last registered one, it's quite straightforward:</p>
  32
  33 <pre class="programlisting">
  34 sigc::signal&lt;int()&gt; somesignal;
  35 int a_return_value;
  36
  37 a_return_value = somesignal.emit();
  38 </pre>
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