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-<html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>What about return values?</title><meta name="generator" content="DocBook XSL Stylesheets V1.78.1"><link rel="home" href="index.html" title="libsigc++"><link rel="up" href="ch03.html" title="Chapter 3. Writing your own signals"><link rel="prev" href="ch03.html" title="Chapter 3. Writing your own signals"><link rel="next" href="ch04.html" title="Chapter 4. Advanced topics"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">What about return values?</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="ch03.html">Prev</a> </td><th width="60%" align="center">Chapter 3. Writing your own signals</th><td width="20%" align="right"> <a accesskey="n" href="ch04.html">Next</a></td></tr></table><hr></div><div class="sect1"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="idm46158099474784"></a>What about return values?</h2></div></div></div><p>If you only ever have one slot connected to a signal, or if you only care
+<html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>What about return values?</title><meta name="generator" content="DocBook XSL Stylesheets V1.78.1"><link rel="home" href="index.html" title="libsigc++"><link rel="up" href="ch03.html" title="Chapter 3. Writing your own signals"><link rel="prev" href="ch03.html" title="Chapter 3. Writing your own signals"><link rel="next" href="ch04.html" title="Chapter 4. Advanced topics"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">What about return values?</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="ch03.html">Prev</a> </td><th width="60%" align="center">Chapter 3. Writing your own signals</th><td width="20%" align="right"> <a accesskey="n" href="ch04.html">Next</a></td></tr></table><hr></div><div class="sect1"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="idm45801113048224"></a>What about return values?</h2></div></div></div><p>If you only ever have one slot connected to a signal, or if you only care
        about the return value of the last registered one, it's quite straightforward:</p><pre class="programlisting">
 sigc::signal&lt;int&gt; somesignal;
 int a_return_value;