-<html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>Chapter 4. Advanced topics</title><meta name="generator" content="DocBook XSL Stylesheets V1.78.1"><link rel="home" href="index.html" title="libsigc++"><link rel="up" href="index.html" title="libsigc++"><link rel="prev" href="ch03s02.html" title="What about return values?"><link rel="next" href="ch04s02.html" title="Retyping"></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">Chapter 4. Advanced topics</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="ch03s02.html">Prev</a> </td><th width="60%" align="center"> </th><td width="20%" align="right"> <a accesskey="n" href="ch04s02.html">Next</a></td></tr></table><hr></div><div class="chapter"><div class="titlepage"><div><div><h1 class="title"><a name="sec-advanced"></a>Chapter 4. Advanced topics</h1></div></div></div><div class="toc"><p><b>Table of Contents</b></p><dl class="toc"><dt><span class="sect1"><a href="ch04.html#idm4
6158099471616">Rebinding</a></span></dt><dt><span class="sect1"><a href="ch04s02.html">Retyping</a></span></dt></dl></div><div class="sect1"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="idm46158099471616"></a>Rebinding</h2></div></div></div><p>Suppose you already have a function that you want to be called when a
+<html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>Chapter 4. Advanced topics</title><meta name="generator" content="DocBook XSL Stylesheets V1.78.1"><link rel="home" href="index.html" title="libsigc++"><link rel="up" href="index.html" title="libsigc++"><link rel="prev" href="ch03s02.html" title="What about return values?"><link rel="next" href="ch04s02.html" title="Retyping"></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">Chapter 4. Advanced topics</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="ch03s02.html">Prev</a> </td><th width="60%" align="center"> </th><td width="20%" align="right"> <a accesskey="n" href="ch04s02.html">Next</a></td></tr></table><hr></div><div class="chapter"><div class="titlepage"><div><div><h1 class="title"><a name="sec-advanced"></a>Chapter 4. Advanced topics</h1></div></div></div><div class="toc"><p><b>Table of Contents</b></p><dl class="toc"><dt><span class="sect1"><a href="ch04.html#idm4
5801113045056">Rebinding</a></span></dt><dt><span class="sect1"><a href="ch04s02.html">Retyping</a></span></dt></dl></div><div class="sect1"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="idm45801113045056"></a>Rebinding</h2></div></div></div><p>Suppose you already have a function that you want to be called when a
signal is emitted, but it takes the wrong argument types. For example, lets try
to attach the <code class="literal">warn_people(std::string)</code> function to the detected signal
from the first example, which didn't supply a location string.</p><p>Just trying to connect it with:</p><pre class="programlisting">
projects / platform / upstream / libsigc++.git / blobdiff