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1<html> 2<head> 3<meta http-equiv="Content-Type" content="text/html; charset=US-ASCII"> 4<title>Binding Member Functions</title> 5<link rel="stylesheet" href="../../../../../../../doc/src/boostbook.css" type="text/css"> 6<meta name="generator" content="DocBook XSL Stylesheets V1.76.1"> 7<link rel="home" href="../../../index.html" title="Chapter 1. Phoenix 3.0"> 8<link rel="up" href="../bind.html" title="Bind"> 9<link rel="prev" href="binding_functions.html" title="Binding Functions"> 10<link rel="next" href="binding_member_variables.html" title="Binding Member Variables"> 11</head> 12<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> 13<table cellpadding="2" width="100%"><tr> 14<td valign="top"><img alt="Boost C++ Libraries" width="277" height="86" src="../../../../../../../boost.png"></td> 15<td align="center"><a href="../../../../../../../index.html">Home</a></td> 16<td align="center"><a href="../../../../../../../libs/libraries.htm">Libraries</a></td> 17<td align="center"><a href="http://www.boost.org/users/people.html">People</a></td> 18<td align="center"><a href="http://www.boost.org/users/faq.html">FAQ</a></td> 19<td align="center"><a href="../../../../../../../more/index.htm">More</a></td> 20</tr></table> 21<hr> 22<div class="spirit-nav"> 23<a accesskey="p" href="binding_functions.html"><img src="../../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../bind.html"><img src="../../../../../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="../../../index.html"><img src="../../../../../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="binding_member_variables.html"><img src="../../../../../../../doc/src/images/next.png" alt="Next"></a> 24</div> 25<div class="section"> 26<div class="titlepage"><div><div><h4 class="title"> 27<a name="phoenix.modules.bind.binding_member_functions"></a><a class="link" href="binding_member_functions.html" title="Binding Member Functions">Binding 28 Member Functions</a> 29</h4></div></div></div> 30<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">phoenix</span><span class="special">/</span><span class="identifier">bind</span><span class="special">/</span><span class="identifier">bind_member_function</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span> 31</pre> 32<p> 33 Binding member functions can be done similarly. A bound member function 34 takes in a pointer or reference to an object as the first argument. For 35 instance, given: 36 </p> 37<pre class="programlisting"><span class="keyword">struct</span> <span class="identifier">xyz</span> 38<span class="special">{</span> 39 <span class="keyword">void</span> <span class="identifier">foo</span><span class="special">(</span><span class="keyword">int</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span> 40<span class="special">};</span> 41</pre> 42<p> 43 <code class="computeroutput"><span class="identifier">xyz</span></code>'s <code class="computeroutput"><span class="identifier">foo</span></code> 44 member function can be bound as: 45 </p> 46<pre class="programlisting"><span class="identifier">bind</span><span class="special">(&</span><span class="identifier">xyz</span><span class="special">::</span><span class="identifier">foo</span><span class="special">,</span> <span class="identifier">obj</span><span class="special">,</span> <span class="identifier">arg1</span><span class="special">)</span> <span class="comment">// obj is an xyz object 47</span></pre> 48<p> 49 Take note that a lazy-member functions expects the first argument to be 50 a pointer or reference to an object. Both the object (reference or pointer) 51 and the arguments can be lazily bound. Examples: 52 </p> 53<pre class="programlisting"><span class="identifier">xyz</span> <span class="identifier">obj</span><span class="special">;</span> 54<span class="identifier">bind</span><span class="special">(&</span><span class="identifier">xyz</span><span class="special">::</span><span class="identifier">foo</span><span class="special">,</span> <span class="identifier">arg1</span><span class="special">,</span> <span class="identifier">arg2</span><span class="special">)</span> <span class="comment">// arg1.foo(arg2) 55</span><span class="identifier">bind</span><span class="special">(&</span><span class="identifier">xyz</span><span class="special">::</span><span class="identifier">foo</span><span class="special">,</span> <span class="identifier">obj</span><span class="special">,</span> <span class="identifier">arg1</span><span class="special">)</span> <span class="comment">// obj.foo(arg1) 56</span><span class="identifier">bind</span><span class="special">(&</span><span class="identifier">xyz</span><span class="special">::</span><span class="identifier">foo</span><span class="special">,</span> <span class="identifier">obj</span><span class="special">,</span> <span class="number">100</span><span class="special">)</span> <span class="comment">// obj.foo(100) 57</span></pre> 58</div> 59<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> 60<td align="left"></td> 61<td align="right"><div class="copyright-footer">Copyright © 2002-2005, 2010 Joel de Guzman, Dan Marsden, Thomas Heller<p> 62 Distributed under the Boost Software License, Version 1.0. (See accompanying 63 file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>) 64 </p> 65</div></td> 66</tr></table> 67<hr> 68<div class="spirit-nav"> 69<a accesskey="p" href="binding_functions.html"><img src="../../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../bind.html"><img src="../../../../../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="../../../index.html"><img src="../../../../../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="binding_member_variables.html"><img src="../../../../../../../doc/src/images/next.png" alt="Next"></a> 70</div> 71</body> 72</html>