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diff --git a/libs/bind/doc/html/mem_fn.html b/libs/bind/doc/html/mem_fn.html new file mode 100644 index 000000000..0f61e7a14 --- /dev/null +++ b/libs/bind/doc/html/mem_fn.html @@ -0,0 +1,552 @@ +<html> +<head> +<meta http-equiv="Content-Type" content="text/html; charset=US-ASCII"> +<title>Chapter 1. Boost.Member Function</title> +<link rel="stylesheet" href="../../../../doc/src/boostbook.css" type="text/css"> +<meta name="generator" content="DocBook XSL Stylesheets V1.78.1"> +<link rel="home" href="mem_fn.html" title="Chapter 1. Boost.Member Function"> +</head> +<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> +<table cellpadding="2" width="100%"><tr> +<td valign="top"><img alt="Boost C++ Libraries" width="277" height="86" src="../../../../boost.png"></td> +<td align="center"><a href="../../../../index.html">Home</a></td> +<td align="center"><a href="../../../../libs/libraries.htm">Libraries</a></td> +<td align="center"><a href="http://www.boost.org/users/people.html">People</a></td> +<td align="center"><a href="http://www.boost.org/users/faq.html">FAQ</a></td> +<td align="center"><a href="../../../../more/index.htm">More</a></td> +</tr></table> +<hr> +<div class="spirit-nav"></div> +<div class="chapter"> +<div class="titlepage"><div> +<div><h2 class="title"> +<a name="mem_fn"></a>Chapter 1. Boost.Member Function</h2></div> +<div><p class="copyright">Copyright © 2001, 2002 Peter Dimov and Multi Media Ltd.</p></div> +<div><p class="copyright">Copyright © 2003-2005 Peter Dimov</p></div> +<div><div class="legalnotice"> +<a name="mem_fn.legal"></a><p> + Distributed under the <a href="http://boost.org/LICENSE_1_0.txt" target="_top">Boost + Software License, Version 1.0</a>. + </p> +</div></div> +</div></div> +<div class="toc"> +<p><b>Table of Contents</b></p> +<dl class="toc"> +<dt><span class="section"><a href="mem_fn.html#mem_fn.purpose">Purpose</a></span></dt> +<dt><span class="section"><a href="mem_fn.html#mem_fn.faq">Frequently Asked Questions</a></span></dt> +<dd><dl> +<dt><span class="section"><a href="mem_fn.html#mem_fn.faq.can_mem_fn_be_used_instead_of_th">Can <code class="computeroutput"><span class="identifier">mem_fn</span></code> be used instead of the standard <code class="computeroutput"><span class="identifier">std</span><span class="special">::</span><span class="identifier">mem_fun</span><span class="special">[</span><span class="identifier">_ref</span><span class="special">]</span></code> + adaptors?</a></span></dt> +<dt><span class="section"><a href="mem_fn.html#mem_fn.faq.should_i_replace_every_occurence">Should I + replace every occurence of <code class="computeroutput"><span class="identifier">std</span><span class="special">::</span><span class="identifier">mem_fun</span><span class="special">[</span><span class="identifier">_ref</span><span class="special">]</span></code> + with <code class="computeroutput"><span class="identifier">mem_fn</span></code> in my existing + code?</a></span></dt> +<dt><span class="section"><a href="mem_fn.html#mem_fn.faq.does_mem_fn_work_with_com_method">Does <code class="computeroutput"><span class="identifier">mem_fn</span></code> work with COM methods?</a></span></dt> +<dt><span class="section"><a href="mem_fn.html#mem_fn.faq.why_isn_t_boost_mem_fn_enable_st">Why isn't + <code class="computeroutput"><span class="identifier">BOOST_MEM_FN_ENABLE_STDCALL</span></code> + defined automatically?</a></span></dt> +</dl></dd> +<dt><span class="section"><a href="mem_fn.html#mem_fn.interface">Interface</a></span></dt> +<dd><dl> +<dt><span class="section"><a href="mem_fn.html#mem_fn.interface.synopsys">Synopsis</a></span></dt> +<dt><span class="section"><a href="mem_fn.html#mem_fn.interface.common_requirements">Common requirements</a></span></dt> +<dt><span class="section"><a href="mem_fn.html#mem_fn.interface.get_pointer"><code class="computeroutput"><span class="identifier">get_pointer</span></code></a></span></dt> +<dt><span class="section"><a href="mem_fn.html#mem_fn.interface.mem_fn"><code class="computeroutput"><span class="identifier">mem_fn</span></code></a></span></dt> +</dl></dd> +<dt><span class="section"><a href="mem_fn.html#mem_fn.implementation">Implementation</a></span></dt> +<dd><dl> +<dt><span class="section"><a href="mem_fn.html#mem_fn.implementation.files">Files</a></span></dt> +<dt><span class="section"><a href="mem_fn.html#mem_fn.implementation.dependencies">Dependencies</a></span></dt> +<dt><span class="section"><a href="mem_fn.html#mem_fn.implementation.number_of_arguments">Number of + Arguments</a></span></dt> +<dt><span class="section"><a href="mem_fn.html#mem_fn.implementation.stdcall"><code class="computeroutput"><span class="identifier">__stdcall</span></code>, + <code class="computeroutput"><span class="identifier">__cdecl</span></code>, and <code class="computeroutput"><span class="identifier">__fastcall</span></code> Support</a></span></dt> +</dl></dd> +<dt><span class="section"><a href="mem_fn.html#mem_fn.acknowledgements">Acknowledgements</a></span></dt> +</dl> +</div> +<div class="section"> +<div class="titlepage"><div><div><h2 class="title" style="clear: both"> +<a name="mem_fn.purpose"></a><a class="link" href="mem_fn.html#mem_fn.purpose" title="Purpose">Purpose</a> +</h2></div></div></div> +<p> + <code class="computeroutput"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">mem_fn</span></code> is a generalization of the standard + functions <code class="computeroutput"><span class="identifier">std</span><span class="special">::</span><span class="identifier">mem_fun</span></code> and <code class="computeroutput"><span class="identifier">std</span><span class="special">::</span><span class="identifier">mem_fun_ref</span></code>. + It supports member function pointers with more than one argument, and the returned + function object can take a pointer, a reference, or a smart pointer to an object + instance as its first argument. <code class="computeroutput"><span class="identifier">mem_fn</span></code> + also supports pointers to data members by treating them as functions taking + no arguments and returning a (const) reference to the member. + </p> +<p> + The purpose of <code class="computeroutput"><span class="identifier">mem_fn</span></code> is twofold. + First, it allows users to invoke a member function on a container with the + familiar + </p> +<pre class="programlisting"><span class="identifier">std</span><span class="special">::</span><span class="identifier">for_each</span><span class="special">(</span><span class="identifier">v</span><span class="special">.</span><span class="identifier">begin</span><span class="special">(),</span> <span class="identifier">v</span><span class="special">.</span><span class="identifier">end</span><span class="special">(),</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">mem_fn</span><span class="special">(&</span><span class="identifier">Shape</span><span class="special">::</span><span class="identifier">draw</span><span class="special">));</span> +</pre> +<p> + syntax, even when the container stores smart pointers. + </p> +<p> + Second, it can be used as a building block by library developers that want + to treat a pointer to member function as a function object. A library might + define an enhanced <code class="computeroutput"><span class="identifier">for_each</span></code> + algorithm with an overload of the form: + </p> +<pre class="programlisting"><span class="keyword">template</span><span class="special"><</span><span class="keyword">class</span> <span class="identifier">It</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">R</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">T</span><span class="special">></span> <span class="keyword">void</span> <span class="identifier">for_each</span><span class="special">(</span><span class="identifier">It</span> <span class="identifier">first</span><span class="special">,</span> <span class="identifier">It</span> <span class="identifier">last</span><span class="special">,</span> <span class="identifier">R</span> <span class="special">(</span><span class="identifier">T</span><span class="special">::*</span><span class="identifier">pmf</span><span class="special">)</span> <span class="special">())</span> +<span class="special">{</span> + <span class="identifier">std</span><span class="special">::</span><span class="identifier">for_each</span><span class="special">(</span><span class="identifier">first</span><span class="special">,</span> <span class="identifier">last</span><span class="special">,</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">mem_fn</span><span class="special">(</span><span class="identifier">pmf</span><span class="special">));</span> +<span class="special">}</span> +</pre> +<p> + that will allow the convenient syntax: + </p> +<pre class="programlisting"><span class="identifier">for_each</span><span class="special">(</span><span class="identifier">v</span><span class="special">.</span><span class="identifier">begin</span><span class="special">(),</span> <span class="identifier">v</span><span class="special">.</span><span class="identifier">end</span><span class="special">(),</span> <span class="special">&</span><span class="identifier">Shape</span><span class="special">::</span><span class="identifier">draw</span><span class="special">);</span> +</pre> +<p> + When documenting the feature, the library author will simply state: + </p> +<pre class="programlisting"><span class="keyword">template</span><span class="special"><</span><span class="keyword">class</span> <span class="identifier">It</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">R</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">T</span><span class="special">></span> <span class="keyword">void</span> <span class="identifier">for_each</span><span class="special">(</span><span class="identifier">It</span> <span class="identifier">first</span><span class="special">,</span> <span class="identifier">It</span> <span class="identifier">last</span><span class="special">,</span> <span class="identifier">R</span> <span class="special">(</span><span class="identifier">T</span><span class="special">::*</span><span class="identifier">pmf</span><span class="special">)</span> <span class="special">());</span> +</pre> +<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"> + <span class="emphasis"><em>Effects:</em></span> Equivalent to <code class="computeroutput"><span class="identifier">std</span><span class="special">::</span><span class="identifier">for_each</span><span class="special">(</span><span class="identifier">first</span><span class="special">,</span> <span class="identifier">last</span><span class="special">,</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">mem_fn</span><span class="special">(</span><span class="identifier">pmf</span><span class="special">))</span></code>. + </li></ul></div> +<p> + where <code class="computeroutput"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">mem_fn</span></code> can be a link to this page. See the + <a href="../../../../libs/bind/bind.html" target="_top">documentation of <code class="computeroutput"><span class="identifier">bind</span></code></a> + for an example. + </p> +<p> + <code class="computeroutput"><span class="identifier">mem_fn</span></code> takes one argument, + a pointer to a member, and returns a function object suitable for use with + standard or user-defined algorithms: + </p> +<pre class="programlisting"><span class="keyword">struct</span> <span class="identifier">X</span> +<span class="special">{</span> + <span class="keyword">void</span> <span class="identifier">f</span><span class="special">();</span> +<span class="special">};</span> + +<span class="keyword">void</span> <span class="identifier">g</span><span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">vector</span><span class="special"><</span><span class="identifier">X</span><span class="special">></span> <span class="special">&</span> <span class="identifier">v</span><span class="special">)</span> +<span class="special">{</span> + <span class="identifier">std</span><span class="special">::</span><span class="identifier">for_each</span><span class="special">(</span><span class="identifier">v</span><span class="special">.</span><span class="identifier">begin</span><span class="special">(),</span> <span class="identifier">v</span><span class="special">.</span><span class="identifier">end</span><span class="special">(),</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">mem_fn</span><span class="special">(&</span><span class="identifier">X</span><span class="special">::</span><span class="identifier">f</span><span class="special">));</span> +<span class="special">};</span> + +<span class="keyword">void</span> <span class="identifier">h</span><span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">vector</span><span class="special"><</span><span class="identifier">X</span> <span class="special">*></span> <span class="keyword">const</span> <span class="special">&</span> <span class="identifier">v</span><span class="special">)</span> +<span class="special">{</span> + <span class="identifier">std</span><span class="special">::</span><span class="identifier">for_each</span><span class="special">(</span><span class="identifier">v</span><span class="special">.</span><span class="identifier">begin</span><span class="special">(),</span> <span class="identifier">v</span><span class="special">.</span><span class="identifier">end</span><span class="special">(),</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">mem_fn</span><span class="special">(&</span><span class="identifier">X</span><span class="special">::</span><span class="identifier">f</span><span class="special">));</span> +<span class="special">};</span> + +<span class="keyword">void</span> <span class="identifier">k</span><span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">vector</span><span class="special"><</span><span class="identifier">boost</span><span class="special">::</span><span class="identifier">shared_ptr</span><span class="special"><</span><span class="identifier">X</span><span class="special">></span> <span class="special">></span> <span class="keyword">const</span> <span class="special">&</span> <span class="identifier">v</span><span class="special">)</span> +<span class="special">{</span> + <span class="identifier">std</span><span class="special">::</span><span class="identifier">for_each</span><span class="special">(</span><span class="identifier">v</span><span class="special">.</span><span class="identifier">begin</span><span class="special">(),</span> <span class="identifier">v</span><span class="special">.</span><span class="identifier">end</span><span class="special">(),</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">mem_fn</span><span class="special">(&</span><span class="identifier">X</span><span class="special">::</span><span class="identifier">f</span><span class="special">));</span> +<span class="special">};</span> +</pre> +<p> + The returned function object takes the same arguments as the input member function + plus a "flexible" first argument that represents the object instance. + </p> +<p> + When the function object is invoked with a first argument <code class="computeroutput"><span class="identifier">x</span></code> + that is neither a pointer nor a reference to the appropriate class (<code class="computeroutput"><span class="identifier">X</span></code> in the example above), it uses <code class="computeroutput"><span class="identifier">get_pointer</span><span class="special">(</span><span class="identifier">x</span><span class="special">)</span></code> to obtain + a pointer from <code class="computeroutput"><span class="identifier">x</span></code>. Library authors + can "register" their smart pointer classes by supplying an appropriate + <code class="computeroutput"><span class="identifier">get_pointer</span></code> overload, allowing + <code class="computeroutput"><span class="identifier">mem_fn</span></code> to recognize and support + them. + </p> +<p> + <span class="emphasis"><em>[Note:</em></span> <code class="computeroutput"><span class="identifier">get_pointer</span></code> + is not restricted to return a pointer. Any object that can be used in a member + function call expression <code class="computeroutput"><span class="special">(</span><span class="identifier">x</span><span class="special">->*</span><span class="identifier">pmf</span><span class="special">)(...)</span></code> will work.<span class="emphasis"><em>]</em></span> + </p> +<p> + <span class="emphasis"><em>[Note:</em></span> the library uses an unqualified call to <code class="computeroutput"><span class="identifier">get_pointer</span></code>. Therefore, it will find, through + argument-dependent lookup, <code class="computeroutput"><span class="identifier">get_pointer</span></code> + overloads that are defined in the same namespace as the corresponding smart + pointer class, in addition to any <code class="computeroutput"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">get_pointer</span></code> + overloads.<span class="emphasis"><em>]</em></span> + </p> +<p> + All function objects returned by <code class="computeroutput"><span class="identifier">mem_fn</span></code> + expose a <code class="computeroutput"><span class="identifier">result_type</span></code> typedef + that represents the return type of the member function. For data members, + <code class="computeroutput"><span class="identifier">result_type</span></code> is defined as the + type of the member. + </p> +</div> +<div class="section"> +<div class="titlepage"><div><div><h2 class="title" style="clear: both"> +<a name="mem_fn.faq"></a><a class="link" href="mem_fn.html#mem_fn.faq" title="Frequently Asked Questions">Frequently Asked Questions</a> +</h2></div></div></div> +<div class="section"> +<div class="titlepage"><div><div><h3 class="title"> +<a name="mem_fn.faq.can_mem_fn_be_used_instead_of_th"></a><a class="link" href="mem_fn.html#mem_fn.faq.can_mem_fn_be_used_instead_of_th" title="Can mem_fn be used instead of the standard std::mem_fun[_ref] adaptors?">Can <code class="computeroutput"><span class="identifier">mem_fn</span></code> be used instead of the standard <code class="computeroutput"><span class="identifier">std</span><span class="special">::</span><span class="identifier">mem_fun</span><span class="special">[</span><span class="identifier">_ref</span><span class="special">]</span></code> + adaptors?</a> +</h3></div></div></div> +<p> + Yes. For simple uses, <code class="computeroutput"><span class="identifier">mem_fn</span></code> + provides additional functionality that the standard adaptors do not. Complicated + expressions that use <code class="computeroutput"><span class="identifier">std</span><span class="special">::</span><span class="identifier">bind1st</span></code>, + <code class="computeroutput"><span class="identifier">std</span><span class="special">::</span><span class="identifier">bind2nd</span></code> or <a href="http://www.boost.org/doc/libs/1_31_0/libs/compose/index.htm" target="_top">Boost.Compose</a> + along with the standard adaptors can be rewritten using <code class="computeroutput"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">bind</span></code> + that automatically takes advantage of <code class="computeroutput"><span class="identifier">mem_fn</span></code>. + </p> +</div> +<div class="section"> +<div class="titlepage"><div><div><h3 class="title"> +<a name="mem_fn.faq.should_i_replace_every_occurence"></a><a class="link" href="mem_fn.html#mem_fn.faq.should_i_replace_every_occurence" title="Should I replace every occurence of std::mem_fun[_ref] with mem_fn in my existing code?">Should I + replace every occurence of <code class="computeroutput"><span class="identifier">std</span><span class="special">::</span><span class="identifier">mem_fun</span><span class="special">[</span><span class="identifier">_ref</span><span class="special">]</span></code> + with <code class="computeroutput"><span class="identifier">mem_fn</span></code> in my existing + code?</a> +</h3></div></div></div> +<p> + No, unless you have good reasons to do so. <code class="computeroutput"><span class="identifier">mem_fn</span></code> + is not 100% compatible with the standard adaptors, although it comes pretty + close. In particular, <code class="computeroutput"><span class="identifier">mem_fn</span></code> + does not return objects of type <code class="computeroutput"><span class="identifier">std</span><span class="special">::[</span><span class="identifier">const_</span><span class="special">]</span><span class="identifier">mem_fun</span><span class="special">[</span><span class="number">1</span><span class="special">][</span><span class="identifier">_ref</span><span class="special">]</span><span class="identifier">_t</span></code>, + as the standard adaptors do, and it is not possible to fully describe the + type of the first argument using the standard <code class="computeroutput"><span class="identifier">argument_type</span></code> + and <code class="computeroutput"><span class="identifier">first_argument_type</span></code> nested + typedefs. Libraries that need adaptable function objects in order to function + might not like <code class="computeroutput"><span class="identifier">mem_fn</span></code>. + </p> +</div> +<div class="section"> +<div class="titlepage"><div><div><h3 class="title"> +<a name="mem_fn.faq.does_mem_fn_work_with_com_method"></a><a class="link" href="mem_fn.html#mem_fn.faq.does_mem_fn_work_with_com_method" title="Does mem_fn work with COM methods?">Does <code class="computeroutput"><span class="identifier">mem_fn</span></code> work with COM methods?</a> +</h3></div></div></div> +<p> + Yes, if you <a class="link" href="mem_fn.html#mem_fn.implementation.stdcall" title="__stdcall, __cdecl, and __fastcall Support">`#define BOOST_MEM_FN_ENABLE_STDCALL</a>. + </p> +</div> +<div class="section"> +<div class="titlepage"><div><div><h3 class="title"> +<a name="mem_fn.faq.why_isn_t_boost_mem_fn_enable_st"></a><a class="link" href="mem_fn.html#mem_fn.faq.why_isn_t_boost_mem_fn_enable_st" title="Why isn't BOOST_MEM_FN_ENABLE_STDCALL defined automatically?">Why isn't + <code class="computeroutput"><span class="identifier">BOOST_MEM_FN_ENABLE_STDCALL</span></code> + defined automatically?</a> +</h3></div></div></div> +<p> + Non-portable extensions, in general, should default to off to prevent vendor + lock-in. Had <code class="computeroutput"><span class="identifier">BOOST_MEM_FN_ENABLE_STDCALL</span></code> + been defined automatically, you could have accidentally taken advantage of + it without realizing that your code is, perhaps, no longer portable. In addition, + it is possible for the default calling convention to be <code class="computeroutput"><span class="identifier">__stdcall</span></code>, + in which case enabling <code class="computeroutput"><span class="identifier">__stdcall</span></code> + support will result in duplicate definitions. + </p> +</div> +</div> +<div class="section"> +<div class="titlepage"><div><div><h2 class="title" style="clear: both"> +<a name="mem_fn.interface"></a><a class="link" href="mem_fn.html#mem_fn.interface" title="Interface">Interface</a> +</h2></div></div></div> +<div class="section"> +<div class="titlepage"><div><div><h3 class="title"> +<a name="mem_fn.interface.synopsys"></a><a class="link" href="mem_fn.html#mem_fn.interface.synopsys" title="Synopsis">Synopsis</a> +</h3></div></div></div> +<pre class="programlisting"><span class="keyword">namespace</span> <span class="identifier">boost</span> +<span class="special">{</span> + <span class="keyword">template</span><span class="special"><</span><span class="keyword">class</span> <span class="identifier">T</span><span class="special">></span> <span class="identifier">T</span> <span class="special">*</span> <a class="link" href="mem_fn.html#get_pointer_1"><code class="computeroutput"><span class="identifier">get_pointer</span></code></a><span class="special">(</span><span class="identifier">T</span> <span class="special">*</span> <span class="identifier">p</span><span class="special">);</span> + + <span class="keyword">template</span><span class="special"><</span><span class="keyword">class</span> <span class="identifier">R</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">T</span><span class="special">></span> <span class="emphasis"><em>unspecified-1</em></span> <a class="link" href="mem_fn.html#mem_fn_1"><code class="computeroutput"><span class="identifier">mem_fn</span></code></a><span class="special">(</span><span class="identifier">R</span> <span class="special">(</span><span class="identifier">T</span><span class="special">::*</span><span class="identifier">pmf</span><span class="special">)</span> <span class="special">());</span> + + <span class="keyword">template</span><span class="special"><</span><span class="keyword">class</span> <span class="identifier">R</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">T</span><span class="special">></span> <span class="emphasis"><em>unspecified-2</em></span> <a class="link" href="mem_fn.html#mem_fn_2"><code class="computeroutput"><span class="identifier">mem_fn</span></code></a><span class="special">(</span><span class="identifier">R</span> <span class="special">(</span><span class="identifier">T</span><span class="special">::*</span><span class="identifier">pmf</span><span class="special">)</span> <span class="special">()</span> <span class="keyword">const</span><span class="special">);</span> + + <span class="keyword">template</span><span class="special"><</span><span class="keyword">class</span> <span class="identifier">R</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">T</span><span class="special">></span> <span class="emphasis"><em>unspecified-2-1</em></span> <a class="link" href="mem_fn.html#mem_fn_2_1"><code class="computeroutput"><span class="identifier">mem_fn</span></code></a><span class="special">(</span><span class="identifier">R</span> <span class="identifier">T</span><span class="special">::*</span><span class="identifier">pm</span><span class="special">);</span> + + <span class="keyword">template</span><span class="special"><</span><span class="keyword">class</span> <span class="identifier">R</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">T</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">A1</span><span class="special">></span> <span class="emphasis"><em>unspecified-3</em></span> <a class="link" href="mem_fn.html#mem_fn_3"><code class="computeroutput"><span class="identifier">mem_fn</span></code></a><span class="special">(</span><span class="identifier">R</span> <span class="special">(</span><span class="identifier">T</span><span class="special">::*</span><span class="identifier">pmf</span><span class="special">)</span> <span class="special">(</span><span class="identifier">A1</span><span class="special">));</span> + + <span class="keyword">template</span><span class="special"><</span><span class="keyword">class</span> <span class="identifier">R</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">T</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">A1</span><span class="special">></span> <span class="emphasis"><em>unspecified-4</em></span> <a class="link" href="mem_fn.html#mem_fn_4"><code class="computeroutput"><span class="identifier">mem_fn</span></code></a><span class="special">(</span><span class="identifier">R</span> <span class="special">(</span><span class="identifier">T</span><span class="special">::*</span><span class="identifier">pmf</span><span class="special">)</span> <span class="special">(</span><span class="identifier">A1</span><span class="special">)</span> <span class="keyword">const</span><span class="special">);</span> + + <span class="keyword">template</span><span class="special"><</span><span class="keyword">class</span> <span class="identifier">R</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">T</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">A1</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">A2</span><span class="special">></span> <span class="emphasis"><em>unspecified-5</em></span> <a class="link" href="mem_fn.html#mem_fn_5"><code class="computeroutput"><span class="identifier">mem_fn</span></code></a><span class="special">(</span><span class="identifier">R</span> <span class="special">(</span><span class="identifier">T</span><span class="special">::*</span><span class="identifier">pmf</span><span class="special">)</span> <span class="special">(</span><span class="identifier">A1</span><span class="special">,</span> <span class="identifier">A2</span><span class="special">));</span> + + <span class="keyword">template</span><span class="special"><</span><span class="keyword">class</span> <span class="identifier">R</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">T</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">A1</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">A2</span><span class="special">></span> <span class="emphasis"><em>unspecified-6</em></span> <a class="link" href="mem_fn.html#mem_fn_6"><code class="computeroutput"><span class="identifier">mem_fn</span></code></a><span class="special">(</span><span class="identifier">R</span> <span class="special">(</span><span class="identifier">T</span><span class="special">::*</span><span class="identifier">pmf</span><span class="special">)</span> <span class="special">(</span><span class="identifier">A1</span><span class="special">,</span> <span class="identifier">A2</span><span class="special">)</span> <span class="keyword">const</span><span class="special">);</span> + + <span class="comment">// implementation defined number of additional overloads for more arguments</span> +<span class="special">}</span> +</pre> +</div> +<div class="section"> +<div class="titlepage"><div><div><h3 class="title"> +<a name="mem_fn.interface.common_requirements"></a><a class="link" href="mem_fn.html#mem_fn.interface.common_requirements" title="Common requirements">Common requirements</a> +</h3></div></div></div> +<p> + All <span class="emphasis"><em>unspecified-N</em></span> types mentioned in the Synopsis are + <span class="emphasis"><em>CopyConstructible</em></span> and <span class="emphasis"><em>Assignable</em></span>. + Their copy constructors and assignment operators do not throw exceptions. + <span class="emphasis"><em>unspecified-N</em></span><code class="computeroutput"><span class="special">::</span><span class="identifier">result_type</span></code> is defined as the return type + of the member function pointer passed as an argument to <code class="computeroutput"><span class="identifier">mem_fn</span></code> + (<code class="computeroutput"><span class="identifier">R</span></code> in the Synopsis.) <span class="emphasis"><em>unspecified-2-1</em></span><code class="computeroutput"><span class="special">::</span><span class="identifier">result_type</span></code> + is defined as <code class="computeroutput"><span class="identifier">R</span></code>. + </p> +</div> +<div class="section"> +<div class="titlepage"><div><div><h3 class="title"> +<a name="mem_fn.interface.get_pointer"></a><a class="link" href="mem_fn.html#mem_fn.interface.get_pointer" title="get_pointer"><code class="computeroutput"><span class="identifier">get_pointer</span></code></a> +</h3></div></div></div> +<a name="get_pointer_1"></a><pre class="programlisting"><span class="keyword">template</span><span class="special"><</span><span class="keyword">class</span> <span class="identifier">T</span><span class="special">></span> <span class="identifier">T</span> <span class="special">*</span> <span class="identifier">get_pointer</span><span class="special">(</span><span class="identifier">T</span> <span class="special">*</span> <span class="identifier">p</span><span class="special">)</span> +</pre> +<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> +<li class="listitem"> + <span class="emphasis"><em>Returns:</em></span> <code class="computeroutput"><span class="identifier">p</span></code>. + </li> +<li class="listitem"> + <span class="emphasis"><em>Throws:</em></span> Nothing. + </li> +</ul></div> +</div> +<div class="section"> +<div class="titlepage"><div><div><h3 class="title"> +<a name="mem_fn.interface.mem_fn"></a><a class="link" href="mem_fn.html#mem_fn.interface.mem_fn" title="mem_fn"><code class="computeroutput"><span class="identifier">mem_fn</span></code></a> +</h3></div></div></div> +<a name="mem_fn_1"></a><pre class="programlisting"><span class="keyword">template</span><span class="special"><</span><span class="keyword">class</span> <span class="identifier">R</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">T</span><span class="special">></span> <span class="emphasis"><em>unspecified-1</em></span> <span class="identifier">mem_fn</span><span class="special">(</span><span class="identifier">R</span> <span class="special">(</span><span class="identifier">T</span><span class="special">::*</span><span class="identifier">pmf</span><span class="special">)</span> <span class="special">())</span> +</pre> +<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> +<li class="listitem"> + <span class="emphasis"><em>Returns:</em></span> a function object ϝ such that the + expression ϝ<code class="computeroutput"><span class="special">(</span><span class="identifier">t</span><span class="special">)</span></code> is equivalent to <code class="computeroutput"><span class="special">(</span><span class="identifier">t</span><span class="special">.*</span><span class="identifier">pmf</span><span class="special">)()</span></code> + when <code class="computeroutput"><span class="identifier">t</span></code> is an l-value + of type <code class="computeroutput"><span class="identifier">T</span></code> or derived, + <code class="computeroutput"><span class="special">(</span><span class="identifier">get_pointer</span><span class="special">(</span><span class="identifier">t</span><span class="special">)->*</span><span class="identifier">pmf</span><span class="special">)()</span></code> otherwise. + </li> +<li class="listitem"> + <span class="emphasis"><em>Throws:</em></span> Nothing. + </li> +</ul></div> +<a name="mem_fn_2"></a><pre class="programlisting"><span class="keyword">template</span><span class="special"><</span><span class="keyword">class</span> <span class="identifier">R</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">T</span><span class="special">></span> <span class="emphasis"><em>unspecified-2</em></span> <span class="identifier">mem_fn</span><span class="special">(</span><span class="identifier">R</span> <span class="special">(</span><span class="identifier">T</span><span class="special">::*</span><span class="identifier">pmf</span><span class="special">)</span> <span class="special">()</span> <span class="keyword">const</span><span class="special">)</span> +</pre> +<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> +<li class="listitem"> + <span class="emphasis"><em>Returns:</em></span> a function object ϝ such that the + expression ϝ<code class="computeroutput"><span class="special">(</span><span class="identifier">t</span><span class="special">)</span></code> is equivalent to <code class="computeroutput"><span class="special">(</span><span class="identifier">t</span><span class="special">.*</span><span class="identifier">pmf</span><span class="special">)()</span></code> + when <code class="computeroutput"><span class="identifier">t</span></code> is of type <code class="computeroutput"><span class="identifier">T</span></code> <span class="emphasis"><em>[</em></span><code class="computeroutput"><span class="keyword">const</span></code><span class="emphasis"><em>]</em></span> or derived, + <code class="computeroutput"><span class="special">(</span><span class="identifier">get_pointer</span><span class="special">(</span><span class="identifier">t</span><span class="special">)->*</span><span class="identifier">pmf</span><span class="special">)()</span></code> otherwise. + </li> +<li class="listitem"> + <span class="emphasis"><em>Throws:</em></span> Nothing. + </li> +</ul></div> +<a name="mem_fn_2_1"></a><pre class="programlisting"><span class="keyword">template</span><span class="special"><</span><span class="keyword">class</span> <span class="identifier">R</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">T</span><span class="special">></span> <span class="emphasis"><em>unspecified-2-1</em></span> <span class="identifier">mem_fn</span><span class="special">(</span><span class="identifier">R</span> <span class="identifier">T</span><span class="special">::*</span><span class="identifier">pm</span><span class="special">)</span> +</pre> +<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> +<li class="listitem"> + <span class="emphasis"><em>Returns:</em></span> a function object ϝ such that the + expression ϝ<code class="computeroutput"><span class="special">(</span><span class="identifier">t</span><span class="special">)</span></code> is equivalent to <code class="computeroutput"><span class="identifier">t</span><span class="special">.*</span><span class="identifier">pm</span></code> + when <code class="computeroutput"><span class="identifier">t</span></code> is of type <code class="computeroutput"><span class="identifier">T</span></code> <span class="emphasis"><em>[</em></span><code class="computeroutput"><span class="keyword">const</span></code><span class="emphasis"><em>]</em></span> or derived, + <code class="computeroutput"><span class="identifier">get_pointer</span><span class="special">(</span><span class="identifier">t</span><span class="special">)->*</span><span class="identifier">pm</span></code> otherwise. + </li> +<li class="listitem"> + <span class="emphasis"><em>Throws:</em></span> Nothing. + </li> +</ul></div> +<a name="mem_fn_3"></a><pre class="programlisting"><span class="keyword">template</span><span class="special"><</span><span class="keyword">class</span> <span class="identifier">R</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">T</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">A1</span><span class="special">></span> <span class="emphasis"><em>unspecified-3</em></span> <span class="identifier">mem_fn</span><span class="special">(</span><span class="identifier">R</span> <span class="special">(</span><span class="identifier">T</span><span class="special">::*</span><span class="identifier">pmf</span><span class="special">)</span> <span class="special">(</span><span class="identifier">A1</span><span class="special">))</span> +</pre> +<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> +<li class="listitem"> + <span class="emphasis"><em>Returns:</em></span> a function object ϝ such that the + expression ϝ<code class="computeroutput"><span class="special">(</span><span class="identifier">t</span><span class="special">,</span> <span class="identifier">a1</span><span class="special">)</span></code> is equivalent to <code class="computeroutput"><span class="special">(</span><span class="identifier">t</span><span class="special">.*</span><span class="identifier">pmf</span><span class="special">)(</span><span class="identifier">a1</span><span class="special">)</span></code> + when <code class="computeroutput"><span class="identifier">t</span></code> is an l-value + of type <code class="computeroutput"><span class="identifier">T</span></code> or derived, + <code class="computeroutput"><span class="special">(</span><span class="identifier">get_pointer</span><span class="special">(</span><span class="identifier">t</span><span class="special">)->*</span><span class="identifier">pmf</span><span class="special">)(</span><span class="identifier">a1</span><span class="special">)</span></code> otherwise. + </li> +<li class="listitem"> + <span class="emphasis"><em>Throws:</em></span> Nothing. + </li> +</ul></div> +<a name="mem_fn_4"></a><pre class="programlisting"><span class="keyword">template</span><span class="special"><</span><span class="keyword">class</span> <span class="identifier">R</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">T</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">A1</span><span class="special">></span> <span class="emphasis"><em>unspecified-4</em></span> <span class="identifier">mem_fn</span><span class="special">(</span><span class="identifier">R</span> <span class="special">(</span><span class="identifier">T</span><span class="special">::*</span><span class="identifier">pmf</span><span class="special">)</span> <span class="special">(</span><span class="identifier">A1</span><span class="special">)</span> <span class="keyword">const</span><span class="special">)</span> +</pre> +<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> +<li class="listitem"> + <span class="emphasis"><em>Returns:</em></span> a function object ϝ such that the + expression ϝ<code class="computeroutput"><span class="special">(</span><span class="identifier">t</span><span class="special">,</span> <span class="identifier">a1</span><span class="special">)</span></code> is equivalent to <code class="computeroutput"><span class="special">(</span><span class="identifier">t</span><span class="special">.*</span><span class="identifier">pmf</span><span class="special">)(</span><span class="identifier">a1</span><span class="special">)</span></code> + when <code class="computeroutput"><span class="identifier">t</span></code> is of type <code class="computeroutput"><span class="identifier">T</span></code> <span class="emphasis"><em>[</em></span><code class="computeroutput"><span class="keyword">const</span></code><span class="emphasis"><em>]</em></span> or derived, + <code class="computeroutput"><span class="special">(</span><span class="identifier">get_pointer</span><span class="special">(</span><span class="identifier">t</span><span class="special">)->*</span><span class="identifier">pmf</span><span class="special">)(</span><span class="identifier">a1</span><span class="special">)</span></code> otherwise. + </li> +<li class="listitem"> + <span class="emphasis"><em>Throws:</em></span> Nothing. + </li> +</ul></div> +<a name="mem_fn_5"></a><pre class="programlisting"><span class="keyword">template</span><span class="special"><</span><span class="keyword">class</span> <span class="identifier">R</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">T</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">A1</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">A2</span><span class="special">></span> <span class="emphasis"><em>unspecified-5</em></span> <span class="identifier">mem_fn</span><span class="special">(</span><span class="identifier">R</span> <span class="special">(</span><span class="identifier">T</span><span class="special">::*</span><span class="identifier">pmf</span><span class="special">)</span> <span class="special">(</span><span class="identifier">A1</span><span class="special">,</span> <span class="identifier">A2</span><span class="special">))</span> +</pre> +<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> +<li class="listitem"> + <span class="emphasis"><em>Returns:</em></span> a function object ϝ such that the + expression ϝ<code class="computeroutput"><span class="special">(</span><span class="identifier">t</span><span class="special">,</span> <span class="identifier">a1</span><span class="special">,</span> <span class="identifier">a2</span><span class="special">)</span></code> is equivalent to <code class="computeroutput"><span class="special">(</span><span class="identifier">t</span><span class="special">.*</span><span class="identifier">pmf</span><span class="special">)(</span><span class="identifier">a1</span><span class="special">,</span> <span class="identifier">a2</span><span class="special">)</span></code> + when <code class="computeroutput"><span class="identifier">t</span></code> is an l-value + of type <code class="computeroutput"><span class="identifier">T</span></code> or derived, + <code class="computeroutput"><span class="special">(</span><span class="identifier">get_pointer</span><span class="special">(</span><span class="identifier">t</span><span class="special">)->*</span><span class="identifier">pmf</span><span class="special">)(</span><span class="identifier">a1</span><span class="special">,</span> <span class="identifier">a2</span><span class="special">)</span></code> otherwise. + </li> +<li class="listitem"> + <span class="emphasis"><em>Throws:</em></span> Nothing. + </li> +</ul></div> +<a name="mem_fn_6"></a><pre class="programlisting"><span class="keyword">template</span><span class="special"><</span><span class="keyword">class</span> <span class="identifier">R</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">T</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">A1</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">A2</span><span class="special">></span> <span class="emphasis"><em>unspecified-6</em></span> <span class="identifier">mem_fn</span><span class="special">(</span><span class="identifier">R</span> <span class="special">(</span><span class="identifier">T</span><span class="special">::*</span><span class="identifier">pmf</span><span class="special">)</span> <span class="special">(</span><span class="identifier">A1</span><span class="special">,</span> <span class="identifier">A2</span><span class="special">)</span> <span class="keyword">const</span><span class="special">)</span> +</pre> +<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> +<li class="listitem"> + <span class="emphasis"><em>Returns:</em></span> a function object ϝ such that the + expression ϝ<code class="computeroutput"><span class="special">(</span><span class="identifier">t</span><span class="special">,</span> <span class="identifier">a1</span><span class="special">,</span> <span class="identifier">a2</span><span class="special">)</span></code> is equivalent to <code class="computeroutput"><span class="special">(</span><span class="identifier">t</span><span class="special">.*</span><span class="identifier">pmf</span><span class="special">)(</span><span class="identifier">a1</span><span class="special">,</span> <span class="identifier">a2</span><span class="special">)</span></code> + when <code class="computeroutput"><span class="identifier">t</span></code> is of type <code class="computeroutput"><span class="identifier">T</span></code> <span class="emphasis"><em>[</em></span><code class="computeroutput"><span class="keyword">const</span></code><span class="emphasis"><em>]</em></span> or derived, + <code class="computeroutput"><span class="special">(</span><span class="identifier">get_pointer</span><span class="special">(</span><span class="identifier">t</span><span class="special">)->*</span><span class="identifier">pmf</span><span class="special">)(</span><span class="identifier">a1</span><span class="special">,</span> <span class="identifier">a2</span><span class="special">)</span></code> otherwise. + </li> +<li class="listitem"> + <span class="emphasis"><em>Throws:</em></span> Nothing. + </li> +</ul></div> +</div> +</div> +<div class="section"> +<div class="titlepage"><div><div><h2 class="title" style="clear: both"> +<a name="mem_fn.implementation"></a><a class="link" href="mem_fn.html#mem_fn.implementation" title="Implementation">Implementation</a> +</h2></div></div></div> +<div class="section"> +<div class="titlepage"><div><div><h3 class="title"> +<a name="mem_fn.implementation.files"></a><a class="link" href="mem_fn.html#mem_fn.implementation.files" title="Files">Files</a> +</h3></div></div></div> +<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> +<li class="listitem"> + <a href="../../include/boost/mem_fn.hpp" target="_top">boost/mem_fn.hpp</a> + (main header) + </li> +<li class="listitem"> + <a href="../../include/boost/bind/mem_fn_cc.hpp" target="_top">boost/bind/mem_fn_cc.hpp</a> + (used by <code class="computeroutput"><span class="identifier">mem_fn</span><span class="special">.</span><span class="identifier">hpp</span></code>, do not include directly) + </li> +<li class="listitem"> + <a href="../../include/boost/bind/mem_fn_vw.hpp" target="_top">boost/bind/mem_fn_vw.hpp</a> + (used by <code class="computeroutput"><span class="identifier">mem_fn</span><span class="special">.</span><span class="identifier">hpp</span></code>, do not include directly) + </li> +<li class="listitem"> + <a href="../../include/boost/bind/mem_fn_template.hpp" target="_top">boost/bind/mem_fn_template.hpp</a> + (used by <code class="computeroutput"><span class="identifier">mem_fn</span><span class="special">.</span><span class="identifier">hpp</span></code>, do not include directly) + </li> +<li class="listitem"> + <a href="../../test/mem_fn_test.cpp" target="_top">libs/bind/test/mem_fn_test.cpp</a> + (test) + </li> +<li class="listitem"> + <a href="../../test/mem_fn_derived_test.cpp" target="_top">libs/bind/test/mem_fn_derived_test.cpp</a> + (test with derived objects) + </li> +<li class="listitem"> + <a href="../../test/mem_fn_fastcall_test.cpp" target="_top">libs/bind/test/mem_fn_fastcall_test.cpp</a> + (test for <code class="computeroutput"><span class="identifier">__fastcall</span></code>) + </li> +<li class="listitem"> + <a href="../../test/mem_fn_stdcall_test.cpp" target="_top">libs/bind/test/mem_fn_stdcall_test.cpp</a> + (test for <code class="computeroutput"><span class="identifier">__stdcall</span></code>) + </li> +<li class="listitem"> + <a href="../../test/mem_fn_void_test.cpp" target="_top">libs/bind/test/mem_fn_void_test.cpp</a> + (test for <code class="computeroutput"><span class="keyword">void</span></code> returns) + </li> +</ul></div> +</div> +<div class="section"> +<div class="titlepage"><div><div><h3 class="title"> +<a name="mem_fn.implementation.dependencies"></a><a class="link" href="mem_fn.html#mem_fn.implementation.dependencies" title="Dependencies">Dependencies</a> +</h3></div></div></div> +<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"> + <a href="../../../../libs/config/config.htm" target="_top">Boost.Config</a> + </li></ul></div> +</div> +<div class="section"> +<div class="titlepage"><div><div><h3 class="title"> +<a name="mem_fn.implementation.number_of_arguments"></a><a class="link" href="mem_fn.html#mem_fn.implementation.number_of_arguments" title="Number of Arguments">Number of + Arguments</a> +</h3></div></div></div> +<p> + This implementation supports member functions with up to eight arguments. + This is not an inherent limitation of the design, but an implementation detail. + </p> +</div> +<div class="section"> +<div class="titlepage"><div><div><h3 class="title"> +<a name="mem_fn.implementation.stdcall"></a><a class="link" href="mem_fn.html#mem_fn.implementation.stdcall" title="__stdcall, __cdecl, and __fastcall Support"><code class="computeroutput"><span class="identifier">__stdcall</span></code>, + <code class="computeroutput"><span class="identifier">__cdecl</span></code>, and <code class="computeroutput"><span class="identifier">__fastcall</span></code> Support</a> +</h3></div></div></div> +<p> + Some platforms allow several types of member functions that differ by their + calling convention (the rules by which the function is invoked: how are arguments + passed, how is the return value handled, and who cleans up the stack - if + any.) + </p> +<p> + For example, Windows API functions and COM interface member functions use + a calling convention known as <code class="computeroutput"><span class="identifier">__stdcall</span></code>. + Borland VCL components use <code class="computeroutput"><span class="identifier">__fastcall</span></code>. + UDK, the component model of OpenOffice.org, uses <code class="computeroutput"><span class="identifier">__cdecl</span></code>. + </p> +<p> + To use <code class="computeroutput"><span class="identifier">mem_fn</span></code> with <code class="computeroutput"><span class="identifier">__stdcall</span></code> member functions, <code class="computeroutput"><span class="preprocessor">#define</span></code> the macro <code class="computeroutput"><span class="identifier">BOOST_MEM_FN_ENABLE_STDCALL</span></code> + before including <code class="computeroutput"><span class="special"><</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">mem_fn</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span></code>. + </p> +<p> + To use <code class="computeroutput"><span class="identifier">mem_fn</span></code> with <code class="computeroutput"><span class="identifier">__fastcall</span></code> member functions, <code class="computeroutput"><span class="preprocessor">#define</span></code> the macro <code class="computeroutput"><span class="identifier">BOOST_MEM_FN_ENABLE_FASTCALL</span></code> + before including <code class="computeroutput"><span class="special"><</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">mem_fn</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span></code>. + </p> +<p> + To use <code class="computeroutput"><span class="identifier">mem_fn</span></code> with <code class="computeroutput"><span class="identifier">__cdecl</span></code> member functions, <code class="computeroutput"><span class="preprocessor">#define</span></code> the macro <code class="computeroutput"><span class="identifier">BOOST_MEM_FN_ENABLE_CDECL</span></code> + before including <code class="computeroutput"><span class="special"><</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">mem_fn</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span></code>. + </p> +<p> + <span class="bold"><strong>It is best to define these macros in the project options, + via <code class="computeroutput"><span class="special">-</span><span class="identifier">D</span></code> + on the command line, or as the first line in the translation unit (.cpp file) + where <code class="computeroutput"><span class="identifier">mem_fn</span></code> is used.</strong></span> + Not following this rule can lead to obscure errors when a header includes + <code class="computeroutput"><span class="identifier">mem_fn</span><span class="special">.</span><span class="identifier">hpp</span></code> before the macro has been defined. + </p> +<p> + <span class="emphasis"><em>[Note:</em></span> this is a non-portable extension. It is not part + of the interface.<span class="emphasis"><em>]</em></span> + </p> +<p> + <span class="emphasis"><em>[Note:</em></span> Some compilers provide only minimal support for + the <code class="computeroutput"><span class="identifier">__stdcall</span></code> keyword.<span class="emphasis"><em>]</em></span> + </p> +</div> +</div> +<div class="section"> +<div class="titlepage"><div><div><h2 class="title" style="clear: both"> +<a name="mem_fn.acknowledgements"></a><a class="link" href="mem_fn.html#mem_fn.acknowledgements" title="Acknowledgements">Acknowledgements</a> +</h2></div></div></div> +<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> +<li class="listitem"> + Rene Jager's initial suggestion of using traits classes to make <code class="computeroutput"><span class="identifier">mem_fn</span></code> adapt to user-defined smart pointers + inspired the <code class="computeroutput"><span class="identifier">get_pointer</span></code>-based + design. + </li> +<li class="listitem"> + Numerous improvements were suggested during the formal review period by + Richard Crossley, Jens Maurer, Ed Brey, and others. Review manager was + Darin Adler. + </li> +<li class="listitem"> + Steve Anichini pointed out that COM interfaces use <code class="computeroutput"><span class="identifier">__stdcall</span></code>. + </li> +<li class="listitem"> + Dave Abrahams modified <code class="computeroutput"><span class="identifier">bind</span></code> + and <code class="computeroutput"><span class="identifier">mem_fn</span></code> to support + <code class="computeroutput"><span class="keyword">void</span></code> returns on deficient + compilers. + </li> +<li class="listitem"> + Daniel Boelzle pointed out that UDK uses <code class="computeroutput"><span class="identifier">__cdecl</span></code>. + </li> +</ul></div> +<p> + This documentation was ported to Quickbook by Agustín Bergé. + </p> +</div> +</div> +<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> +<td align="left"><p><small>Last revised: April 07, 2015 at 22:47:15 GMT</small></p></td> +<td align="right"><div class="copyright-footer"></div></td> +</tr></table> +<hr> +<div class="spirit-nav"></div> +</body> +</html> |