1<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> 2<html> 3<head> 4<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 5<title>Reference</title> 6<link rel="stylesheet" href="../../../doc/src/boostbook.css" type="text/css"> 7<meta name="generator" content="DocBook XSL Stylesheets V1.79.1"> 8<link rel="home" href="../index.html" title="The Boost C++ Libraries BoostBook Documentation Subset"> 9<link rel="up" href="../signals2.html" title="Chapter 35. Boost.Signals2"> 10<link rel="prev" href="examples.html" title="Example programs"> 11<link rel="next" href="../boost/signals2/connection.html" title="Class connection"> 12</head> 13<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> 14<table cellpadding="2" width="100%"><tr> 15<td valign="top"><img alt="Boost C++ Libraries" width="277" height="86" src="../../../boost.png"></td> 16<td align="center"><a href="../../../index.html">Home</a></td> 17<td align="center"><a href="../../../libs/libraries.htm">Libraries</a></td> 18<td align="center"><a href="http://www.boost.org/users/people.html">People</a></td> 19<td align="center"><a href="http://www.boost.org/users/faq.html">FAQ</a></td> 20<td align="center"><a href="../../../more/index.htm">More</a></td> 21</tr></table> 22<hr> 23<div class="spirit-nav"> 24<a accesskey="p" href="examples.html"><img src="../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../signals2.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="../boost/signals2/connection.html"><img src="../../../doc/src/images/next.png" alt="Next"></a> 25</div> 26<div class="section"> 27<div class="titlepage"><div><div><h2 class="title" style="clear: both"> 28<a name="signals2.reference"></a>Reference</h2></div></div></div> 29<div class="toc"><dl class="toc"> 30<dt><span class="section"><a href="reference.html#header.boost.signals2_hpp">Header <boost/signals2.hpp></a></span></dt> 31<dt><span class="section"><a href="reference.html#header.boost.signals2.connection_hpp">Header <boost/signals2/connection.hpp></a></span></dt> 32<dt><span class="section"><a href="reference.html#header.boost.signals2.deconstruct_hpp">Header <boost/signals2/deconstruct.hpp></a></span></dt> 33<dt><span class="section"><a href="reference.html#header.boost.signals2.dummy_mutex_hpp">Header <boost/signals2/dummy_mutex.hpp></a></span></dt> 34<dt><span class="section"><a href="reference.html#header.boost.signals2.last_value_hpp">Header <boost/signals2/last_value.hpp></a></span></dt> 35<dt><span class="section"><a href="reference.html#header.boost.signals2.mutex_hpp">Header <boost/signals2/mutex.hpp></a></span></dt> 36<dt><span class="section"><a href="reference.html#header.boost.signals2.optional_last_value_hpp">Header <boost/signals2/optional_last_value.hpp></a></span></dt> 37<dt><span class="section"><a href="reference.html#header.boost.signals2.shared_connection_block_hpp">Header <boost/signals2/shared_connection_block.hpp></a></span></dt> 38<dt><span class="section"><a href="reference.html#header.boost.signals2.signal_hpp">Header <boost/signals2/signal.hpp></a></span></dt> 39<dt><span class="section"><a href="reference.html#header.boost.signals2.signal_base_hpp">Header <boost/signals2/signal_base.hpp></a></span></dt> 40<dt><span class="section"><a href="reference.html#header.boost.signals2.signal_type_hpp">Header <boost/signals2/signal_type.hpp></a></span></dt> 41<dt><span class="section"><a href="reference.html#header.boost.signals2.slot_hpp">Header <boost/signals2/slot.hpp></a></span></dt> 42<dt><span class="section"><a href="reference.html#header.boost.signals2.slot_base_hpp">Header <boost/signals2/slot_base.hpp></a></span></dt> 43<dt><span class="section"><a href="reference.html#header.boost.signals2.trackable_hpp">Header <boost/signals2/trackable.hpp></a></span></dt> 44</dl></div> 45<div class="section"> 46<div class="titlepage"><div><div><h3 class="title"> 47<a name="header.boost.signals2_hpp"></a>Header <<a href="../../../boost/signals2.hpp" target="_top">boost/signals2.hpp</a>></h3></div></div></div> 48<p> 49 Including the "boost/signals2.hpp" header pulls in all the other headers of the Signals2 50 library. It is provided as a convenience. 51 </p> 52</div> 53<div class="section"> 54<div class="titlepage"><div><div><h3 class="title"> 55<a name="header.boost.signals2.connection_hpp"></a>Header <<a href="../../../boost/signals2/connection.hpp" target="_top">boost/signals2/connection.hpp</a>></h3></div></div></div> 56<pre class="synopsis"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span> 57 <span class="keyword">namespace</span> <span class="identifier">signals2</span> <span class="special">{</span> 58 <span class="keyword">class</span> <a class="link" href="../boost/signals2/connection.html" title="Class connection">connection</a><span class="special">;</span> 59 <span class="keyword">void</span> <a class="link" href="../boost/signals2/connection.html#boost.signals2.connection.swap"><span class="identifier">swap</span></a><span class="special">(</span><a class="link" href="../boost/signals2/connection.html" title="Class connection">connection</a><span class="special">&</span><span class="special">,</span> <a class="link" href="../boost/signals2/connection.html" title="Class connection">connection</a><span class="special">&</span><span class="special">)</span><span class="special">;</span> 60 <span class="keyword">class</span> <a class="link" href="../boost/signals2/scoped_connection.html" title="Class scoped_connection">scoped_connection</a><span class="special">;</span> 61 <span class="special">}</span> 62<span class="special">}</span></pre> 63</div> 64<div class="section"> 65<div class="titlepage"><div><div><h3 class="title"> 66<a name="header.boost.signals2.deconstruct_hpp"></a>Header <<a href="../../../boost/signals2/deconstruct.hpp" target="_top">boost/signals2/deconstruct.hpp</a>></h3></div></div></div> 67<pre class="synopsis"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span> 68 <span class="keyword">namespace</span> <span class="identifier">signals2</span> <span class="special">{</span> 69 <span class="keyword">class</span> <a class="link" href="../boost/signals2/deconstruct_access.html" title="Class deconstruct_access">deconstruct_access</a><span class="special">;</span> 70 <span class="keyword">class</span> <a class="link" href="../boost/signals2/postconstructor_invoker.html" title="Class postconstructor_invoker">postconstructor_invoker</a><span class="special">;</span> 71 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> T<span class="special">></span> <a class="link" href="../boost/signals2/postconstructor_invoker.html" title="Class postconstructor_invoker">postconstructor_invoker</a><span class="special"><</span><span class="identifier">T</span><span class="special">></span> <a class="link" href="../boost/signals2/deconstruct.html" title="Function deconstruct"><span class="identifier">deconstruct</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span> 72 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> T<span class="special">,</span> <span class="keyword">typename</span> A1<span class="special">></span> 73 <a class="link" href="../boost/signals2/postconstructor_invoker.html" title="Class postconstructor_invoker">postconstructor_invoker</a><span class="special"><</span><span class="identifier">T</span><span class="special">></span> <a class="link" href="../boost/signals2/deconstruct.html" title="Function deconstruct"><span class="identifier">deconstruct</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">A1</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span> 74 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> T<span class="special">,</span> <span class="keyword">typename</span> A1<span class="special">,</span> <span class="keyword">typename</span> A2<span class="special">></span> 75 <a class="link" href="../boost/signals2/postconstructor_invoker.html" title="Class postconstructor_invoker">postconstructor_invoker</a><span class="special"><</span><span class="identifier">T</span><span class="special">></span> <a class="link" href="../boost/signals2/deconstruct.html" title="Function deconstruct"><span class="identifier">deconstruct</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">A1</span> <span class="special">&</span><span class="special">,</span> <span class="keyword">const</span> <span class="identifier">A2</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span> 76 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> T<span class="special">,</span> <span class="keyword">typename</span> A1<span class="special">,</span> <span class="keyword">typename</span> A2, ...<span class="special">,</span> <span class="keyword">typename</span> AN<span class="special">></span> 77 <a class="link" href="../boost/signals2/postconstructor_invoker.html" title="Class postconstructor_invoker">postconstructor_invoker</a><span class="special"><</span><span class="identifier">T</span><span class="special">></span> 78 <a class="link" href="../boost/signals2/deconstruct.html" title="Function deconstruct"><span class="identifier">deconstruct</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">A1</span> <span class="special">&</span><span class="special">,</span> <span class="keyword">const</span> <span class="identifier">A2</span> <span class="special">&</span><span class="special">,</span> <span class="special">...</span><span class="special">,</span> <span class="keyword">const</span> <span class="identifier">AN</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span> 79 <span class="special">}</span> 80<span class="special">}</span></pre> 81</div> 82<div class="section"> 83<div class="titlepage"><div><div><h3 class="title"> 84<a name="header.boost.signals2.dummy_mutex_hpp"></a>Header <<a href="../../../boost/signals2/dummy_mutex.hpp" target="_top">boost/signals2/dummy_mutex.hpp</a>></h3></div></div></div> 85<pre class="synopsis"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span> 86 <span class="keyword">namespace</span> <span class="identifier">signals2</span> <span class="special">{</span> 87 <span class="keyword">class</span> <a class="link" href="../boost/signals2/dummy_mutex.html" title="Class dummy_mutex">dummy_mutex</a><span class="special">;</span> 88 <span class="special">}</span> 89<span class="special">}</span></pre> 90</div> 91<div class="section"> 92<div class="titlepage"><div><div><h3 class="title"> 93<a name="header.boost.signals2.last_value_hpp"></a>Header <<a href="../../../boost/signals2/last_value.hpp" target="_top">boost/signals2/last_value.hpp</a>></h3></div></div></div> 94<pre class="synopsis"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span> 95 <span class="keyword">namespace</span> <span class="identifier">signals2</span> <span class="special">{</span> 96 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> T<span class="special">></span> <span class="keyword">class</span> <a class="link" href="../boost/signals2/last_value.html" title="Class template last_value">last_value</a><span class="special">;</span> 97 98 <span class="keyword">template</span><span class="special"><</span><span class="special">></span> <span class="keyword">class</span> <a class="link" href="../boost/signals2/last_valu_1_3_36_6_5_1_1_2.html" title="Class last_value<void>">last_value</a><span class="special"><</span><span class="keyword">void</span><span class="special">></span><span class="special">;</span> 99 100 <span class="keyword">class</span> <a class="link" href="../boost/signals2/no_slots_error.html" title="Class no_slots_error">no_slots_error</a><span class="special">;</span> 101 <span class="special">}</span> 102<span class="special">}</span></pre> 103</div> 104<div class="section"> 105<div class="titlepage"><div><div><h3 class="title"> 106<a name="header.boost.signals2.mutex_hpp"></a>Header <<a href="../../../boost/signals2/mutex.hpp" target="_top">boost/signals2/mutex.hpp</a>></h3></div></div></div> 107<pre class="synopsis"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span> 108 <span class="keyword">namespace</span> <span class="identifier">signals2</span> <span class="special">{</span> 109 <span class="keyword">class</span> <a class="link" href="../boost/signals2/mutex.html" title="Class mutex">mutex</a><span class="special">;</span> 110 <span class="special">}</span> 111<span class="special">}</span></pre> 112</div> 113<div class="section"> 114<div class="titlepage"><div><div><h3 class="title"> 115<a name="header.boost.signals2.optional_last_value_hpp"></a>Header <<a href="../../../boost/signals2/optional_last_value.hpp" target="_top">boost/signals2/optional_last_value.hpp</a>></h3></div></div></div> 116<pre class="synopsis"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span> 117 <span class="keyword">namespace</span> <span class="identifier">signals2</span> <span class="special">{</span> 118 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> T<span class="special">></span> <span class="keyword">class</span> <a class="link" href="../boost/signals2/optional_last_value.html" title="Class template optional_last_value">optional_last_value</a><span class="special">;</span> 119 120 <span class="keyword">template</span><span class="special"><</span><span class="special">></span> <span class="keyword">class</span> <a class="link" href="../boost/signals2/optional__1_3_36_6_7_1_1_2.html" title="Class optional_last_value<void>">optional_last_value</a><span class="special"><</span><span class="keyword">void</span><span class="special">></span><span class="special">;</span> 121 <span class="special">}</span> 122<span class="special">}</span></pre> 123</div> 124<div class="section"> 125<div class="titlepage"><div><div><h3 class="title"> 126<a name="header.boost.signals2.shared_connection_block_hpp"></a>Header <<a href="../../../boost/signals2/shared_connection_block.hpp" target="_top">boost/signals2/shared_connection_block.hpp</a>></h3></div></div></div> 127<pre class="synopsis"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span> 128 <span class="keyword">namespace</span> <span class="identifier">signals2</span> <span class="special">{</span> 129 <span class="keyword">class</span> <a class="link" href="../boost/signals2/shared_connection_block.html" title="Class shared_connection_block">shared_connection_block</a><span class="special">;</span> 130 <span class="special">}</span> 131<span class="special">}</span></pre> 132</div> 133<div class="section"> 134<div class="titlepage"><div><div><h3 class="title"> 135<a name="header.boost.signals2.signal_hpp"></a>Header <<a href="../../../boost/signals2/signal.hpp" target="_top">boost/signals2/signal.hpp</a>></h3></div></div></div> 136<pre class="synopsis"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span> 137 <span class="keyword">namespace</span> <span class="identifier">signals2</span> <span class="special">{</span> 138 139 <span class="keyword">enum</span> <a name="boost.signals2.connect_position"></a>connect_position <span class="special">{</span> at_front, at_back <span class="special">}</span><span class="special">;</span> 140 141 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> Signature<span class="special">,</span> 142 <span class="keyword">typename</span> Combiner <span class="special">=</span> <a class="link" href="../boost/signals2/optional_last_value.html" title="Class template optional_last_value">boost::signals2::optional_last_value</a><span class="special"><</span><span class="identifier">R</span><span class="special">></span><span class="special">,</span> 143 <span class="keyword">typename</span> Group <span class="special">=</span> <span class="keyword">int</span><span class="special">,</span> <span class="keyword">typename</span> GroupCompare <span class="special">=</span> std::less<span class="special"><</span><span class="identifier">Group</span><span class="special">></span><span class="special">,</span> 144 <span class="keyword">typename</span> SlotFunction <span class="special">=</span> <a class="link" href="../boost/function.html" title="Class template function">boost::function</a><span class="special"><</span><span class="identifier">Signature</span><span class="special">></span><span class="special">,</span> 145 <span class="keyword">typename</span> ExtendedSlotFunction <span class="special">=</span> <a class="link" href="../boost/function.html" title="Class template function">boost::function</a><span class="special"><</span><span class="identifier">R</span> <span class="special">(</span><span class="keyword">const</span> <a class="link" href="../boost/signals2/connection.html" title="Class connection">connection</a> <span class="special">&</span><span class="special">,</span> <span class="identifier">T1</span><span class="special">,</span> <span class="identifier">T2</span><span class="special">,</span> <span class="special">...</span><span class="special">,</span> <span class="identifier">TN</span><span class="special">)</span><span class="special">></span><span class="special">,</span> 146 <span class="keyword">typename</span> Mutex <span class="special">=</span> <a class="link" href="../boost/signals2/mutex.html" title="Class mutex">boost::signals2::mutex</a><span class="special">></span> 147 <span class="keyword">class</span> <a class="link" href="../boost/signals2/signal.html" title="Class template signal">signal</a><span class="special">;</span> 148 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> Signature<span class="special">,</span> <span class="keyword">typename</span> Combiner<span class="special">,</span> <span class="keyword">typename</span> Group<span class="special">,</span> 149 <span class="keyword">typename</span> GroupCompare<span class="special">,</span> <span class="keyword">typename</span> SlotFunction<span class="special">,</span> 150 <span class="keyword">typename</span> ExtendedSlotFunction<span class="special">,</span> <span class="keyword">typename</span> Mutex<span class="special">></span> 151 <span class="keyword">void</span> <a class="link" href="../boost/signals2/signal.html#boost.signals2.signal.swap"><span class="identifier">swap</span></a><span class="special">(</span><a class="link" href="../boost/signals2/signal.html" title="Class template signal">signal</a><span class="special"><</span><span class="identifier">Signature</span><span class="special">,</span> <span class="identifier">Combiner</span><span class="special">,</span> <span class="identifier">Group</span><span class="special">,</span> <span class="identifier">GroupCompare</span><span class="special">,</span> <span class="identifier">SlotFunction</span><span class="special">,</span> <span class="identifier">ExtendedSlotFunction</span><span class="special">,</span> <span class="identifier">Mutex</span><span class="special">></span><span class="special">&</span><span class="special">,</span> 152 <a class="link" href="../boost/signals2/signal.html" title="Class template signal">signal</a><span class="special"><</span><span class="identifier">Signature</span><span class="special">,</span> <span class="identifier">Combiner</span><span class="special">,</span> <span class="identifier">Group</span><span class="special">,</span> <span class="identifier">GroupCompare</span><span class="special">,</span> <span class="identifier">SlotFunction</span><span class="special">,</span> <span class="identifier">ExtendedSlotFunction</span><span class="special">,</span> <span class="identifier">Mutex</span><span class="special">></span><span class="special">&</span><span class="special">)</span><span class="special">;</span> 153 <span class="special">}</span> 154<span class="special">}</span></pre> 155</div> 156<div class="section"> 157<div class="titlepage"><div><div><h3 class="title"> 158<a name="header.boost.signals2.signal_base_hpp"></a>Header <<a href="../../../boost/signals2/signal_base.hpp" target="_top">boost/signals2/signal_base.hpp</a>></h3></div></div></div> 159<pre class="synopsis"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span> 160 <span class="keyword">namespace</span> <span class="identifier">signals2</span> <span class="special">{</span> 161 <span class="keyword">class</span> <a class="link" href="../boost/signals2/signal_base.html" title="Class signal_base">signal_base</a><span class="special">;</span> 162 <span class="special">}</span> 163<span class="special">}</span></pre> 164</div> 165<div class="section"> 166<div class="titlepage"><div><div><h3 class="title"> 167<a name="header.boost.signals2.signal_type_hpp"></a>Header <<a href="../../../boost/signals2/signal_type.hpp" target="_top">boost/signals2/signal_type.hpp</a>></h3></div></div></div> 168<pre class="synopsis"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span> 169 <span class="keyword">namespace</span> <span class="identifier">signals2</span> <span class="special">{</span> 170 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> A0<span class="special">,</span> <span class="keyword">typename</span> A1 <span class="special">=</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">parameter</span><span class="special">::</span><span class="identifier">void_</span><span class="special">,</span> 171 <span class="keyword">typename</span> A2 <span class="special">=</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">parameter</span><span class="special">::</span><span class="identifier">void_</span><span class="special">,</span> 172 <span class="keyword">typename</span> A3 <span class="special">=</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">parameter</span><span class="special">::</span><span class="identifier">void_</span><span class="special">,</span> 173 <span class="keyword">typename</span> A4 <span class="special">=</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">parameter</span><span class="special">::</span><span class="identifier">void_</span><span class="special">,</span> 174 <span class="keyword">typename</span> A5 <span class="special">=</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">parameter</span><span class="special">::</span><span class="identifier">void_</span><span class="special">,</span> 175 <span class="keyword">typename</span> A6 <span class="special">=</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">parameter</span><span class="special">::</span><span class="identifier">void_</span><span class="special">></span> 176 <span class="keyword">class</span> <a class="link" href="../boost/signals2/signal_type.html" title="Class template signal_type">signal_type</a><span class="special">;</span> 177 <span class="keyword">namespace</span> <span class="identifier">keywords</span> <span class="special">{</span> 178 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> Signature<span class="special">></span> <span class="keyword">class</span> <a class="link" href="../boost/signals2/keywords/signature_type.html" title="Class template signature_type">signature_type</a><span class="special">;</span> 179 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> Combiner<span class="special">></span> <span class="keyword">class</span> <a class="link" href="../boost/signals2/keywords/combiner_type.html" title="Class template combiner_type">combiner_type</a><span class="special">;</span> 180 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> Group<span class="special">></span> <span class="keyword">class</span> <a class="link" href="../boost/signals2/keywords/group_type.html" title="Class template group_type">group_type</a><span class="special">;</span> 181 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> GroupCompare<span class="special">></span> <span class="keyword">class</span> <a class="link" href="../boost/signals2/keywords/group_compare_type.html" title="Class template group_compare_type">group_compare_type</a><span class="special">;</span> 182 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> SlotFunction<span class="special">></span> <span class="keyword">class</span> <a class="link" href="../boost/signals2/keywords/slot_function_type.html" title="Class template slot_function_type">slot_function_type</a><span class="special">;</span> 183 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> ExtendedSlotFunction<span class="special">></span> <span class="keyword">class</span> <a class="link" href="../boost/signals2/keywords/extend_1_3_36_6_11_1_1_1_6.html" title="Class template extended_slot_function_type">extended_slot_function_type</a><span class="special">;</span> 184 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> Mutex<span class="special">></span> <span class="keyword">class</span> <a class="link" href="../boost/signals2/keywords/mutex_type.html" title="Class template mutex_type">mutex_type</a><span class="special">;</span> 185 <span class="special">}</span> 186 <span class="special">}</span> 187<span class="special">}</span></pre> 188</div> 189<div class="section"> 190<div class="titlepage"><div><div><h3 class="title"> 191<a name="header.boost.signals2.slot_hpp"></a>Header <<a href="../../../boost/signals2/slot.hpp" target="_top">boost/signals2/slot.hpp</a>></h3></div></div></div> 192<pre class="synopsis"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span> 193 <span class="keyword">namespace</span> <span class="identifier">signals2</span> <span class="special">{</span> 194 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> Signature<span class="special">,</span> 195 <span class="keyword">typename</span> SlotFunction <span class="special">=</span> <a class="link" href="../boost/function.html" title="Class template function">boost::function</a><span class="special"><</span><span class="identifier">R</span> <span class="special">(</span><span class="identifier">T1</span><span class="special">,</span> <span class="identifier">T2</span><span class="special">,</span> <span class="special">...</span><span class="special">,</span> <span class="identifier">TN</span><span class="special">)</span><span class="special">></span> <span class="special">></span> 196 <span class="keyword">class</span> <a class="link" href="../boost/signals2/slot.html" title="Class template slot">slot</a><span class="special">;</span> 197 <span class="special">}</span> 198<span class="special">}</span></pre> 199</div> 200<div class="section"> 201<div class="titlepage"><div><div><h3 class="title"> 202<a name="header.boost.signals2.slot_base_hpp"></a>Header <<a href="../../../boost/signals2/slot_base.hpp" target="_top">boost/signals2/slot_base.hpp</a>></h3></div></div></div> 203<pre class="synopsis"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span> 204 <span class="keyword">namespace</span> <span class="identifier">signals2</span> <span class="special">{</span> 205 <span class="keyword">class</span> <a class="link" href="../boost/signals2/slot_base.html" title="Class slot_base">slot_base</a><span class="special">;</span> 206 <span class="keyword">class</span> <a class="link" href="../boost/signals2/expired_slot.html" title="Class expired_slot">expired_slot</a><span class="special">;</span> 207 <span class="special">}</span> 208<span class="special">}</span></pre> 209</div> 210<div class="section"> 211<div class="titlepage"><div><div><h3 class="title"> 212<a name="header.boost.signals2.trackable_hpp"></a>Header <<a href="../../../boost/signals2/trackable.hpp" target="_top">boost/signals2/trackable.hpp</a>></h3></div></div></div> 213<pre class="synopsis"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span> 214 <span class="keyword">namespace</span> <span class="identifier">signals2</span> <span class="special">{</span> 215 <span class="keyword">class</span> <a class="link" href="../boost/signals2/trackable.html" title="Class trackable">trackable</a><span class="special">;</span> 216 <span class="special">}</span> 217<span class="special">}</span></pre> 218</div> 219</div> 220<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> 221<td align="left"></td> 222<td align="right"><div class="copyright-footer">Copyright © 2001-2004 Douglas Gregor<br>Copyright © 2007-2009 Frank Mori Hess<p>Distributed under the Boost 223 Software License, Version 1.0. (See accompanying file 224 <code class="filename">LICENSE_1_0.txt</code> or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)</p> 225</div></td> 226</tr></table> 227<hr> 228<div class="spirit-nav"> 229<a accesskey="p" href="examples.html"><img src="../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../signals2.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="../boost/signals2/connection.html"><img src="../../../doc/src/images/next.png" alt="Next"></a> 230</div> 231</body> 232</html> 233
