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>BoostBook element namespace</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="../../reference.html" title="Reference"> 10<link rel="prev" href="constructor.html" title="BoostBook element constructor"> 11<link rel="next" href="if-fails.html" title="BoostBook element if-fails"> 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="constructor.html"><img src="../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../../reference.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="if-fails.html"><img src="../../../../doc/src/images/next.png" alt="Next"></a> 25</div> 26<div class="refentry"> 27<a name="boostbook.dtd.namespace"></a><div class="titlepage"></div> 28<div class="refnamediv"> 29<h2><span class="refentrytitle"> 30 BoostBook element <code class="sgmltag-element">namespace</code></span></h2> 31<p>namespace — Declares a namespace</p> 32</div> 33<h2 xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv-title">Synopsis</h2> 34<div xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv">namespace ::= 35 (<a class="link" href="class.html" title="BoostBook element class">class</a>| <a class="link" href="class-specialization.html" title="BoostBook element class-specialization">class-specialization</a>| <a class="link" href="struct.html" title="BoostBook element struct">struct</a>| <a class="link" href="struct-specialization.html" title="BoostBook element struct-specialization">struct-specialization</a>| <a class="link" href="union.html" title="BoostBook element union">union</a>| <a class="link" href="union-specialization.html" title="BoostBook element union-specialization">union-specialization</a>| <a class="link" href="typedef.html" title="BoostBook element typedef">typedef</a>| <a class="link" href="enum.html" title="BoostBook element enum">enum</a>| <a class="link" href="free-function-group.html" title="BoostBook element free-function-group">free-function-group</a>| <a class="link" href="function.html" title="BoostBook element function">function</a>| <a class="link" href="overloaded-function.html" title="BoostBook element overloaded-function">overloaded-function</a>| <a class="link" href="namespace.html" title="BoostBook element namespace">namespace</a>)* 36</div> 37<div class="refsection"> 38<a name="id-1.4.3.7.26.4"></a><h2>Description</h2> 39<p>BoostBook namespaces are declared via the <namespace> 40 element. As in C++, namespaces can be nested and contain other C++ 41 constructs, such as classes or functions. The <code class="computeroutput">name</code> 42 attribute of a <namespace> element gives the namespace name 43 (e.g., "boost"). The <a class="link" href="../../any.html" title="Chapter 4. Boost.Any">Any</a> library is 44 defined entirely within namespace boost by:</p> 45<pre class="programlisting"><library-reference> 46 <header name="boost/any.hpp"> 47 <namespace name="boost"> 48 <!-- C++ constructs in the boost namespace --> 49 </namespace> 50 </header> 51</library-reference></pre> 52</div> 53<div class="refsection"> 54<a name="id-1.4.3.7.26.5"></a><h2>Attributes</h2> 55<div class="informaltable"><table class="table"> 56<colgroup> 57<col> 58<col> 59<col> 60<col> 61</colgroup> 62<thead><tr> 63<th>Name</th> 64<th>Type</th> 65<th>Value</th> 66<th>Purpose</th> 67</tr></thead> 68<tbody> 69<tr> 70<td>last-revision</td> 71<td>#IMPLIED</td> 72<td>CDATA</td> 73<td>Set to $Date$ to keep "last revised" information in sync with CVS changes</td> 74</tr> 75<tr> 76<td>name</td> 77<td>#REQUIRED</td> 78<td>CDATA</td> 79<td>The name of the element being declared to referenced</td> 80</tr> 81<tr> 82<td>id</td> 83<td>#IMPLIED</td> 84<td>CDATA</td> 85<td>A global identifier for this element</td> 86</tr> 87<tr> 88<td>xml:base</td> 89<td>#IMPLIED</td> 90<td>CDATA</td> 91<td>Implementation detail used by XIncludes</td> 92</tr> 93</tbody> 94</table></div> 95</div> 96</div> 97<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> 98<td align="left"></td> 99<td align="right"><div class="copyright-footer">Copyright © 2003-2005 Douglas Gregor<p>Distributed under the Boost Software License, Version 1.0. 100 (See accompanying file LICENSE_1_0.txt or copy at 101 <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>). 102 </p> 103</div></td> 104</tr></table> 105<hr> 106<div class="spirit-nav"> 107<a accesskey="p" href="constructor.html"><img src="../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../../reference.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="if-fails.html"><img src="../../../../doc/src/images/next.png" alt="Next"></a> 108</div> 109</body> 110</html> 111