libs/type_traits/doc/html/boost_typetraits/reference/remove_extent.html

   1 <html>
   2 <head>
   3 <meta http-equiv="Content-Type" content="text/html; charset=US-ASCII">
   4 <title>remove_extent</title>
   5 <link rel="stylesheet" href="../../../../../../doc/src/boostbook.css" type="text/css">
   6 <meta name="generator" content="DocBook XSL Stylesheets V1.78.1">
   7 <link rel="home" href="../../index.html" title="Chapter&#160;1.&#160;Boost.TypeTraits">
   8 <link rel="up" href="../reference.html" title="Alphabetical Reference">
   9 <link rel="prev" href="remove_cv.html" title="remove_cv">
  10 <link rel="next" href="remove_pointer.html" title="remove_pointer">
  11 </head>
  12 <body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF">
  13 <table cellpadding="2" width="100%"><tr>
  14 <td valign="top"><img alt="Boost C++ Libraries" width="277" height="86" src="../../../../../../boost.png"></td>
  15 <td align="center"><a href="../../../../../../index.html">Home</a></td>
  16 <td align="center"><a href="../../../../../../libs/libraries.htm">Libraries</a></td>
  17 <td align="center"><a href="http://www.boost.org/users/people.html">People</a></td>
  18 <td align="center"><a href="http://www.boost.org/users/faq.html">FAQ</a></td>
  19 <td align="center"><a href="../../../../../../more/index.htm">More</a></td>
  20 </tr></table>
  21 <hr>
  22 <div class="spirit-nav">
  23 <a accesskey="p" href="remove_cv.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="remove_pointer.html"><img src="../../../../../../doc/src/images/next.png" alt="Next"></a>
  24 </div>
  25 <div class="section">
  26 <div class="titlepage"><div><div><h3 class="title">
  27 <a name="boost_typetraits.reference.remove_extent"></a><a class="link" href="remove_extent.html" title="remove_extent">remove_extent</a>
  28 </h3></div></div></div>
  29 <pre class="programlisting"><span class="keyword">template</span> <span class="special">&lt;</span><span class="keyword">class</span> <span class="identifier">T</span><span class="special">&gt;</span>
  30 <span class="keyword">struct</span> <span class="identifier">remove_extent</span>
  31 <span class="special">{</span>
  32    <span class="keyword">typedef</span> <em class="replaceable"><code>see-below</code></em> <span class="identifier">type</span><span class="special">;</span>
  33 <span class="special">};</span>
  34 </pre>
  35 <p>
  36         <span class="bold"><strong>type:</strong></span> If <code class="computeroutput"><span class="identifier">T</span></code>
  37         is an array type, then removes the topmost array bound, otherwise leaves
  38         <code class="computeroutput"><span class="identifier">T</span></code> unchanged.
  39       </p>
  40 <p>
  41         <span class="bold"><strong>C++ Standard Reference:</strong></span> 8.3.4.
  42       </p>
  43 <p>
  44         <span class="bold"><strong>Compiler Compatibility:</strong></span> If the compiler
  45         does not support partial specialization of class-templates then this template
  46         will compile, but the member <code class="computeroutput"><span class="identifier">type</span></code>
  47         will always be the same as type <code class="computeroutput"><span class="identifier">T</span></code>
  48         except where <a class="link" href="../category/transform.html#boost_typetraits.category.transform.broken_compiler_workarounds_">compiler
  49         workarounds</a> have been applied.
  50       </p>
  51 <p>
  52         <span class="bold"><strong>Header:</strong></span> <code class="computeroutput"> <span class="preprocessor">#include</span>
  53         <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">type_traits</span><span class="special">/</span><span class="identifier">remove_extent</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span></code>
  54         or <code class="computeroutput"> <span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">type_traits</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span></code>
  55       </p>
  56 <div class="table">
  57 <a name="boost_typetraits.reference.remove_extent.examples"></a><p class="title"><b>Table&#160;1.28.&#160;Examples</b></p>
  58 <div class="table-contents"><table class="table" summary="Examples">
  59 <colgroup>
  60 <col>
  61 <col>
  62 </colgroup>
  63 <thead><tr>
  64 <th>
  65                 <p>
  66                   Expression
  67                 </p>
  68               </th>
  69 <th>
  70                 <p>
  71                   Result Type
  72                 </p>
  73               </th>
  74 </tr></thead>
  75 <tbody>
  76 <tr>
  77 <td>
  78                 <p>
  79                   <code class="computeroutput"><span class="identifier">remove_extent</span><span class="special">&lt;</span><span class="keyword">int</span><span class="special">&gt;::</span><span class="identifier">type</span></code>
  80                 </p>
  81               </td>
  82 <td>
  83                 <p>
  84                   <code class="computeroutput"><span class="keyword">int</span></code>
  85                 </p>
  86               </td>
  87 </tr>
  88 <tr>
  89 <td>
  90                 <p>
  91                   <code class="computeroutput"><span class="identifier">remove_extent</span><span class="special">&lt;</span><span class="keyword">int</span> <span class="keyword">const</span><span class="special">[</span><span class="number">2</span><span class="special">]&gt;::</span><span class="identifier">type</span></code>
  92                 </p>
  93               </td>
  94 <td>
  95                 <p>
  96                   <code class="computeroutput"><span class="keyword">int</span> <span class="keyword">const</span></code>
  97                 </p>
  98               </td>
  99 </tr>
 100 <tr>
 101 <td>
 102                 <p>
 103                   <code class="computeroutput"><span class="identifier">remove_extent</span><span class="special">&lt;</span><span class="keyword">int</span><span class="special">[</span><span class="number">2</span><span class="special">][</span><span class="number">4</span><span class="special">]&gt;::</span><span class="identifier">type</span></code>
 104                 </p>
 105               </td>
 106 <td>
 107                 <p>
 108                   <code class="computeroutput"><span class="keyword">int</span><span class="special">[</span><span class="number">4</span><span class="special">]</span></code>
 109                 </p>
 110               </td>
 111 </tr>
 112 <tr>
 113 <td>
 114                 <p>
 115                   <code class="computeroutput"><span class="identifier">remove_extent</span><span class="special">&lt;</span><span class="keyword">int</span><span class="special">[][</span><span class="number">2</span><span class="special">]&gt;::</span><span class="identifier">type</span></code>
 116                 </p>
 117               </td>
 118 <td>
 119                 <p>
 120                   <code class="computeroutput"><span class="keyword">int</span><span class="special">[</span><span class="number">2</span><span class="special">]</span></code>
 121                 </p>
 122               </td>
 123 </tr>
 124 <tr>
 125 <td>
 126                 <p>
 127                   <code class="computeroutput"><span class="identifier">remove_extent</span><span class="special">&lt;</span><span class="keyword">int</span> <span class="keyword">const</span><span class="special">*&gt;::</span><span class="identifier">type</span></code>
 128                 </p>
 129               </td>
 130 <td>
 131                 <p>
 132                   <code class="computeroutput"><span class="keyword">int</span> <span class="keyword">const</span><span class="special">*</span></code>
 133                 </p>
 134               </td>
 135 </tr>
 136 </tbody>
 137 </table></div>
 138 </div>
 139 <br class="table-break">
 140 </div>
 141 <table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
 142 <td align="left"></td>
 143 <td align="right"><div class="copyright-footer">Copyright &#169; 2000, 2011 Adobe Systems Inc, David Abrahams,
 144       Frederic Bron, Steve Cleary, Beman Dawes, Aleksey Gurtovoy, Howard Hinnant,
 145       Jesse Jones, Mat Marcus, Itay Maman, John Maddock, Alexander Nasonov, Thorsten
 146       Ottosen, Roman Perepelitsa, Robert Ramey, Jeremy Siek, Robert Stewart and Steven
 147       Watanabe<p>
 148         Distributed under the Boost Software License, Version 1.0. (See accompanying
 149         file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
 150       </p>
 151 </div></td>
 152 </tr></table>
 153 <hr>
 154 <div class="spirit-nav">
 155 <a accesskey="p" href="remove_cv.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="remove_pointer.html"><img src="../../../../../../doc/src/images/next.png" alt="Next"></a>
 156 </div>
 157 </body>
 158 </html>