ceph/src/boost/libs/type_traits/doc/html/boost_typetraits/reference/remove_const.html

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  26 <div class="titlepage"><div><div><h3 class="title">
  27 <a name="boost_typetraits.reference.remove_const"></a><a class="link" href="remove_const.html" title="remove_const">remove_const</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_const</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> The same type as <code class="computeroutput"><span class="identifier">T</span></code>,
  37         but with any <span class="emphasis"><em>top level</em></span> const-qualifier removed.
  38       </p>
  39 <p>
  40         <span class="bold"><strong>C++ Standard Reference:</strong></span> 3.9.3.
  41       </p>
  42 <p>
  43         <span class="bold"><strong>Compiler Compatibility:</strong></span> All current compilers
  44         are supported by this trait.
  45       </p>
  46 <p>
  47         <span class="bold"><strong>Header:</strong></span> <code class="computeroutput"> <span class="preprocessor">#include</span>
  48         <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_const</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span></code>
  49         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>
  50       </p>
  51 <div class="table">
  52 <a name="boost_typetraits.reference.remove_const.examples"></a><p class="title"><b>Table&#160;1.27.&#160;Examples</b></p>
  53 <div class="table-contents"><table class="table" summary="Examples">
  54 <colgroup>
  55 <col>
  56 <col>
  57 </colgroup>
  58 <thead><tr>
  59 <th>
  60                 <p>
  61                   Expression
  62                 </p>
  63               </th>
  64 <th>
  65                 <p>
  66                   Result Type
  67                 </p>
  68               </th>
  69 </tr></thead>
  70 <tbody>
  71 <tr>
  72 <td>
  73                 <p>
  74                   <code class="computeroutput"><span class="identifier">remove_const</span><span class="special">&lt;</span><span class="keyword">int</span><span class="special">&gt;::</span><span class="identifier">type</span></code>
  75                 </p>
  76               </td>
  77 <td>
  78                 <p>
  79                   <code class="computeroutput"><span class="keyword">int</span></code>
  80                 </p>
  81               </td>
  82 </tr>
  83 <tr>
  84 <td>
  85                 <p>
  86                   <code class="computeroutput"><span class="identifier">remove_const</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>
  87                 </p>
  88               </td>
  89 <td>
  90                 <p>
  91                   <code class="computeroutput"><span class="keyword">int</span></code>
  92                 </p>
  93               </td>
  94 </tr>
  95 <tr>
  96 <td>
  97                 <p>
  98                   <code class="computeroutput"><span class="identifier">remove_const</span><span class="special">&lt;</span><span class="keyword">int</span> <span class="keyword">const</span>
  99                   <span class="keyword">volatile</span><span class="special">&gt;::</span><span class="identifier">type</span></code>
 100                 </p>
 101               </td>
 102 <td>
 103                 <p>
 104                   <code class="computeroutput"><span class="keyword">int</span> <span class="keyword">volatile</span></code>
 105                 </p>
 106               </td>
 107 </tr>
 108 <tr>
 109 <td>
 110                 <p>
 111                   <code class="computeroutput"><span class="identifier">remove_const</span><span class="special">&lt;</span><span class="keyword">int</span> <span class="keyword">const</span><span class="special">&amp;&gt;::</span><span class="identifier">type</span></code>
 112                 </p>
 113               </td>
 114 <td>
 115                 <p>
 116                   <code class="computeroutput"><span class="keyword">int</span> <span class="keyword">const</span><span class="special">&amp;</span></code>
 117                 </p>
 118               </td>
 119 </tr>
 120 <tr>
 121 <td>
 122                 <p>
 123                   <code class="computeroutput"><span class="identifier">remove_const</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>
 124                 </p>
 125               </td>
 126 <td>
 127                 <p>
 128                   <code class="computeroutput"><span class="keyword">int</span> <span class="keyword">const</span><span class="special">*</span></code>
 129                 </p>
 130               </td>
 131 </tr>
 132 </tbody>
 133 </table></div>
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 139 <td align="right"><div class="copyright-footer">Copyright &#169; 2000, 2011 Adobe Systems Inc, David Abrahams,
 140       Frederic Bron, Steve Cleary, Beman Dawes, Aleksey Gurtovoy, Howard Hinnant,
 141       Jesse Jones, Mat Marcus, Itay Maman, John Maddock, Alexander Nasonov, Thorsten
 142       Ottosen, Roman Perepelitsa, Robert Ramey, Jeremy Siek, Robert Stewart and Steven
 143       Watanabe<p>
 144         Distributed under the Boost Software License, Version 1.0. (See accompanying
 145         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>)
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