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

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  26 <div class="titlepage"><div><div><h3 class="title">
  27 <a name="boost_typetraits.reference.remove_pointer"></a><a class="link" href="remove_pointer.html" title="remove_pointer">remove_pointer</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_pointer</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 pointer modifier removed. Note that pointers to members are
  38         left unchanged: removing the pointer decoration would result in an invalid
  39         type.
  40       </p>
  41 <p>
  42         <span class="bold"><strong>C++ Standard Reference:</strong></span> 8.3.1.
  43       </p>
  44 <p>
  45         <span class="bold"><strong>Compiler Compatibility:</strong></span> All current compilers
  46         are supported by this trait.
  47       </p>
  48 <p>
  49         <span class="bold"><strong>Header:</strong></span> <code class="computeroutput"> <span class="preprocessor">#include</span>
  50         <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_pointer</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span></code>
  51         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>
  52       </p>
  53 <div class="table">
  54 <a name="boost_typetraits.reference.remove_pointer.examples"></a><p class="title"><b>Table&#160;1.31.&#160;Examples</b></p>
  55 <div class="table-contents"><table class="table" summary="Examples">
  56 <colgroup>
  57 <col>
  58 <col>
  59 </colgroup>
  60 <thead><tr>
  61 <th>
  62                 <p>
  63                   Expression
  64                 </p>
  65               </th>
  66 <th>
  67                 <p>
  68                   Result Type
  69                 </p>
  70               </th>
  71 </tr></thead>
  72 <tbody>
  73 <tr>
  74 <td>
  75                 <p>
  76                   <code class="computeroutput"><span class="identifier">remove_pointer</span><span class="special">&lt;</span><span class="keyword">int</span><span class="special">&gt;::</span><span class="identifier">type</span></code>
  77                 </p>
  78               </td>
  79 <td>
  80                 <p>
  81                   <code class="computeroutput"><span class="keyword">int</span></code>
  82                 </p>
  83               </td>
  84 </tr>
  85 <tr>
  86 <td>
  87                 <p>
  88                   <code class="computeroutput"><span class="identifier">remove_pointer</span><span class="special">&lt;</span><span class="keyword">int</span>
  89                   <span class="keyword">const</span><span class="special">*&gt;::</span><span class="identifier">type</span></code>
  90                 </p>
  91               </td>
  92 <td>
  93                 <p>
  94                   <code class="computeroutput"><span class="keyword">int</span> <span class="keyword">const</span></code>
  95                 </p>
  96               </td>
  97 </tr>
  98 <tr>
  99 <td>
 100                 <p>
 101                   <code class="computeroutput"><span class="identifier">remove_pointer</span><span class="special">&lt;</span><span class="keyword">int</span>
 102                   <span class="keyword">const</span><span class="special">**&gt;::</span><span class="identifier">type</span></code>
 103                 </p>
 104               </td>
 105 <td>
 106                 <p>
 107                   <code class="computeroutput"><span class="keyword">int</span> <span class="keyword">const</span><span class="special">*</span></code>
 108                 </p>
 109               </td>
 110 </tr>
 111 <tr>
 112 <td>
 113                 <p>
 114                   <code class="computeroutput"><span class="identifier">remove_pointer</span><span class="special">&lt;</span><span class="keyword">int</span><span class="special">&amp;&gt;::</span><span class="identifier">type</span></code>
 115                 </p>
 116               </td>
 117 <td>
 118                 <p>
 119                   <code class="computeroutput"><span class="keyword">int</span><span class="special">&amp;</span></code>
 120                 </p>
 121               </td>
 122 </tr>
 123 <tr>
 124 <td>
 125                 <p>
 126                   <code class="computeroutput"><span class="identifier">remove_pointer</span><span class="special">&lt;</span><span class="keyword">int</span><span class="special">*&amp;&gt;::</span><span class="identifier">type</span></code>
 127                 </p>
 128               </td>
 129 <td>
 130                 <p>
 131                   <code class="computeroutput"><span class="keyword">int</span><span class="special">*&amp;</span></code>
 132                 </p>
 133               </td>
 134 </tr>
 135 </tbody>
 136 </table></div>
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