ceph/src/boost/libs/mpl/doc/refmanual/vector.html

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  14 <div class="section" id="vector">
  15 <h1><a class="toc-backref" href="./classes.html#id1406">vector</a></h1>
  16 <div class="section" id="id51">
  17 <h3><a class="subsection-title" href="#description" name="description">Description</a></h3>
  18 <p><tt class="literal"><span class="pre"><a href="./vector.html" class="identifier">vector</a></span></tt> is a <a class="reference internal" href="./variadic-sequence.html">variadic</a>, <a class="reference internal" href="./random-access-sequence.html">random access</a>, <a class="reference internal" href="./extensible-sequence.html">extensible</a> sequence of types that
  19 supports constant-time insertion and removal of elements at both ends, and
  20 linear-time insertion and removal of elements in the middle. On compilers that
  21 support the <tt class="literal"><span class="pre">typeof</span></tt> extension, <tt class="literal"><span class="pre"><a href="./vector.html" class="identifier">vector</a></span></tt> is the simplest and in many cases the
  22 most efficient sequence.</p>
  23 </div>
  24 <div class="section" id="header">
  25 <h3>Header</h3>
  26 <table border="1" class="docutils table">
  27 <colgroup>
  28 <col width="26%" />
  29 <col width="74%" />
  30 </colgroup>
  31 <thead valign="bottom">
  32 <tr><th class="head">Sequence form</th>
  33 <th class="head">Header</th>
  34 </tr>
  35 </thead>
  36 <tbody valign="top">
  37 <tr><td>Variadic</td>
  38 <td><tt class="literal"><span class="pre">#include &lt;<a href="../../../../boost/mpl/vector.hpp" class="header">boost/mpl/vector.hpp</a>&gt;</span></tt></td>
  39 </tr>
  40 <tr><td>Numbered</td>
  41 <td><tt class="literal"><span class="pre">#include &lt;boost/mpl/vector/vector</span></tt><em>n</em><tt class="literal"><span class="pre">.hpp&gt;</span></tt></td>
  42 </tr>
  43 </tbody>
  44 </table>
  45 </div>
  46 <div class="section" id="model-of">
  47 <h3>Model of</h3>
  48 <ul class="simple">
  49 <li><a class="reference internal" href="./variadic-sequence.html">Variadic Sequence</a></li>
  50 <li><a class="reference internal" href="./random-access-sequence.html">Random Access Sequence</a></li>
  51 <li><a class="reference internal" href="./extensible-sequence.html">Extensible Sequence</a></li>
  52 <li><a class="reference internal" href="./back-extensible-sequence.html">Back Extensible Sequence</a></li>
  53 <li><a class="reference internal" href="./front-extensible-sequence.html">Front Extensible Sequence</a></li>
  54 </ul>
  55 </div>
  56 <div class="section" id="id54">
  57 <h3><a class="subsection-title" href="#expression-semantics" name="expression-semantics">Expression semantics</a></h3>
  58 <p>In the following table, <tt class="literal"><span class="pre">v</span></tt> is an instance of <tt class="literal"><span class="pre"><a href="./vector.html" class="identifier">vector</a></span></tt>, <tt class="literal"><span class="pre">pos</span></tt> and <tt class="literal"><span class="pre">last</span></tt> are iterators
  59 into <tt class="literal"><span class="pre">v</span></tt>, <tt class="literal"><span class="pre">r</span></tt> is a <a class="reference internal" href="./forward-sequence.html">Forward Sequence</a>, <tt class="literal"><span class="pre">n</span></tt> is an <a class="reference internal" href="./integral-constant.html">Integral Constant</a>, and <tt class="literal"><span class="pre">x</span></tt> and
  60 <em>t</em><sub>1</sub>,<em>t</em><sub>2</sub>,... <em>t</em><sub>n</sub> are arbitrary types.</p>
  61 <table border="1" class="docutils table">
  62 <colgroup>
  63 <col width="40%" />
  64 <col width="60%" />
  65 </colgroup>
  66 <thead valign="bottom">
  67 <tr><th class="head">Expression</th>
  68 <th class="head">Semantics</th>
  69 </tr>
  70 </thead>
  71 <tbody valign="top">
  72 <tr><td><pre class="first last literal-block">
  73 <a href="./vector.html" class="identifier">vector</a>&lt;<em>t</em><sub>1</sub>,<em>t</em><sub>2</sub>,... <em>t</em><sub>n</sub>&gt;
  74 <a href="./vector.html" class="identifier">vector</a><em>n</em>&lt;<em>t</em><sub>1</sub>,<em>t</em><sub>2</sub>,... <em>t</em><sub>n</sub>&gt;
  75 </pre>
  76 </td>
  77 <td><tt class="literal"><span class="pre"><a href="./vector.html" class="identifier">vector</a></span></tt> of elements <em>t</em><sub>1</sub>,<em>t</em><sub>2</sub>,... <em>t</em><sub>n</sub>; see
  78 <a class="reference internal" href="./variadic-sequence.html">Variadic Sequence</a>.</td>
  79 </tr>
  80 <tr><td><pre class="first last literal-block">
  81 <a href="./vector.html" class="identifier">vector</a>&lt;<em>t</em><sub>1</sub>,<em>t</em><sub>2</sub>,... <em>t</em><sub>n</sub>&gt;::type
  82 <a href="./vector.html" class="identifier">vector</a><em>n</em>&lt;<em>t</em><sub>1</sub>,<em>t</em><sub>2</sub>,... <em>t</em><sub>n</sub>&gt;::type
  83 </pre>
  84 </td>
  85 <td>Identical to <tt class="literal"><span class="pre"><a href="./vector.html" class="identifier">vector</a></span></tt><em>n</em><tt class="literal"><span class="pre">&lt;</span></tt><em>t</em><sub>1</sub>,<em>t</em><sub>2</sub>,... <em>t</em><sub>n</sub><tt class="literal"><span class="pre">&gt;</span></tt>;
  86 see <a class="reference internal" href="./variadic-sequence.html">Variadic Sequence</a>.</td>
  87 </tr>
  88 <tr><td><tt class="literal"><span class="pre"><a href="./begin.html" class="identifier">begin</a>&lt;v&gt;::type</span></tt></td>
  89 <td>An iterator pointing to the beginning of <tt class="literal"><span class="pre">v</span></tt>;
  90 see <a class="reference internal" href="./random-access-sequence.html">Random Access Sequence</a>.</td>
  91 </tr>
  92 <tr><td><tt class="literal"><span class="pre"><a href="./end.html" class="identifier">end</a>&lt;v&gt;::type</span></tt></td>
  93 <td>An iterator pointing to the end of <tt class="literal"><span class="pre">v</span></tt>;
  94 see <a class="reference internal" href="./random-access-sequence.html">Random Access Sequence</a>.</td>
  95 </tr>
  96 <tr><td><tt class="literal"><span class="pre"><a href="./size.html" class="identifier">size</a>&lt;v&gt;::type</span></tt></td>
  97 <td>The size of <tt class="literal"><span class="pre">v</span></tt>; see <a class="reference internal" href="./random-access-sequence.html">Random Access Sequence</a>.</td>
  98 </tr>
  99 <tr><td><tt class="literal"><span class="pre"><a href="./empty.html" class="identifier">empty</a>&lt;v&gt;::type</span></tt></td>
 100 <td>A boolean <a class="reference internal" href="./integral-constant.html">Integral Constant</a> <tt class="literal"><span class="pre">c</span></tt> such that
 101 <tt class="literal"><span class="pre">c::value</span> <span class="pre">==</span> <span class="pre">true</span></tt> if and only if the sequence is empty;
 102 see <a class="reference internal" href="./random-access-sequence.html">Random Access Sequence</a>.</td>
 103 </tr>
 104 <tr><td><tt class="literal"><span class="pre"><a href="./front.html" class="identifier">front</a>&lt;v&gt;::type</span></tt></td>
 105 <td>The first element in <tt class="literal"><span class="pre">v</span></tt>; see
 106 <a class="reference internal" href="./random-access-sequence.html">Random Access Sequence</a>.</td>
 107 </tr>
 108 <tr><td><tt class="literal"><span class="pre"><a href="./back.html" class="identifier">back</a>&lt;v&gt;::type</span></tt></td>
 109 <td>The last element in <tt class="literal"><span class="pre">v</span></tt>; see
 110 <a class="reference internal" href="./random-access-sequence.html">Random Access Sequence</a>.</td>
 111 </tr>
 112 <tr><td><tt class="literal"><span class="pre"><a href="./at.html" class="identifier">at</a>&lt;v,n&gt;::type</span></tt></td>
 113 <td>The <tt class="literal"><span class="pre">n</span></tt>th element from the beginning of <tt class="literal"><span class="pre">v</span></tt>; see
 114 <a class="reference internal" href="./random-access-sequence.html">Random Access Sequence</a>.</td>
 115 </tr>
 116 <tr><td><tt class="literal"><span class="pre"><a href="./insert.html" class="identifier">insert</a>&lt;v,pos,x&gt;::type</span></tt></td>
 117 <td>A new <tt class="literal"><span class="pre"><a href="./vector.html" class="identifier">vector</a></span></tt> of following elements:
 118 [<tt class="literal"><span class="pre"><a href="./begin.html" class="identifier">begin</a>&lt;v&gt;::type</span></tt>, <tt class="literal"><span class="pre">pos</span></tt>), <tt class="literal"><span class="pre">x</span></tt>,
 119 [<tt class="literal"><span class="pre">pos</span></tt>, <tt class="literal"><span class="pre"><a href="./end.html" class="identifier">end</a>&lt;v&gt;::type</span></tt>); see <a class="reference internal" href="./extensible-sequence.html">Extensible Sequence</a>.</td>
 120 </tr>
 121 <tr><td><tt class="literal"><span class="pre"><a href="./insert-range.html" class="identifier">insert_range</a>&lt;v,pos,r&gt;::type</span></tt></td>
 122 <td>A new <tt class="literal"><span class="pre"><a href="./vector.html" class="identifier">vector</a></span></tt> of following elements:
 123 [<tt class="literal"><span class="pre"><a href="./begin.html" class="identifier">begin</a>&lt;v&gt;::type</span></tt>, <tt class="literal"><span class="pre">pos</span></tt>),
 124 [<tt class="literal"><span class="pre"><a href="./begin.html" class="identifier">begin</a>&lt;r&gt;::type</span></tt>, <tt class="literal"><span class="pre"><a href="./end.html" class="identifier">end</a>&lt;r&gt;::type</span></tt>)
 125 [<tt class="literal"><span class="pre">pos</span></tt>, <tt class="literal"><span class="pre"><a href="./end.html" class="identifier">end</a>&lt;v&gt;::type</span></tt>); see <a class="reference internal" href="./extensible-sequence.html">Extensible Sequence</a>.</td>
 126 </tr>
 127 <tr><td><tt class="literal"><span class="pre"><a href="./erase.html" class="identifier">erase</a>&lt;v,pos&gt;::type</span></tt></td>
 128 <td>A new <tt class="literal"><span class="pre"><a href="./vector.html" class="identifier">vector</a></span></tt> of following elements:
 129 [<tt class="literal"><span class="pre"><a href="./begin.html" class="identifier">begin</a>&lt;v&gt;::type</span></tt>, <tt class="literal"><span class="pre">pos</span></tt>),
 130 [<tt class="literal"><span class="pre"><a href="./next.html" class="identifier">next</a>&lt;pos&gt;::type</span></tt>, <tt class="literal"><span class="pre"><a href="./end.html" class="identifier">end</a>&lt;v&gt;::type</span></tt>); see
 131 <a class="reference internal" href="./extensible-sequence.html">Extensible Sequence</a>.</td>
 132 </tr>
 133 <tr><td><tt class="literal"><span class="pre"><a href="./erase.html" class="identifier">erase</a>&lt;v,pos,last&gt;::type</span></tt></td>
 134 <td>A new <tt class="literal"><span class="pre"><a href="./vector.html" class="identifier">vector</a></span></tt> of following elements:
 135 [<tt class="literal"><span class="pre"><a href="./begin.html" class="identifier">begin</a>&lt;v&gt;::type</span></tt>, <tt class="literal"><span class="pre">pos</span></tt>),
 136 [<tt class="literal"><span class="pre">last</span></tt>, <tt class="literal"><span class="pre"><a href="./end.html" class="identifier">end</a>&lt;v&gt;::type</span></tt>); see <a class="reference internal" href="./extensible-sequence.html">Extensible Sequence</a>.</td>
 137 </tr>
 138 <tr><td><tt class="literal"><span class="pre"><a href="./clear.html" class="identifier">clear</a>&lt;v&gt;::type</span></tt></td>
 139 <td>An empty <tt class="literal"><span class="pre"><a href="./vector.html" class="identifier">vector</a></span></tt>; see <a class="reference internal" href="./extensible-sequence.html">Extensible Sequence</a>.</td>
 140 </tr>
 141 <tr><td><tt class="literal"><span class="pre"><a href="./push-back.html" class="identifier">push_back</a>&lt;v,x&gt;::type</span></tt></td>
 142 <td>A new <tt class="literal"><span class="pre"><a href="./vector.html" class="identifier">vector</a></span></tt> of following elements:
 143 [<tt class="literal"><span class="pre"><a href="./begin.html" class="identifier">begin</a>&lt;v&gt;::type</span></tt>, <tt class="literal"><span class="pre"><a href="./end.html" class="identifier">end</a>&lt;v&gt;::type</span></tt>), <tt class="literal"><span class="pre">x</span></tt>;
 144 see <a class="reference internal" href="./back-extensible-sequence.html">Back Extensible Sequence</a>.</td>
 145 </tr>
 146 <tr><td><tt class="literal"><span class="pre"><a href="./pop-back.html" class="identifier">pop_back</a>&lt;v&gt;::type</span></tt></td>
 147 <td>A new <tt class="literal"><span class="pre"><a href="./vector.html" class="identifier">vector</a></span></tt> of following elements:
 148 [<tt class="literal"><span class="pre"><a href="./begin.html" class="identifier">begin</a>&lt;v&gt;::type</span></tt>, <tt class="literal"><span class="pre"><a href="./prior.html" class="identifier">prior</a>&lt;</span> <span class="pre"><a href="./end.html" class="identifier">end</a>&lt;v&gt;::type</span> <span class="pre">&gt;::type</span></tt>);
 149 see <a class="reference internal" href="./back-extensible-sequence.html">Back Extensible Sequence</a>.</td>
 150 </tr>
 151 <tr><td><tt class="literal"><span class="pre"><a href="./push-front.html" class="identifier">push_front</a>&lt;v,x&gt;::type</span></tt></td>
 152 <td>A new <tt class="literal"><span class="pre"><a href="./vector.html" class="identifier">vector</a></span></tt> of following elements:
 153 <tt class="literal"><span class="pre">x</span></tt>, [<tt class="literal"><span class="pre"><a href="./begin.html" class="identifier">begin</a>&lt;v&gt;::type</span></tt>, <tt class="literal"><span class="pre"><a href="./end.html" class="identifier">end</a>&lt;v&gt;::type</span></tt>); see <a class="reference internal" href="./front-extensible-sequence.html">Front Extensible Sequence</a>.</td>
 154 </tr>
 155 <tr><td><tt class="literal"><span class="pre"><a href="./pop-front.html" class="identifier">pop_front</a>&lt;v&gt;::type</span></tt></td>
 156 <td>A new <tt class="literal"><span class="pre"><a href="./vector.html" class="identifier">vector</a></span></tt> of following elements:
 157 [<tt class="literal"><span class="pre"><a href="./next.html" class="identifier">next</a>&lt;</span> <span class="pre"><a href="./begin.html" class="identifier">begin</a>&lt;v&gt;::type</span> <span class="pre">&gt;::type</span></tt>, <tt class="literal"><span class="pre"><a href="./end.html" class="identifier">end</a>&lt;v&gt;::type</span></tt>);
 158 see <a class="reference internal" href="./front-extensible-sequence.html">Front Extensible Sequence</a>.</td>
 159 </tr>
 160 </tbody>
 161 </table>
 162 </div>
 163 <div class="section" id="example">
 164 <h3>Example</h3>
 165 <pre class="literal-block">
 166 typedef <a href="./vector.html" class="identifier">vector</a>&lt;float,double,long double&gt; floats;
 167 typedef <a href="./push-back.html" class="identifier">push_back</a>&lt;floats,int&gt;::type types;
 168
 169 <a href="./assert.html" class="identifier">BOOST_MPL_ASSERT</a>(( is_same&lt; <a href="./at-c.html" class="identifier">at_c</a>&lt;types,3&gt;::type, int > ));
 170 </pre>
 171 </div>
 172 <div class="section" id="id55">
 173 <h3><a class="subsection-title" href="#see-also" name="see-also">See also</a></h3>
 174 <p><a class="reference internal" href="./sequences.html">Sequences</a>, <a class="reference internal" href="./variadic-sequence.html">Variadic Sequence</a>, <a class="reference internal" href="./random-access-sequence.html">Random Access Sequence</a>, <a class="reference internal" href="./extensible-sequence.html">Extensible Sequence</a>, <a class="reference internal" href="./vector-c.html">vector_c</a>, <a class="reference internal" href="./list.html">list</a></p>
 175 <!-- Sequences/Classes//list |20 -->
 176 </div>
 177 </div>
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 181 <td><div class="copyright-footer"><div class="copyright">Copyright ©  2001-2009 Aleksey Gurtovoy and David Abrahams</div>
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