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<div class="section">
<div class="titlepage"><div><div><h3 class="title">
<a name="boost_icl.function_reference.iterator_related"></a><a class="link" href="iterator_related.html" title="Iterator related">Iterator
      related</a>
</h3></div></div></div>
<div class="informaltable"><table class="table">
<colgroup>
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<col>
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<thead><tr>
<th>
                <p>
                  <span class="emphasis"><em><span class="bold"><strong>Synopsis Complexities</strong></span></em></span>
                </p>
              </th>
<th>
                <p>
                  interval<br> sets
                </p>
              </th>
<th>
                <p>
                  interval<br> maps
                </p>
              </th>
<th>
                <p>
                  element<br> sets
                </p>
              </th>
<th>
                <p>
                  element<br> maps
                </p>
              </th>
</tr></thead>
<tbody>
<tr>
<td>
                <p>
                  <code class="computeroutput"><span class="identifier">J</span> <span class="identifier">T</span><span class="special">::</span><span class="identifier">begin</span><span class="special">()</span></code>
                </p>
              </td>
<td>
                <p>
                  <span class="emphasis"><em>O(1)</em></span>
                </p>
              </td>
<td>
                <p>
                  <span class="emphasis"><em>O(1)</em></span>
                </p>
              </td>
<td>
                <p>
                  <span class="emphasis"><em>O(1)</em></span>
                </p>
              </td>
<td>
                <p>
                  <span class="emphasis"><em>O(1)</em></span>
                </p>
              </td>
</tr>
<tr>
<td>
                <p>
                  <code class="computeroutput"><span class="identifier">J</span> <span class="identifier">T</span><span class="special">::</span><span class="identifier">end</span><span class="special">()</span></code>
                </p>
              </td>
<td>
                <p>
                  <span class="emphasis"><em>O(1)</em></span>
                </p>
              </td>
<td>
                <p>
                  <span class="emphasis"><em>O(1)</em></span>
                </p>
              </td>
<td>
                <p>
                  <span class="emphasis"><em>O(1)</em></span>
                </p>
              </td>
<td>
                <p>
                  <span class="emphasis"><em>O(1)</em></span>
                </p>
              </td>
</tr>
<tr>
<td>
                <p>
                  <code class="computeroutput"><span class="identifier">J</span> <span class="identifier">T</span><span class="special">::</span><span class="identifier">rbegin</span><span class="special">()</span></code>
                </p>
              </td>
<td>
                <p>
                  <span class="emphasis"><em>O(1)</em></span>
                </p>
              </td>
<td>
                <p>
                  <span class="emphasis"><em>O(1)</em></span>
                </p>
              </td>
<td>
                <p>
                  <span class="emphasis"><em>O(1)</em></span>
                </p>
              </td>
<td>
                <p>
                  <span class="emphasis"><em>O(1)</em></span>
                </p>
              </td>
</tr>
<tr>
<td>
                <p>
                  <code class="computeroutput"><span class="identifier">J</span> <span class="identifier">T</span><span class="special">::</span><span class="identifier">rend</span><span class="special">()</span></code>
                </p>
              </td>
<td>
                <p>
                  <span class="emphasis"><em>O(1)</em></span>
                </p>
              </td>
<td>
                <p>
                  <span class="emphasis"><em>O(1)</em></span>
                </p>
              </td>
<td>
                <p>
                  <span class="emphasis"><em>O(1)</em></span>
                </p>
              </td>
<td>
                <p>
                  <span class="emphasis"><em>O(1)</em></span>
                </p>
              </td>
</tr>
<tr>
<td>
                <p>
                  <code class="computeroutput"><span class="identifier">J</span> <span class="identifier">T</span><span class="special">::</span><span class="identifier">lower_bound</span><span class="special">(</span><span class="keyword">const</span>
                  <span class="identifier">key_type</span><span class="special">&amp;)</span></code>
                </p>
              </td>
<td>
                <p>
                  <span class="emphasis"><em>O(log n)</em></span>
                </p>
              </td>
<td>
                <p>
                  <span class="emphasis"><em>O(log n)</em></span>
                </p>
              </td>
<td>
                <p>
                  <span class="emphasis"><em>O(log n)</em></span>
                </p>
              </td>
<td>
                <p>
                  <span class="emphasis"><em>O(log n)</em></span>
                </p>
              </td>
</tr>
<tr>
<td>
                <p>
                  <code class="computeroutput"><span class="identifier">J</span> <span class="identifier">T</span><span class="special">::</span><span class="identifier">upper_bound</span><span class="special">(</span><span class="keyword">const</span>
                  <span class="identifier">key_type</span><span class="special">&amp;)</span></code>
                </p>
              </td>
<td>
                <p>
                  <span class="emphasis"><em>O(log n)</em></span>
                </p>
              </td>
<td>
                <p>
                  <span class="emphasis"><em>O(log n)</em></span>
                </p>
              </td>
<td>
                <p>
                  <span class="emphasis"><em>O(log n)</em></span>
                </p>
              </td>
<td>
                <p>
                  <span class="emphasis"><em>O(log n)</em></span>
                </p>
              </td>
</tr>
<tr>
<td>
                <p>
                  <code class="computeroutput"><span class="identifier">pair</span><span class="special">&lt;</span><span class="identifier">J</span><span class="special">,</span><span class="identifier">J</span><span class="special">&gt;</span>
                  <span class="identifier">T</span><span class="special">::</span><span class="identifier">equal_range</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">key_type</span><span class="special">&amp;)</span></code>
                </p>
              </td>
<td>
                <p>
                  <span class="emphasis"><em>O(log n)</em></span>
                </p>
              </td>
<td>
                <p>
                  <span class="emphasis"><em>O(log n)</em></span>
                </p>
              </td>
<td>
                <p>
                  <span class="emphasis"><em>O(log n)</em></span>
                </p>
              </td>
<td>
                <p>
                  <span class="emphasis"><em>O(log n)</em></span>
                </p>
              </td>
</tr>
</tbody>
</table></div>
<div class="informaltable"><table class="table">
<colgroup>
<col>
<col>
</colgroup>
<thead><tr>
<th>
                <p>
                  <span class="emphasis"><em><span class="bold"><strong>Iterator related</strong></span></em></span>
                </p>
              </th>
<th>
              </th>
</tr></thead>
<tbody>
<tr>
<td>
                <p>
</p>
<pre xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="table-programlisting">      <span class="identifier">iterator</span> <span class="identifier">T</span><span class="special">::</span><span class="identifier">begin</span><span class="special">()</span>
<span class="identifier">const_iterator</span> <span class="identifier">T</span><span class="special">::</span><span class="identifier">begin</span><span class="special">()</span><span class="keyword">const</span></pre>
<p>
                </p>
              </td>
<td>
                <p>
                  Returns an iterator to the first value of the container.
                </p>
              </td>
</tr>
<tr>
<td>
                <p>
</p>
<pre xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="table-programlisting">      <span class="identifier">iterator</span> <span class="identifier">T</span><span class="special">::</span><span class="identifier">end</span><span class="special">()</span>
<span class="identifier">const_iterator</span> <span class="identifier">T</span><span class="special">::</span><span class="identifier">end</span><span class="special">()</span><span class="keyword">const</span></pre>
<p>
                </p>
              </td>
<td>
                <p>
                  Returns an iterator to a position <code class="computeroutput"><span class="identifier">end</span><span class="special">()</span></code> after the last value of the container.
                </p>
              </td>
</tr>
<tr>
<td>
                <p>
</p>
<pre xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="table-programlisting">      <span class="identifier">reverse_iterator</span> <span class="identifier">T</span><span class="special">::</span><span class="identifier">rbegin</span><span class="special">()</span>
<span class="identifier">const_reverse_iterator</span> <span class="identifier">T</span><span class="special">::</span><span class="identifier">rbegin</span><span class="special">()</span><span class="keyword">const</span></pre>
<p>
                </p>
              </td>
<td>
                <p>
                  Returns a reverse iterator to the last value of the container.
                </p>
              </td>
</tr>
<tr>
<td>
                <p>
</p>
<pre xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="table-programlisting">      <span class="identifier">reverse_iterator</span> <span class="identifier">T</span><span class="special">::</span><span class="identifier">rend</span><span class="special">()</span>
<span class="identifier">const_reverse_iterator</span> <span class="identifier">T</span><span class="special">::</span><span class="identifier">rend</span><span class="special">()</span><span class="keyword">const</span></pre>
<p>
                </p>
              </td>
<td>
                <p>
                  Returns a reverse iterator to a position <code class="computeroutput"><span class="identifier">rend</span><span class="special">()</span></code> before the first value of the
                  container.
                </p>
              </td>
</tr>
<tr>
<td>
                <p>
</p>
<pre xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="table-programlisting">      <span class="identifier">iterator</span> <span class="identifier">T</span><span class="special">::</span><span class="identifier">lower_bound</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">key_type</span><span class="special">&amp;</span> <span class="identifier">k</span><span class="special">)</span>
<span class="identifier">const_iterator</span> <span class="identifier">T</span><span class="special">::</span><span class="identifier">lower_bound</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">key_type</span><span class="special">&amp;</span> <span class="identifier">key</span><span class="special">)</span><span class="keyword">const</span></pre>
<p>
                </p>
              </td>
<td>
                <p>
                  Returns an iterator that points to the first element <code class="computeroutput"><span class="identifier">first</span></code>, that does not compare
                  less than <code class="computeroutput"><span class="identifier">key_type</span> <span class="identifier">key</span></code>. <code class="computeroutput"><span class="identifier">first</span></code>
                  can be equal or greater than <code class="computeroutput"><span class="identifier">key</span></code>,
                  or it may overlap <code class="computeroutput"><span class="identifier">key</span></code>
                  for interval containers.
                </p>
              </td>
</tr>
<tr>
<td>
                <p>
</p>
<pre xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="table-programlisting">      <span class="identifier">iterator</span> <span class="identifier">T</span><span class="special">::</span><span class="identifier">upper_bound</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">key_type</span><span class="special">&amp;)</span>
<span class="identifier">const_iterator</span> <span class="identifier">T</span><span class="special">::</span><span class="identifier">upper_bound</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">key_type</span><span class="special">&amp;)</span><span class="keyword">const</span></pre>
<p>
                </p>
              </td>
<td>
                <p>
                  Returns an iterator that points to the first element <code class="computeroutput"><span class="identifier">past</span></code>, that compares greater than
                  <code class="computeroutput"><span class="identifier">key_type</span> <span class="identifier">key</span></code>.
                </p>
              </td>
</tr>
<tr>
<td>
                <p>
</p>
<pre xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="table-programlisting">            <span class="identifier">pair</span><span class="special">&lt;</span><span class="identifier">iterator</span><span class="special">,</span><span class="identifier">iterator</span><span class="special">&gt;</span> <span class="identifier">T</span><span class="special">::</span><span class="identifier">equal_range</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">key_type</span><span class="special">&amp;</span> <span class="identifier">key</span><span class="special">)</span>
<span class="identifier">pair</span><span class="special">&lt;</span><span class="identifier">const_iterator</span><span class="special">,</span><span class="identifier">const_iterator</span><span class="special">&gt;</span> <span class="identifier">T</span><span class="special">::</span><span class="identifier">equal_range</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">key_type</span><span class="special">&amp;</span> <span class="identifier">key</span><span class="special">)</span><span class="keyword">const</span>
</pre>
<p>
                </p>
              </td>
<td>
                <p>
                  Returns a range <code class="computeroutput"><span class="special">[</span><span class="identifier">first</span><span class="special">,</span>
                  <span class="identifier">past</span><span class="special">)</span></code>
                  of iterators to all elements of the container that compare neither
                  less than nor greater than <code class="computeroutput"><span class="identifier">key_type</span>
                  <span class="identifier">key</span></code>. For element containers
                  <a href="http://www.cplusplus.com/reference/stl/set/" target="_top"><code class="computeroutput"><span class="identifier">std</span><span class="special">::</span><span class="identifier">set</span></code> </a> and <code class="computeroutput"><a class="link" href="../../boost/icl/map.html" title="Class template map">icl::map</a></code>,
                  <code class="computeroutput"><span class="identifier">equal_range</span></code> contains
                  at most one iterator pointing the element equal to <code class="computeroutput"><span class="identifier">key</span></code>, if it exists.
                </p>
                <p>
                  For interval containers <code class="computeroutput"><span class="identifier">equal_range</span></code>
                  contains iterators to all intervals that overlap interval <code class="computeroutput"><span class="identifier">key</span></code>.
                </p>
              </td>
</tr>
</tbody>
</table></div>
<p>
        <span class="emphasis"><em><span class="bold"><strong>See also . . .</strong></span></em></span>
      </p>
<div class="informaltable"><table class="table">
<colgroup><col></colgroup>
<thead><tr></tr></thead>
<tbody><tr><td>
                <p>
                  <a class="link" href="element_iteration.html" title="Element iteration"><span class="emphasis"><em><span class="bold"><strong>Element iteration</strong></span></em></span></a>
                </p>
              </td></tr></tbody>
</table></div>
<p>
        <span class="emphasis"><em><span class="bold"><strong>Back to section . . .</strong></span></em></span>
      </p>
<div class="informaltable"><table class="table">
<colgroup><col></colgroup>
<thead><tr></tr></thead>
<tbody>
<tr><td>
                <p>
                  <a class="link" href="../interface/function_synopsis.html#function_synopsis_table"><span class="emphasis"><em><span class="bold"><strong>Function
                  Synopsis</strong></span></em></span></a>
                </p>
              </td></tr>
<tr><td>
                <p>
                  <a class="link" href="../interface.html" title="Interface"><span class="emphasis"><em><span class="bold"><strong>Interface</strong></span></em></span></a>
                </p>
              </td></tr>
</tbody>
</table></div>
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<td align="left"></td>
<td align="right"><div class="copyright-footer">Copyright &#169; 2007-2010 Joachim
      Faulhaber<br>Copyright &#169; 1999-2006 Cortex Software
      GmbH<p>
        Distributed under the Boost Software License, Version 1.0. (See accompanying
        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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