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| <div class="section"> |
| <div class="titlepage"><div><div><h4 class="title"> |
| <a name="fusion.iterator.concepts.random_access_iterator"></a><a class="link" href="random_access_iterator.html" title="Random Access Iterator">Random |
| Access Iterator</a> |
| </h4></div></div></div> |
| <a name="fusion.iterator.concepts.random_access_iterator.description"></a><h6> |
| <a name="id847836"></a> |
| <a class="link" href="random_access_iterator.html#fusion.iterator.concepts.random_access_iterator.description">Description</a> |
| </h6> |
| <p> |
| A Random Access Iterator traverses a <a class="link" href="../../sequence.html" title="Sequence">Sequence</a> |
| moving in either direction, permitting efficient arbitrary distance movements |
| back and forward through the sequence. |
| </p> |
| <div class="variablelist"> |
| <p class="title"><b>Notation</b></p> |
| <dl> |
| <dt><span class="term"><code class="computeroutput"><span class="identifier">i</span></code>, <code class="computeroutput"><span class="identifier">j</span></code></span></dt> |
| <dd><p> |
| Random Access Iterators |
| </p></dd> |
| <dt><span class="term"><code class="computeroutput"><span class="identifier">I</span></code>, <code class="computeroutput"><span class="identifier">J</span></code></span></dt> |
| <dd><p> |
| Random Access Iterator types |
| </p></dd> |
| <dt><span class="term"><code class="computeroutput"><span class="identifier">M</span></code></span></dt> |
| <dd><p> |
| An <a href="http://www.boost.org/libs/mpl/index.html" target="_top">MPL</a> |
| integral constant |
| </p></dd> |
| <dt><span class="term"><code class="computeroutput"><span class="identifier">N</span></code></span></dt> |
| <dd><p> |
| An integral constant |
| </p></dd> |
| </dl> |
| </div> |
| <a name="fusion.iterator.concepts.random_access_iterator.refinement_of"></a><h6> |
| <a name="id847966"></a> |
| <a class="link" href="random_access_iterator.html#fusion.iterator.concepts.random_access_iterator.refinement_of">Refinement |
| of</a> |
| </h6> |
| <p> |
| <a class="link" href="bidirectional_iterator.html" title="Bidirectional Iterator">Bidirectional |
| Iterator</a> |
| </p> |
| <a name="fusion.iterator.concepts.random_access_iterator.expression_requirements"></a><h6> |
| <a name="id847990"></a> |
| <a class="link" href="random_access_iterator.html#fusion.iterator.concepts.random_access_iterator.expression_requirements">Expression |
| requirements</a> |
| </h6> |
| <p> |
| In addition to the requirements defined in <a class="link" href="bidirectional_iterator.html" title="Bidirectional Iterator">Bidirectional |
| Iterator</a>, the following expressions must be valid: |
| </p> |
| <div class="informaltable"><table class="table"> |
| <colgroup> |
| <col> |
| <col> |
| <col> |
| </colgroup> |
| <thead><tr> |
| <th> |
| <p> |
| Expression |
| </p> |
| </th> |
| <th> |
| <p> |
| Return type |
| </p> |
| </th> |
| <th> |
| <p> |
| Runtime Complexity |
| </p> |
| </th> |
| </tr></thead> |
| <tbody> |
| <tr> |
| <td> |
| <p> |
| <code class="computeroutput"><a class="link" href="../functions/next.html" title="next"><code class="computeroutput"><span class="identifier">next</span></code></a><span class="special">(</span><span class="identifier">i</span><span class="special">)</span></code> |
| </p> |
| </td> |
| <td> |
| <p> |
| <a class="link" href="random_access_iterator.html" title="Random Access Iterator">Random |
| Access Iterator</a> |
| </p> |
| </td> |
| <td> |
| <p> |
| Constant |
| </p> |
| </td> |
| </tr> |
| <tr> |
| <td> |
| <p> |
| <code class="computeroutput"><a class="link" href="../functions/prior.html" title="prior"><code class="computeroutput"><span class="identifier">prior</span></code></a><span class="special">(</span><span class="identifier">i</span><span class="special">)</span></code> |
| </p> |
| </td> |
| <td> |
| <p> |
| <a class="link" href="random_access_iterator.html" title="Random Access Iterator">Random |
| Access Iterator</a> |
| </p> |
| </td> |
| <td> |
| <p> |
| Constant |
| </p> |
| </td> |
| </tr> |
| <tr> |
| <td> |
| <p> |
| <code class="computeroutput"><a class="link" href="../functions/advance_c.html" title="advance_c"><code class="computeroutput"><span class="identifier">advance_c</span></code></a><span class="special"><</span><span class="identifier">N</span><span class="special">>(</span><span class="identifier">i</span><span class="special">)</span></code> |
| </p> |
| </td> |
| <td> |
| <p> |
| <a class="link" href="random_access_iterator.html" title="Random Access Iterator">Random |
| Access Iterator</a> |
| </p> |
| </td> |
| <td> |
| <p> |
| Constant |
| </p> |
| </td> |
| </tr> |
| <tr> |
| <td> |
| <p> |
| <code class="computeroutput"><a class="link" href="../functions/advance.html" title="advance"><code class="computeroutput"><span class="identifier">advance</span></code></a><span class="special"><</span><span class="identifier">M</span><span class="special">>(</span><span class="identifier">i</span><span class="special">)</span></code> |
| </p> |
| </td> |
| <td> |
| <p> |
| <a class="link" href="random_access_iterator.html" title="Random Access Iterator">Random |
| Access Iterator</a> |
| </p> |
| </td> |
| <td> |
| <p> |
| Constant |
| </p> |
| </td> |
| </tr> |
| </tbody> |
| </table></div> |
| <a name="fusion.iterator.concepts.random_access_iterator.meta_expressions"></a><h6> |
| <a name="id848281"></a> |
| <a class="link" href="random_access_iterator.html#fusion.iterator.concepts.random_access_iterator.meta_expressions">Meta |
| Expressions</a> |
| </h6> |
| <div class="informaltable"><table class="table"> |
| <colgroup> |
| <col> |
| <col> |
| </colgroup> |
| <thead><tr> |
| <th> |
| <p> |
| Expression |
| </p> |
| </th> |
| <th> |
| <p> |
| Compile Time Complexity |
| </p> |
| </th> |
| </tr></thead> |
| <tbody> |
| <tr> |
| <td> |
| <p> |
| <code class="computeroutput"><a class="link" href="../metafunctions/advance_c.html" title="advance_c"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">advance_c</span></code></a><span class="special"><</span><span class="identifier">I</span><span class="special">,</span> |
| <span class="identifier">N</span><span class="special">>::</span><span class="identifier">type</span></code> |
| </p> |
| </td> |
| <td> |
| <p> |
| Amortized constant time |
| </p> |
| </td> |
| </tr> |
| <tr> |
| <td> |
| <p> |
| <code class="computeroutput"><a class="link" href="../metafunctions/advance.html" title="advance"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">advance</span></code></a><span class="special"><</span><span class="identifier">I</span><span class="special">,</span> |
| <span class="identifier">M</span><span class="special">>::</span><span class="identifier">type</span></code> |
| </p> |
| </td> |
| <td> |
| <p> |
| Amortized constant time |
| </p> |
| </td> |
| </tr> |
| <tr> |
| <td> |
| <p> |
| <code class="computeroutput"><a class="link" href="../metafunctions/distance.html" title="distance"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">distance</span></code></a><span class="special"><</span><span class="identifier">I</span> <span class="special">,</span><span class="identifier">J</span><span class="special">>::</span><span class="identifier">type</span></code> |
| </p> |
| </td> |
| <td> |
| <p> |
| Amortized constant time |
| </p> |
| </td> |
| </tr> |
| </tbody> |
| </table></div> |
| <a name="fusion.iterator.concepts.random_access_iterator.models"></a><h6> |
| <a name="id848514"></a> |
| <a class="link" href="random_access_iterator.html#fusion.iterator.concepts.random_access_iterator.models">Models</a> |
| </h6> |
| <div class="itemizedlist"><ul class="itemizedlist" type="disc"> |
| <li class="listitem"> |
| <a class="link" href="../../container/vector.html" title="vector"><code class="computeroutput"><span class="identifier">vector</span></code></a> |
| iterator |
| </li> |
| <li class="listitem"> |
| <a class="link" href="../../adapted/std__pair.html" title="std::pair"><code class="computeroutput"><span class="identifier">std</span><span class="special">::</span><span class="identifier">pair</span></code></a> |
| iterator |
| </li> |
| <li class="listitem"> |
| <a class="link" href="../../adapted/boost__array.html" title="boost::array"><code class="computeroutput"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">array</span></code></a> |
| iterator |
| </li> |
| <li class="listitem"> |
| <a class="link" href="../../view/iterator_range.html" title="iterator_range"><code class="computeroutput"><span class="identifier">iterator_range</span></code></a> |
| iterator (where adapted sequence is a <a class="link" href="../../sequence/concepts/random_access_sequence.html" title="Random Access Sequence">Random |
| Access Sequence</a>) |
| </li> |
| <li class="listitem"> |
| <a class="link" href="../../view/transform_view.html" title="transform_view"><code class="computeroutput"><span class="identifier">transform_view</span></code></a> |
| iterator (where adapted sequence is a <a class="link" href="../../sequence/concepts/random_access_sequence.html" title="Random Access Sequence">Random |
| Access Sequence</a>) |
| </li> |
| <li class="listitem"> |
| <a class="link" href="../../view/reverse_view.html" title="reverse_view"><code class="computeroutput"><span class="identifier">reverse_view</span></code></a> |
| iterator (where adapted sequence is a <a class="link" href="../../sequence/concepts/random_access_sequence.html" title="Random Access Sequence">Random |
| Access Sequence</a>) |
| </li> |
| </ul></div> |
| </div> |
| <table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> |
| <td align="left"></td> |
| <td align="right"><div class="copyright-footer">Copyright © 2001-2007 Joel de Guzman, Dan Marsden, Tobias |
| Schwinger<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>) |
| </p> |
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