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| <div class="titlepage"><div><div><h4 class="title"> |
| <a name="fusion.tuple.class_template_tuple.element_access"></a><a class="link" href="element_access.html" title="Element access">Element |
| access</a> |
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| <a name="fusion.tuple.class_template_tuple.element_access.description"></a><h6> |
| <a name="id1056658"></a> |
| <a class="link" href="element_access.html#fusion.tuple.class_template_tuple.element_access.description">Description</a> |
| </h6> |
| <p> |
| The <a href="http://std.dkuug.dk/jtc1/sc22/wg21/docs/papers/2002/n1403.pdf" target="_top">TR1 |
| Tuple</a> provides the <code class="computeroutput"><span class="identifier">get</span></code> |
| function to provide access to it's elements by zero based numeric index. |
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| <a name="fusion.tuple.class_template_tuple.element_access.specification"></a><h6> |
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| <a class="link" href="element_access.html#fusion.tuple.class_template_tuple.element_access.specification">Specification</a> |
| </h6> |
| <pre class="programlisting"><span class="keyword">template</span><span class="special"><</span><span class="keyword">int</span> <span class="identifier">I</span><span class="special">,</span> <span class="identifier">T</span><span class="special">></span> |
| <span class="identifier">RJ</span> <span class="identifier">get</span><span class="special">(</span><span class="identifier">T</span><span class="special">&</span> <span class="identifier">t</span><span class="special">);</span> |
| </pre> |
| <p> |
| <span class="bold"><strong>Requires</strong></span>: <code class="computeroutput"><span class="number">0</span> |
| <span class="special"><</span> <span class="identifier">I</span> |
| <span class="special"><=</span> <span class="identifier">N</span></code>. |
| The program is ill formed if <code class="computeroutput"><span class="identifier">I</span></code> |
| is out of bounds. <code class="computeroutput"><span class="identifier">T</span></code> is |
| any fusion sequence type, including <code class="computeroutput"><span class="identifier">tuple</span></code>. |
| </p> |
| <p> |
| <span class="bold"><strong>Return type</strong></span>: <code class="computeroutput"><span class="identifier">RJ</span></code> |
| is equivalent to <code class="computeroutput"><a class="link" href="../../sequence/intrinsic/metafunctions/at_c.html" title="at_c"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">at_c</span></code></a><span class="special"><</span><span class="identifier">I</span><span class="special">,</span><span class="identifier">T</span><span class="special">>::</span><span class="identifier">type</span></code>. |
| </p> |
| <p> |
| <span class="bold"><strong>Returns</strong></span>: A reference to the <code class="computeroutput"><span class="identifier">I</span></code>th element of <code class="computeroutput"><span class="identifier">T</span></code>. |
| </p> |
| <pre class="programlisting"><span class="keyword">template</span><span class="special"><</span><span class="keyword">int</span> <span class="identifier">I</span><span class="special">,</span> <span class="keyword">typename</span> <span class="identifier">T</span><span class="special">></span> |
| <span class="identifier">PJ</span> <span class="identifier">get</span><span class="special">(</span><span class="identifier">T</span> <span class="keyword">const</span><span class="special">&</span> <span class="identifier">t</span><span class="special">);</span> |
| </pre> |
| <p> |
| <span class="bold"><strong>Requires</strong></span>: <code class="computeroutput"><span class="number">0</span> |
| <span class="special"><</span> <span class="identifier">I</span> |
| <span class="special"><=</span> <span class="identifier">N</span></code>. |
| The program is ill formed if <code class="computeroutput"><span class="identifier">I</span></code> |
| is out of bounds. <code class="computeroutput"><span class="identifier">T</span></code> is |
| any fusion sequence type, including <code class="computeroutput"><span class="identifier">tuple</span></code>. |
| </p> |
| <p> |
| <span class="bold"><strong>Return type</strong></span>: <code class="computeroutput"><span class="identifier">PJ</span></code> |
| is equivalent to <code class="computeroutput"><a class="link" href="../../sequence/intrinsic/metafunctions/at_c.html" title="at_c"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">at_c</span></code></a><span class="special"><</span><span class="identifier">I</span><span class="special">,</span><span class="identifier">T</span><span class="special">>::</span><span class="identifier">type</span></code>. |
| </p> |
| <p> |
| <span class="bold"><strong>Returns</strong></span>: A const reference to the <code class="computeroutput"><span class="identifier">I</span></code>th element of <code class="computeroutput"><span class="identifier">T</span></code>. |
| </p> |
| </div> |
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| <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>) |
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