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| <div class="titlepage"><div><div><h5 class="title"> |
| <a name="fusion.algorithm.iteration.metafunctions.for_each"></a><a class="link" href="for_each.html" title="for_each">for_each</a> |
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| <p> |
| A metafunction returning the result type of applying <a class="link" href="../functions/for_each.html" title="for_each"><code class="computeroutput"><span class="identifier">for_each</span></code></a> to a sequence. The |
| return type of <a class="link" href="../functions/for_each.html" title="for_each"><code class="computeroutput"><span class="identifier">for_each</span></code></a> is always <code class="computeroutput"><span class="keyword">void</span></code>. |
| </p> |
| <a name="fusion.algorithm.iteration.metafunctions.for_each.description"></a><h6> |
| <a name="id963642"></a> |
| <a class="link" href="for_each.html#fusion.algorithm.iteration.metafunctions.for_each.description">Description</a> |
| </h6> |
| <a name="fusion.algorithm.iteration.metafunctions.for_each.synopsis"></a><h6> |
| <a name="id963660"></a> |
| <a class="link" href="for_each.html#fusion.algorithm.iteration.metafunctions.for_each.synopsis">Synopsis</a> |
| </h6> |
| <pre class="programlisting"><span class="keyword">template</span><span class="special"><</span> |
| <span class="keyword">typename</span> <span class="identifier">Sequence</span><span class="special">,</span> |
| <span class="keyword">typename</span> <span class="identifier">F</span> |
| <span class="special">></span> |
| <span class="keyword">struct</span> <span class="identifier">for_each</span> |
| <span class="special">{</span> |
| <span class="keyword">typedef</span> <span class="keyword">void</span> <span class="identifier">type</span><span class="special">;</span> |
| <span class="special">};</span> |
| </pre> |
| <div class="table"> |
| <a name="id963748"></a><p class="title"><b>Table 1.48. Parameters</b></p> |
| <div class="table-contents"><table class="table" summary="Parameters"> |
| <colgroup> |
| <col> |
| <col> |
| <col> |
| </colgroup> |
| <thead><tr> |
| <th> |
| <p> |
| Parameter |
| </p> |
| </th> |
| <th> |
| <p> |
| Requirement |
| </p> |
| </th> |
| <th> |
| <p> |
| Description |
| </p> |
| </th> |
| </tr></thead> |
| <tbody> |
| <tr> |
| <td> |
| <p> |
| <code class="computeroutput"><span class="identifier">Sequence</span></code> |
| </p> |
| </td> |
| <td> |
| <p> |
| A model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward |
| Sequence</a> |
| </p> |
| </td> |
| <td> |
| <p> |
| Operation's argument |
| </p> |
| </td> |
| </tr> |
| <tr> |
| <td> |
| <p> |
| <code class="computeroutput"><span class="identifier">F</span></code> |
| </p> |
| </td> |
| <td> |
| <p> |
| Any type |
| </p> |
| </td> |
| <td> |
| <p> |
| Operation's argument |
| </p> |
| </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <br class="table-break"><a name="fusion.algorithm.iteration.metafunctions.for_each.expression_semantics"></a><h6> |
| <a name="id963867"></a> |
| <a class="link" href="for_each.html#fusion.algorithm.iteration.metafunctions.for_each.expression_semantics">Expression |
| Semantics</a> |
| </h6> |
| <pre class="programlisting"><a class="link" href="for_each.html" title="for_each"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">for_each</span></code></a><span class="special"><</span><span class="identifier">Sequence</span><span class="special">,</span> <span class="identifier">F</span><span class="special">>::</span><span class="identifier">type</span> |
| </pre> |
| <p> |
| <span class="bold"><strong>Return type</strong></span>: <code class="computeroutput"><span class="keyword">void</span></code>. |
| </p> |
| <p> |
| <span class="bold"><strong>Semantics</strong></span>: Returns the return type of |
| <a class="link" href="../functions/for_each.html" title="for_each"><code class="computeroutput"><span class="identifier">for_each</span></code></a> for a sequence of type |
| <code class="computeroutput"><span class="identifier">Sequence</span></code> and a unary |
| function object <code class="computeroutput"><span class="identifier">F</span></code>. The |
| return type is always <code class="computeroutput"><span class="keyword">void</span></code>. |
| </p> |
| <a name="fusion.algorithm.iteration.metafunctions.for_each.complexity"></a><h6> |
| <a name="id964050"></a> |
| <a class="link" href="for_each.html#fusion.algorithm.iteration.metafunctions.for_each.complexity">Complexity</a> |
| </h6> |
| <p> |
| Constant. |
| </p> |
| <a name="fusion.algorithm.iteration.metafunctions.for_each.header"></a><h6> |
| <a name="id964072"></a> |
| <a class="link" href="for_each.html#fusion.algorithm.iteration.metafunctions.for_each.header">Header</a> |
| </h6> |
| <pre class="programlisting"><span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">algorithm</span><span class="special">/</span><span class="identifier">iteration</span><span class="special">/</span><span class="identifier">for_each</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span> |
| <span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span><span class="identifier">for_each</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span> |
| </pre> |
| </div> |
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| <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>) |
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