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| <div class="titlepage"><div><div><h5 class="title"> |
| <a name="fusion.functional.invocation.functions.invoke_proc"></a><a class="link" href="invoke_proc.html" title="invoke_procedure">invoke_procedure</a> |
| </h5></div></div></div> |
| <a name="fusion.functional.invocation.functions.invoke_proc.description"></a><h6> |
| <a name="id1037042"></a> |
| <a class="link" href="invoke_proc.html#fusion.functional.invocation.functions.invoke_proc.description">Description</a> |
| </h6> |
| <p> |
| Calls a <a class="link" href="../../concepts/callable.html" title="Callable Object">Callable |
| Object</a> with the arguments from a <a class="link" href="../../../sequence.html" title="Sequence">Sequence</a>. |
| The result of the call is ignored. |
| </p> |
| <p> |
| The first template parameter can be specialized explicitly to avoid copying |
| and/or to control the const qualification of a function object. |
| </p> |
| <p> |
| For pointers to class members corresponding object can be specified as |
| a reference, pointer, or smart pointer. In case of the latter, a freestanding |
| <code class="literal">get_pointer</code> function must be defined (Boost provides |
| this function for <code class="literal">std::auto_ptr</code> and <a href="http://www.boost.org/libs/smart_ptr/shared_ptr.htm" target="_top"><code class="computeroutput"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">shared_ptr</span></code></a>). |
| </p> |
| <p> |
| The target function must not be a pointer to a member object (dereferencing |
| such a pointer without returning anything does not make sense, so it |
| isn't implemented). |
| </p> |
| <a name="fusion.functional.invocation.functions.invoke_proc.synopsis"></a><h6> |
| <a name="id1037112"></a> |
| <a class="link" href="invoke_proc.html#fusion.functional.invocation.functions.invoke_proc.synopsis">Synopsis</a> |
| </h6> |
| <pre class="programlisting"><span class="keyword">template</span><span class="special"><</span> |
| <span class="keyword">typename</span> <span class="identifier">Function</span><span class="special">,</span> |
| <span class="keyword">class</span> <span class="identifier">Sequence</span> |
| <span class="special">></span> |
| <span class="keyword">typename</span> <a class="link" href="../metafunctions/invoke_proc.html" title="invoke_procedure"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">invoke_procedure</span></code></a><span class="special"><</span><span class="identifier">Function</span><span class="special">,</span> <span class="identifier">Sequence</span><span class="special">>::</span><span class="identifier">type</span> |
| <span class="identifier">invoke_procedure</span><span class="special">(</span><span class="identifier">Function</span> <span class="identifier">f</span><span class="special">,</span> <span class="identifier">Sequence</span> <span class="special">&</span> <span class="identifier">s</span><span class="special">);</span> |
| |
| <span class="keyword">template</span><span class="special"><</span> |
| <span class="keyword">typename</span> <span class="identifier">Function</span><span class="special">,</span> |
| <span class="keyword">class</span> <span class="identifier">Sequence</span> |
| <span class="special">></span> |
| <span class="keyword">typename</span> <a class="link" href="../metafunctions/invoke_proc.html" title="invoke_procedure"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">invoke_procedure</span></code></a><span class="special"><</span><span class="identifier">Function</span><span class="special">,</span> <span class="identifier">Sequence</span> <span class="keyword">const</span><span class="special">>::</span><span class="identifier">type</span> |
| <span class="identifier">invoke_procedure</span><span class="special">(</span><span class="identifier">Function</span> <span class="identifier">f</span><span class="special">,</span> <span class="identifier">Sequence</span> <span class="keyword">const</span> <span class="special">&</span> <span class="identifier">s</span><span class="special">);</span> |
| </pre> |
| <a name="fusion.functional.invocation.functions.invoke_proc.parameters"></a><h6> |
| <a name="id1037381"></a> |
| <a class="link" href="invoke_proc.html#fusion.functional.invocation.functions.invoke_proc.parameters">Parameters</a> |
| </h6> |
| <div class="informaltable"><table class="table"> |
| <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">f</span></code> |
| </p> |
| </td> |
| <td> |
| <p> |
| Model of <a class="link" href="../../concepts/callable.html" title="Callable Object">Callable |
| Object</a> |
| </p> |
| </td> |
| <td> |
| <p> |
| The function to call. |
| </p> |
| </td> |
| </tr> |
| <tr> |
| <td> |
| <p> |
| <code class="computeroutput"><span class="identifier">s</span></code> |
| </p> |
| </td> |
| <td> |
| <p> |
| Model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward |
| Sequence</a> |
| </p> |
| </td> |
| <td> |
| <p> |
| The arguments. |
| </p> |
| </td> |
| </tr> |
| </tbody> |
| </table></div> |
| <a name="fusion.functional.invocation.functions.invoke_proc.expression_semantics"></a><h6> |
| <a name="id1037514"></a> |
| <a class="link" href="invoke_proc.html#fusion.functional.invocation.functions.invoke_proc.expression_semantics">Expression |
| Semantics</a> |
| </h6> |
| <pre class="programlisting"><span class="identifier">invoke_procedure</span><span class="special">(</span><span class="identifier">f</span><span class="special">,</span><span class="identifier">s</span><span class="special">);</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>: Invokes <code class="computeroutput"><span class="identifier">f</span></code> |
| with the elements in <code class="computeroutput"><span class="identifier">s</span></code> |
| as arguments. |
| </p> |
| <a name="fusion.functional.invocation.functions.invoke_proc.header"></a><h6> |
| <a name="id1037594"></a> |
| <a class="link" href="invoke_proc.html#fusion.functional.invocation.functions.invoke_proc.header">Header</a> |
| </h6> |
| <pre class="programlisting"><span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">booost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">functional</span><span class="special">/</span><span class="identifier">invocation</span><span class="special">/</span><span class="identifier">invoke_procedure</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span> |
| </pre> |
| <a name="fusion.functional.invocation.functions.invoke_proc.example"></a><h6> |
| <a name="id1037669"></a> |
| <a class="link" href="invoke_proc.html#fusion.functional.invocation.functions.invoke_proc.example">Example</a> |
| </h6> |
| <pre class="programlisting"><a class="link" href="../../../container/vector.html" title="vector"><code class="computeroutput"><span class="identifier">vector</span></code></a><span class="special"><</span><span class="keyword">int</span><span class="special">,</span><span class="keyword">int</span><span class="special">></span> <span class="identifier">v</span><span class="special">(</span><span class="number">1</span><span class="special">,</span><span class="number">2</span><span class="special">);</span> |
| <span class="keyword">using</span> <span class="keyword">namespace</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">lambda</span><span class="special">;</span> |
| <span class="identifier">invoke_procedure</span><span class="special">(</span><span class="identifier">_1</span> <span class="special">+=</span> <span class="identifier">_2</span><span class="special">,</span> <span class="identifier">v</span><span class="special">);</span> |
| <span class="identifier">assert</span><span class="special">(</span><a class="link" href="../../../sequence/intrinsic/functions/front.html" title="front"><code class="computeroutput"><span class="identifier">front</span></code></a><span class="special">(</span><span class="identifier">v</span><span class="special">)</span> <span class="special">==</span> <span class="number">3</span><span class="special">);</span> |
| </pre> |
| <a name="fusion.functional.invocation.functions.invoke_proc.see_also"></a><h6> |
| <a name="id1037840"></a> |
| <a class="link" href="invoke_proc.html#fusion.functional.invocation.functions.invoke_proc.see_also">See |
| also</a> |
| </h6> |
| <div class="itemizedlist"><ul class="itemizedlist" type="disc"> |
| <li class="listitem"> |
| <a class="link" href="invoke.html" title="invoke"><code class="computeroutput"><span class="identifier">invoke</span></code></a> |
| </li> |
| <li class="listitem"> |
| <a class="link" href="invoke_fobj.html" title="invoke_function_object"><code class="computeroutput"><span class="identifier">invoke_function_object</span></code></a> |
| </li> |
| <li class="listitem"> |
| <a class="link" href="../metafunctions/invoke_proc.html" title="invoke_procedure"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">invoke_procedure</span></code></a> |
| </li> |
| <li class="listitem"> |
| <a class="link" href="../../adapters/fused_procedure.html" title="fused_procedure"><code class="computeroutput"><span class="identifier">fused_procedure</span></code></a> |
| </li> |
| <li class="listitem"> |
| <a class="link" href="../../generation/functions/mk_fused_proc.html" title="make_fused_procedure"><code class="computeroutput"><span class="identifier">make_fused_procedure</span></code></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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