<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=US-ASCII"> <title>make_fused_function_object</title> <link rel="stylesheet" href="../../../../../../../../doc/html/boostbook.css" type="text/css"> <meta name="generator" content="DocBook XSL Stylesheets V1.75.1"> <link rel="home" href="../../../../index.html" title="Chapter 1. Fusion 2.0"> <link rel="up" href="../functions.html" title="Functions"> <link rel="prev" href="mk_fused_proc.html" title="make_fused_procedure"> <link rel="next" href="mk_unfused.html" title="make_unfused"> </head> <body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> <table cellpadding="2" width="100%"><tr> <td valign="top"><img alt="Boost C++ Libraries" width="277" height="86" src="../../../../../../../../boost.png"></td> <td align="center"><a href="../../../../../../../../index.html">Home</a></td> <td align="center"><a href="../../../../../../../libraries.htm">Libraries</a></td> <td align="center"><a href="http://www.boost.org/users/people.html">People</a></td> <td align="center"><a href="http://www.boost.org/users/faq.html">FAQ</a></td> <td align="center"><a href="../../../../../../../../more/index.htm">More</a></td> </tr></table> <hr> <div class="spirit-nav"> <a accesskey="p" href="mk_fused_proc.html"><img src="../../../../../../../../doc/html/images/prev.png" alt="Prev"></a><a accesskey="u" href="../functions.html"><img src="../../../../../../../../doc/html/images/up.png" alt="Up"></a><a accesskey="h" href="../../../../index.html"><img src="../../../../../../../../doc/html/images/home.png" alt="Home"></a><a accesskey="n" href="mk_unfused.html"><img src="../../../../../../../../doc/html/images/next.png" alt="Next"></a> </div> <div class="section" title="make_fused_function_object"> <div class="titlepage"><div><div><h5 class="title"> <a name="fusion.functional.generation.functions.mk_fused_fobj"></a><a class="link" href="mk_fused_fobj.html" title="make_fused_function_object"> make_fused_function_object</a> </h5></div></div></div> <a name="fusion.functional.generation.functions.mk_fused_fobj.description"></a><h6> <a name="id840459"></a> <a class="link" href="mk_fused_fobj.html#fusion.functional.generation.functions.mk_fused_fobj.description">Description</a> </h6> <p> Creates a <a class="link" href="../../adapters/fused_function_object.html" title="fused_function_object"><code class="computeroutput"><span class="identifier">fused_function_object</span></code></a> adapter for a given <a class="link" href="../../concepts/def_callable.html" title="Deferred Callable Object">Deferred Callable Object</a>. The usual <a class="link" href="../../../notes.html#fusion.notes.element_conversion"><span class="emphasis"><em>element conversion</em></span></a> is applied to the target function. </p> <a name="fusion.functional.generation.functions.mk_fused_fobj.synopsis"></a><h6> <a name="id840499"></a> <a class="link" href="mk_fused_fobj.html#fusion.functional.generation.functions.mk_fused_fobj.synopsis">Synopsis</a> </h6> <pre class="programlisting"><span class="keyword">template</span> <span class="special"><</span><span class="keyword">typename</span> <span class="identifier">F</span><span class="special">></span> <span class="keyword">inline</span> <span class="keyword">typename</span> <a class="link" href="../metafunctions/mk_fused_fobj.html" title="make_fused_function_object"><code class="computeroutput"><span class="identifier">make_fused_function_object</span></code></a><span class="special"><</span><span class="identifier">F</span><span class="special">>::</span><span class="identifier">type</span> <span class="identifier">make_fused_function_object</span><span class="special">(</span><span class="identifier">F</span> <span class="keyword">const</span> <span class="special">&</span> <span class="identifier">f</span><span class="special">);</span> </pre> <a name="fusion.functional.generation.functions.mk_fused_fobj.parameters"></a><h6> <a name="id840608"></a> <a class="link" href="mk_fused_fobj.html#fusion.functional.generation.functions.mk_fused_fobj.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/poly.html" title="Polymorphic Function Object">Polymorphic Function Object</a> </p> </td> <td> <p> The function to transform. </p> </td> </tr></tbody> </table></div> <a name="fusion.functional.generation.functions.mk_fused_fobj.expression_semantics"></a><h6> <a name="id840698"></a> <a class="link" href="mk_fused_fobj.html#fusion.functional.generation.functions.mk_fused_fobj.expression_semantics">Expression Semantics</a> </h6> <pre class="programlisting"><span class="identifier">make_fused_function_object</span><span class="special">(</span><span class="identifier">f</span><span class="special">);</span> </pre> <p> <span class="bold"><strong>Return type</strong></span>: A specialization of <a class="link" href="../../adapters/fused_function_object.html" title="fused_function_object"><code class="computeroutput"><span class="identifier">fused_function_object</span></code></a>. </p> <p> <span class="bold"><strong>Semantics</strong></span>: Returns a <a class="link" href="../../adapters/fused_function_object.html" title="fused_function_object"><code class="computeroutput"><span class="identifier">fused_function_object</span></code></a> adapter for <code class="computeroutput"><span class="identifier">f</span></code>. </p> <a name="fusion.functional.generation.functions.mk_fused_fobj.header"></a><h6> <a name="id840776"></a> <a class="link" href="mk_fused_fobj.html#fusion.functional.generation.functions.mk_fused_fobj.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">functional</span><span class="special">/</span><span class="identifier">generation</span><span class="special">/</span><span class="identifier">make_fused_function_object</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">make_fused_function_object</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span> </pre> <a name="fusion.functional.generation.functions.mk_fused_fobj.example"></a><h6> <a name="id840896"></a> <a class="link" href="mk_fused_fobj.html#fusion.functional.generation.functions.mk_fused_fobj.example">Example</a> </h6> <pre class="programlisting"><span class="keyword">struct</span> <span class="identifier">sub</span> <span class="special">{</span> <span class="keyword">template</span> <span class="special"><</span><span class="keyword">typename</span> <span class="identifier">Sig</span><span class="special">></span> <span class="keyword">struct</span> <span class="identifier">result</span><span class="special">;</span> <span class="keyword">template</span> <span class="special"><</span><span class="keyword">class</span> <span class="identifier">Self</span><span class="special">,</span> <span class="keyword">typename</span> <span class="identifier">T</span><span class="special">></span> <span class="keyword">struct</span> <span class="identifier">result</span><span class="special"><</span> <span class="identifier">Self</span><span class="special">(</span><span class="identifier">T</span><span class="special">,</span><span class="identifier">T</span><span class="special">)</span> <span class="special">></span> <span class="special">{</span> <span class="keyword">typedef</span> <span class="keyword">typename</span> <span class="identifier">remove_reference</span><span class="special"><</span><span class="identifier">T</span><span class="special">>::</span><span class="identifier">type</span> <span class="identifier">type</span><span class="special">;</span> <span class="special">};</span> <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> <span class="identifier">T</span><span class="special">></span> <span class="identifier">T</span> <span class="keyword">operator</span><span class="special">()(</span><span class="identifier">T</span> <span class="identifier">lhs</span><span class="special">,</span> <span class="identifier">T</span> <span class="identifier">rhs</span><span class="special">)</span> <span class="keyword">const</span> <span class="special">{</span> <span class="keyword">return</span> <span class="identifier">lhs</span> <span class="special">-</span> <span class="identifier">rhs</span><span class="special">;</span> <span class="special">}</span> <span class="special">};</span> <span class="keyword">void</span> <span class="identifier">try_it</span><span class="special">()</span> <span class="special">{</span> <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">float</span><span class="special">></span> <span class="identifier">a</span><span class="special">(</span><span class="number">2</span><span class="special">,</span><span class="number">2.0f</span><span class="special">);</span> <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">float</span><span class="special">></span> <span class="identifier">b</span><span class="special">(</span><span class="number">1</span><span class="special">,</span><span class="number">1.5f</span><span class="special">);</span> <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">float</span><span class="special">></span> <span class="identifier">c</span><span class="special">(</span><span class="number">1</span><span class="special">,</span><span class="number">0.5f</span><span class="special">);</span> <span class="identifier">assert</span><span class="special">(</span><span class="identifier">c</span> <span class="special">==</span> <a class="link" href="../../../algorithm/transformation/functions/transform.html" title="transform"><code class="computeroutput"><span class="identifier">transform</span></code></a><span class="special">(</span><a class="link" href="../../../algorithm/transformation/functions/zip.html" title="zip"><code class="computeroutput"><span class="identifier">zip</span></code></a><span class="special">(</span><span class="identifier">a</span><span class="special">,</span><span class="identifier">b</span><span class="special">),</span> <span class="identifier">make_fused_function_object</span><span class="special">(</span><span class="identifier">sub</span><span class="special">())));</span> <span class="special">}</span> </pre> <a name="fusion.functional.generation.functions.mk_fused_fobj.see_also"></a><h6> <a name="id841436"></a> <a class="link" href="mk_fused_fobj.html#fusion.functional.generation.functions.mk_fused_fobj.see_also">See also</a> </h6> <div class="itemizedlist"><ul class="itemizedlist" type="disc"> <li class="listitem"><a class="link" href="../../adapters/fused_function_object.html" title="fused_function_object"><code class="computeroutput"><span class="identifier">fused_function_object</span></code></a></li> <li class="listitem"><a class="link" href="../../../support/deduce.html" title="deduce"><code class="computeroutput"><span class="identifier">deduce</span></code></a></li> <li class="listitem"><a class="link" href="../metafunctions/mk_fused_fobj.html" title="make_fused_function_object"><code class="computeroutput"><span class="identifier">make_fused_function_object</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> </div></td> </tr></table> <hr> <div class="spirit-nav"> <a accesskey="p" href="mk_fused_proc.html"><img src="../../../../../../../../doc/html/images/prev.png" alt="Prev"></a><a accesskey="u" href="../functions.html"><img src="../../../../../../../../doc/html/images/up.png" alt="Up"></a><a accesskey="h" href="../../../../index.html"><img src="../../../../../../../../doc/html/images/home.png" alt="Home"></a><a accesskey="n" href="mk_unfused.html"><img src="../../../../../../../../doc/html/images/next.png" alt="Next"></a> </div> </body> </html>