1<html> 2<head> 3<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 4<title>make_fused_function_object</title> 5<link rel="stylesheet" href="../../../../../../../../doc/src/boostbook.css" type="text/css"> 6<meta name="generator" content="DocBook XSL Stylesheets V1.79.1"> 7<link rel="home" href="../../../../index.html" title="Chapter 1. Fusion 2.2"> 8<link rel="up" href="../functions.html" title="Functions"> 9<link rel="prev" href="mk_fused_proc.html" title="make_fused_procedure"> 10<link rel="next" href="mk_unfused.html" title="make_unfused"> 11</head> 12<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> 13<table cellpadding="2" width="100%"><tr> 14<td valign="top"><img alt="Boost C++ Libraries" width="277" height="86" src="../../../../../../../../boost.png"></td> 15<td align="center"><a href="../../../../../../../../index.html">Home</a></td> 16<td align="center"><a href="../../../../../../../../libs/libraries.htm">Libraries</a></td> 17<td align="center"><a href="http://www.boost.org/users/people.html">People</a></td> 18<td align="center"><a href="http://www.boost.org/users/faq.html">FAQ</a></td> 19<td align="center"><a href="../../../../../../../../more/index.htm">More</a></td> 20</tr></table> 21<hr> 22<div class="spirit-nav"> 23<a accesskey="p" href="mk_fused_proc.html"><img src="../../../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../functions.html"><img src="../../../../../../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="../../../../index.html"><img src="../../../../../../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="mk_unfused.html"><img src="../../../../../../../../doc/src/images/next.png" alt="Next"></a> 24</div> 25<div class="section"> 26<div class="titlepage"><div><div><h5 class="title"> 27<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> 28</h5></div></div></div> 29<h6> 30<a name="fusion.functional.generation.functions.mk_fused_fobj.h0"></a> 31 <span class="phrase"><a name="fusion.functional.generation.functions.mk_fused_fobj.description"></a></span><a class="link" href="mk_fused_fobj.html#fusion.functional.generation.functions.mk_fused_fobj.description">Description</a> 32 </h6> 33<p> 34 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 35 for a given <a class="link" href="../../concepts/def_callable.html" title="Deferred Callable Object">Deferred 36 Callable Object</a>. The usual <a class="link" href="../../../notes.html#fusion.notes.element_conversion"><span class="emphasis"><em>element 37 conversion</em></span></a> is applied to the target function. 38 </p> 39<h6> 40<a name="fusion.functional.generation.functions.mk_fused_fobj.h1"></a> 41 <span class="phrase"><a name="fusion.functional.generation.functions.mk_fused_fobj.synopsis"></a></span><a class="link" href="mk_fused_fobj.html#fusion.functional.generation.functions.mk_fused_fobj.synopsis">Synopsis</a> 42 </h6> 43<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> 44<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">result_of</span><span class="special">::</span><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> 45<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> 46</pre> 47<h6> 48<a name="fusion.functional.generation.functions.mk_fused_fobj.h2"></a> 49 <span class="phrase"><a name="fusion.functional.generation.functions.mk_fused_fobj.parameters"></a></span><a class="link" href="mk_fused_fobj.html#fusion.functional.generation.functions.mk_fused_fobj.parameters">Parameters</a> 50 </h6> 51<div class="informaltable"><table class="table"> 52<colgroup> 53<col> 54<col> 55<col> 56</colgroup> 57<thead><tr> 58<th> 59 <p> 60 Parameter 61 </p> 62 </th> 63<th> 64 <p> 65 Requirement 66 </p> 67 </th> 68<th> 69 <p> 70 Description 71 </p> 72 </th> 73</tr></thead> 74<tbody><tr> 75<td> 76 <p> 77 <code class="computeroutput"><span class="identifier">f</span></code> 78 </p> 79 </td> 80<td> 81 <p> 82 Model of <a class="link" href="../../concepts/poly.html" title="Polymorphic Function Object">Polymorphic 83 Function Object</a> 84 </p> 85 </td> 86<td> 87 <p> 88 The function to transform. 89 </p> 90 </td> 91</tr></tbody> 92</table></div> 93<h6> 94<a name="fusion.functional.generation.functions.mk_fused_fobj.h3"></a> 95 <span class="phrase"><a name="fusion.functional.generation.functions.mk_fused_fobj.expression_semantics"></a></span><a class="link" href="mk_fused_fobj.html#fusion.functional.generation.functions.mk_fused_fobj.expression_semantics">Expression 96 Semantics</a> 97 </h6> 98<pre class="programlisting"><span class="identifier">make_fused_function_object</span><span class="special">(</span><span class="identifier">f</span><span class="special">);</span> 99</pre> 100<p> 101 <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>. 102 </p> 103<p> 104 <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 105 for <code class="computeroutput"><span class="identifier">f</span></code>. 106 </p> 107<h6> 108<a name="fusion.functional.generation.functions.mk_fused_fobj.h4"></a> 109 <span class="phrase"><a name="fusion.functional.generation.functions.mk_fused_fobj.header"></a></span><a class="link" href="mk_fused_fobj.html#fusion.functional.generation.functions.mk_fused_fobj.header">Header</a> 110 </h6> 111<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> 112<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> 113</pre> 114<h6> 115<a name="fusion.functional.generation.functions.mk_fused_fobj.h5"></a> 116 <span class="phrase"><a name="fusion.functional.generation.functions.mk_fused_fobj.example"></a></span><a class="link" href="mk_fused_fobj.html#fusion.functional.generation.functions.mk_fused_fobj.example">Example</a> 117 </h6> 118<pre class="programlisting"><span class="keyword">struct</span> <span class="identifier">sub</span> 119<span class="special">{</span> 120 <span class="keyword">template</span> <span class="special"><</span><span class="keyword">typename</span> <span class="identifier">Sig</span><span class="special">></span> 121 <span class="keyword">struct</span> <span class="identifier">result</span><span class="special">;</span> 122 123 <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> 124 <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> 125 <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> 126 127 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> <span class="identifier">T</span><span class="special">></span> 128 <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> 129 <span class="special">{</span> 130 <span class="keyword">return</span> <span class="identifier">lhs</span> <span class="special">-</span> <span class="identifier">rhs</span><span class="special">;</span> 131 <span class="special">}</span> 132<span class="special">};</span> 133 134<span class="keyword">void</span> <span class="identifier">try_it</span><span class="special">()</span> 135<span class="special">{</span> 136 <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> 137 <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> 138 <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> 139 <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> 140<span class="special">}</span> 141</pre> 142<h6> 143<a name="fusion.functional.generation.functions.mk_fused_fobj.h6"></a> 144 <span class="phrase"><a name="fusion.functional.generation.functions.mk_fused_fobj.see_also"></a></span><a class="link" href="mk_fused_fobj.html#fusion.functional.generation.functions.mk_fused_fobj.see_also">See 145 also</a> 146 </h6> 147<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> 148<li class="listitem"> 149 <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> 150 </li> 151<li class="listitem"> 152 <a class="link" href="../../../support/deduce.html" title="deduce"><code class="computeroutput"><span class="identifier">deduce</span></code></a> 153 </li> 154<li class="listitem"> 155 <a class="link" href="../metafunctions/mk_fused_fobj.html" title="make_fused_function_object"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">make_fused_function_object</span></code></a> 156 </li> 157</ul></div> 158</div> 159<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> 160<td align="left"></td> 161<td align="right"><div class="copyright-footer">Copyright © 2001-2006, 2011, 2012 Joel de Guzman, 162 Dan Marsden, Tobias Schwinger<p> 163 Distributed under the Boost Software License, Version 1.0. (See accompanying 164 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>) 165 </p> 166</div></td> 167</tr></table> 168<hr> 169<div class="spirit-nav"> 170<a accesskey="p" href="mk_fused_proc.html"><img src="../../../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../functions.html"><img src="../../../../../../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="../../../../index.html"><img src="../../../../../../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="mk_unfused.html"><img src="../../../../../../../../doc/src/images/next.png" alt="Next"></a> 171</div> 172</body> 173</html> 174
