1<html> 2<head> 3<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 4<title>Regular Callable 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="../concepts.html" title="Concepts"> 9<link rel="prev" href="callable.html" title="Callable Object"> 10<link rel="next" href="def_callable.html" title="Deferred Callable Object"> 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="callable.html"><img src="../../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../concepts.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="def_callable.html"><img src="../../../../../../../doc/src/images/next.png" alt="Next"></a> 24</div> 25<div class="section"> 26<div class="titlepage"><div><div><h4 class="title"> 27<a name="fusion.functional.concepts.reg_callable"></a><a class="link" href="reg_callable.html" title="Regular Callable Object">Regular Callable 28 Object</a> 29</h4></div></div></div> 30<h6> 31<a name="fusion.functional.concepts.reg_callable.h0"></a> 32 <span class="phrase"><a name="fusion.functional.concepts.reg_callable.description"></a></span><a class="link" href="reg_callable.html#fusion.functional.concepts.reg_callable.description">Description</a> 33 </h6> 34<p> 35 A non-member-pointer <a class="link" href="callable.html" title="Callable Object">Callable 36 Object</a> type: A pointer to a function or a class type whose objects 37 can appear immediately to the left of a function call operator. 38 </p> 39<h6> 40<a name="fusion.functional.concepts.reg_callable.h1"></a> 41 <span class="phrase"><a name="fusion.functional.concepts.reg_callable.refinement_of"></a></span><a class="link" href="reg_callable.html#fusion.functional.concepts.reg_callable.refinement_of">Refinement 42 of</a> 43 </h6> 44<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"> 45 <a class="link" href="callable.html" title="Callable Object">Callable Object</a> 46 </li></ul></div> 47<div class="variablelist"> 48<p class="title"><b>Notation</b></p> 49<dl class="variablelist"> 50<dt><span class="term"><code class="computeroutput"><span class="identifier">F</span></code></span></dt> 51<dd><p> 52 A possibly const qualified Deferred Callable Object type 53 </p></dd> 54<dt><span class="term"><code class="computeroutput"><span class="identifier">f</span></code></span></dt> 55<dd><p> 56 An object or reference to an object of type F 57 </p></dd> 58<dt><span class="term"><code class="computeroutput"><span class="identifier">A1</span> <span class="special">...</span><span class="identifier">AN</span></code></span></dt> 59<dd><p> 60 Argument types 61 </p></dd> 62<dt><span class="term"><code class="computeroutput"><span class="identifier">a1</span> <span class="special">...</span><span class="identifier">aN</span></code></span></dt> 63<dd><p> 64 Objects or references to objects with types <code class="computeroutput"><span class="identifier">A1</span> 65 <span class="special">...</span><span class="identifier">AN</span></code> 66 </p></dd> 67</dl> 68</div> 69<h6> 70<a name="fusion.functional.concepts.reg_callable.h2"></a> 71 <span class="phrase"><a name="fusion.functional.concepts.reg_callable.expression_requirements"></a></span><a class="link" href="reg_callable.html#fusion.functional.concepts.reg_callable.expression_requirements">Expression 72 requirements</a> 73 </h6> 74<div class="informaltable"><table class="table"> 75<colgroup> 76<col> 77<col> 78<col> 79</colgroup> 80<thead><tr> 81<th> 82 <p> 83 Expression 84 </p> 85 </th> 86<th> 87 <p> 88 Return Type 89 </p> 90 </th> 91<th> 92 <p> 93 Runtime Complexity 94 </p> 95 </th> 96</tr></thead> 97<tbody><tr> 98<td> 99 <p> 100 <code class="computeroutput"><span class="identifier">f</span><span class="special">(</span><span class="identifier">a1</span><span class="special">,</span> 101 <span class="special">...</span><span class="identifier">aN</span><span class="special">)</span></code> 102 </p> 103 </td> 104<td> 105 <p> 106 Unspecified 107 </p> 108 </td> 109<td> 110 <p> 111 Unspecified 112 </p> 113 </td> 114</tr></tbody> 115</table></div> 116<h6> 117<a name="fusion.functional.concepts.reg_callable.h3"></a> 118 <span class="phrase"><a name="fusion.functional.concepts.reg_callable.models"></a></span><a class="link" href="reg_callable.html#fusion.functional.concepts.reg_callable.models">Models</a> 119 </h6> 120<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> 121<li class="listitem"> 122 function pointer types 123 </li> 124<li class="listitem"> 125 all kinds of function objects 126 </li> 127</ul></div> 128<h6> 129<a name="fusion.functional.concepts.reg_callable.h4"></a> 130 <span class="phrase"><a name="fusion.functional.concepts.reg_callable.examples"></a></span><a class="link" href="reg_callable.html#fusion.functional.concepts.reg_callable.examples">Examples</a> 131 </h6> 132<pre class="programlisting"><span class="special">&</span> <span class="identifier">a_free_function</span> 133<span class="special">&</span> <span class="identifier">a_class</span><span class="special">::</span><span class="identifier">a_static_member_function</span> 134<span class="identifier">std</span><span class="special">::</span><span class="identifier">less</span><span class="special"><</span><span class="keyword">int</span><span class="special">>()</span> 135<span class="comment">// using namespace boost;</span> 136<span class="identifier">bind</span><span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">less</span><span class="special"><</span><span class="keyword">int</span><span class="special">>(),</span> <span class="identifier">_1</span><span class="special">,</span> <span class="number">5</span><span class="special">)</span> 137<span class="identifier">lambda</span><span class="special">::</span><span class="identifier">_1</span> <span class="special">+=</span> <span class="identifier">lambda</span><span class="special">::</span><span class="identifier">_2</span><span class="special">;</span> 138<span class="identifier">fusion</span><span class="special">::</span><a class="link" href="../generation/functions/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">std</span><span class="special">::</span><span class="identifier">less</span><span class="special"><</span><span class="keyword">int</span><span class="special">>())</span> 139</pre> 140</div> 141<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> 142<td align="left"></td> 143<td align="right"><div class="copyright-footer">Copyright © 2001-2006, 2011, 2012 Joel de Guzman, 144 Dan Marsden, Tobias Schwinger<p> 145 Distributed under the Boost Software License, Version 1.0. (See accompanying 146 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>) 147 </p> 148</div></td> 149</tr></table> 150<hr> 151<div class="spirit-nav"> 152<a accesskey="p" href="callable.html"><img src="../../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../concepts.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="def_callable.html"><img src="../../../../../../../doc/src/images/next.png" alt="Next"></a> 153</div> 154</body> 155</html> 156
