1<html> 2<head> 3<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 4<title>make_set</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="../metafunctions.html" title="MetaFunctions"> 9<link rel="prev" href="make_deque.html" title="make_deque"> 10<link rel="next" href="make_map.html" title="make_map"> 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="make_deque.html"><img src="../../../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../metafunctions.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="make_map.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.container.generation.metafunctions.make_set"></a><a class="link" href="make_set.html" title="make_set">make_set</a> 28</h5></div></div></div> 29<h6> 30<a name="fusion.container.generation.metafunctions.make_set.h0"></a> 31 <span class="phrase"><a name="fusion.container.generation.metafunctions.make_set.description"></a></span><a class="link" href="make_set.html#fusion.container.generation.metafunctions.make_set.description">Description</a> 32 </h6> 33<p> 34 Returns the result type of <a class="link" href="../functions/make_set.html" title="make_set"><code class="computeroutput"><span class="identifier">make_set</span></code></a>. 35 </p> 36<h6> 37<a name="fusion.container.generation.metafunctions.make_set.h1"></a> 38 <span class="phrase"><a name="fusion.container.generation.metafunctions.make_set.synopsis"></a></span><a class="link" href="make_set.html#fusion.container.generation.metafunctions.make_set.synopsis">Synopsis</a> 39 </h6> 40<pre class="programlisting"><span class="keyword">template</span> <span class="special"><</span><span class="keyword">typename</span> <span class="identifier">T0</span><span class="special">,</span> <span class="keyword">typename</span> <span class="identifier">T1</span><span class="special">,...</span> <span class="keyword">typename</span> <span class="identifier">TN</span><span class="special">></span> 41<span class="keyword">struct</span> <span class="identifier">make_set</span><span class="special">;</span> 42</pre> 43<p> 44 For C++11 compilers, the variadic function interface has no upper bound. 45 </p> 46<p> 47 For C++03 compilers, the variadic function accepts <code class="computeroutput"><span class="number">0</span></code> 48 to <code class="computeroutput"><span class="identifier">FUSION_MAX_SET_SIZE</span></code> 49 elements, where <code class="computeroutput"><span class="identifier">FUSION_MAX_SET_SIZE</span></code> 50 is a user definable predefined maximum that defaults to <code class="computeroutput"><span class="number">10</span></code>. You may define the preprocessor constant 51 <code class="computeroutput"><span class="identifier">FUSION_MAX_SET_SIZE</span></code> before 52 including any Fusion header to change the default. Example: 53 </p> 54<pre class="programlisting"><span class="preprocessor">#define</span> <span class="identifier">FUSION_MAX_SET_SIZE</span> <span class="number">20</span> 55</pre> 56<h6> 57<a name="fusion.container.generation.metafunctions.make_set.h2"></a> 58 <span class="phrase"><a name="fusion.container.generation.metafunctions.make_set.parameters"></a></span><a class="link" href="make_set.html#fusion.container.generation.metafunctions.make_set.parameters">Parameters</a> 59 </h6> 60<div class="informaltable"><table class="table"> 61<colgroup> 62<col> 63<col> 64<col> 65</colgroup> 66<thead><tr> 67<th> 68 <p> 69 Parameter 70 </p> 71 </th> 72<th> 73 <p> 74 Requirement 75 </p> 76 </th> 77<th> 78 <p> 79 Description 80 </p> 81 </th> 82</tr></thead> 83<tbody><tr> 84<td> 85 <p> 86 <code class="computeroutput"><span class="identifier">T0</span><span class="special">,</span> 87 <span class="identifier">T1</span><span class="special">,...</span> 88 <span class="identifier">TN</span></code> 89 </p> 90 </td> 91<td> 92 <p> 93 Any type 94 </p> 95 </td> 96<td> 97 <p> 98 The arguments to <code class="computeroutput"><span class="identifier">make_set</span></code> 99 </p> 100 </td> 101</tr></tbody> 102</table></div> 103<h6> 104<a name="fusion.container.generation.metafunctions.make_set.h3"></a> 105 <span class="phrase"><a name="fusion.container.generation.metafunctions.make_set.expression_semantics"></a></span><a class="link" href="make_set.html#fusion.container.generation.metafunctions.make_set.expression_semantics">Expression 106 Semantics</a> 107 </h6> 108<pre class="programlisting"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">make_set</span><span class="special"><</span><span class="identifier">T0</span><span class="special">,</span> <span class="identifier">T1</span><span class="special">,...</span> <span class="identifier">TN</span><span class="special">>::</span><span class="identifier">type</span> 109</pre> 110<p> 111 <span class="bold"><strong>Return type</strong></span>: A <a class="link" href="../../set.html" title="set"><code class="computeroutput"><span class="identifier">set</span></code></a> with elements of types converted 112 following the rules for <a class="link" href="../../../notes.html#fusion.notes.element_conversion"><span class="emphasis"><em>element 113 conversion</em></span></a>. 114 </p> 115<p> 116 <span class="bold"><strong>Semantics</strong></span>: Create a <a class="link" href="../../set.html" title="set"><code class="computeroutput"><span class="identifier">set</span></code></a> from <code class="computeroutput"><span class="identifier">T0</span><span class="special">,</span> <span class="identifier">T1</span><span class="special">,...</span> <span class="identifier">TN</span></code>. 117 </p> 118<p> 119 <span class="bold"><strong>Precondition</strong></span>: There may be no duplicate 120 key types. 121 </p> 122<h6> 123<a name="fusion.container.generation.metafunctions.make_set.h4"></a> 124 <span class="phrase"><a name="fusion.container.generation.metafunctions.make_set.header"></a></span><a class="link" href="make_set.html#fusion.container.generation.metafunctions.make_set.header">Header</a> 125 </h6> 126<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">container</span><span class="special">/</span><span class="identifier">generation</span><span class="special">/</span><span class="identifier">make_set</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span> 127<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_set</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span> 128</pre> 129<h6> 130<a name="fusion.container.generation.metafunctions.make_set.h5"></a> 131 <span class="phrase"><a name="fusion.container.generation.metafunctions.make_set.example"></a></span><a class="link" href="make_set.html#fusion.container.generation.metafunctions.make_set.example">Example</a> 132 </h6> 133<pre class="programlisting"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">make_set</span><span class="special"><</span><span class="keyword">int</span><span class="special">,</span> <span class="keyword">char</span><span class="special">,</span> <span class="keyword">double</span><span class="special">>::</span><span class="identifier">type</span> 134</pre> 135</div> 136<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> 137<td align="left"></td> 138<td align="right"><div class="copyright-footer">Copyright © 2001-2006, 2011, 2012 Joel de Guzman, 139 Dan Marsden, Tobias Schwinger<p> 140 Distributed under the Boost Software License, Version 1.0. (See accompanying 141 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>) 142 </p> 143</div></td> 144</tr></table> 145<hr> 146<div class="spirit-nav"> 147<a accesskey="p" href="make_deque.html"><img src="../../../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../metafunctions.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="make_map.html"><img src="../../../../../../../../doc/src/images/next.png" alt="Next"></a> 148</div> 149</body> 150</html> 151
