<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=US-ASCII"> <title>make_set</title> <link rel="stylesheet" href="../../../../../../../../doc/src/boostbook.css" type="text/css"> <meta name="generator" content="DocBook XSL Stylesheets V1.75.2"> <link rel="home" href="../../../../index.html" title="Chapter 1. Fusion 2.0"> <link rel="up" href="../metafunctions.html" title="MetaFunctions"> <link rel="prev" href="make_vector.html" title="make_vector"> <link rel="next" href="make_map.html" title="make_map"> </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="../../../../../../../../libs/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="make_vector.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> </div> <div class="section"> <div class="titlepage"><div><div><h5 class="title"> <a name="fusion.container.generation.metafunctions.make_set"></a><a class="link" href="make_set.html" title="make_set">make_set</a> </h5></div></div></div> <a name="fusion.container.generation.metafunctions.make_set.description"></a><h6> <a name="id975626"></a> <a class="link" href="make_set.html#fusion.container.generation.metafunctions.make_set.description">Description</a> </h6> <p> 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>. </p> <a name="fusion.container.generation.metafunctions.make_set.synopsis"></a><h6> <a name="id976887"></a> <a class="link" href="make_set.html#fusion.container.generation.metafunctions.make_set.synopsis">Synopsis</a> </h6> <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> <span class="keyword">struct</span> <span class="identifier">make_set</span><span class="special">;</span> </pre> <p> The variadic function accepts <code class="computeroutput"><span class="number">0</span></code> to <code class="computeroutput"><span class="identifier">FUSION_MAX_SET_SIZE</span></code> elements, where <code class="computeroutput"><span class="identifier">FUSION_MAX_SET_SIZE</span></code> is a user definable predefined maximum that defaults to <code class="computeroutput"><span class="number">10</span></code>. You may define the preprocessor constant <code class="computeroutput"><span class="identifier">FUSION_MAX_SET_SIZE</span></code> before including any Fusion header to change the default. Example: </p> <pre class="programlisting"><span class="preprocessor">#define</span> <span class="identifier">FUSION_MAX_SET_SIZE</span> <span class="number">20</span> </pre> <a name="fusion.container.generation.metafunctions.make_set.parameters"></a><h6> <a name="id977027"></a> <a class="link" href="make_set.html#fusion.container.generation.metafunctions.make_set.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">T0</span><span class="special">,</span> <span class="identifier">T1</span><span class="special">,...</span> <span class="identifier">TN</span></code> </p> </td> <td> <p> Any type </p> </td> <td> <p> The arguments to <code class="computeroutput"><span class="identifier">make_set</span></code> </p> </td> </tr></tbody> </table></div> <a name="fusion.container.generation.metafunctions.make_set.expression_semantics"></a><h6> <a name="id977141"></a> <a class="link" href="make_set.html#fusion.container.generation.metafunctions.make_set.expression_semantics">Expression Semantics</a> </h6> <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> </pre> <p> <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 following the rules for <a class="link" href="../../../notes.html#fusion.notes.element_conversion"><span class="emphasis"><em>element conversion</em></span></a>. </p> <p> <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>. </p> <p> <span class="bold"><strong>Precondition</strong></span>: There may be no duplicate key types. </p> <a name="fusion.container.generation.metafunctions.make_set.header"></a><h6> <a name="id977279"></a> <a class="link" href="make_set.html#fusion.container.generation.metafunctions.make_set.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">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> <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> </pre> <a name="fusion.container.generation.metafunctions.make_set.example"></a><h6> <a name="id977399"></a> <a class="link" href="make_set.html#fusion.container.generation.metafunctions.make_set.example">Example</a> </h6> <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> </pre> </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="make_vector.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> </div> </body> </html>