1<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> 2<html> 3<head> 4<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 5<title>Class template tuple</title> 6<link rel="stylesheet" href="../../../../doc/src/boostbook.css" type="text/css"> 7<meta name="generator" content="DocBook XSL Stylesheets V1.79.1"> 8<link rel="home" href="../../index.html" title="The Boost C++ Libraries BoostBook Documentation Subset"> 9<link rel="up" href="../../boost_typeerasure/reference.html#header.boost.type_erasure.tuple_hpp" title="Header <boost/type_erasure/tuple.hpp>"> 10<link rel="prev" href="make_binding.html" title="Function template make_binding"> 11<link rel="next" href="get.html" title="Function get"> 12</head> 13<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> 14<table cellpadding="2" width="100%"><tr> 15<td valign="top"><img alt="Boost C++ Libraries" width="277" height="86" src="../../../../boost.png"></td> 16<td align="center"><a href="../../../../index.html">Home</a></td> 17<td align="center"><a href="../../../../libs/libraries.htm">Libraries</a></td> 18<td align="center"><a href="http://www.boost.org/users/people.html">People</a></td> 19<td align="center"><a href="http://www.boost.org/users/faq.html">FAQ</a></td> 20<td align="center"><a href="../../../../more/index.htm">More</a></td> 21</tr></table> 22<hr> 23<div class="spirit-nav"> 24<a accesskey="p" href="make_binding.html"><img src="../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../../boost_typeerasure/reference.html#header.boost.type_erasure.tuple_hpp"><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="get.html"><img src="../../../../doc/src/images/next.png" alt="Next"></a> 25</div> 26<div class="refentry"> 27<a name="boost.type_erasure.tuple"></a><div class="titlepage"></div> 28<div class="refnamediv"> 29<h2><span class="refentrytitle">Class template tuple</span></h2> 30<p>boost::type_erasure::tuple</p> 31</div> 32<h2 xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv-title">Synopsis</h2> 33<div xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv"><pre class="synopsis"><span class="comment">// In header: <<a class="link" href="../../boost_typeerasure/reference.html#header.boost.type_erasure.tuple_hpp" title="Header <boost/type_erasure/tuple.hpp>">boost/type_erasure/tuple.hpp</a>> 34 35</span><span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> Concept<span class="special">,</span> <span class="keyword">class</span><span class="special">...</span> T<span class="special">></span> 36<span class="keyword">class</span> <a class="link" href="tuple.html" title="Class template tuple">tuple</a> <span class="special">{</span> 37<span class="keyword">public</span><span class="special">:</span> 38 <span class="comment">// <a class="link" href="tuple.html#boost.type_erasure.tupleconstruct-copy-destruct">construct/copy/destruct</a></span> 39 <span class="keyword">template</span><span class="special"><</span><span class="keyword">class</span><span class="special">...</span> U<span class="special">></span> <span class="keyword">explicit</span> <a class="link" href="tuple.html#id-1_3_41_13_34_1_1_1_4-bb"><span class="identifier">tuple</span></a><span class="special">(</span><span class="identifier">U</span> <span class="special">&&</span><span class="special">...</span><span class="special">)</span><span class="special">;</span> 40<span class="special">}</span><span class="special">;</span></pre></div> 41<div class="refsect1"> 42<a name="id-1.3.41.13.35.3.4"></a><h2>Description</h2> 43<p><a class="link" href="tuple.html" title="Class template tuple">tuple</a> is a Boost.Fusion Random Access Sequence containing <a class="link" href="any.html" title="Class template any">anys</a>. <code class="computeroutput">Concept</code> specifies the <a class="link" href="../../boost_typeerasure/conceptdef.html" title="Concept Definitions">Concept</a> for each of the elements. The remaining arguments must be (possibly const and/or reference qualified) placeholders, which are the <a class="link" href="placeholder.html" title="Struct placeholder">placeholders</a> of the elements. </p> 44<div class="refsect2"> 45<a name="id-1.3.41.13.35.3.4.3"></a><h3> 46<a name="boost.type_erasure.tupleconstruct-copy-destruct"></a><code class="computeroutput">tuple</code> 47 public 48 construct/copy/destruct</h3> 49<div class="orderedlist"><ol class="orderedlist" type="1"><li class="listitem"> 50<pre class="literallayout"><span class="keyword">template</span><span class="special"><</span><span class="keyword">class</span><span class="special">...</span> U<span class="special">></span> <span class="keyword">explicit</span> <a name="id-1_3_41_13_34_1_1_1_4-bb"></a><span class="identifier">tuple</span><span class="special">(</span><span class="identifier">U</span> <span class="special">&&</span><span class="special">...</span> args<span class="special">)</span><span class="special">;</span></pre> 51<p>Constructs a tuple. Each element of <code class="computeroutput">args</code> will be used to initialize the corresponding <code class="computeroutput"><a class="link" href="any.html" title="Class template any">any</a></code> member. The <code class="computeroutput"><a class="link" href="binding.html" title="Class template binding">binding</a></code> for the tuple elements is determined by mapping the placeholders in <code class="computeroutput">T</code> to the corresponding types in <code class="computeroutput">U</code>. </p> 52</li></ol></div> 53</div> 54</div> 55</div> 56<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> 57<td align="left"></td> 58<td align="right"><div class="copyright-footer">Copyright © 2011-2013 Steven Watanabe<p> 59 Distributed under the Boost Software License, Version 1.0. (See accompanying 60 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>) 61 </p> 62</div></td> 63</tr></table> 64<hr> 65<div class="spirit-nav"> 66<a accesskey="p" href="make_binding.html"><img src="../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../../boost_typeerasure/reference.html#header.boost.type_erasure.tuple_hpp"><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="get.html"><img src="../../../../doc/src/images/next.png" alt="Next"></a> 67</div> 68</body> 69</html> 70
