1<?xml version="1.0" encoding="utf-8" ?> 2<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 3<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"> 4<head> 5<meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> 6<meta name="generator" content="Docutils 0.7: http://docutils.sourceforge.net/" /> 7<title>The MPL Reference Manual: joint_view</title> 8<link rel="stylesheet" href="../style.css" type="text/css" /> 9</head> 10<body class="docframe refmanual"> 11<table class="header"><tr class="header"><td class="header-group navigation-bar"><span class="navigation-group"><a href="./iterator-range.html" class="navigation-link">Prev</a> <a href="./single-view.html" class="navigation-link">Next</a></span><span class="navigation-group-separator"> | </span><span class="navigation-group"><a href="./iterator-range.html" class="navigation-link">Back</a> <a href="./single-view.html" class="navigation-link">Along</a></span><span class="navigation-group-separator"> | </span><span class="navigation-group"><a href="./views.html" class="navigation-link">Up</a> <a href="../refmanual.html" class="navigation-link">Home</a></span><span class="navigation-group-separator"> | </span><span class="navigation-group"><a href="./refmanual_toc.html" class="navigation-link">Full TOC</a></span></td> 12<td class="header-group page-location"><a href="../refmanual.html" class="navigation-link">Front Page</a> / <a href="./sequences.html" class="navigation-link">Sequences</a> / <a href="./views.html" class="navigation-link">Views</a> / <a href="./joint-view.html" class="navigation-link">joint_view</a></td> 13</tr></table><div class="header-separator"></div> 14<div class="section" id="joint-view"> 15<h1><a class="toc-backref" href="./views.html#id1420">joint_view</a></h1> 16<div class="section" id="id143"> 17<h3><a class="subsection-title" href="#synopsis" name="synopsis">Synopsis</a></h3> 18<pre class="literal-block"> 19template< 20 typename Sequence1 21 , typename Sequence2 22 > 23struct <a href="./joint-view.html" class="identifier">joint_view</a> 24{ 25 // <em>unspecified</em> 26 // <em>...</em> 27}; 28</pre> 29</div> 30<div class="section" id="id144"> 31<h3><a class="subsection-title" href="#description" name="description">Description</a></h3> 32<p>A view into the sequence of elements formed by concatenating <tt class="literal"><span class="pre">Sequence1</span></tt> 33and <tt class="literal"><span class="pre">Sequence2</span></tt> elements.</p> 34</div> 35<div class="section" id="id145"> 36<h3><a class="subsection-title" href="#header" name="header">Header</a></h3> 37<pre class="literal-block"> 38#include <<a href="../../../../boost/mpl/joint_view.hpp" class="header">boost/mpl/joint_view.hpp</a>> 39</pre> 40</div> 41<div class="section" id="id146"> 42<h3><a class="subsection-title" href="#model-of" name="model-of">Model of</a></h3> 43<ul class="simple"> 44<li><a class="reference internal" href="./forward-sequence.html">Forward Sequence</a></li> 45</ul> 46</div> 47<div class="section" id="id147"> 48<h3><a class="subsection-title" href="#parameters" name="parameters">Parameters</a></h3> 49<table border="1" class="docutils table"> 50<colgroup> 51<col width="27%" /> 52<col width="32%" /> 53<col width="41%" /> 54</colgroup> 55<thead valign="bottom"> 56<tr><th class="head">Parameter</th> 57<th class="head">Requirement</th> 58<th class="head">Description</th> 59</tr> 60</thead> 61<tbody valign="top"> 62<tr><td><tt class="literal"><span class="pre">Sequence1</span></tt>, 63<tt class="literal"><span class="pre">Sequence2</span></tt></td> 64<td><a class="reference internal" href="./forward-sequence.html">Forward Sequence</a></td> 65<td>Sequences to create a view on.</td> 66</tr> 67</tbody> 68</table> 69</div> 70<div class="section" id="id148"> 71<h3><a class="subsection-title" href="#expression-semantics" name="expression-semantics">Expression semantics</a></h3> 72<p>The semantics of an expression are defined only 73where they differ from, or are not defined in <a class="reference internal" href="./forward-sequence.html">Forward Sequence</a>.</p> 74<p>In the following table, <tt class="literal"><span class="pre">v</span></tt> is an instance of <tt class="literal"><span class="pre"><a href="./joint-view.html" class="identifier">joint_view</a></span></tt>, <tt class="literal"><span class="pre">s1</span></tt> and <tt class="literal"><span class="pre">s2</span></tt> are arbitrary 75<a class="reference internal" href="./forward-sequence.html">Forward Sequence</a>s.</p> 76<table border="1" class="docutils table"> 77<colgroup> 78<col width="34%" /> 79<col width="66%" /> 80</colgroup> 81<thead valign="bottom"> 82<tr><th class="head">Expression</th> 83<th class="head">Semantics</th> 84</tr> 85</thead> 86<tbody valign="top"> 87<tr><td><pre class="first last literal-block"> 88<a href="./joint-view.html" class="identifier">joint_view</a><s1,s2> 89<a href="./joint-view.html" class="identifier">joint_view</a><s1,s2>::type 90</pre> 91</td> 92<td>A lazy <a class="reference internal" href="./forward-sequence.html">Forward Sequence</a> of all the elements in the 93ranges [<tt class="literal"><span class="pre"><a href="./begin.html" class="identifier">begin</a><s1>::type</span></tt>, <tt class="literal"><span class="pre"><a href="./end.html" class="identifier">end</a><s1>::type</span></tt>), [<tt class="literal"><span class="pre"><a href="./begin.html" class="identifier">begin</a><s2>::type</span></tt>, <tt class="literal"><span class="pre"><a href="./end.html" class="identifier">end</a><s2>::type</span></tt>).</td> 94</tr> 95<tr><td><tt class="literal"><span class="pre"><a href="./size.html" class="identifier">size</a><v>::type</span></tt></td> 96<td>The size of <tt class="literal"><span class="pre">v</span></tt>; 97<tt class="literal"><span class="pre"><a href="./size.html" class="identifier">size</a><v>::value</span> <span class="pre">==</span> <span class="pre"><a href="./size.html" class="identifier">size</a><s1>::value</span> <span class="pre">+</span> <span class="pre"><a href="./size.html" class="identifier">size</a><s2>::value</span></tt>; 98linear complexity; see <a class="reference internal" href="./forward-sequence.html">Forward Sequence</a>.</td> 99</tr> 100</tbody> 101</table> 102</div> 103<div class="section" id="id149"> 104<h3><a class="subsection-title" href="#example" name="example">Example</a></h3> 105<pre class="literal-block"> 106typedef <a href="./joint-view.html" class="identifier">joint_view</a>< 107 <a href="./range-c.html" class="identifier">range_c</a><int,0,10> 108 , <a href="./range-c.html" class="identifier">range_c</a><int,10,15> 109 > numbers; 110 111<a href="./assert.html" class="identifier">BOOST_MPL_ASSERT</a>(( <a href="./equal.html" class="identifier">equal</a>< numbers, <a href="./range-c.html" class="identifier">range_c</a><int,0,15> > )); 112</pre> 113</div> 114<div class="section" id="id150"> 115<h3><a class="subsection-title" href="#see-also" name="see-also">See also</a></h3> 116<p><a class="reference internal" href="./sequences.html">Sequences</a>, <a class="reference internal" href="./views.html">Views</a>, <a class="reference internal" href="./filter-view.html">filter_view</a>, <a class="reference internal" href="./transform-view.html">transform_view</a>, <a class="reference internal" href="./zip-view.html">zip_view</a>, <a class="reference internal" href="./iterator-range.html">iterator_range</a></p> 117<!-- Sequences/Views//single_view --> 118</div> 119</div> 120 121<div class="footer-separator"></div> 122<table class="footer"><tr class="footer"><td class="header-group navigation-bar"><span class="navigation-group"><a href="./iterator-range.html" class="navigation-link">Prev</a> <a href="./single-view.html" class="navigation-link">Next</a></span><span class="navigation-group-separator"> | </span><span class="navigation-group"><a href="./iterator-range.html" class="navigation-link">Back</a> <a href="./single-view.html" class="navigation-link">Along</a></span><span class="navigation-group-separator"> | </span><span class="navigation-group"><a href="./views.html" class="navigation-link">Up</a> <a href="../refmanual.html" class="navigation-link">Home</a></span><span class="navigation-group-separator"> | </span><span class="navigation-group"><a href="./refmanual_toc.html" class="navigation-link">Full TOC</a></span></td> 123<td><div class="copyright-footer"><div class="copyright">Copyright © 2001-2009 Aleksey Gurtovoy and David Abrahams</div> 124Distributed under the Boost Software License, Version 1.0. (See accompanying 125file LICENSE_1_0.txt or copy at <a class="reference external" href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)</div></td></tr></table></body> 126</html> 127