1<html> 2<head> 3<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 4<title>in</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="../i_o.html" title="I/O"> 9<link rel="prev" href="../i_o.html" title="I/O"> 10<link rel="next" href="out.html" title="out"> 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="../i_o.html"><img src="../../../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../i_o.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="out.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.sequence.operator.i_o.in"></a><a class="link" href="in.html" title="in">in</a> 28</h5></div></div></div> 29<h6> 30<a name="fusion.sequence.operator.i_o.in.h0"></a> 31 <span class="phrase"><a name="fusion.sequence.operator.i_o.in.description"></a></span><a class="link" href="in.html#fusion.sequence.operator.i_o.in.description">Description</a> 32 </h6> 33<p> 34 Read a <a class="link" href="../../../sequence.html" title="Sequence">Sequence</a> from an input 35 stream. 36 </p> 37<h6> 38<a name="fusion.sequence.operator.i_o.in.h1"></a> 39 <span class="phrase"><a name="fusion.sequence.operator.i_o.in.synopsis"></a></span><a class="link" href="in.html#fusion.sequence.operator.i_o.in.synopsis">Synopsis</a> 40 </h6> 41<pre class="programlisting"><span class="keyword">template</span> <span class="special"><</span><span class="keyword">typename</span> <span class="identifier">IStream</span><span class="special">,</span> <span class="keyword">typename</span> <span class="identifier">Sequence</span><span class="special">></span> 42<span class="identifier">IStream</span><span class="special">&</span> 43<span class="keyword">operator</span><span class="special">>>(</span><span class="identifier">IStream</span><span class="special">&</span> <span class="identifier">is</span><span class="special">,</span> <span class="identifier">Sequence</span><span class="special">&</span> <span class="identifier">seq</span><span class="special">);</span> 44</pre> 45<h6> 46<a name="fusion.sequence.operator.i_o.in.h2"></a> 47 <span class="phrase"><a name="fusion.sequence.operator.i_o.in.parameters"></a></span><a class="link" href="in.html#fusion.sequence.operator.i_o.in.parameters">Parameters</a> 48 </h6> 49<div class="informaltable"><table class="table"> 50<colgroup> 51<col> 52<col> 53<col> 54</colgroup> 55<thead><tr> 56<th> 57 <p> 58 Parameter 59 </p> 60 </th> 61<th> 62 <p> 63 Requirement 64 </p> 65 </th> 66<th> 67 <p> 68 Description 69 </p> 70 </th> 71</tr></thead> 72<tbody> 73<tr> 74<td> 75 <p> 76 is 77 </p> 78 </td> 79<td> 80 <p> 81 An input stream. 82 </p> 83 </td> 84<td> 85 <p> 86 Stream to extract information from. 87 </p> 88 </td> 89</tr> 90<tr> 91<td> 92 <p> 93 seq 94 </p> 95 </td> 96<td> 97 <p> 98 A <a class="link" href="../../../sequence.html" title="Sequence">Sequence</a>. 99 </p> 100 </td> 101<td> 102 <p> 103 The sequence to read. 104 </p> 105 </td> 106</tr> 107</tbody> 108</table></div> 109<h6> 110<a name="fusion.sequence.operator.i_o.in.h3"></a> 111 <span class="phrase"><a name="fusion.sequence.operator.i_o.in.expression_semantics"></a></span><a class="link" href="in.html#fusion.sequence.operator.i_o.in.expression_semantics">Expression 112 Semantics</a> 113 </h6> 114<pre class="programlisting"><span class="identifier">is</span> <span class="special">>></span> <span class="identifier">seq</span> 115</pre> 116<p> 117 <span class="bold"><strong>Return type</strong></span>: IStream& 118 </p> 119<p> 120 <span class="bold"><strong>Semantics</strong></span>: For each element, <code class="computeroutput"><span class="identifier">e</span></code>, in sequence, <code class="computeroutput"><span class="identifier">seq</span></code>, 121 call <code class="computeroutput"><span class="identifier">is</span> <span class="special">>></span> 122 <span class="identifier">e</span></code>. 123 </p> 124<h6> 125<a name="fusion.sequence.operator.i_o.in.h4"></a> 126 <span class="phrase"><a name="fusion.sequence.operator.i_o.in.header"></a></span><a class="link" href="in.html#fusion.sequence.operator.i_o.in.header">Header</a> 127 </h6> 128<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">sequence</span><span class="special">/</span><span class="identifier">io</span><span class="special">/</span><span class="identifier">in</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span> 129<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">in</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span> 130</pre> 131<h6> 132<a name="fusion.sequence.operator.i_o.in.h5"></a> 133 <span class="phrase"><a name="fusion.sequence.operator.i_o.in.example"></a></span><a class="link" href="in.html#fusion.sequence.operator.i_o.in.example">Example</a> 134 </h6> 135<pre class="programlisting"><a class="link" href="../../../container/vector.html" title="vector"><code class="computeroutput"><span class="identifier">vector</span></code></a><span class="special"><</span><span class="keyword">int</span><span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span><span class="special">,</span> <span class="keyword">char</span><span class="special">></span> <span class="identifier">v</span><span class="special">;</span> 136<span class="identifier">std</span><span class="special">::</span><span class="identifier">cin</span> <span class="special">>></span> <span class="identifier">v</span><span class="special">;</span> 137</pre> 138</div> 139<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> 140<td align="left"></td> 141<td align="right"><div class="copyright-footer">Copyright © 2001-2006, 2011, 2012 Joel de Guzman, 142 Dan Marsden, Tobias Schwinger<p> 143 Distributed under the Boost Software License, Version 1.0. (See accompanying 144 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>) 145 </p> 146</div></td> 147</tr></table> 148<hr> 149<div class="spirit-nav"> 150<a accesskey="p" href="../i_o.html"><img src="../../../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../i_o.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="out.html"><img src="../../../../../../../../doc/src/images/next.png" alt="Next"></a> 151</div> 152</body> 153</html> 154
