1<html> 2<head> 3<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 4<title>basic_static_string::subview</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="Boost.StaticString"> 8<link rel="up" href="../boost__static_strings__basic_static_string.html" title="basic_static_string"> 9<link rel="prev" href="substr.html" title="basic_static_string::substr"> 10<link rel="next" href="copy.html" title="basic_static_string::copy"> 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="substr.html"><img src="../../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../boost__static_strings__basic_static_string.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="copy.html"><img src="../../../../../../../doc/src/images/next.png" alt="Next"></a> 24</div> 25<div class="section"> 26<div class="titlepage"><div><div><h4 class="title"> 27<a name="static_string.ref.boost__static_strings__basic_static_string.subview"></a><a class="link" href="subview.html" title="basic_static_string::subview">basic_static_string::subview</a> 28</h4></div></div></div> 29<p> 30 <a class="indexterm" name="idm45714125843584"></a> 31 </p> 32<p> 33 Return a string view of a substring. 34 </p> 35<h6> 36<a name="static_string.ref.boost__static_strings__basic_static_string.subview.h0"></a> 37 <span class="phrase"><a name="static_string.ref.boost__static_strings__basic_static_string.subview.synopsis"></a></span><a class="link" href="subview.html#static_string.ref.boost__static_strings__basic_static_string.subview.synopsis">Synopsis</a> 38 </h6> 39<pre class="programlisting"><span class="keyword">constexpr</span> <span class="identifier">string_view_type</span> 40<span class="identifier">subview</span><span class="special">(</span> 41 <span class="identifier">size_type</span> <span class="identifier">pos</span> <span class="special">=</span> <span class="number">0</span><span class="special">,</span> 42 <span class="identifier">size_type</span> <span class="identifier">count</span> <span class="special">=</span> <a class="link" href="npos.html" title="basic_static_string::npos">npos</a><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span> 43</pre> 44<h6> 45<a name="static_string.ref.boost__static_strings__basic_static_string.subview.h1"></a> 46 <span class="phrase"><a name="static_string.ref.boost__static_strings__basic_static_string.subview.description"></a></span><a class="link" href="subview.html#static_string.ref.boost__static_strings__basic_static_string.subview.description">Description</a> 47 </h6> 48<p> 49 Returns a view of a substring. 50 </p> 51<h6> 52<a name="static_string.ref.boost__static_strings__basic_static_string.subview.h2"></a> 53 <span class="phrase"><a name="static_string.ref.boost__static_strings__basic_static_string.subview.exception_safety"></a></span><a class="link" href="subview.html#static_string.ref.boost__static_strings__basic_static_string.subview.exception_safety">Exception 54 Safety</a> 55 </h6> 56<p> 57 Strong guarantee. 58 </p> 59<h6> 60<a name="static_string.ref.boost__static_strings__basic_static_string.subview.h3"></a> 61 <span class="phrase"><a name="static_string.ref.boost__static_strings__basic_static_string.subview.return_value"></a></span><a class="link" href="subview.html#static_string.ref.boost__static_strings__basic_static_string.subview.return_value">Return 62 Value</a> 63 </h6> 64<p> 65 A <code class="computeroutput"><span class="identifier">string_view_type</span></code> object 66 referring to {<a class="link" href="data/overload1.html" title="basic_static_string::data (1 of 2 overloads)"><code class="computeroutput"><span class="identifier">data</span><span class="special">()</span></code></a> 67 + pos, std::min(count, <a class="link" href="size.html" title="basic_static_string::size"><code class="computeroutput"><span class="identifier">size</span><span class="special">()</span></code></a> 68 - pos)). 69 </p> 70<h6> 71<a name="static_string.ref.boost__static_strings__basic_static_string.subview.h4"></a> 72 <span class="phrase"><a name="static_string.ref.boost__static_strings__basic_static_string.subview.parameters"></a></span><a class="link" href="subview.html#static_string.ref.boost__static_strings__basic_static_string.subview.parameters">Parameters</a> 73 </h6> 74<div class="informaltable"><table class="table"> 75<colgroup> 76<col> 77<col> 78</colgroup> 79<thead><tr> 80<th> 81 <p> 82 Name 83 </p> 84 </th> 85<th> 86 <p> 87 Description 88 </p> 89 </th> 90</tr></thead> 91<tbody> 92<tr> 93<td> 94 <p> 95 <code class="computeroutput"><span class="identifier">pos</span></code> 96 </p> 97 </td> 98<td> 99 <p> 100 The index to being the substring at. The default arugment for 101 this parameter is <code class="computeroutput"><span class="number">0</span></code>. 102 </p> 103 </td> 104</tr> 105<tr> 106<td> 107 <p> 108 <code class="computeroutput"><span class="identifier">count</span></code> 109 </p> 110 </td> 111<td> 112 <p> 113 The length of the substring. The default arugment for this parameter 114 is <a class="link" href="npos.html" title="basic_static_string::npos"><code class="computeroutput"><span class="identifier">npos</span></code></a>. 115 </p> 116 </td> 117</tr> 118</tbody> 119</table></div> 120<h6> 121<a name="static_string.ref.boost__static_strings__basic_static_string.subview.h5"></a> 122 <span class="phrase"><a name="static_string.ref.boost__static_strings__basic_static_string.subview.exceptions"></a></span><a class="link" href="subview.html#static_string.ref.boost__static_strings__basic_static_string.subview.exceptions">Exceptions</a> 123 </h6> 124<div class="informaltable"><table class="table"> 125<colgroup> 126<col> 127<col> 128</colgroup> 129<thead><tr> 130<th> 131 <p> 132 Type 133 </p> 134 </th> 135<th> 136 <p> 137 Thrown On 138 </p> 139 </th> 140</tr></thead> 141<tbody><tr> 142<td> 143 <p> 144 <code class="computeroutput"><span class="identifier">std</span><span class="special">::</span><span class="identifier">out_of_range</span></code> 145 </p> 146 </td> 147<td> 148 <p> 149 pos > <a class="link" href="size.html" title="basic_static_string::size"><code class="computeroutput"><span class="identifier">size</span><span class="special">()</span></code></a> 150 </p> 151 </td> 152</tr></tbody> 153</table></div> 154</div> 155<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> 156<td align="left"></td> 157<td align="right"><div class="copyright-footer">Copyright © 2019, 2020 Krystian Stasiowski<br>Copyright © 2016-2019 Vinnie 158 Falco<p> 159 Distributed under the Boost Software License, Version 1.0. (See accompanying 160 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>) 161 </p> 162</div></td> 163</tr></table> 164<hr> 165<div class="spirit-nav"> 166<a accesskey="p" href="substr.html"><img src="../../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../boost__static_strings__basic_static_string.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="copy.html"><img src="../../../../../../../doc/src/images/next.png" alt="Next"></a> 167</div> 168</body> 169</html> 170
