1<html> 2<head> 3<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 4<title>basic_static_string::rfind (1 of 5 overloads)</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="../rfind.html" title="basic_static_string::rfind"> 9<link rel="prev" href="../rfind.html" title="basic_static_string::rfind"> 10<link rel="next" href="overload2.html" title="basic_static_string::rfind (2 of 5 overloads)"> 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 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name="static_string.ref.boost__static_strings__basic_static_string.rfind.overload1"></a><a class="link" href="overload1.html" title="basic_static_string::rfind (1 of 5 overloads)">basic_static_string::rfind 28 (1 of 5 overloads)</a> 29</h5></div></div></div> 30<p> 31 Find the last occurrence of a string within the string. 32 </p> 33<h6> 34<a name="static_string.ref.boost__static_strings__basic_static_string.rfind.overload1.h0"></a> 35 <span class="phrase"><a name="static_string.ref.boost__static_strings__basic_static_string.rfind.overload1.synopsis"></a></span><a class="link" href="overload1.html#static_string.ref.boost__static_strings__basic_static_string.rfind.overload1.synopsis">Synopsis</a> 36 </h6> 37<pre class="programlisting"><span class="keyword">template</span><span class="special"><</span> 38 <span class="special">[</span><span class="identifier">role</span> <span class="identifier">red</span> <span class="identifier">error</span><span class="special">.</span><span class="identifier">param</span> <span class="identifier">neither</span> <span class="identifier">has</span> <span class="identifier">a</span> <span class="identifier">declname</span> <span class="identifier">nor</span> <span class="identifier">a</span> <span class="char">'class '</span> <span class="identifier">prefix</span> <span class="identifier">in</span> <span class="identifier">the</span> <span class="identifier">type</span><span class="special">][</span><span class="identifier">role</span> <span class="identifier">red</span> <span class="identifier">error</span><span class="special">.</span><span class="identifier">param</span> <span class="identifier">neither</span> <span class="identifier">has</span> <span class="identifier">a</span> <span class="identifier">declname</span> <span class="identifier">nor</span> <span class="identifier">a</span> <span class="char">'class '</span> <span class="identifier">prefix</span> <span class="identifier">in</span> <span class="identifier">the</span> <span class="identifier">type</span><span class="special">][</span><span class="identifier">role</span> <span class="identifier">red</span> <span class="identifier">error</span><span class="special">.</span><span class="identifier">param</span> <span class="identifier">neither</span> <span class="identifier">has</span> <span class="identifier">a</span> <span class="identifier">declname</span> <span class="identifier">nor</span> <span class="identifier">a</span> <span class="char">'class '</span> <span class="identifier">prefix</span> <span class="identifier">in</span> <span class="identifier">the</span> <span class="identifier">type</span><span class="special">][</span><span class="identifier">role</span> <span class="identifier">red</span> <span class="identifier">error</span><span class="special">.</span><span class="identifier">param</span> <span class="identifier">neither</span> <span class="identifier">has</span> <span class="identifier">a</span> <span class="identifier">declname</span> <span class="identifier">nor</span> <span class="identifier">a</span> <span class="char">'class '</span> <span class="identifier">prefix</span> <span class="identifier">in</span> <span class="identifier">the</span> <span class="identifier">type</span><span class="special">]></span> 39<span class="keyword">constexpr</span> <span class="identifier">size_type</span> 40<span class="identifier">rfind</span><span class="special">(</span> 41 <span class="keyword">const</span> <span class="identifier">T</span><span class="special">&</span> <span class="identifier">t</span><span class="special">,</span> 42 <span class="identifier">size_type</span> <span class="identifier">pos</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.rfind.overload1.h1"></a> 46 <span class="phrase"><a name="static_string.ref.boost__static_strings__basic_static_string.rfind.overload1.description"></a></span><a class="link" href="overload1.html#static_string.ref.boost__static_strings__basic_static_string.rfind.overload1.description">Description</a> 47 </h6> 48<p> 49 Constructs a temporary <code class="computeroutput"><span class="identifier">string_view_type</span></code> 50 object <code class="computeroutput"><span class="identifier">sv</span></code> from <code class="computeroutput"><span class="identifier">t</span></code>, and finds the last occurrence of 51 <code class="computeroutput"><span class="identifier">sv</span></code> within the string 52 starting before or at the index <code class="computeroutput"><span class="identifier">pos</span></code>. 53 </p> 54<h6> 55<a name="static_string.ref.boost__static_strings__basic_static_string.rfind.overload1.h2"></a> 56 <span class="phrase"><a name="static_string.ref.boost__static_strings__basic_static_string.rfind.overload1.complexity"></a></span><a class="link" href="overload1.html#static_string.ref.boost__static_strings__basic_static_string.rfind.overload1.complexity">Complexity</a> 57 </h6> 58<p> 59 Linear. 60 </p> 61<h6> 62<a name="static_string.ref.boost__static_strings__basic_static_string.rfind.overload1.h3"></a> 63 <span class="phrase"><a name="static_string.ref.boost__static_strings__basic_static_string.rfind.overload1.template_parameters"></a></span><a class="link" href="overload1.html#static_string.ref.boost__static_strings__basic_static_string.rfind.overload1.template_parameters">Template 64 Parameters</a> 65 </h6> 66<div class="informaltable"><table class="table"> 67<colgroup> 68<col> 69<col> 70</colgroup> 71<thead><tr> 72<th> 73 <p> 74 Type 75 </p> 76 </th> 77<th> 78 <p> 79 Description 80 </p> 81 </th> 82</tr></thead> 83<tbody><tr> 84<td> 85 <p> 86 <code class="computeroutput"><span class="identifier">T</span></code> 87 </p> 88 </td> 89<td> 90 <p> 91 The type of the object to convert. 92 </p> 93 </td> 94</tr></tbody> 95</table></div> 96<h6> 97<a name="static_string.ref.boost__static_strings__basic_static_string.rfind.overload1.h4"></a> 98 <span class="phrase"><a name="static_string.ref.boost__static_strings__basic_static_string.rfind.overload1.constraints"></a></span><a class="link" href="overload1.html#static_string.ref.boost__static_strings__basic_static_string.rfind.overload1.constraints">Constraints</a> 99 </h6> 100<p> 101 <code class="computeroutput"><span class="identifier">std</span><span class="special">::</span><span class="identifier">is_convertible</span><span class="special"><</span><span class="keyword">const</span> <span class="identifier">T</span><span class="special">&,</span> <span class="identifier">string_view</span><span class="special">>::</span><span class="identifier">value</span> 102 <span class="special">&&</span> <span class="special">!</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">is_convertible</span><span class="special"><</span><span class="keyword">const</span> <span class="identifier">T</span><span class="special">&,</span> <span class="keyword">const</span> 103 <span class="identifier">CharT</span><span class="special">*>::</span><span class="identifier">value</span></code>. 104 </p> 105<h6> 106<a name="static_string.ref.boost__static_strings__basic_static_string.rfind.overload1.h5"></a> 107 <span class="phrase"><a name="static_string.ref.boost__static_strings__basic_static_string.rfind.overload1.return_value"></a></span><a class="link" href="overload1.html#static_string.ref.boost__static_strings__basic_static_string.rfind.overload1.return_value">Return 108 Value</a> 109 </h6> 110<p> 111 The highest index <code class="computeroutput"><span class="identifier">idx</span></code> 112 less than or equal to <code class="computeroutput"><span class="identifier">pos</span></code> 113 where each element of <code class="computeroutput"><span class="special">{</span><span class="identifier">sv</span><span class="special">.</span><span class="identifier">begin</span><span class="special">(),</span> 114 <span class="identifier">sv</span><span class="special">.</span><span class="identifier">end</span><span class="special">())</span></code> 115 is equal to that of {<a class="link" href="../begin/overload1.html" title="basic_static_string::begin (1 of 2 overloads)"><code class="computeroutput"><span class="identifier">begin</span><span class="special">()</span></code></a> 116 + idx, <a class="link" href="../begin/overload1.html" title="basic_static_string::begin (1 of 2 overloads)"><code class="computeroutput"><span class="identifier">begin</span><span class="special">()</span></code></a> 117 + idx + count) if one exists, and <a class="link" href="../npos.html" title="basic_static_string::npos"><code class="computeroutput"><span class="identifier">npos</span></code></a> otherwise. 118 </p> 119<h6> 120<a name="static_string.ref.boost__static_strings__basic_static_string.rfind.overload1.h6"></a> 121 <span class="phrase"><a name="static_string.ref.boost__static_strings__basic_static_string.rfind.overload1.parameters"></a></span><a class="link" href="overload1.html#static_string.ref.boost__static_strings__basic_static_string.rfind.overload1.parameters">Parameters</a> 122 </h6> 123<div class="informaltable"><table class="table"> 124<colgroup> 125<col> 126<col> 127</colgroup> 128<thead><tr> 129<th> 130 <p> 131 Name 132 </p> 133 </th> 134<th> 135 <p> 136 Description 137 </p> 138 </th> 139</tr></thead> 140<tbody> 141<tr> 142<td> 143 <p> 144 <code class="computeroutput"><span class="identifier">t</span></code> 145 </p> 146 </td> 147<td> 148 <p> 149 The string to search for. 150 </p> 151 </td> 152</tr> 153<tr> 154<td> 155 <p> 156 <code class="computeroutput"><span class="identifier">pos</span></code> 157 </p> 158 </td> 159<td> 160 <p> 161 The index to start searching at. The default argument for this 162 parameter is <a class="link" href="../npos.html" title="basic_static_string::npos"><code class="computeroutput"><span class="identifier">npos</span></code></a>. 163 </p> 164 </td> 165</tr> 166</tbody> 167</table></div> 168</div> 169<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> 170<td align="left"></td> 171<td align="right"><div class="copyright-footer">Copyright © 2019, 2020 Krystian Stasiowski<br>Copyright © 2016-2019 Vinnie 172 Falco<p> 173 Distributed under the Boost Software License, Version 1.0. (See accompanying 174 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>) 175 </p> 176</div></td> 177</tr></table> 178<hr> 179<div class="spirit-nav"> 180<a accesskey="p" href="../rfind.html"><img src="../../../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../rfind.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="overload2.html"><img src="../../../../../../../../doc/src/images/next.png" alt="Next"></a> 181</div> 182</body> 183</html> 184
