1<html> 2<head> 3<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 4<title>basic_static_string::compare (7 of 9 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="../compare.html" title="basic_static_string::compare"> 9<link rel="prev" href="overload6.html" title="basic_static_string::compare (6 of 9 overloads)"> 10<link rel="next" href="overload8.html" title="basic_static_string::compare (8 of 9 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> 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name="static_string.ref.boost__static_strings__basic_static_string.compare.overload7"></a><a class="link" href="overload7.html" title="basic_static_string::compare (7 of 9 overloads)">basic_static_string::compare 28 (7 of 9 overloads)</a> 29</h5></div></div></div> 30<p> 31 Compare a string with the string. 32 </p> 33<h6> 34<a name="static_string.ref.boost__static_strings__basic_static_string.compare.overload7.h0"></a> 35 <span class="phrase"><a name="static_string.ref.boost__static_strings__basic_static_string.compare.overload7.synopsis"></a></span><a class="link" href="overload7.html#static_string.ref.boost__static_strings__basic_static_string.compare.overload7.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="keyword">int</span> 40<span class="identifier">compare</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> <span class="keyword">const</span><span class="special">;</span> 42</pre> 43<h6> 44<a name="static_string.ref.boost__static_strings__basic_static_string.compare.overload7.h1"></a> 45 <span class="phrase"><a name="static_string.ref.boost__static_strings__basic_static_string.compare.overload7.description"></a></span><a class="link" href="overload7.html#static_string.ref.boost__static_strings__basic_static_string.compare.overload7.description">Description</a> 46 </h6> 47<p> 48 Let <code class="computeroutput"><span class="identifier">s</span></code> be <code class="computeroutput"><span class="identifier">string_view_type</span><span class="special">(</span><span class="identifier">t</span><span class="special">)</span></code> 49 and <code class="computeroutput"><span class="identifier">comp</span></code> be traits_type::compare(<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>, 50 s.data(), std::min(<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>, 51 s.size()). If <code class="computeroutput"><span class="identifier">comp</span> <span class="special">!=</span> 52 <span class="number">0</span></code>, then the result is <code class="computeroutput"><span class="identifier">comp</span></code>. Otherwise, the result is <code class="computeroutput"><span class="number">0</span></code> if <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> 53 == s.size(), <code class="computeroutput"><span class="special">-</span><span class="number">1</span></code> 54 if <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> 55 < s.size(), and <code class="computeroutput"><span class="number">1</span></code> otherwise. 56 </p> 57<h6> 58<a name="static_string.ref.boost__static_strings__basic_static_string.compare.overload7.h2"></a> 59 <span class="phrase"><a name="static_string.ref.boost__static_strings__basic_static_string.compare.overload7.complexity"></a></span><a class="link" href="overload7.html#static_string.ref.boost__static_strings__basic_static_string.compare.overload7.complexity">Complexity</a> 60 </h6> 61<p> 62 Linear. 63 </p> 64<h6> 65<a name="static_string.ref.boost__static_strings__basic_static_string.compare.overload7.h3"></a> 66 <span class="phrase"><a name="static_string.ref.boost__static_strings__basic_static_string.compare.overload7.exception_safety"></a></span><a class="link" href="overload7.html#static_string.ref.boost__static_strings__basic_static_string.compare.overload7.exception_safety">Exception 67 Safety</a> 68 </h6> 69<p> 70 Strong guarantee. 71 </p> 72<h6> 73<a name="static_string.ref.boost__static_strings__basic_static_string.compare.overload7.h4"></a> 74 <span class="phrase"><a name="static_string.ref.boost__static_strings__basic_static_string.compare.overload7.template_parameters"></a></span><a class="link" href="overload7.html#static_string.ref.boost__static_strings__basic_static_string.compare.overload7.template_parameters">Template 75 Parameters</a> 76 </h6> 77<div class="informaltable"><table class="table"> 78<colgroup> 79<col> 80<col> 81</colgroup> 82<thead><tr> 83<th> 84 <p> 85 Type 86 </p> 87 </th> 88<th> 89 <p> 90 Description 91 </p> 92 </th> 93</tr></thead> 94<tbody><tr> 95<td> 96 <p> 97 <code class="computeroutput"><span class="identifier">T</span></code> 98 </p> 99 </td> 100<td> 101 <p> 102 The type of the object to convert. 103 </p> 104 </td> 105</tr></tbody> 106</table></div> 107<h6> 108<a name="static_string.ref.boost__static_strings__basic_static_string.compare.overload7.h5"></a> 109 <span class="phrase"><a name="static_string.ref.boost__static_strings__basic_static_string.compare.overload7.constraints"></a></span><a class="link" href="overload7.html#static_string.ref.boost__static_strings__basic_static_string.compare.overload7.constraints">Constraints</a> 110 </h6> 111<pre class="programlisting"><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> <span class="special">&&</span> 112<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="identifier">const_pointer</span><span class="special">>::</span><span class="identifier">value</span><span class="special">.</span> 113</pre> 114<h6> 115<a name="static_string.ref.boost__static_strings__basic_static_string.compare.overload7.h6"></a> 116 <span class="phrase"><a name="static_string.ref.boost__static_strings__basic_static_string.compare.overload7.return_value"></a></span><a class="link" href="overload7.html#static_string.ref.boost__static_strings__basic_static_string.compare.overload7.return_value">Return 117 Value</a> 118 </h6> 119<p> 120 The result of lexicographically comparing <code class="computeroutput"><span class="identifier">s</span></code> 121 and the string. 122 </p> 123<h6> 124<a name="static_string.ref.boost__static_strings__basic_static_string.compare.overload7.h7"></a> 125 <span class="phrase"><a name="static_string.ref.boost__static_strings__basic_static_string.compare.overload7.parameters"></a></span><a class="link" href="overload7.html#static_string.ref.boost__static_strings__basic_static_string.compare.overload7.parameters">Parameters</a> 126 </h6> 127<div class="informaltable"><table class="table"> 128<colgroup> 129<col> 130<col> 131</colgroup> 132<thead><tr> 133<th> 134 <p> 135 Name 136 </p> 137 </th> 138<th> 139 <p> 140 Description 141 </p> 142 </th> 143</tr></thead> 144<tbody><tr> 145<td> 146 <p> 147 <code class="computeroutput"><span class="identifier">t</span></code> 148 </p> 149 </td> 150<td> 151 <p> 152 The string to compare. 153 </p> 154 </td> 155</tr></tbody> 156</table></div> 157</div> 158<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> 159<td align="left"></td> 160<td align="right"><div class="copyright-footer">Copyright © 2019, 2020 Krystian Stasiowski<br>Copyright © 2016-2019 Vinnie 161 Falco<p> 162 Distributed under the Boost Software License, Version 1.0. (See accompanying 163 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>) 164 </p> 165</div></td> 166</tr></table> 167<hr> 168<div class="spirit-nav"> 169<a accesskey="p" href="overload6.html"><img src="../../../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../compare.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="overload8.html"><img src="../../../../../../../../doc/src/images/next.png" alt="Next"></a> 170</div> 171</body> 172</html> 173
