Enhance tests coverage and report output

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2024-04-30 14:00:24 +02:00
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947 changed files with 376596 additions and 3921 deletions

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<td width="10%" class="headerValue"><a href="../../../../index.html">top level</a> - <a href="index.html">/usr/include/c++/13</a> - string_view<span style="font-size: 80%;"> (source / <a href="string_view.func-c.html">functions</a>)</span></td>
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<td width="5%" class="headerCovTableHead">Coverage</td>
<td width="5%" class="headerCovTableHead" title="Covered + Uncovered code">Total</td>
<td width="5%" class="headerCovTableHead" title="Exercised code only">Hit</td>
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<td class="headerItem">Test:</td>
<td class="headerValue">coverage.info</td>
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<td class="headerCovTableEntryHi">100.0&nbsp;%</td>
<td class="headerCovTableEntry">4</td>
<td class="headerCovTableEntry">4</td>
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<td class="headerValue">2024-04-30 13:17:26</td>
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<td class="headerItem">Functions:</td>
<td class="headerCovTableEntryHi">100.0&nbsp;%</td>
<td class="headerCovTableEntry">2</td>
<td class="headerCovTableEntry">2</td>
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<pre class="sourceHeading"> Line data Source code</pre>
<pre class="source">
<span id="L1"><span class="lineNum"> 1</span> : // Components for manipulating non-owning sequences of characters -*- C++ -*-</span>
<span id="L2"><span class="lineNum"> 2</span> : </span>
<span id="L3"><span class="lineNum"> 3</span> : // Copyright (C) 2013-2023 Free Software Foundation, Inc.</span>
<span id="L4"><span class="lineNum"> 4</span> : //</span>
<span id="L5"><span class="lineNum"> 5</span> : // This file is part of the GNU ISO C++ Library. This library is free</span>
<span id="L6"><span class="lineNum"> 6</span> : // software; you can redistribute it and/or modify it under the</span>
<span id="L7"><span class="lineNum"> 7</span> : // terms of the GNU General Public License as published by the</span>
<span id="L8"><span class="lineNum"> 8</span> : // Free Software Foundation; either version 3, or (at your option)</span>
<span id="L9"><span class="lineNum"> 9</span> : // any later version.</span>
<span id="L10"><span class="lineNum"> 10</span> : </span>
<span id="L11"><span class="lineNum"> 11</span> : // This library is distributed in the hope that it will be useful,</span>
<span id="L12"><span class="lineNum"> 12</span> : // but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<span id="L13"><span class="lineNum"> 13</span> : // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span>
<span id="L14"><span class="lineNum"> 14</span> : // GNU General Public License for more details.</span>
<span id="L15"><span class="lineNum"> 15</span> : </span>
<span id="L16"><span class="lineNum"> 16</span> : // Under Section 7 of GPL version 3, you are granted additional</span>
<span id="L17"><span class="lineNum"> 17</span> : // permissions described in the GCC Runtime Library Exception, version</span>
<span id="L18"><span class="lineNum"> 18</span> : // 3.1, as published by the Free Software Foundation.</span>
<span id="L19"><span class="lineNum"> 19</span> : </span>
<span id="L20"><span class="lineNum"> 20</span> : // You should have received a copy of the GNU General Public License and</span>
<span id="L21"><span class="lineNum"> 21</span> : // a copy of the GCC Runtime Library Exception along with this program;</span>
<span id="L22"><span class="lineNum"> 22</span> : // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see</span>
<span id="L23"><span class="lineNum"> 23</span> : // &lt;http://www.gnu.org/licenses/&gt;.</span>
<span id="L24"><span class="lineNum"> 24</span> : </span>
<span id="L25"><span class="lineNum"> 25</span> : /** @file include/string_view</span>
<span id="L26"><span class="lineNum"> 26</span> : * This is a Standard C++ Library header.</span>
<span id="L27"><span class="lineNum"> 27</span> : */</span>
<span id="L28"><span class="lineNum"> 28</span> : </span>
<span id="L29"><span class="lineNum"> 29</span> : //</span>
<span id="L30"><span class="lineNum"> 30</span> : // N3762 basic_string_view library</span>
<span id="L31"><span class="lineNum"> 31</span> : //</span>
<span id="L32"><span class="lineNum"> 32</span> : </span>
<span id="L33"><span class="lineNum"> 33</span> : #ifndef _GLIBCXX_STRING_VIEW</span>
<span id="L34"><span class="lineNum"> 34</span> : #define _GLIBCXX_STRING_VIEW 1</span>
<span id="L35"><span class="lineNum"> 35</span> : </span>
<span id="L36"><span class="lineNum"> 36</span> : #pragma GCC system_header</span>
<span id="L37"><span class="lineNum"> 37</span> : </span>
<span id="L38"><span class="lineNum"> 38</span> : #if __cplusplus &gt;= 201703L</span>
<span id="L39"><span class="lineNum"> 39</span> : </span>
<span id="L40"><span class="lineNum"> 40</span> : #include &lt;bits/char_traits.h&gt;</span>
<span id="L41"><span class="lineNum"> 41</span> : #include &lt;bits/functexcept.h&gt;</span>
<span id="L42"><span class="lineNum"> 42</span> : #include &lt;bits/functional_hash.h&gt;</span>
<span id="L43"><span class="lineNum"> 43</span> : #include &lt;bits/range_access.h&gt;</span>
<span id="L44"><span class="lineNum"> 44</span> : #include &lt;bits/stl_algobase.h&gt;</span>
<span id="L45"><span class="lineNum"> 45</span> : #include &lt;ext/numeric_traits.h&gt;</span>
<span id="L46"><span class="lineNum"> 46</span> : </span>
<span id="L47"><span class="lineNum"> 47</span> : #if __cplusplus &gt;= 202002L</span>
<span id="L48"><span class="lineNum"> 48</span> : # include &lt;bits/ranges_base.h&gt;</span>
<span id="L49"><span class="lineNum"> 49</span> : #endif</span>
<span id="L50"><span class="lineNum"> 50</span> : </span>
<span id="L51"><span class="lineNum"> 51</span> : #if _GLIBCXX_HOSTED</span>
<span id="L52"><span class="lineNum"> 52</span> : # include &lt;iosfwd&gt;</span>
<span id="L53"><span class="lineNum"> 53</span> : # include &lt;bits/ostream_insert.h&gt;</span>
<span id="L54"><span class="lineNum"> 54</span> : #endif</span>
<span id="L55"><span class="lineNum"> 55</span> : </span>
<span id="L56"><span class="lineNum"> 56</span> : namespace std _GLIBCXX_VISIBILITY(default)</span>
<span id="L57"><span class="lineNum"> 57</span> : {</span>
<span id="L58"><span class="lineNum"> 58</span> : _GLIBCXX_BEGIN_NAMESPACE_VERSION</span>
<span id="L59"><span class="lineNum"> 59</span> : </span>
<span id="L60"><span class="lineNum"> 60</span> : #if _GLIBCXX_HOSTED</span>
<span id="L61"><span class="lineNum"> 61</span> : # define __cpp_lib_string_view 201803L</span>
<span id="L62"><span class="lineNum"> 62</span> : #endif</span>
<span id="L63"><span class="lineNum"> 63</span> : </span>
<span id="L64"><span class="lineNum"> 64</span> : #if __cplusplus &gt; 201703L</span>
<span id="L65"><span class="lineNum"> 65</span> : # define __cpp_lib_constexpr_string_view 201811L</span>
<span id="L66"><span class="lineNum"> 66</span> : #endif</span>
<span id="L67"><span class="lineNum"> 67</span> : </span>
<span id="L68"><span class="lineNum"> 68</span> : // Helper for basic_string and basic_string_view members.</span>
<span id="L69"><span class="lineNum"> 69</span> : constexpr size_t</span>
<span id="L70"><span class="lineNum"> 70</span> : __sv_check(size_t __size, size_t __pos, const char* __s)</span>
<span id="L71"><span class="lineNum"> 71</span> : {</span>
<span id="L72"><span class="lineNum"> 72</span> : if (__pos &gt; __size)</span>
<span id="L73"><span class="lineNum"> 73</span> : __throw_out_of_range_fmt(__N(&quot;%s: __pos (which is %zu) &gt; __size &quot;</span>
<span id="L74"><span class="lineNum"> 74</span> : &quot;(which is %zu)&quot;), __s, __pos, __size);</span>
<span id="L75"><span class="lineNum"> 75</span> : return __pos;</span>
<span id="L76"><span class="lineNum"> 76</span> : }</span>
<span id="L77"><span class="lineNum"> 77</span> : </span>
<span id="L78"><span class="lineNum"> 78</span> : // Helper for basic_string members.</span>
<span id="L79"><span class="lineNum"> 79</span> : // NB: __sv_limit doesn't check for a bad __pos value.</span>
<span id="L80"><span class="lineNum"> 80</span> : constexpr size_t</span>
<span id="L81"><span class="lineNum"> 81</span> : __sv_limit(size_t __size, size_t __pos, size_t __off) noexcept</span>
<span id="L82"><span class="lineNum"> 82</span> : {</span>
<span id="L83"><span class="lineNum"> 83</span> : const bool __testoff = __off &lt; __size - __pos;</span>
<span id="L84"><span class="lineNum"> 84</span> : return __testoff ? __off : __size - __pos;</span>
<span id="L85"><span class="lineNum"> 85</span> : }</span>
<span id="L86"><span class="lineNum"> 86</span> : </span>
<span id="L87"><span class="lineNum"> 87</span> : /**</span>
<span id="L88"><span class="lineNum"> 88</span> : * @class basic_string_view &lt;string_view&gt;</span>
<span id="L89"><span class="lineNum"> 89</span> : * @brief A non-owning reference to a string.</span>
<span id="L90"><span class="lineNum"> 90</span> : *</span>
<span id="L91"><span class="lineNum"> 91</span> : * @ingroup strings</span>
<span id="L92"><span class="lineNum"> 92</span> : * @ingroup sequences</span>
<span id="L93"><span class="lineNum"> 93</span> : *</span>
<span id="L94"><span class="lineNum"> 94</span> : * @tparam _CharT Type of character</span>
<span id="L95"><span class="lineNum"> 95</span> : * @tparam _Traits Traits for character type, defaults to</span>
<span id="L96"><span class="lineNum"> 96</span> : * char_traits&lt;_CharT&gt;.</span>
<span id="L97"><span class="lineNum"> 97</span> : *</span>
<span id="L98"><span class="lineNum"> 98</span> : * A basic_string_view looks like this:</span>
<span id="L99"><span class="lineNum"> 99</span> : *</span>
<span id="L100"><span class="lineNum"> 100</span> : * @code</span>
<span id="L101"><span class="lineNum"> 101</span> : * _CharT* _M_str</span>
<span id="L102"><span class="lineNum"> 102</span> : * size_t _M_len</span>
<span id="L103"><span class="lineNum"> 103</span> : * @endcode</span>
<span id="L104"><span class="lineNum"> 104</span> : */</span>
<span id="L105"><span class="lineNum"> 105</span> : template&lt;typename _CharT, typename _Traits = std::char_traits&lt;_CharT&gt;&gt;</span>
<span id="L106"><span class="lineNum"> 106</span> : class basic_string_view</span>
<span id="L107"><span class="lineNum"> 107</span> : {</span>
<span id="L108"><span class="lineNum"> 108</span> : static_assert(!is_array_v&lt;_CharT&gt;);</span>
<span id="L109"><span class="lineNum"> 109</span> : static_assert(is_trivial_v&lt;_CharT&gt; &amp;&amp; is_standard_layout_v&lt;_CharT&gt;);</span>
<span id="L110"><span class="lineNum"> 110</span> : static_assert(is_same_v&lt;_CharT, typename _Traits::char_type&gt;);</span>
<span id="L111"><span class="lineNum"> 111</span> : </span>
<span id="L112"><span class="lineNum"> 112</span> : public:</span>
<span id="L113"><span class="lineNum"> 113</span> : </span>
<span id="L114"><span class="lineNum"> 114</span> : // types</span>
<span id="L115"><span class="lineNum"> 115</span> : using traits_type = _Traits;</span>
<span id="L116"><span class="lineNum"> 116</span> : using value_type = _CharT;</span>
<span id="L117"><span class="lineNum"> 117</span> : using pointer = value_type*;</span>
<span id="L118"><span class="lineNum"> 118</span> : using const_pointer = const value_type*;</span>
<span id="L119"><span class="lineNum"> 119</span> : using reference = value_type&amp;;</span>
<span id="L120"><span class="lineNum"> 120</span> : using const_reference = const value_type&amp;;</span>
<span id="L121"><span class="lineNum"> 121</span> : using const_iterator = const value_type*;</span>
<span id="L122"><span class="lineNum"> 122</span> : using iterator = const_iterator;</span>
<span id="L123"><span class="lineNum"> 123</span> : using const_reverse_iterator = std::reverse_iterator&lt;const_iterator&gt;;</span>
<span id="L124"><span class="lineNum"> 124</span> : using reverse_iterator = const_reverse_iterator;</span>
<span id="L125"><span class="lineNum"> 125</span> : using size_type = size_t;</span>
<span id="L126"><span class="lineNum"> 126</span> : using difference_type = ptrdiff_t;</span>
<span id="L127"><span class="lineNum"> 127</span> : static constexpr size_type npos = size_type(-1);</span>
<span id="L128"><span class="lineNum"> 128</span> : </span>
<span id="L129"><span class="lineNum"> 129</span> : // [string.view.cons], construction and assignment</span>
<span id="L130"><span class="lineNum"> 130</span> : </span>
<span id="L131"><span class="lineNum"> 131</span> : constexpr</span>
<span id="L132"><span class="lineNum"> 132</span> : basic_string_view() noexcept</span>
<span id="L133"><span class="lineNum"> 133</span> : : _M_len{0}, _M_str{nullptr}</span>
<span id="L134"><span class="lineNum"> 134</span> : { }</span>
<span id="L135"><span class="lineNum"> 135</span> : </span>
<span id="L136"><span class="lineNum"> 136</span> : constexpr basic_string_view(const basic_string_view&amp;) noexcept = default;</span>
<span id="L137"><span class="lineNum"> 137</span> : </span>
<span id="L138"><span class="lineNum"> 138</span> : [[__gnu__::__nonnull__]]</span>
<span id="L139"><span class="lineNum"> 139</span> : constexpr</span>
<span id="L140"><span class="lineNum"> 140</span> : basic_string_view(const _CharT* __str) noexcept</span>
<span id="L141"><span class="lineNum"> 141</span> : : _M_len{traits_type::length(__str)},</span>
<span id="L142"><span class="lineNum"> 142</span> : _M_str{__str}</span>
<span id="L143"><span class="lineNum"> 143</span> : { }</span>
<span id="L144"><span class="lineNum"> 144</span> : </span>
<span id="L145"><span class="lineNum"> 145</span> : constexpr</span>
<span id="L146"><span class="lineNum"> 146</span> : basic_string_view(const _CharT* __str, size_type __len) noexcept</span>
<span id="L147"><span class="lineNum"> 147</span> : : _M_len{__len}, _M_str{__str}</span>
<span id="L148"><span class="lineNum"> 148</span> : { }</span>
<span id="L149"><span class="lineNum"> 149</span> : </span>
<span id="L150"><span class="lineNum"> 150</span> : #if __cplusplus &gt;= 202002L &amp;&amp; __cpp_lib_concepts</span>
<span id="L151"><span class="lineNum"> 151</span> : template&lt;contiguous_iterator _It, sized_sentinel_for&lt;_It&gt; _End&gt;</span>
<span id="L152"><span class="lineNum"> 152</span> : requires same_as&lt;iter_value_t&lt;_It&gt;, _CharT&gt;</span>
<span id="L153"><span class="lineNum"> 153</span> : &amp;&amp; (!convertible_to&lt;_End, size_type&gt;)</span>
<span id="L154"><span class="lineNum"> 154</span> : constexpr</span>
<span id="L155"><span class="lineNum"> 155</span> : basic_string_view(_It __first, _End __last)</span>
<span id="L156"><span class="lineNum"> 156</span> : noexcept(noexcept(__last - __first))</span>
<span id="L157"><span class="lineNum"> 157</span> : : _M_len(__last - __first), _M_str(std::to_address(__first))</span>
<span id="L158"><span class="lineNum"> 158</span> : { }</span>
<span id="L159"><span class="lineNum"> 159</span> : </span>
<span id="L160"><span class="lineNum"> 160</span> : #if __cplusplus &gt; 202002L</span>
<span id="L161"><span class="lineNum"> 161</span> : template&lt;typename _Range, typename _DRange = remove_cvref_t&lt;_Range&gt;&gt;</span>
<span id="L162"><span class="lineNum"> 162</span> : requires (!is_same_v&lt;_DRange, basic_string_view&gt;)</span>
<span id="L163"><span class="lineNum"> 163</span> : &amp;&amp; ranges::contiguous_range&lt;_Range&gt;</span>
<span id="L164"><span class="lineNum"> 164</span> : &amp;&amp; ranges::sized_range&lt;_Range&gt;</span>
<span id="L165"><span class="lineNum"> 165</span> : &amp;&amp; is_same_v&lt;ranges::range_value_t&lt;_Range&gt;, _CharT&gt;</span>
<span id="L166"><span class="lineNum"> 166</span> : &amp;&amp; (!is_convertible_v&lt;_Range, const _CharT*&gt;)</span>
<span id="L167"><span class="lineNum"> 167</span> : &amp;&amp; (!requires (_DRange&amp; __d) {</span>
<span id="L168"><span class="lineNum"> 168</span> : __d.operator ::std::basic_string_view&lt;_CharT, _Traits&gt;();</span>
<span id="L169"><span class="lineNum"> 169</span> : })</span>
<span id="L170"><span class="lineNum"> 170</span> : constexpr explicit</span>
<span id="L171"><span class="lineNum"> 171</span> : basic_string_view(_Range&amp;&amp; __r)</span>
<span id="L172"><span class="lineNum"> 172</span> : noexcept(noexcept(ranges::size(__r)) &amp;&amp; noexcept(ranges::data(__r)))</span>
<span id="L173"><span class="lineNum"> 173</span> : : _M_len(ranges::size(__r)), _M_str(ranges::data(__r))</span>
<span id="L174"><span class="lineNum"> 174</span> : { }</span>
<span id="L175"><span class="lineNum"> 175</span> : </span>
<span id="L176"><span class="lineNum"> 176</span> : basic_string_view(nullptr_t) = delete;</span>
<span id="L177"><span class="lineNum"> 177</span> : #endif // C++23</span>
<span id="L178"><span class="lineNum"> 178</span> : #endif // C++20</span>
<span id="L179"><span class="lineNum"> 179</span> : </span>
<span id="L180"><span class="lineNum"> 180</span> : constexpr basic_string_view&amp;</span>
<span id="L181"><span class="lineNum"> 181</span> : operator=(const basic_string_view&amp;) noexcept = default;</span>
<span id="L182"><span class="lineNum"> 182</span> : </span>
<span id="L183"><span class="lineNum"> 183</span> : // [string.view.iterators], iterator support</span>
<span id="L184"><span class="lineNum"> 184</span> : </span>
<span id="L185"><span class="lineNum"> 185</span> : [[nodiscard]]</span>
<span id="L186"><span class="lineNum"> 186</span> : constexpr const_iterator</span>
<span id="L187"><span class="lineNum"> 187</span> <span class="tlaGNC tlaBgGNC"> 228 : begin() const noexcept</span></span>
<span id="L188"><span class="lineNum"> 188</span> <span class="tlaGNC"> 228 : { return this-&gt;_M_str; }</span></span>
<span id="L189"><span class="lineNum"> 189</span> : </span>
<span id="L190"><span class="lineNum"> 190</span> : [[nodiscard]]</span>
<span id="L191"><span class="lineNum"> 191</span> : constexpr const_iterator</span>
<span id="L192"><span class="lineNum"> 192</span> <span class="tlaGNC"> 228 : end() const noexcept</span></span>
<span id="L193"><span class="lineNum"> 193</span> <span class="tlaGNC"> 228 : { return this-&gt;_M_str + this-&gt;_M_len; }</span></span>
<span id="L194"><span class="lineNum"> 194</span> : </span>
<span id="L195"><span class="lineNum"> 195</span> : [[nodiscard]]</span>
<span id="L196"><span class="lineNum"> 196</span> : constexpr const_iterator</span>
<span id="L197"><span class="lineNum"> 197</span> : cbegin() const noexcept</span>
<span id="L198"><span class="lineNum"> 198</span> : { return this-&gt;_M_str; }</span>
<span id="L199"><span class="lineNum"> 199</span> : </span>
<span id="L200"><span class="lineNum"> 200</span> : [[nodiscard]]</span>
<span id="L201"><span class="lineNum"> 201</span> : constexpr const_iterator</span>
<span id="L202"><span class="lineNum"> 202</span> : cend() const noexcept</span>
<span id="L203"><span class="lineNum"> 203</span> : { return this-&gt;_M_str + this-&gt;_M_len; }</span>
<span id="L204"><span class="lineNum"> 204</span> : </span>
<span id="L205"><span class="lineNum"> 205</span> : [[nodiscard]]</span>
<span id="L206"><span class="lineNum"> 206</span> : constexpr const_reverse_iterator</span>
<span id="L207"><span class="lineNum"> 207</span> : rbegin() const noexcept</span>
<span id="L208"><span class="lineNum"> 208</span> : { return const_reverse_iterator(this-&gt;end()); }</span>
<span id="L209"><span class="lineNum"> 209</span> : </span>
<span id="L210"><span class="lineNum"> 210</span> : [[nodiscard]]</span>
<span id="L211"><span class="lineNum"> 211</span> : constexpr const_reverse_iterator</span>
<span id="L212"><span class="lineNum"> 212</span> : rend() const noexcept</span>
<span id="L213"><span class="lineNum"> 213</span> : { return const_reverse_iterator(this-&gt;begin()); }</span>
<span id="L214"><span class="lineNum"> 214</span> : </span>
<span id="L215"><span class="lineNum"> 215</span> : [[nodiscard]]</span>
<span id="L216"><span class="lineNum"> 216</span> : constexpr const_reverse_iterator</span>
<span id="L217"><span class="lineNum"> 217</span> : crbegin() const noexcept</span>
<span id="L218"><span class="lineNum"> 218</span> : { return const_reverse_iterator(this-&gt;end()); }</span>
<span id="L219"><span class="lineNum"> 219</span> : </span>
<span id="L220"><span class="lineNum"> 220</span> : [[nodiscard]]</span>
<span id="L221"><span class="lineNum"> 221</span> : constexpr const_reverse_iterator</span>
<span id="L222"><span class="lineNum"> 222</span> : crend() const noexcept</span>
<span id="L223"><span class="lineNum"> 223</span> : { return const_reverse_iterator(this-&gt;begin()); }</span>
<span id="L224"><span class="lineNum"> 224</span> : </span>
<span id="L225"><span class="lineNum"> 225</span> : // [string.view.capacity], capacity</span>
<span id="L226"><span class="lineNum"> 226</span> : </span>
<span id="L227"><span class="lineNum"> 227</span> : [[nodiscard]]</span>
<span id="L228"><span class="lineNum"> 228</span> : constexpr size_type</span>
<span id="L229"><span class="lineNum"> 229</span> : size() const noexcept</span>
<span id="L230"><span class="lineNum"> 230</span> : { return this-&gt;_M_len; }</span>
<span id="L231"><span class="lineNum"> 231</span> : </span>
<span id="L232"><span class="lineNum"> 232</span> : [[nodiscard]]</span>
<span id="L233"><span class="lineNum"> 233</span> : constexpr size_type</span>
<span id="L234"><span class="lineNum"> 234</span> : length() const noexcept</span>
<span id="L235"><span class="lineNum"> 235</span> : { return _M_len; }</span>
<span id="L236"><span class="lineNum"> 236</span> : </span>
<span id="L237"><span class="lineNum"> 237</span> : [[nodiscard]]</span>
<span id="L238"><span class="lineNum"> 238</span> : constexpr size_type</span>
<span id="L239"><span class="lineNum"> 239</span> : max_size() const noexcept</span>
<span id="L240"><span class="lineNum"> 240</span> : {</span>
<span id="L241"><span class="lineNum"> 241</span> : return (npos - sizeof(size_type) - sizeof(void*))</span>
<span id="L242"><span class="lineNum"> 242</span> : / sizeof(value_type) / 4;</span>
<span id="L243"><span class="lineNum"> 243</span> : }</span>
<span id="L244"><span class="lineNum"> 244</span> : </span>
<span id="L245"><span class="lineNum"> 245</span> : [[nodiscard]]</span>
<span id="L246"><span class="lineNum"> 246</span> : constexpr bool</span>
<span id="L247"><span class="lineNum"> 247</span> : empty() const noexcept</span>
<span id="L248"><span class="lineNum"> 248</span> : { return this-&gt;_M_len == 0; }</span>
<span id="L249"><span class="lineNum"> 249</span> : </span>
<span id="L250"><span class="lineNum"> 250</span> : // [string.view.access], element access</span>
<span id="L251"><span class="lineNum"> 251</span> : </span>
<span id="L252"><span class="lineNum"> 252</span> : [[nodiscard]]</span>
<span id="L253"><span class="lineNum"> 253</span> : constexpr const_reference</span>
<span id="L254"><span class="lineNum"> 254</span> : operator[](size_type __pos) const noexcept</span>
<span id="L255"><span class="lineNum"> 255</span> : {</span>
<span id="L256"><span class="lineNum"> 256</span> : __glibcxx_assert(__pos &lt; this-&gt;_M_len);</span>
<span id="L257"><span class="lineNum"> 257</span> : return *(this-&gt;_M_str + __pos);</span>
<span id="L258"><span class="lineNum"> 258</span> : }</span>
<span id="L259"><span class="lineNum"> 259</span> : </span>
<span id="L260"><span class="lineNum"> 260</span> : [[nodiscard]]</span>
<span id="L261"><span class="lineNum"> 261</span> : constexpr const_reference</span>
<span id="L262"><span class="lineNum"> 262</span> : at(size_type __pos) const</span>
<span id="L263"><span class="lineNum"> 263</span> : {</span>
<span id="L264"><span class="lineNum"> 264</span> : if (__pos &gt;= _M_len)</span>
<span id="L265"><span class="lineNum"> 265</span> : __throw_out_of_range_fmt(__N(&quot;basic_string_view::at: __pos &quot;</span>
<span id="L266"><span class="lineNum"> 266</span> : &quot;(which is %zu) &gt;= this-&gt;size() &quot;</span>
<span id="L267"><span class="lineNum"> 267</span> : &quot;(which is %zu)&quot;), __pos, this-&gt;size());</span>
<span id="L268"><span class="lineNum"> 268</span> : return *(this-&gt;_M_str + __pos);</span>
<span id="L269"><span class="lineNum"> 269</span> : }</span>
<span id="L270"><span class="lineNum"> 270</span> : </span>
<span id="L271"><span class="lineNum"> 271</span> : [[nodiscard]]</span>
<span id="L272"><span class="lineNum"> 272</span> : constexpr const_reference</span>
<span id="L273"><span class="lineNum"> 273</span> : front() const noexcept</span>
<span id="L274"><span class="lineNum"> 274</span> : {</span>
<span id="L275"><span class="lineNum"> 275</span> : __glibcxx_assert(this-&gt;_M_len &gt; 0);</span>
<span id="L276"><span class="lineNum"> 276</span> : return *this-&gt;_M_str;</span>
<span id="L277"><span class="lineNum"> 277</span> : }</span>
<span id="L278"><span class="lineNum"> 278</span> : </span>
<span id="L279"><span class="lineNum"> 279</span> : [[nodiscard]]</span>
<span id="L280"><span class="lineNum"> 280</span> : constexpr const_reference</span>
<span id="L281"><span class="lineNum"> 281</span> : back() const noexcept</span>
<span id="L282"><span class="lineNum"> 282</span> : {</span>
<span id="L283"><span class="lineNum"> 283</span> : __glibcxx_assert(this-&gt;_M_len &gt; 0);</span>
<span id="L284"><span class="lineNum"> 284</span> : return *(this-&gt;_M_str + this-&gt;_M_len - 1);</span>
<span id="L285"><span class="lineNum"> 285</span> : }</span>
<span id="L286"><span class="lineNum"> 286</span> : </span>
<span id="L287"><span class="lineNum"> 287</span> : [[nodiscard]]</span>
<span id="L288"><span class="lineNum"> 288</span> : constexpr const_pointer</span>
<span id="L289"><span class="lineNum"> 289</span> : data() const noexcept</span>
<span id="L290"><span class="lineNum"> 290</span> : { return this-&gt;_M_str; }</span>
<span id="L291"><span class="lineNum"> 291</span> : </span>
<span id="L292"><span class="lineNum"> 292</span> : // [string.view.modifiers], modifiers:</span>
<span id="L293"><span class="lineNum"> 293</span> : </span>
<span id="L294"><span class="lineNum"> 294</span> : constexpr void</span>
<span id="L295"><span class="lineNum"> 295</span> : remove_prefix(size_type __n) noexcept</span>
<span id="L296"><span class="lineNum"> 296</span> : {</span>
<span id="L297"><span class="lineNum"> 297</span> : __glibcxx_assert(this-&gt;_M_len &gt;= __n);</span>
<span id="L298"><span class="lineNum"> 298</span> : this-&gt;_M_str += __n;</span>
<span id="L299"><span class="lineNum"> 299</span> : this-&gt;_M_len -= __n;</span>
<span id="L300"><span class="lineNum"> 300</span> : }</span>
<span id="L301"><span class="lineNum"> 301</span> : </span>
<span id="L302"><span class="lineNum"> 302</span> : constexpr void</span>
<span id="L303"><span class="lineNum"> 303</span> : remove_suffix(size_type __n) noexcept</span>
<span id="L304"><span class="lineNum"> 304</span> : {</span>
<span id="L305"><span class="lineNum"> 305</span> : __glibcxx_assert(this-&gt;_M_len &gt;= __n);</span>
<span id="L306"><span class="lineNum"> 306</span> : this-&gt;_M_len -= __n;</span>
<span id="L307"><span class="lineNum"> 307</span> : }</span>
<span id="L308"><span class="lineNum"> 308</span> : </span>
<span id="L309"><span class="lineNum"> 309</span> : constexpr void</span>
<span id="L310"><span class="lineNum"> 310</span> : swap(basic_string_view&amp; __sv) noexcept</span>
<span id="L311"><span class="lineNum"> 311</span> : {</span>
<span id="L312"><span class="lineNum"> 312</span> : auto __tmp = *this;</span>
<span id="L313"><span class="lineNum"> 313</span> : *this = __sv;</span>
<span id="L314"><span class="lineNum"> 314</span> : __sv = __tmp;</span>
<span id="L315"><span class="lineNum"> 315</span> : }</span>
<span id="L316"><span class="lineNum"> 316</span> : </span>
<span id="L317"><span class="lineNum"> 317</span> : // [string.view.ops], string operations:</span>
<span id="L318"><span class="lineNum"> 318</span> : </span>
<span id="L319"><span class="lineNum"> 319</span> : _GLIBCXX20_CONSTEXPR</span>
<span id="L320"><span class="lineNum"> 320</span> : size_type</span>
<span id="L321"><span class="lineNum"> 321</span> : copy(_CharT* __str, size_type __n, size_type __pos = 0) const</span>
<span id="L322"><span class="lineNum"> 322</span> : {</span>
<span id="L323"><span class="lineNum"> 323</span> : __glibcxx_requires_string_len(__str, __n);</span>
<span id="L324"><span class="lineNum"> 324</span> : __pos = std::__sv_check(size(), __pos, &quot;basic_string_view::copy&quot;);</span>
<span id="L325"><span class="lineNum"> 325</span> : const size_type __rlen = std::min&lt;size_t&gt;(__n, _M_len - __pos);</span>
<span id="L326"><span class="lineNum"> 326</span> : // _GLIBCXX_RESOLVE_LIB_DEFECTS</span>
<span id="L327"><span class="lineNum"> 327</span> : // 2777. basic_string_view::copy should use char_traits::copy</span>
<span id="L328"><span class="lineNum"> 328</span> : traits_type::copy(__str, data() + __pos, __rlen);</span>
<span id="L329"><span class="lineNum"> 329</span> : return __rlen;</span>
<span id="L330"><span class="lineNum"> 330</span> : }</span>
<span id="L331"><span class="lineNum"> 331</span> : </span>
<span id="L332"><span class="lineNum"> 332</span> : [[nodiscard]]</span>
<span id="L333"><span class="lineNum"> 333</span> : constexpr basic_string_view</span>
<span id="L334"><span class="lineNum"> 334</span> : substr(size_type __pos = 0, size_type __n = npos) const noexcept(false)</span>
<span id="L335"><span class="lineNum"> 335</span> : {</span>
<span id="L336"><span class="lineNum"> 336</span> : __pos = std::__sv_check(size(), __pos, &quot;basic_string_view::substr&quot;);</span>
<span id="L337"><span class="lineNum"> 337</span> : const size_type __rlen = std::min&lt;size_t&gt;(__n, _M_len - __pos);</span>
<span id="L338"><span class="lineNum"> 338</span> : return basic_string_view{_M_str + __pos, __rlen};</span>
<span id="L339"><span class="lineNum"> 339</span> : }</span>
<span id="L340"><span class="lineNum"> 340</span> : </span>
<span id="L341"><span class="lineNum"> 341</span> : [[nodiscard]]</span>
<span id="L342"><span class="lineNum"> 342</span> : constexpr int</span>
<span id="L343"><span class="lineNum"> 343</span> : compare(basic_string_view __str) const noexcept</span>
<span id="L344"><span class="lineNum"> 344</span> : {</span>
<span id="L345"><span class="lineNum"> 345</span> : const size_type __rlen = std::min(this-&gt;_M_len, __str._M_len);</span>
<span id="L346"><span class="lineNum"> 346</span> : int __ret = traits_type::compare(this-&gt;_M_str, __str._M_str, __rlen);</span>
<span id="L347"><span class="lineNum"> 347</span> : if (__ret == 0)</span>
<span id="L348"><span class="lineNum"> 348</span> : __ret = _S_compare(this-&gt;_M_len, __str._M_len);</span>
<span id="L349"><span class="lineNum"> 349</span> : return __ret;</span>
<span id="L350"><span class="lineNum"> 350</span> : }</span>
<span id="L351"><span class="lineNum"> 351</span> : </span>
<span id="L352"><span class="lineNum"> 352</span> : [[nodiscard]]</span>
<span id="L353"><span class="lineNum"> 353</span> : constexpr int</span>
<span id="L354"><span class="lineNum"> 354</span> : compare(size_type __pos1, size_type __n1, basic_string_view __str) const</span>
<span id="L355"><span class="lineNum"> 355</span> : { return this-&gt;substr(__pos1, __n1).compare(__str); }</span>
<span id="L356"><span class="lineNum"> 356</span> : </span>
<span id="L357"><span class="lineNum"> 357</span> : [[nodiscard]]</span>
<span id="L358"><span class="lineNum"> 358</span> : constexpr int</span>
<span id="L359"><span class="lineNum"> 359</span> : compare(size_type __pos1, size_type __n1,</span>
<span id="L360"><span class="lineNum"> 360</span> : basic_string_view __str, size_type __pos2, size_type __n2) const</span>
<span id="L361"><span class="lineNum"> 361</span> : {</span>
<span id="L362"><span class="lineNum"> 362</span> : return this-&gt;substr(__pos1, __n1).compare(__str.substr(__pos2, __n2));</span>
<span id="L363"><span class="lineNum"> 363</span> : }</span>
<span id="L364"><span class="lineNum"> 364</span> : </span>
<span id="L365"><span class="lineNum"> 365</span> : [[nodiscard, __gnu__::__nonnull__]]</span>
<span id="L366"><span class="lineNum"> 366</span> : constexpr int</span>
<span id="L367"><span class="lineNum"> 367</span> : compare(const _CharT* __str) const noexcept</span>
<span id="L368"><span class="lineNum"> 368</span> : { return this-&gt;compare(basic_string_view{__str}); }</span>
<span id="L369"><span class="lineNum"> 369</span> : </span>
<span id="L370"><span class="lineNum"> 370</span> : [[nodiscard, __gnu__::__nonnull__]]</span>
<span id="L371"><span class="lineNum"> 371</span> : constexpr int</span>
<span id="L372"><span class="lineNum"> 372</span> : compare(size_type __pos1, size_type __n1, const _CharT* __str) const</span>
<span id="L373"><span class="lineNum"> 373</span> : { return this-&gt;substr(__pos1, __n1).compare(basic_string_view{__str}); }</span>
<span id="L374"><span class="lineNum"> 374</span> : </span>
<span id="L375"><span class="lineNum"> 375</span> : [[nodiscard]]</span>
<span id="L376"><span class="lineNum"> 376</span> : constexpr int</span>
<span id="L377"><span class="lineNum"> 377</span> : compare(size_type __pos1, size_type __n1,</span>
<span id="L378"><span class="lineNum"> 378</span> : const _CharT* __str, size_type __n2) const noexcept(false)</span>
<span id="L379"><span class="lineNum"> 379</span> : {</span>
<span id="L380"><span class="lineNum"> 380</span> : return this-&gt;substr(__pos1, __n1)</span>
<span id="L381"><span class="lineNum"> 381</span> : .compare(basic_string_view(__str, __n2));</span>
<span id="L382"><span class="lineNum"> 382</span> : }</span>
<span id="L383"><span class="lineNum"> 383</span> : </span>
<span id="L384"><span class="lineNum"> 384</span> : #if __cplusplus &gt; 201703L</span>
<span id="L385"><span class="lineNum"> 385</span> : #define __cpp_lib_starts_ends_with 201711L</span>
<span id="L386"><span class="lineNum"> 386</span> : [[nodiscard]]</span>
<span id="L387"><span class="lineNum"> 387</span> : constexpr bool</span>
<span id="L388"><span class="lineNum"> 388</span> : starts_with(basic_string_view __x) const noexcept</span>
<span id="L389"><span class="lineNum"> 389</span> : { return this-&gt;substr(0, __x.size()) == __x; }</span>
<span id="L390"><span class="lineNum"> 390</span> : </span>
<span id="L391"><span class="lineNum"> 391</span> : [[nodiscard]]</span>
<span id="L392"><span class="lineNum"> 392</span> : constexpr bool</span>
<span id="L393"><span class="lineNum"> 393</span> : starts_with(_CharT __x) const noexcept</span>
<span id="L394"><span class="lineNum"> 394</span> : { return !this-&gt;empty() &amp;&amp; traits_type::eq(this-&gt;front(), __x); }</span>
<span id="L395"><span class="lineNum"> 395</span> : </span>
<span id="L396"><span class="lineNum"> 396</span> : [[nodiscard, __gnu__::__nonnull__]]</span>
<span id="L397"><span class="lineNum"> 397</span> : constexpr bool</span>
<span id="L398"><span class="lineNum"> 398</span> : starts_with(const _CharT* __x) const noexcept</span>
<span id="L399"><span class="lineNum"> 399</span> : { return this-&gt;starts_with(basic_string_view(__x)); }</span>
<span id="L400"><span class="lineNum"> 400</span> : </span>
<span id="L401"><span class="lineNum"> 401</span> : [[nodiscard]]</span>
<span id="L402"><span class="lineNum"> 402</span> : constexpr bool</span>
<span id="L403"><span class="lineNum"> 403</span> : ends_with(basic_string_view __x) const noexcept</span>
<span id="L404"><span class="lineNum"> 404</span> : {</span>
<span id="L405"><span class="lineNum"> 405</span> : const auto __len = this-&gt;size();</span>
<span id="L406"><span class="lineNum"> 406</span> : const auto __xlen = __x.size();</span>
<span id="L407"><span class="lineNum"> 407</span> : return __len &gt;= __xlen</span>
<span id="L408"><span class="lineNum"> 408</span> : &amp;&amp; traits_type::compare(end() - __xlen, __x.data(), __xlen) == 0;</span>
<span id="L409"><span class="lineNum"> 409</span> : }</span>
<span id="L410"><span class="lineNum"> 410</span> : </span>
<span id="L411"><span class="lineNum"> 411</span> : [[nodiscard]]</span>
<span id="L412"><span class="lineNum"> 412</span> : constexpr bool</span>
<span id="L413"><span class="lineNum"> 413</span> : ends_with(_CharT __x) const noexcept</span>
<span id="L414"><span class="lineNum"> 414</span> : { return !this-&gt;empty() &amp;&amp; traits_type::eq(this-&gt;back(), __x); }</span>
<span id="L415"><span class="lineNum"> 415</span> : </span>
<span id="L416"><span class="lineNum"> 416</span> : [[nodiscard, __gnu__::__nonnull__]]</span>
<span id="L417"><span class="lineNum"> 417</span> : constexpr bool</span>
<span id="L418"><span class="lineNum"> 418</span> : ends_with(const _CharT* __x) const noexcept</span>
<span id="L419"><span class="lineNum"> 419</span> : { return this-&gt;ends_with(basic_string_view(__x)); }</span>
<span id="L420"><span class="lineNum"> 420</span> : #endif // C++20</span>
<span id="L421"><span class="lineNum"> 421</span> : </span>
<span id="L422"><span class="lineNum"> 422</span> : #if __cplusplus &gt; 202002L</span>
<span id="L423"><span class="lineNum"> 423</span> : #if _GLIBCXX_HOSTED</span>
<span id="L424"><span class="lineNum"> 424</span> : // This FTM is not freestanding as it also implies matching &lt;string&gt;</span>
<span id="L425"><span class="lineNum"> 425</span> : // support, and &lt;string&gt; is omitted from the freestanding subset.</span>
<span id="L426"><span class="lineNum"> 426</span> : # define __cpp_lib_string_contains 202011L</span>
<span id="L427"><span class="lineNum"> 427</span> : #endif // HOSTED</span>
<span id="L428"><span class="lineNum"> 428</span> : [[nodiscard]]</span>
<span id="L429"><span class="lineNum"> 429</span> : constexpr bool</span>
<span id="L430"><span class="lineNum"> 430</span> : contains(basic_string_view __x) const noexcept</span>
<span id="L431"><span class="lineNum"> 431</span> : { return this-&gt;find(__x) != npos; }</span>
<span id="L432"><span class="lineNum"> 432</span> : </span>
<span id="L433"><span class="lineNum"> 433</span> : [[nodiscard]]</span>
<span id="L434"><span class="lineNum"> 434</span> : constexpr bool</span>
<span id="L435"><span class="lineNum"> 435</span> : contains(_CharT __x) const noexcept</span>
<span id="L436"><span class="lineNum"> 436</span> : { return this-&gt;find(__x) != npos; }</span>
<span id="L437"><span class="lineNum"> 437</span> : </span>
<span id="L438"><span class="lineNum"> 438</span> : [[nodiscard, __gnu__::__nonnull__]]</span>
<span id="L439"><span class="lineNum"> 439</span> : constexpr bool</span>
<span id="L440"><span class="lineNum"> 440</span> : contains(const _CharT* __x) const noexcept</span>
<span id="L441"><span class="lineNum"> 441</span> : { return this-&gt;find(__x) != npos; }</span>
<span id="L442"><span class="lineNum"> 442</span> : #endif // C++23</span>
<span id="L443"><span class="lineNum"> 443</span> : </span>
<span id="L444"><span class="lineNum"> 444</span> : // [string.view.find], searching</span>
<span id="L445"><span class="lineNum"> 445</span> : </span>
<span id="L446"><span class="lineNum"> 446</span> : [[nodiscard]]</span>
<span id="L447"><span class="lineNum"> 447</span> : constexpr size_type</span>
<span id="L448"><span class="lineNum"> 448</span> : find(basic_string_view __str, size_type __pos = 0) const noexcept</span>
<span id="L449"><span class="lineNum"> 449</span> : { return this-&gt;find(__str._M_str, __pos, __str._M_len); }</span>
<span id="L450"><span class="lineNum"> 450</span> : </span>
<span id="L451"><span class="lineNum"> 451</span> : [[nodiscard]]</span>
<span id="L452"><span class="lineNum"> 452</span> : constexpr size_type</span>
<span id="L453"><span class="lineNum"> 453</span> : find(_CharT __c, size_type __pos = 0) const noexcept;</span>
<span id="L454"><span class="lineNum"> 454</span> : </span>
<span id="L455"><span class="lineNum"> 455</span> : [[nodiscard]]</span>
<span id="L456"><span class="lineNum"> 456</span> : constexpr size_type</span>
<span id="L457"><span class="lineNum"> 457</span> : find(const _CharT* __str, size_type __pos, size_type __n) const noexcept;</span>
<span id="L458"><span class="lineNum"> 458</span> : </span>
<span id="L459"><span class="lineNum"> 459</span> : [[nodiscard, __gnu__::__nonnull__]]</span>
<span id="L460"><span class="lineNum"> 460</span> : constexpr size_type</span>
<span id="L461"><span class="lineNum"> 461</span> : find(const _CharT* __str, size_type __pos = 0) const noexcept</span>
<span id="L462"><span class="lineNum"> 462</span> : { return this-&gt;find(__str, __pos, traits_type::length(__str)); }</span>
<span id="L463"><span class="lineNum"> 463</span> : </span>
<span id="L464"><span class="lineNum"> 464</span> : [[nodiscard]]</span>
<span id="L465"><span class="lineNum"> 465</span> : constexpr size_type</span>
<span id="L466"><span class="lineNum"> 466</span> : rfind(basic_string_view __str, size_type __pos = npos) const noexcept</span>
<span id="L467"><span class="lineNum"> 467</span> : { return this-&gt;rfind(__str._M_str, __pos, __str._M_len); }</span>
<span id="L468"><span class="lineNum"> 468</span> : </span>
<span id="L469"><span class="lineNum"> 469</span> : [[nodiscard]]</span>
<span id="L470"><span class="lineNum"> 470</span> : constexpr size_type</span>
<span id="L471"><span class="lineNum"> 471</span> : rfind(_CharT __c, size_type __pos = npos) const noexcept;</span>
<span id="L472"><span class="lineNum"> 472</span> : </span>
<span id="L473"><span class="lineNum"> 473</span> : [[nodiscard]]</span>
<span id="L474"><span class="lineNum"> 474</span> : constexpr size_type</span>
<span id="L475"><span class="lineNum"> 475</span> : rfind(const _CharT* __str, size_type __pos, size_type __n) const noexcept;</span>
<span id="L476"><span class="lineNum"> 476</span> : </span>
<span id="L477"><span class="lineNum"> 477</span> : [[nodiscard, __gnu__::__nonnull__]]</span>
<span id="L478"><span class="lineNum"> 478</span> : constexpr size_type</span>
<span id="L479"><span class="lineNum"> 479</span> : rfind(const _CharT* __str, size_type __pos = npos) const noexcept</span>
<span id="L480"><span class="lineNum"> 480</span> : { return this-&gt;rfind(__str, __pos, traits_type::length(__str)); }</span>
<span id="L481"><span class="lineNum"> 481</span> : </span>
<span id="L482"><span class="lineNum"> 482</span> : [[nodiscard]]</span>
<span id="L483"><span class="lineNum"> 483</span> : constexpr size_type</span>
<span id="L484"><span class="lineNum"> 484</span> : find_first_of(basic_string_view __str, size_type __pos = 0) const noexcept</span>
<span id="L485"><span class="lineNum"> 485</span> : { return this-&gt;find_first_of(__str._M_str, __pos, __str._M_len); }</span>
<span id="L486"><span class="lineNum"> 486</span> : </span>
<span id="L487"><span class="lineNum"> 487</span> : [[nodiscard]]</span>
<span id="L488"><span class="lineNum"> 488</span> : constexpr size_type</span>
<span id="L489"><span class="lineNum"> 489</span> : find_first_of(_CharT __c, size_type __pos = 0) const noexcept</span>
<span id="L490"><span class="lineNum"> 490</span> : { return this-&gt;find(__c, __pos); }</span>
<span id="L491"><span class="lineNum"> 491</span> : </span>
<span id="L492"><span class="lineNum"> 492</span> : [[nodiscard]]</span>
<span id="L493"><span class="lineNum"> 493</span> : constexpr size_type</span>
<span id="L494"><span class="lineNum"> 494</span> : find_first_of(const _CharT* __str, size_type __pos,</span>
<span id="L495"><span class="lineNum"> 495</span> : size_type __n) const noexcept;</span>
<span id="L496"><span class="lineNum"> 496</span> : </span>
<span id="L497"><span class="lineNum"> 497</span> : [[nodiscard, __gnu__::__nonnull__]]</span>
<span id="L498"><span class="lineNum"> 498</span> : constexpr size_type</span>
<span id="L499"><span class="lineNum"> 499</span> : find_first_of(const _CharT* __str, size_type __pos = 0) const noexcept</span>
<span id="L500"><span class="lineNum"> 500</span> : { return this-&gt;find_first_of(__str, __pos, traits_type::length(__str)); }</span>
<span id="L501"><span class="lineNum"> 501</span> : </span>
<span id="L502"><span class="lineNum"> 502</span> : [[nodiscard]]</span>
<span id="L503"><span class="lineNum"> 503</span> : constexpr size_type</span>
<span id="L504"><span class="lineNum"> 504</span> : find_last_of(basic_string_view __str,</span>
<span id="L505"><span class="lineNum"> 505</span> : size_type __pos = npos) const noexcept</span>
<span id="L506"><span class="lineNum"> 506</span> : { return this-&gt;find_last_of(__str._M_str, __pos, __str._M_len); }</span>
<span id="L507"><span class="lineNum"> 507</span> : </span>
<span id="L508"><span class="lineNum"> 508</span> : [[nodiscard]]</span>
<span id="L509"><span class="lineNum"> 509</span> : constexpr size_type</span>
<span id="L510"><span class="lineNum"> 510</span> : find_last_of(_CharT __c, size_type __pos=npos) const noexcept</span>
<span id="L511"><span class="lineNum"> 511</span> : { return this-&gt;rfind(__c, __pos); }</span>
<span id="L512"><span class="lineNum"> 512</span> : </span>
<span id="L513"><span class="lineNum"> 513</span> : [[nodiscard]]</span>
<span id="L514"><span class="lineNum"> 514</span> : constexpr size_type</span>
<span id="L515"><span class="lineNum"> 515</span> : find_last_of(const _CharT* __str, size_type __pos,</span>
<span id="L516"><span class="lineNum"> 516</span> : size_type __n) const noexcept;</span>
<span id="L517"><span class="lineNum"> 517</span> : </span>
<span id="L518"><span class="lineNum"> 518</span> : [[nodiscard, __gnu__::__nonnull__]]</span>
<span id="L519"><span class="lineNum"> 519</span> : constexpr size_type</span>
<span id="L520"><span class="lineNum"> 520</span> : find_last_of(const _CharT* __str, size_type __pos = npos) const noexcept</span>
<span id="L521"><span class="lineNum"> 521</span> : { return this-&gt;find_last_of(__str, __pos, traits_type::length(__str)); }</span>
<span id="L522"><span class="lineNum"> 522</span> : </span>
<span id="L523"><span class="lineNum"> 523</span> : [[nodiscard]]</span>
<span id="L524"><span class="lineNum"> 524</span> : constexpr size_type</span>
<span id="L525"><span class="lineNum"> 525</span> : find_first_not_of(basic_string_view __str,</span>
<span id="L526"><span class="lineNum"> 526</span> : size_type __pos = 0) const noexcept</span>
<span id="L527"><span class="lineNum"> 527</span> : { return this-&gt;find_first_not_of(__str._M_str, __pos, __str._M_len); }</span>
<span id="L528"><span class="lineNum"> 528</span> : </span>
<span id="L529"><span class="lineNum"> 529</span> : [[nodiscard]]</span>
<span id="L530"><span class="lineNum"> 530</span> : constexpr size_type</span>
<span id="L531"><span class="lineNum"> 531</span> : find_first_not_of(_CharT __c, size_type __pos = 0) const noexcept;</span>
<span id="L532"><span class="lineNum"> 532</span> : </span>
<span id="L533"><span class="lineNum"> 533</span> : [[nodiscard]]</span>
<span id="L534"><span class="lineNum"> 534</span> : constexpr size_type</span>
<span id="L535"><span class="lineNum"> 535</span> : find_first_not_of(const _CharT* __str,</span>
<span id="L536"><span class="lineNum"> 536</span> : size_type __pos, size_type __n) const noexcept;</span>
<span id="L537"><span class="lineNum"> 537</span> : </span>
<span id="L538"><span class="lineNum"> 538</span> : [[nodiscard, __gnu__::__nonnull__]]</span>
<span id="L539"><span class="lineNum"> 539</span> : constexpr size_type</span>
<span id="L540"><span class="lineNum"> 540</span> : find_first_not_of(const _CharT* __str, size_type __pos = 0) const noexcept</span>
<span id="L541"><span class="lineNum"> 541</span> : {</span>
<span id="L542"><span class="lineNum"> 542</span> : return this-&gt;find_first_not_of(__str, __pos,</span>
<span id="L543"><span class="lineNum"> 543</span> : traits_type::length(__str));</span>
<span id="L544"><span class="lineNum"> 544</span> : }</span>
<span id="L545"><span class="lineNum"> 545</span> : </span>
<span id="L546"><span class="lineNum"> 546</span> : [[nodiscard]]</span>
<span id="L547"><span class="lineNum"> 547</span> : constexpr size_type</span>
<span id="L548"><span class="lineNum"> 548</span> : find_last_not_of(basic_string_view __str,</span>
<span id="L549"><span class="lineNum"> 549</span> : size_type __pos = npos) const noexcept</span>
<span id="L550"><span class="lineNum"> 550</span> : { return this-&gt;find_last_not_of(__str._M_str, __pos, __str._M_len); }</span>
<span id="L551"><span class="lineNum"> 551</span> : </span>
<span id="L552"><span class="lineNum"> 552</span> : [[nodiscard]]</span>
<span id="L553"><span class="lineNum"> 553</span> : constexpr size_type</span>
<span id="L554"><span class="lineNum"> 554</span> : find_last_not_of(_CharT __c, size_type __pos = npos) const noexcept;</span>
<span id="L555"><span class="lineNum"> 555</span> : </span>
<span id="L556"><span class="lineNum"> 556</span> : [[nodiscard]]</span>
<span id="L557"><span class="lineNum"> 557</span> : constexpr size_type</span>
<span id="L558"><span class="lineNum"> 558</span> : find_last_not_of(const _CharT* __str,</span>
<span id="L559"><span class="lineNum"> 559</span> : size_type __pos, size_type __n) const noexcept;</span>
<span id="L560"><span class="lineNum"> 560</span> : </span>
<span id="L561"><span class="lineNum"> 561</span> : [[nodiscard, __gnu__::__nonnull__]]</span>
<span id="L562"><span class="lineNum"> 562</span> : constexpr size_type</span>
<span id="L563"><span class="lineNum"> 563</span> : find_last_not_of(const _CharT* __str,</span>
<span id="L564"><span class="lineNum"> 564</span> : size_type __pos = npos) const noexcept</span>
<span id="L565"><span class="lineNum"> 565</span> : {</span>
<span id="L566"><span class="lineNum"> 566</span> : return this-&gt;find_last_not_of(__str, __pos,</span>
<span id="L567"><span class="lineNum"> 567</span> : traits_type::length(__str));</span>
<span id="L568"><span class="lineNum"> 568</span> : }</span>
<span id="L569"><span class="lineNum"> 569</span> : </span>
<span id="L570"><span class="lineNum"> 570</span> : private:</span>
<span id="L571"><span class="lineNum"> 571</span> : </span>
<span id="L572"><span class="lineNum"> 572</span> : static constexpr int</span>
<span id="L573"><span class="lineNum"> 573</span> : _S_compare(size_type __n1, size_type __n2) noexcept</span>
<span id="L574"><span class="lineNum"> 574</span> : {</span>
<span id="L575"><span class="lineNum"> 575</span> : using __limits = __gnu_cxx::__int_traits&lt;int&gt;;</span>
<span id="L576"><span class="lineNum"> 576</span> : const difference_type __diff = __n1 - __n2;</span>
<span id="L577"><span class="lineNum"> 577</span> : if (__diff &gt; __limits::__max)</span>
<span id="L578"><span class="lineNum"> 578</span> : return __limits::__max;</span>
<span id="L579"><span class="lineNum"> 579</span> : if (__diff &lt; __limits::__min)</span>
<span id="L580"><span class="lineNum"> 580</span> : return __limits::__min;</span>
<span id="L581"><span class="lineNum"> 581</span> : return static_cast&lt;int&gt;(__diff);</span>
<span id="L582"><span class="lineNum"> 582</span> : }</span>
<span id="L583"><span class="lineNum"> 583</span> : </span>
<span id="L584"><span class="lineNum"> 584</span> : size_t _M_len;</span>
<span id="L585"><span class="lineNum"> 585</span> : const _CharT* _M_str;</span>
<span id="L586"><span class="lineNum"> 586</span> : };</span>
<span id="L587"><span class="lineNum"> 587</span> : </span>
<span id="L588"><span class="lineNum"> 588</span> : #if __cplusplus &gt; 201703L &amp;&amp; __cpp_lib_concepts &amp;&amp; __cpp_deduction_guides</span>
<span id="L589"><span class="lineNum"> 589</span> : template&lt;contiguous_iterator _It, sized_sentinel_for&lt;_It&gt; _End&gt;</span>
<span id="L590"><span class="lineNum"> 590</span> : basic_string_view(_It, _End) -&gt; basic_string_view&lt;iter_value_t&lt;_It&gt;&gt;;</span>
<span id="L591"><span class="lineNum"> 591</span> : </span>
<span id="L592"><span class="lineNum"> 592</span> : #if __cplusplus &gt; 202002L</span>
<span id="L593"><span class="lineNum"> 593</span> : template&lt;ranges::contiguous_range _Range&gt;</span>
<span id="L594"><span class="lineNum"> 594</span> : basic_string_view(_Range&amp;&amp;)</span>
<span id="L595"><span class="lineNum"> 595</span> : -&gt; basic_string_view&lt;ranges::range_value_t&lt;_Range&gt;&gt;;</span>
<span id="L596"><span class="lineNum"> 596</span> : #endif</span>
<span id="L597"><span class="lineNum"> 597</span> : #endif</span>
<span id="L598"><span class="lineNum"> 598</span> : </span>
<span id="L599"><span class="lineNum"> 599</span> : // [string.view.comparison], non-member basic_string_view comparison function</span>
<span id="L600"><span class="lineNum"> 600</span> : </span>
<span id="L601"><span class="lineNum"> 601</span> : // Several of these functions use type_identity_t to create a non-deduced</span>
<span id="L602"><span class="lineNum"> 602</span> : // context, so that only one argument participates in template argument</span>
<span id="L603"><span class="lineNum"> 603</span> : // deduction and the other argument gets implicitly converted to the deduced</span>
<span id="L604"><span class="lineNum"> 604</span> : // type (see N3766).</span>
<span id="L605"><span class="lineNum"> 605</span> : </span>
<span id="L606"><span class="lineNum"> 606</span> : template&lt;typename _CharT, typename _Traits&gt;</span>
<span id="L607"><span class="lineNum"> 607</span> : [[nodiscard]]</span>
<span id="L608"><span class="lineNum"> 608</span> : constexpr bool</span>
<span id="L609"><span class="lineNum"> 609</span> : operator==(basic_string_view&lt;_CharT, _Traits&gt; __x,</span>
<span id="L610"><span class="lineNum"> 610</span> : basic_string_view&lt;_CharT, _Traits&gt; __y) noexcept</span>
<span id="L611"><span class="lineNum"> 611</span> : { return __x.size() == __y.size() &amp;&amp; __x.compare(__y) == 0; }</span>
<span id="L612"><span class="lineNum"> 612</span> : </span>
<span id="L613"><span class="lineNum"> 613</span> : template&lt;typename _CharT, typename _Traits&gt;</span>
<span id="L614"><span class="lineNum"> 614</span> : [[nodiscard]]</span>
<span id="L615"><span class="lineNum"> 615</span> : constexpr bool</span>
<span id="L616"><span class="lineNum"> 616</span> : operator==(basic_string_view&lt;_CharT, _Traits&gt; __x,</span>
<span id="L617"><span class="lineNum"> 617</span> : __type_identity_t&lt;basic_string_view&lt;_CharT, _Traits&gt;&gt; __y)</span>
<span id="L618"><span class="lineNum"> 618</span> : noexcept</span>
<span id="L619"><span class="lineNum"> 619</span> : { return __x.size() == __y.size() &amp;&amp; __x.compare(__y) == 0; }</span>
<span id="L620"><span class="lineNum"> 620</span> : </span>
<span id="L621"><span class="lineNum"> 621</span> : #if __cpp_lib_three_way_comparison</span>
<span id="L622"><span class="lineNum"> 622</span> : template&lt;typename _CharT, typename _Traits&gt;</span>
<span id="L623"><span class="lineNum"> 623</span> : [[nodiscard]]</span>
<span id="L624"><span class="lineNum"> 624</span> : constexpr auto</span>
<span id="L625"><span class="lineNum"> 625</span> : operator&lt;=&gt;(basic_string_view&lt;_CharT, _Traits&gt; __x,</span>
<span id="L626"><span class="lineNum"> 626</span> : basic_string_view&lt;_CharT, _Traits&gt; __y) noexcept</span>
<span id="L627"><span class="lineNum"> 627</span> : -&gt; decltype(__detail::__char_traits_cmp_cat&lt;_Traits&gt;(0))</span>
<span id="L628"><span class="lineNum"> 628</span> : { return __detail::__char_traits_cmp_cat&lt;_Traits&gt;(__x.compare(__y)); }</span>
<span id="L629"><span class="lineNum"> 629</span> : </span>
<span id="L630"><span class="lineNum"> 630</span> : template&lt;typename _CharT, typename _Traits&gt;</span>
<span id="L631"><span class="lineNum"> 631</span> : [[nodiscard]]</span>
<span id="L632"><span class="lineNum"> 632</span> : constexpr auto</span>
<span id="L633"><span class="lineNum"> 633</span> : operator&lt;=&gt;(basic_string_view&lt;_CharT, _Traits&gt; __x,</span>
<span id="L634"><span class="lineNum"> 634</span> : __type_identity_t&lt;basic_string_view&lt;_CharT, _Traits&gt;&gt; __y)</span>
<span id="L635"><span class="lineNum"> 635</span> : noexcept</span>
<span id="L636"><span class="lineNum"> 636</span> : -&gt; decltype(__detail::__char_traits_cmp_cat&lt;_Traits&gt;(0))</span>
<span id="L637"><span class="lineNum"> 637</span> : { return __detail::__char_traits_cmp_cat&lt;_Traits&gt;(__x.compare(__y)); }</span>
<span id="L638"><span class="lineNum"> 638</span> : #else</span>
<span id="L639"><span class="lineNum"> 639</span> : template&lt;typename _CharT, typename _Traits&gt;</span>
<span id="L640"><span class="lineNum"> 640</span> : [[nodiscard]]</span>
<span id="L641"><span class="lineNum"> 641</span> : constexpr bool</span>
<span id="L642"><span class="lineNum"> 642</span> : operator==(__type_identity_t&lt;basic_string_view&lt;_CharT, _Traits&gt;&gt; __x,</span>
<span id="L643"><span class="lineNum"> 643</span> : basic_string_view&lt;_CharT, _Traits&gt; __y) noexcept</span>
<span id="L644"><span class="lineNum"> 644</span> : { return __x.size() == __y.size() &amp;&amp; __x.compare(__y) == 0; }</span>
<span id="L645"><span class="lineNum"> 645</span> : </span>
<span id="L646"><span class="lineNum"> 646</span> : template&lt;typename _CharT, typename _Traits&gt;</span>
<span id="L647"><span class="lineNum"> 647</span> : [[nodiscard]]</span>
<span id="L648"><span class="lineNum"> 648</span> : constexpr bool</span>
<span id="L649"><span class="lineNum"> 649</span> : operator!=(basic_string_view&lt;_CharT, _Traits&gt; __x,</span>
<span id="L650"><span class="lineNum"> 650</span> : basic_string_view&lt;_CharT, _Traits&gt; __y) noexcept</span>
<span id="L651"><span class="lineNum"> 651</span> : { return !(__x == __y); }</span>
<span id="L652"><span class="lineNum"> 652</span> : </span>
<span id="L653"><span class="lineNum"> 653</span> : template&lt;typename _CharT, typename _Traits&gt;</span>
<span id="L654"><span class="lineNum"> 654</span> : [[nodiscard]]</span>
<span id="L655"><span class="lineNum"> 655</span> : constexpr bool</span>
<span id="L656"><span class="lineNum"> 656</span> : operator!=(basic_string_view&lt;_CharT, _Traits&gt; __x,</span>
<span id="L657"><span class="lineNum"> 657</span> : __type_identity_t&lt;basic_string_view&lt;_CharT, _Traits&gt;&gt; __y)</span>
<span id="L658"><span class="lineNum"> 658</span> : noexcept</span>
<span id="L659"><span class="lineNum"> 659</span> : { return !(__x == __y); }</span>
<span id="L660"><span class="lineNum"> 660</span> : </span>
<span id="L661"><span class="lineNum"> 661</span> : template&lt;typename _CharT, typename _Traits&gt;</span>
<span id="L662"><span class="lineNum"> 662</span> : [[nodiscard]]</span>
<span id="L663"><span class="lineNum"> 663</span> : constexpr bool</span>
<span id="L664"><span class="lineNum"> 664</span> : operator!=(__type_identity_t&lt;basic_string_view&lt;_CharT, _Traits&gt;&gt; __x,</span>
<span id="L665"><span class="lineNum"> 665</span> : basic_string_view&lt;_CharT, _Traits&gt; __y) noexcept</span>
<span id="L666"><span class="lineNum"> 666</span> : { return !(__x == __y); }</span>
<span id="L667"><span class="lineNum"> 667</span> : </span>
<span id="L668"><span class="lineNum"> 668</span> : template&lt;typename _CharT, typename _Traits&gt;</span>
<span id="L669"><span class="lineNum"> 669</span> : [[nodiscard]]</span>
<span id="L670"><span class="lineNum"> 670</span> : constexpr bool</span>
<span id="L671"><span class="lineNum"> 671</span> : operator&lt; (basic_string_view&lt;_CharT, _Traits&gt; __x,</span>
<span id="L672"><span class="lineNum"> 672</span> : basic_string_view&lt;_CharT, _Traits&gt; __y) noexcept</span>
<span id="L673"><span class="lineNum"> 673</span> : { return __x.compare(__y) &lt; 0; }</span>
<span id="L674"><span class="lineNum"> 674</span> : </span>
<span id="L675"><span class="lineNum"> 675</span> : template&lt;typename _CharT, typename _Traits&gt;</span>
<span id="L676"><span class="lineNum"> 676</span> : [[nodiscard]]</span>
<span id="L677"><span class="lineNum"> 677</span> : constexpr bool</span>
<span id="L678"><span class="lineNum"> 678</span> : operator&lt; (basic_string_view&lt;_CharT, _Traits&gt; __x,</span>
<span id="L679"><span class="lineNum"> 679</span> : __type_identity_t&lt;basic_string_view&lt;_CharT, _Traits&gt;&gt; __y)</span>
<span id="L680"><span class="lineNum"> 680</span> : noexcept</span>
<span id="L681"><span class="lineNum"> 681</span> : { return __x.compare(__y) &lt; 0; }</span>
<span id="L682"><span class="lineNum"> 682</span> : </span>
<span id="L683"><span class="lineNum"> 683</span> : template&lt;typename _CharT, typename _Traits&gt;</span>
<span id="L684"><span class="lineNum"> 684</span> : [[nodiscard]]</span>
<span id="L685"><span class="lineNum"> 685</span> : constexpr bool</span>
<span id="L686"><span class="lineNum"> 686</span> : operator&lt; (__type_identity_t&lt;basic_string_view&lt;_CharT, _Traits&gt;&gt; __x,</span>
<span id="L687"><span class="lineNum"> 687</span> : basic_string_view&lt;_CharT, _Traits&gt; __y) noexcept</span>
<span id="L688"><span class="lineNum"> 688</span> : { return __x.compare(__y) &lt; 0; }</span>
<span id="L689"><span class="lineNum"> 689</span> : </span>
<span id="L690"><span class="lineNum"> 690</span> : template&lt;typename _CharT, typename _Traits&gt;</span>
<span id="L691"><span class="lineNum"> 691</span> : [[nodiscard]]</span>
<span id="L692"><span class="lineNum"> 692</span> : constexpr bool</span>
<span id="L693"><span class="lineNum"> 693</span> : operator&gt; (basic_string_view&lt;_CharT, _Traits&gt; __x,</span>
<span id="L694"><span class="lineNum"> 694</span> : basic_string_view&lt;_CharT, _Traits&gt; __y) noexcept</span>
<span id="L695"><span class="lineNum"> 695</span> : { return __x.compare(__y) &gt; 0; }</span>
<span id="L696"><span class="lineNum"> 696</span> : </span>
<span id="L697"><span class="lineNum"> 697</span> : template&lt;typename _CharT, typename _Traits&gt;</span>
<span id="L698"><span class="lineNum"> 698</span> : [[nodiscard]]</span>
<span id="L699"><span class="lineNum"> 699</span> : constexpr bool</span>
<span id="L700"><span class="lineNum"> 700</span> : operator&gt; (basic_string_view&lt;_CharT, _Traits&gt; __x,</span>
<span id="L701"><span class="lineNum"> 701</span> : __type_identity_t&lt;basic_string_view&lt;_CharT, _Traits&gt;&gt; __y)</span>
<span id="L702"><span class="lineNum"> 702</span> : noexcept</span>
<span id="L703"><span class="lineNum"> 703</span> : { return __x.compare(__y) &gt; 0; }</span>
<span id="L704"><span class="lineNum"> 704</span> : </span>
<span id="L705"><span class="lineNum"> 705</span> : template&lt;typename _CharT, typename _Traits&gt;</span>
<span id="L706"><span class="lineNum"> 706</span> : [[nodiscard]]</span>
<span id="L707"><span class="lineNum"> 707</span> : constexpr bool</span>
<span id="L708"><span class="lineNum"> 708</span> : operator&gt; (__type_identity_t&lt;basic_string_view&lt;_CharT, _Traits&gt;&gt; __x,</span>
<span id="L709"><span class="lineNum"> 709</span> : basic_string_view&lt;_CharT, _Traits&gt; __y) noexcept</span>
<span id="L710"><span class="lineNum"> 710</span> : { return __x.compare(__y) &gt; 0; }</span>
<span id="L711"><span class="lineNum"> 711</span> : </span>
<span id="L712"><span class="lineNum"> 712</span> : template&lt;typename _CharT, typename _Traits&gt;</span>
<span id="L713"><span class="lineNum"> 713</span> : [[nodiscard]]</span>
<span id="L714"><span class="lineNum"> 714</span> : constexpr bool</span>
<span id="L715"><span class="lineNum"> 715</span> : operator&lt;=(basic_string_view&lt;_CharT, _Traits&gt; __x,</span>
<span id="L716"><span class="lineNum"> 716</span> : basic_string_view&lt;_CharT, _Traits&gt; __y) noexcept</span>
<span id="L717"><span class="lineNum"> 717</span> : { return __x.compare(__y) &lt;= 0; }</span>
<span id="L718"><span class="lineNum"> 718</span> : </span>
<span id="L719"><span class="lineNum"> 719</span> : template&lt;typename _CharT, typename _Traits&gt;</span>
<span id="L720"><span class="lineNum"> 720</span> : [[nodiscard]]</span>
<span id="L721"><span class="lineNum"> 721</span> : constexpr bool</span>
<span id="L722"><span class="lineNum"> 722</span> : operator&lt;=(basic_string_view&lt;_CharT, _Traits&gt; __x,</span>
<span id="L723"><span class="lineNum"> 723</span> : __type_identity_t&lt;basic_string_view&lt;_CharT, _Traits&gt;&gt; __y)</span>
<span id="L724"><span class="lineNum"> 724</span> : noexcept</span>
<span id="L725"><span class="lineNum"> 725</span> : { return __x.compare(__y) &lt;= 0; }</span>
<span id="L726"><span class="lineNum"> 726</span> : </span>
<span id="L727"><span class="lineNum"> 727</span> : template&lt;typename _CharT, typename _Traits&gt;</span>
<span id="L728"><span class="lineNum"> 728</span> : [[nodiscard]]</span>
<span id="L729"><span class="lineNum"> 729</span> : constexpr bool</span>
<span id="L730"><span class="lineNum"> 730</span> : operator&lt;=(__type_identity_t&lt;basic_string_view&lt;_CharT, _Traits&gt;&gt; __x,</span>
<span id="L731"><span class="lineNum"> 731</span> : basic_string_view&lt;_CharT, _Traits&gt; __y) noexcept</span>
<span id="L732"><span class="lineNum"> 732</span> : { return __x.compare(__y) &lt;= 0; }</span>
<span id="L733"><span class="lineNum"> 733</span> : </span>
<span id="L734"><span class="lineNum"> 734</span> : template&lt;typename _CharT, typename _Traits&gt;</span>
<span id="L735"><span class="lineNum"> 735</span> : [[nodiscard]]</span>
<span id="L736"><span class="lineNum"> 736</span> : constexpr bool</span>
<span id="L737"><span class="lineNum"> 737</span> : operator&gt;=(basic_string_view&lt;_CharT, _Traits&gt; __x,</span>
<span id="L738"><span class="lineNum"> 738</span> : basic_string_view&lt;_CharT, _Traits&gt; __y) noexcept</span>
<span id="L739"><span class="lineNum"> 739</span> : { return __x.compare(__y) &gt;= 0; }</span>
<span id="L740"><span class="lineNum"> 740</span> : </span>
<span id="L741"><span class="lineNum"> 741</span> : template&lt;typename _CharT, typename _Traits&gt;</span>
<span id="L742"><span class="lineNum"> 742</span> : [[nodiscard]]</span>
<span id="L743"><span class="lineNum"> 743</span> : constexpr bool</span>
<span id="L744"><span class="lineNum"> 744</span> : operator&gt;=(basic_string_view&lt;_CharT, _Traits&gt; __x,</span>
<span id="L745"><span class="lineNum"> 745</span> : __type_identity_t&lt;basic_string_view&lt;_CharT, _Traits&gt;&gt; __y)</span>
<span id="L746"><span class="lineNum"> 746</span> : noexcept</span>
<span id="L747"><span class="lineNum"> 747</span> : { return __x.compare(__y) &gt;= 0; }</span>
<span id="L748"><span class="lineNum"> 748</span> : </span>
<span id="L749"><span class="lineNum"> 749</span> : template&lt;typename _CharT, typename _Traits&gt;</span>
<span id="L750"><span class="lineNum"> 750</span> : [[nodiscard]]</span>
<span id="L751"><span class="lineNum"> 751</span> : constexpr bool</span>
<span id="L752"><span class="lineNum"> 752</span> : operator&gt;=(__type_identity_t&lt;basic_string_view&lt;_CharT, _Traits&gt;&gt; __x,</span>
<span id="L753"><span class="lineNum"> 753</span> : basic_string_view&lt;_CharT, _Traits&gt; __y) noexcept</span>
<span id="L754"><span class="lineNum"> 754</span> : { return __x.compare(__y) &gt;= 0; }</span>
<span id="L755"><span class="lineNum"> 755</span> : #endif // three-way comparison</span>
<span id="L756"><span class="lineNum"> 756</span> : </span>
<span id="L757"><span class="lineNum"> 757</span> : #if _GLIBCXX_HOSTED</span>
<span id="L758"><span class="lineNum"> 758</span> : // [string.view.io], Inserters and extractors</span>
<span id="L759"><span class="lineNum"> 759</span> : template&lt;typename _CharT, typename _Traits&gt;</span>
<span id="L760"><span class="lineNum"> 760</span> : inline basic_ostream&lt;_CharT, _Traits&gt;&amp;</span>
<span id="L761"><span class="lineNum"> 761</span> : operator&lt;&lt;(basic_ostream&lt;_CharT, _Traits&gt;&amp; __os,</span>
<span id="L762"><span class="lineNum"> 762</span> : basic_string_view&lt;_CharT,_Traits&gt; __str)</span>
<span id="L763"><span class="lineNum"> 763</span> : { return __ostream_insert(__os, __str.data(), __str.size()); }</span>
<span id="L764"><span class="lineNum"> 764</span> : #endif // HOSTED</span>
<span id="L765"><span class="lineNum"> 765</span> : </span>
<span id="L766"><span class="lineNum"> 766</span> : // basic_string_view typedef names</span>
<span id="L767"><span class="lineNum"> 767</span> : </span>
<span id="L768"><span class="lineNum"> 768</span> : using string_view = basic_string_view&lt;char&gt;;</span>
<span id="L769"><span class="lineNum"> 769</span> : using wstring_view = basic_string_view&lt;wchar_t&gt;;</span>
<span id="L770"><span class="lineNum"> 770</span> : #ifdef _GLIBCXX_USE_CHAR8_T</span>
<span id="L771"><span class="lineNum"> 771</span> : using u8string_view = basic_string_view&lt;char8_t&gt;;</span>
<span id="L772"><span class="lineNum"> 772</span> : #endif</span>
<span id="L773"><span class="lineNum"> 773</span> : using u16string_view = basic_string_view&lt;char16_t&gt;;</span>
<span id="L774"><span class="lineNum"> 774</span> : using u32string_view = basic_string_view&lt;char32_t&gt;;</span>
<span id="L775"><span class="lineNum"> 775</span> : </span>
<span id="L776"><span class="lineNum"> 776</span> : // [string.view.hash], hash support:</span>
<span id="L777"><span class="lineNum"> 777</span> : </span>
<span id="L778"><span class="lineNum"> 778</span> : template&lt;typename _Tp&gt;</span>
<span id="L779"><span class="lineNum"> 779</span> : struct hash;</span>
<span id="L780"><span class="lineNum"> 780</span> : </span>
<span id="L781"><span class="lineNum"> 781</span> : template&lt;&gt;</span>
<span id="L782"><span class="lineNum"> 782</span> : struct hash&lt;string_view&gt;</span>
<span id="L783"><span class="lineNum"> 783</span> : : public __hash_base&lt;size_t, string_view&gt;</span>
<span id="L784"><span class="lineNum"> 784</span> : {</span>
<span id="L785"><span class="lineNum"> 785</span> : [[nodiscard]]</span>
<span id="L786"><span class="lineNum"> 786</span> : size_t</span>
<span id="L787"><span class="lineNum"> 787</span> : operator()(const string_view&amp; __str) const noexcept</span>
<span id="L788"><span class="lineNum"> 788</span> : { return std::_Hash_impl::hash(__str.data(), __str.length()); }</span>
<span id="L789"><span class="lineNum"> 789</span> : };</span>
<span id="L790"><span class="lineNum"> 790</span> : </span>
<span id="L791"><span class="lineNum"> 791</span> : template&lt;&gt;</span>
<span id="L792"><span class="lineNum"> 792</span> : struct __is_fast_hash&lt;hash&lt;string_view&gt;&gt; : std::false_type</span>
<span id="L793"><span class="lineNum"> 793</span> : { };</span>
<span id="L794"><span class="lineNum"> 794</span> : </span>
<span id="L795"><span class="lineNum"> 795</span> : template&lt;&gt;</span>
<span id="L796"><span class="lineNum"> 796</span> : struct hash&lt;wstring_view&gt;</span>
<span id="L797"><span class="lineNum"> 797</span> : : public __hash_base&lt;size_t, wstring_view&gt;</span>
<span id="L798"><span class="lineNum"> 798</span> : {</span>
<span id="L799"><span class="lineNum"> 799</span> : [[nodiscard]]</span>
<span id="L800"><span class="lineNum"> 800</span> : size_t</span>
<span id="L801"><span class="lineNum"> 801</span> : operator()(const wstring_view&amp; __s) const noexcept</span>
<span id="L802"><span class="lineNum"> 802</span> : { return std::_Hash_impl::hash(__s.data(),</span>
<span id="L803"><span class="lineNum"> 803</span> : __s.length() * sizeof(wchar_t)); }</span>
<span id="L804"><span class="lineNum"> 804</span> : };</span>
<span id="L805"><span class="lineNum"> 805</span> : </span>
<span id="L806"><span class="lineNum"> 806</span> : template&lt;&gt;</span>
<span id="L807"><span class="lineNum"> 807</span> : struct __is_fast_hash&lt;hash&lt;wstring_view&gt;&gt; : std::false_type</span>
<span id="L808"><span class="lineNum"> 808</span> : { };</span>
<span id="L809"><span class="lineNum"> 809</span> : </span>
<span id="L810"><span class="lineNum"> 810</span> : #ifdef _GLIBCXX_USE_CHAR8_T</span>
<span id="L811"><span class="lineNum"> 811</span> : template&lt;&gt;</span>
<span id="L812"><span class="lineNum"> 812</span> : struct hash&lt;u8string_view&gt;</span>
<span id="L813"><span class="lineNum"> 813</span> : : public __hash_base&lt;size_t, u8string_view&gt;</span>
<span id="L814"><span class="lineNum"> 814</span> : {</span>
<span id="L815"><span class="lineNum"> 815</span> : [[nodiscard]]</span>
<span id="L816"><span class="lineNum"> 816</span> : size_t</span>
<span id="L817"><span class="lineNum"> 817</span> : operator()(const u8string_view&amp; __str) const noexcept</span>
<span id="L818"><span class="lineNum"> 818</span> : { return std::_Hash_impl::hash(__str.data(), __str.length()); }</span>
<span id="L819"><span class="lineNum"> 819</span> : };</span>
<span id="L820"><span class="lineNum"> 820</span> : </span>
<span id="L821"><span class="lineNum"> 821</span> : template&lt;&gt;</span>
<span id="L822"><span class="lineNum"> 822</span> : struct __is_fast_hash&lt;hash&lt;u8string_view&gt;&gt; : std::false_type</span>
<span id="L823"><span class="lineNum"> 823</span> : { };</span>
<span id="L824"><span class="lineNum"> 824</span> : #endif</span>
<span id="L825"><span class="lineNum"> 825</span> : </span>
<span id="L826"><span class="lineNum"> 826</span> : template&lt;&gt;</span>
<span id="L827"><span class="lineNum"> 827</span> : struct hash&lt;u16string_view&gt;</span>
<span id="L828"><span class="lineNum"> 828</span> : : public __hash_base&lt;size_t, u16string_view&gt;</span>
<span id="L829"><span class="lineNum"> 829</span> : {</span>
<span id="L830"><span class="lineNum"> 830</span> : [[nodiscard]]</span>
<span id="L831"><span class="lineNum"> 831</span> : size_t</span>
<span id="L832"><span class="lineNum"> 832</span> : operator()(const u16string_view&amp; __s) const noexcept</span>
<span id="L833"><span class="lineNum"> 833</span> : { return std::_Hash_impl::hash(__s.data(),</span>
<span id="L834"><span class="lineNum"> 834</span> : __s.length() * sizeof(char16_t)); }</span>
<span id="L835"><span class="lineNum"> 835</span> : };</span>
<span id="L836"><span class="lineNum"> 836</span> : </span>
<span id="L837"><span class="lineNum"> 837</span> : template&lt;&gt;</span>
<span id="L838"><span class="lineNum"> 838</span> : struct __is_fast_hash&lt;hash&lt;u16string_view&gt;&gt; : std::false_type</span>
<span id="L839"><span class="lineNum"> 839</span> : { };</span>
<span id="L840"><span class="lineNum"> 840</span> : </span>
<span id="L841"><span class="lineNum"> 841</span> : template&lt;&gt;</span>
<span id="L842"><span class="lineNum"> 842</span> : struct hash&lt;u32string_view&gt;</span>
<span id="L843"><span class="lineNum"> 843</span> : : public __hash_base&lt;size_t, u32string_view&gt;</span>
<span id="L844"><span class="lineNum"> 844</span> : {</span>
<span id="L845"><span class="lineNum"> 845</span> : [[nodiscard]]</span>
<span id="L846"><span class="lineNum"> 846</span> : size_t</span>
<span id="L847"><span class="lineNum"> 847</span> : operator()(const u32string_view&amp; __s) const noexcept</span>
<span id="L848"><span class="lineNum"> 848</span> : { return std::_Hash_impl::hash(__s.data(),</span>
<span id="L849"><span class="lineNum"> 849</span> : __s.length() * sizeof(char32_t)); }</span>
<span id="L850"><span class="lineNum"> 850</span> : };</span>
<span id="L851"><span class="lineNum"> 851</span> : </span>
<span id="L852"><span class="lineNum"> 852</span> : template&lt;&gt;</span>
<span id="L853"><span class="lineNum"> 853</span> : struct __is_fast_hash&lt;hash&lt;u32string_view&gt;&gt; : std::false_type</span>
<span id="L854"><span class="lineNum"> 854</span> : { };</span>
<span id="L855"><span class="lineNum"> 855</span> : </span>
<span id="L856"><span class="lineNum"> 856</span> : inline namespace literals</span>
<span id="L857"><span class="lineNum"> 857</span> : {</span>
<span id="L858"><span class="lineNum"> 858</span> : inline namespace string_view_literals</span>
<span id="L859"><span class="lineNum"> 859</span> : {</span>
<span id="L860"><span class="lineNum"> 860</span> : #pragma GCC diagnostic push</span>
<span id="L861"><span class="lineNum"> 861</span> : #pragma GCC diagnostic ignored &quot;-Wliteral-suffix&quot;</span>
<span id="L862"><span class="lineNum"> 862</span> : inline constexpr basic_string_view&lt;char&gt;</span>
<span id="L863"><span class="lineNum"> 863</span> : operator&quot;&quot;sv(const char* __str, size_t __len) noexcept</span>
<span id="L864"><span class="lineNum"> 864</span> : { return basic_string_view&lt;char&gt;{__str, __len}; }</span>
<span id="L865"><span class="lineNum"> 865</span> : </span>
<span id="L866"><span class="lineNum"> 866</span> : inline constexpr basic_string_view&lt;wchar_t&gt;</span>
<span id="L867"><span class="lineNum"> 867</span> : operator&quot;&quot;sv(const wchar_t* __str, size_t __len) noexcept</span>
<span id="L868"><span class="lineNum"> 868</span> : { return basic_string_view&lt;wchar_t&gt;{__str, __len}; }</span>
<span id="L869"><span class="lineNum"> 869</span> : </span>
<span id="L870"><span class="lineNum"> 870</span> : #ifdef _GLIBCXX_USE_CHAR8_T</span>
<span id="L871"><span class="lineNum"> 871</span> : inline constexpr basic_string_view&lt;char8_t&gt;</span>
<span id="L872"><span class="lineNum"> 872</span> : operator&quot;&quot;sv(const char8_t* __str, size_t __len) noexcept</span>
<span id="L873"><span class="lineNum"> 873</span> : { return basic_string_view&lt;char8_t&gt;{__str, __len}; }</span>
<span id="L874"><span class="lineNum"> 874</span> : #endif</span>
<span id="L875"><span class="lineNum"> 875</span> : </span>
<span id="L876"><span class="lineNum"> 876</span> : inline constexpr basic_string_view&lt;char16_t&gt;</span>
<span id="L877"><span class="lineNum"> 877</span> : operator&quot;&quot;sv(const char16_t* __str, size_t __len) noexcept</span>
<span id="L878"><span class="lineNum"> 878</span> : { return basic_string_view&lt;char16_t&gt;{__str, __len}; }</span>
<span id="L879"><span class="lineNum"> 879</span> : </span>
<span id="L880"><span class="lineNum"> 880</span> : inline constexpr basic_string_view&lt;char32_t&gt;</span>
<span id="L881"><span class="lineNum"> 881</span> : operator&quot;&quot;sv(const char32_t* __str, size_t __len) noexcept</span>
<span id="L882"><span class="lineNum"> 882</span> : { return basic_string_view&lt;char32_t&gt;{__str, __len}; }</span>
<span id="L883"><span class="lineNum"> 883</span> : </span>
<span id="L884"><span class="lineNum"> 884</span> : #pragma GCC diagnostic pop</span>
<span id="L885"><span class="lineNum"> 885</span> : } // namespace string_literals</span>
<span id="L886"><span class="lineNum"> 886</span> : } // namespace literals</span>
<span id="L887"><span class="lineNum"> 887</span> : </span>
<span id="L888"><span class="lineNum"> 888</span> : #if __cpp_lib_concepts</span>
<span id="L889"><span class="lineNum"> 889</span> : namespace ranges</span>
<span id="L890"><span class="lineNum"> 890</span> : {</span>
<span id="L891"><span class="lineNum"> 891</span> : // Opt-in to borrowed_range concept</span>
<span id="L892"><span class="lineNum"> 892</span> : template&lt;typename _CharT, typename _Traits&gt;</span>
<span id="L893"><span class="lineNum"> 893</span> : inline constexpr bool</span>
<span id="L894"><span class="lineNum"> 894</span> : enable_borrowed_range&lt;basic_string_view&lt;_CharT, _Traits&gt;&gt; = true;</span>
<span id="L895"><span class="lineNum"> 895</span> : </span>
<span id="L896"><span class="lineNum"> 896</span> : // Opt-in to view concept</span>
<span id="L897"><span class="lineNum"> 897</span> : template&lt;typename _CharT, typename _Traits&gt;</span>
<span id="L898"><span class="lineNum"> 898</span> : inline constexpr bool</span>
<span id="L899"><span class="lineNum"> 899</span> : enable_view&lt;basic_string_view&lt;_CharT, _Traits&gt;&gt; = true;</span>
<span id="L900"><span class="lineNum"> 900</span> : }</span>
<span id="L901"><span class="lineNum"> 901</span> : #endif</span>
<span id="L902"><span class="lineNum"> 902</span> : _GLIBCXX_END_NAMESPACE_VERSION</span>
<span id="L903"><span class="lineNum"> 903</span> : } // namespace std</span>
<span id="L904"><span class="lineNum"> 904</span> : </span>
<span id="L905"><span class="lineNum"> 905</span> : #include &lt;bits/string_view.tcc&gt;</span>
<span id="L906"><span class="lineNum"> 906</span> : </span>
<span id="L907"><span class="lineNum"> 907</span> : #endif // __cplusplus &lt;= 201402L</span>
<span id="L908"><span class="lineNum"> 908</span> : </span>
<span id="L909"><span class="lineNum"> 909</span> : #endif // _GLIBCXX_EXPERIMENTAL_STRING_VIEW</span>
</pre>
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