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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> <meta http-equiv="X-UA-Compatible" content="IE=9"/> <meta name="generator" content="Doxygen 1.8.14"/> <meta name="viewport" content="width=device-width, initial-scale=1"/> <title>ICU 78.3: common/unicode/char16ptr.h Source File</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="jquery.js"></script> <script type="text/javascript" src="dynsections.js"></script> <link href="search/search.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="search/searchdata.js"></script> <script type="text/javascript" src="search/search.js"></script> <link href="doxygen.css" rel="stylesheet" type="text/css" /> </head> <body> <div id="top"><!-- do not remove this div, it is closed by doxygen! --> <div id="titlearea"> <table cellspacing="0" cellpadding="0"> <tbody> <tr style="height: 56px;"> <td id="projectalign" style="padding-left: 0.5em;"> <div id="projectname">ICU 78.3  <span id="projectnumber">78.3</span> </div> </td> </tr> </tbody> </table> </div> <!-- end header part --> <!-- Generated by Doxygen 1.8.14 --> <script type="text/javascript"> /* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&dn=gpl-2.0.txt GPL-v2 / var searchBox = new SearchBox("searchBox", "search",false,'Search'); / @license-end / </script> <script type="text/javascript" src="menudata.js"></script> <script type="text/javascript" src="menu.js"></script> <script type="text/javascript"> / @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&dn=gpl-2.0.txt GPL-v2 / $(function() { initMenu('',true,false,'search.php','Search'); $(document).ready(function() { init_search(); }); }); / @license-end /</script> <div id="main-nav"></div> <!-- window showing the filter options --> <div id="MSearchSelectWindow" onmouseover="return searchBox.OnSearchSelectShow()" onmouseout="return searchBox.OnSearchSelectHide()" onkeydown="return searchBox.OnSearchSelectKey(event)"> </div> <!-- iframe showing the search results (closed by default) --> <div id="MSearchResultsWindow"> <iframe src="javascript:void(0)" frameborder="0" name="MSearchResults" id="MSearchResults"> </iframe> </div> <div id="nav-path" class="navpath"> <ul> <li class="navelem"><a class="el" href="dir_bdd9a5d540de89e9fe90efdfc6973a4f.html">common</a></li><li class="navelem"><a class="el" href="dir_f59c6450ff718ff1b085cfd1c36acbd7.html">unicode</a></li> </ul> </div> </div><!-- top --> <div class="header"> <div class="headertitle"> <div class="title">char16ptr.h</div> </div> </div><!--header--> <div class="contents"> <a href="char16ptr_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// © 2017 and later: Unicode, Inc. and others.</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">// License & terms of use: http://www.unicode.org/copyright.html</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> </div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">// char16ptr.h</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">// created: 2017feb28 Markus W. Scherer</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> </div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="preprocessor">#ifndef __CHAR16PTR_H__</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="preprocessor">#define __CHAR16PTR_H__</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> </div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="preprocessor">#include "<a class="code" href="utypes_8h.html">unicode/utypes.h</a>"</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> </div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor">#if U_SHOW_CPLUSPLUS_API \|\| U_SHOW_CPLUSPLUS_HEADER_API</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> </div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#include <cstddef></span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#include <string_view></span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#include <type_traits></span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> </div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> </div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#ifdef U_ALIASING_BARRIER</span></div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  <span class="comment">// Use the predefined value.</span></div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor">#elif (defined(__clang__) \|\| defined(__GNUC__)) && U_PLATFORM != U_PF_BROWSER_NATIVE_CLIENT</span></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor"># define U_ALIASING_BARRIER(ptr) asm volatile("" : : "rm"(ptr) : "memory")</span></div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor">#elif defined(U_IN_DOXYGEN)</span></div><div class="line"><a name="l00037"></a><span class="lineno"><a class="line" href="char16ptr_8h.html#ae84441e7e27b1de2e0f40abb4723104d"> 37</a></span> <span class="preprocessor"># define U_ALIASING_BARRIER(ptr)</span></div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> </div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="comment">// ICU DLL-exported</span></div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="preprocessor">#if U_SHOW_CPLUSPLUS_API</span></div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> </div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> U_NAMESPACE_BEGIN</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> </div><div class="line"><a name="l00049"></a><span class="lineno"><a class="line" href="classicu_1_1Char16Ptr.html"> 49</a></span> <span class="keyword">class </span><a class="code" href="utypes_8h.html#a559955ec3bc692657c5d8b1c6de8e334">U_COMMON_API</a> <a class="code" href="classicu_1_1Char16Ptr.html">Char16Ptr</a> final {</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="keyword">public</span>:</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="keyword">inline</span> <a class="code" href="classicu_1_1Char16Ptr.html">Char16Ptr</a>(char16_t p);</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="preprocessor">#if !U_CHAR16_IS_TYPEDEF</span></div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span> </div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keyword">inline</span> <a class="code" href="classicu_1_1Char16Ptr.html">Char16Ptr</a>(uint16_t p);</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span> <span class="preprocessor">#if U_SIZEOF_WCHAR_T==2 \|\| defined(U_IN_DOXYGEN)</span></div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span> </div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="keyword">inline</span> <a class="code" href="classicu_1_1Char16Ptr.html">Char16Ptr</a>(<span class="keywordtype">wchar_t</span> p);</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span> </div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="keyword">inline</span> <a class="code" href="classicu_1_1Char16Ptr.html">Char16Ptr</a>(std::nullptr_t p);</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="keyword">inline</span> ~<a class="code" href="classicu_1_1Char16Ptr.html">Char16Ptr</a>();</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span> </div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keyword">inline</span> char16_t <span class="keyword">get</span>() <span class="keyword">const</span>;</div><div class="line"><a name="l00097"></a><span class="lineno"><a class="line" href="classicu_1_1Char16Ptr.html#a75d96958cb9878520d959fa7e203f72e"> 97</a></span>  <span class="keyword">inline</span> <span class="keyword">operator</span> char16_t () <span class="keyword">const</span> { <span class="keywordflow">return</span> <span class="keyword">get</span>(); }</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span> </div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span> <span class="keyword">private</span>:</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <a class="code" href="classicu_1_1Char16Ptr.html">Char16Ptr</a>() = <span class="keyword">delete</span>;</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span> </div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span> <span class="preprocessor">#ifdef U_ALIASING_BARRIER</span></div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="keyword">template</span><<span class="keyword">typename</span> T> <span class="keyword">static</span> char16_t cast(T t) {</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <a class="code" href="char16ptr_8h.html#ae84441e7e27b1de2e0f40abb4723104d">U_ALIASING_BARRIER</a>(t);</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="keywordflow">return</span> <span class="keyword">reinterpret_cast<</span>char16_t <span class="keyword">></span>(t);</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  }</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span> </div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  char16_t p_;</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span> <span class="preprocessor">#else</span></div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="keyword">union </span>{</div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  char16_t cp;</div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  uint16_t up;</div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="keywordtype">wchar_t</span> wp;</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  } u_;</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span> };</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span> </div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span> <span class="preprocessor">#ifdef U_ALIASING_BARRIER</span></div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span> </div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span> Char16Ptr::Char16Ptr(char16_t p) : p_(p) {}</div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span> <span class="preprocessor">#if !U_CHAR16_IS_TYPEDEF</span></div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span> Char16Ptr::Char16Ptr(uint16_t p) : p_(cast(p)) {}</div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span> <span class="preprocessor">#if U_SIZEOF_WCHAR_T==2</span></div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span> Char16Ptr::Char16Ptr(<span class="keywordtype">wchar_t</span> p) : p_(cast(p)) {}</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span> Char16Ptr::Char16Ptr(std::nullptr_t p) : p_(p) {}</div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span> <a class="code" href="classicu_1_1Char16Ptr.html#a126f043fef26471fc7e925498aeb0f37">Char16Ptr::~Char16Ptr</a>() {</div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <a class="code" href="char16ptr_8h.html#ae84441e7e27b1de2e0f40abb4723104d">U_ALIASING_BARRIER</a>(p_);</div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span> }</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span> </div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span> char16_t <a class="code" href="classicu_1_1Char16Ptr.html#a8eeb81d8a416683c96e7b30694afd335">Char16Ptr::get</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> p_; }</div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span> </div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span> <span class="preprocessor">#else</span></div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span> </div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span> Char16Ptr::Char16Ptr(char16_t p) { u_.cp = p; }</div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span> <span class="preprocessor">#if !U_CHAR16_IS_TYPEDEF</span></div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span> Char16Ptr::Char16Ptr(uint16_t p) { u_.up = p; }</div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span> <span class="preprocessor">#if U_SIZEOF_WCHAR_T==2</span></div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span> Char16Ptr::Char16Ptr(<span class="keywordtype">wchar_t</span> p) { u_.wp = p; }</div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span> Char16Ptr::Char16Ptr(std::nullptr_t p) { u_.cp = p; }</div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span> <a class="code" href="classicu_1_1Char16Ptr.html#a126f043fef26471fc7e925498aeb0f37">Char16Ptr::~Char16Ptr</a>() {}</div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span> </div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span> char16_t <a class="code" href="classicu_1_1Char16Ptr.html#a8eeb81d8a416683c96e7b30694afd335">Char16Ptr::get</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> u_.cp; }</div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span> </div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span> </div><div class="line"><a name="l00156"></a><span class="lineno"><a class="line" href="classicu_1_1ConstChar16Ptr.html"> 156</a></span> <span class="keyword">class </span><a class="code" href="utypes_8h.html#a559955ec3bc692657c5d8b1c6de8e334">U_COMMON_API</a> <a class="code" href="classicu_1_1ConstChar16Ptr.html">ConstChar16Ptr</a> final {</div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span> <span class="keyword">public</span>:</div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="keyword">inline</span> <a class="code" href="classicu_1_1ConstChar16Ptr.html">ConstChar16Ptr</a>(<span class="keyword">const</span> char16_t p);</div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span> <span class="preprocessor">#if !U_CHAR16_IS_TYPEDEF</span></div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span> </div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="keyword">inline</span> <a class="code" href="classicu_1_1ConstChar16Ptr.html">ConstChar16Ptr</a>(<span class="keyword">const</span> uint16_t p);</div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span> <span class="preprocessor">#if U_SIZEOF_WCHAR_T==2 \|\| defined(U_IN_DOXYGEN)</span></div><div class="line"><a name="l00173"></a><span class="lineno"> 173</span> </div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  <span class="keyword">inline</span> <a class="code" href="classicu_1_1ConstChar16Ptr.html">ConstChar16Ptr</a>(<span class="keyword">const</span> <span class="keywordtype">wchar_t</span> p);</div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span> </div><div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  <span class="keyword">inline</span> <a class="code" href="classicu_1_1ConstChar16Ptr.html">ConstChar16Ptr</a>(<span class="keyword">const</span> std::nullptr_t p);</div><div class="line"><a name="l00187"></a><span class="lineno"> 187</span> </div><div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  <span class="keyword">inline</span> ~<a class="code" href="classicu_1_1ConstChar16Ptr.html">ConstChar16Ptr</a>();</div><div class="line"><a name="l00193"></a><span class="lineno"> 193</span> </div><div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  <span class="keyword">inline</span> <span class="keyword">const</span> char16_t <span class="keyword">get</span>() <span class="keyword">const</span>;</div><div class="line"><a name="l00205"></a><span class="lineno"><a class="line" href="classicu_1_1ConstChar16Ptr.html#ab7802c91b77a2c966d1b458419480331"> 205</a></span>  <span class="keyword">inline</span> <span class="keyword">operator</span> <span class="keyword">const</span> char16_t () <span class="keyword">const</span> { <span class="keywordflow">return</span> <span class="keyword">get</span>(); }</div><div class="line"><a name="l00206"></a><span class="lineno"> 206</span> </div><div class="line"><a name="l00207"></a><span class="lineno"> 207</span> <span class="keyword">private</span>:</div><div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  <a class="code" href="classicu_1_1ConstChar16Ptr.html">ConstChar16Ptr</a>() = <span class="keyword">delete</span>;</div><div class="line"><a name="l00209"></a><span class="lineno"> 209</span> </div><div class="line"><a name="l00210"></a><span class="lineno"> 210</span> <span class="preprocessor">#ifdef U_ALIASING_BARRIER</span></div><div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  <span class="keyword">template</span><<span class="keyword">typename</span> T> <span class="keyword">static</span> <span class="keyword">const</span> char16_t cast(<span class="keyword">const</span> T t) {</div><div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  <a class="code" href="char16ptr_8h.html#ae84441e7e27b1de2e0f40abb4723104d">U_ALIASING_BARRIER</a>(t);</div><div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  <span class="keywordflow">return</span> <span class="keyword">reinterpret_cast<</span><span class="keyword">const </span>char16_t <span class="keyword">></span>(t);</div><div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  }</div><div class="line"><a name="l00215"></a><span class="lineno"> 215</span> </div><div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  <span class="keyword">const</span> char16_t p_;</div><div class="line"><a name="l00217"></a><span class="lineno"> 217</span> <span class="preprocessor">#else</span></div><div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  <span class="keyword">union </span>{</div><div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  <span class="keyword">const</span> char16_t cp;</div><div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  <span class="keyword">const</span> uint16_t up;</div><div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <span class="keyword">const</span> <span class="keywordtype">wchar_t</span> wp;</div><div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  } u_;</div><div class="line"><a name="l00223"></a><span class="lineno"> 223</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00224"></a><span class="lineno"> 224</span> };</div><div class="line"><a name="l00225"></a><span class="lineno"> 225</span> </div><div class="line"><a name="l00227"></a><span class="lineno"> 227</span> <span class="preprocessor">#ifdef U_ALIASING_BARRIER</span></div><div class="line"><a name="l00228"></a><span class="lineno"> 228</span> </div><div class="line"><a name="l00229"></a><span class="lineno"> 229</span> ConstChar16Ptr::ConstChar16Ptr(<span class="keyword">const</span> char16_t p) : p_(p) {}</div><div class="line"><a name="l00230"></a><span class="lineno"> 230</span> <span class="preprocessor">#if !U_CHAR16_IS_TYPEDEF</span></div><div class="line"><a name="l00231"></a><span class="lineno"> 231</span> ConstChar16Ptr::ConstChar16Ptr(<span class="keyword">const</span> uint16_t p) : p_(cast(p)) {}</div><div class="line"><a name="l00232"></a><span class="lineno"> 232</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00233"></a><span class="lineno"> 233</span> <span class="preprocessor">#if U_SIZEOF_WCHAR_T==2</span></div><div class="line"><a name="l00234"></a><span class="lineno"> 234</span> ConstChar16Ptr::ConstChar16Ptr(<span class="keyword">const</span> <span class="keywordtype">wchar_t</span> p) : p_(cast(p)) {}</div><div class="line"><a name="l00235"></a><span class="lineno"> 235</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00236"></a><span class="lineno"> 236</span> ConstChar16Ptr::ConstChar16Ptr(<span class="keyword">const</span> std::nullptr_t p) : p_(p) {}</div><div class="line"><a name="l00237"></a><span class="lineno"> 237</span> <a class="code" href="classicu_1_1ConstChar16Ptr.html#a3ba7b7f72d58d276f484c62b4a274f89">ConstChar16Ptr::~ConstChar16Ptr</a>() {</div><div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  <a class="code" href="char16ptr_8h.html#ae84441e7e27b1de2e0f40abb4723104d">U_ALIASING_BARRIER</a>(p_);</div><div class="line"><a name="l00239"></a><span class="lineno"> 239</span> }</div><div class="line"><a name="l00240"></a><span class="lineno"> 240</span> </div><div class="line"><a name="l00241"></a><span class="lineno"> 241</span> <span class="keyword">const</span> char16_t <a class="code" href="classicu_1_1ConstChar16Ptr.html#a1e341e5cc9ac6052948089b910ef337e">ConstChar16Ptr::get</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> p_; }</div><div class="line"><a name="l00242"></a><span class="lineno"> 242</span> </div><div class="line"><a name="l00243"></a><span class="lineno"> 243</span> <span class="preprocessor">#else</span></div><div class="line"><a name="l00244"></a><span class="lineno"> 244</span> </div><div class="line"><a name="l00245"></a><span class="lineno"> 245</span> ConstChar16Ptr::ConstChar16Ptr(<span class="keyword">const</span> char16_t p) { u_.cp = p; }</div><div class="line"><a name="l00246"></a><span class="lineno"> 246</span> <span class="preprocessor">#if !U_CHAR16_IS_TYPEDEF</span></div><div class="line"><a name="l00247"></a><span class="lineno"> 247</span> ConstChar16Ptr::ConstChar16Ptr(<span class="keyword">const</span> uint16_t p) { u_.up = p; }</div><div class="line"><a name="l00248"></a><span class="lineno"> 248</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00249"></a><span class="lineno"> 249</span> <span class="preprocessor">#if U_SIZEOF_WCHAR_T==2</span></div><div class="line"><a name="l00250"></a><span class="lineno"> 250</span> ConstChar16Ptr::ConstChar16Ptr(<span class="keyword">const</span> <span class="keywordtype">wchar_t</span> p) { u_.wp = p; }</div><div class="line"><a name="l00251"></a><span class="lineno"> 251</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00252"></a><span class="lineno"> 252</span> ConstChar16Ptr::ConstChar16Ptr(<span class="keyword">const</span> std::nullptr_t p) { u_.cp = p; }</div><div class="line"><a name="l00253"></a><span class="lineno"> 253</span> <a class="code" href="classicu_1_1ConstChar16Ptr.html#a3ba7b7f72d58d276f484c62b4a274f89">ConstChar16Ptr::~ConstChar16Ptr</a>() {}</div><div class="line"><a name="l00254"></a><span class="lineno"> 254</span> </div><div class="line"><a name="l00255"></a><span class="lineno"> 255</span> <span class="keyword">const</span> char16_t <a class="code" href="classicu_1_1ConstChar16Ptr.html#a1e341e5cc9ac6052948089b910ef337e">ConstChar16Ptr::get</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> u_.cp; }</div><div class="line"><a name="l00256"></a><span class="lineno"> 256</span> </div><div class="line"><a name="l00257"></a><span class="lineno"> 257</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00258"></a><span class="lineno"> 258</span> </div><div class="line"><a name="l00260"></a><span class="lineno"> 260</span> U_NAMESPACE_END</div><div class="line"><a name="l00261"></a><span class="lineno"> 261</span> </div><div class="line"><a name="l00262"></a><span class="lineno"> 262</span> <span class="preprocessor">#endif // U_SHOW_CPLUSPLUS_API</span></div><div class="line"><a name="l00263"></a><span class="lineno"> 263</span> </div><div class="line"><a name="l00264"></a><span class="lineno"> 264</span> <span class="comment">// Usable in header-only definitions</span></div><div class="line"><a name="l00265"></a><span class="lineno"> 265</span> <span class="preprocessor">#if U_SHOW_CPLUSPLUS_API \|\| U_SHOW_CPLUSPLUS_HEADER_API</span></div><div class="line"><a name="l00266"></a><span class="lineno"> 266</span> </div><div class="line"><a name="l00267"></a><span class="lineno"> 267</span> <span class="keyword">namespace </span><a class="code" href="namespaceU__ICU__NAMESPACE__OR__INTERNAL.html">U_ICU_NAMESPACE_OR_INTERNAL</a> {</div><div class="line"><a name="l00268"></a><span class="lineno"> 268</span> </div><div class="line"><a name="l00269"></a><span class="lineno"> 269</span> <span class="preprocessor">#ifndef U_FORCE_HIDE_INTERNAL_API</span></div><div class="line"><a name="l00270"></a><span class="lineno"> 270</span> </div><div class="line"><a name="l00271"></a><span class="lineno"> 271</span> <span class="keyword">template</span><<span class="keyword">typename</span> T, <span class="keyword">typename</span> = std::enable_if_t<std::is_same_v<T, UChar>>></div><div class="line"><a name="l00272"></a><span class="lineno"><a class="line" href="char16ptr_8h.html#a77e7f99ccb9bd85a02fa9142260e4400"> 272</a></span> <span class="keyword">inline</span> <span class="keyword">const</span> char16_t <a class="code" href="char16ptr_8h.html#a77e7f99ccb9bd85a02fa9142260e4400">uprv_char16PtrFromUChar</a>(<span class="keyword">const</span> T p) {</div><div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  <span class="keywordflow">if</span> constexpr (std::is_same_v<UChar, char16_t>) {</div><div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  <span class="keywordflow">return</span> p;</div><div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00276"></a><span class="lineno"> 276</span> <span class="preprocessor">#if U_SHOW_CPLUSPLUS_API</span></div><div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  <span class="keywordflow">return</span> ConstChar16Ptr(p).get();</div><div class="line"><a name="l00278"></a><span class="lineno"> 278</span> <span class="preprocessor">#else</span></div><div class="line"><a name="l00279"></a><span class="lineno"> 279</span> <span class="preprocessor">#ifdef U_ALIASING_BARRIER</span></div><div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  <a class="code" href="char16ptr_8h.html#ae84441e7e27b1de2e0f40abb4723104d">U_ALIASING_BARRIER</a>(p);</div><div class="line"><a name="l00281"></a><span class="lineno"> 281</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  <span class="keywordflow">return</span> <span class="keyword">reinterpret_cast<</span><span class="keyword">const </span>char16_t <span class="keyword">></span>(p);</div><div class="line"><a name="l00283"></a><span class="lineno"> 283</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  }</div><div class="line"><a name="l00285"></a><span class="lineno"> 285</span> }</div><div class="line"><a name="l00286"></a><span class="lineno"> 286</span> <span class="preprocessor">#if !U_CHAR16_IS_TYPEDEF && (!defined(_LIBCPP_VERSION) \|\| _LIBCPP_VERSION < 180000)</span></div><div class="line"><a name="l00287"></a><span class="lineno"> 287</span> </div><div class="line"><a name="l00288"></a><span class="lineno"><a class="line" href="char16ptr_8h.html#a24af3a556c7933077bfa5a64b9dc44c3"> 288</a></span> <span class="keyword">inline</span> <span class="keyword">const</span> char16_t <a class="code" href="char16ptr_8h.html#a24af3a556c7933077bfa5a64b9dc44c3">uprv_char16PtrFromUint16</a>(<span class="keyword">const</span> uint16_t p) {</div><div class="line"><a name="l00289"></a><span class="lineno"> 289</span> <span class="preprocessor">#if U_SHOW_CPLUSPLUS_API</span></div><div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  <span class="keywordflow">return</span> ConstChar16Ptr(p).get();</div><div class="line"><a name="l00291"></a><span class="lineno"> 291</span> <span class="preprocessor">#else</span></div><div class="line"><a name="l00292"></a><span class="lineno"> 292</span> <span class="preprocessor">#ifdef U_ALIASING_BARRIER</span></div><div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  <a class="code" href="char16ptr_8h.html#ae84441e7e27b1de2e0f40abb4723104d">U_ALIASING_BARRIER</a>(p);</div><div class="line"><a name="l00294"></a><span class="lineno"> 294</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  <span class="keywordflow">return</span> <span class="keyword">reinterpret_cast<</span><span class="keyword">const </span>char16_t <span class="keyword">></span>(p);</div><div class="line"><a name="l00296"></a><span class="lineno"> 296</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00297"></a><span class="lineno"> 297</span> }</div><div class="line"><a name="l00298"></a><span class="lineno"> 298</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00299"></a><span class="lineno"> 299</span> <span class="preprocessor">#if U_SIZEOF_WCHAR_T==2</span></div><div class="line"><a name="l00300"></a><span class="lineno"> 300</span> </div><div class="line"><a name="l00301"></a><span class="lineno"> 301</span> <span class="keyword">inline</span> <span class="keyword">const</span> char16_t uprv_char16PtrFromWchar(<span class="keyword">const</span> <span class="keywordtype">wchar_t</span> p) {</div><div class="line"><a name="l00302"></a><span class="lineno"> 302</span> <span class="preprocessor">#if U_SHOW_CPLUSPLUS_API</span></div><div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  <span class="keywordflow">return</span> ConstChar16Ptr(p).get();</div><div class="line"><a name="l00304"></a><span class="lineno"> 304</span> <span class="preprocessor">#else</span></div><div class="line"><a name="l00305"></a><span class="lineno"> 305</span> <span class="preprocessor">#ifdef U_ALIASING_BARRIER</span></div><div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  <a class="code" href="char16ptr_8h.html#ae84441e7e27b1de2e0f40abb4723104d">U_ALIASING_BARRIER</a>(p);</div><div class="line"><a name="l00307"></a><span class="lineno"> 307</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  <span class="keywordflow">return</span> <span class="keyword">reinterpret_cast<</span><span class="keyword">const </span>char16_t <span class="keyword">></span>(p);</div><div class="line"><a name="l00309"></a><span class="lineno"> 309</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00310"></a><span class="lineno"> 310</span> }</div><div class="line"><a name="l00311"></a><span class="lineno"> 311</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00312"></a><span class="lineno"> 312</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00313"></a><span class="lineno"> 313</span> </div><div class="line"><a name="l00321"></a><span class="lineno"><a class="line" href="char16ptr_8h.html#a4ba7b1128c25e3aec07215c34badb616"> 321</a></span> <span class="keyword">inline</span> <span class="keyword">const</span> <a class="code" href="umachine_8h.html#a6bb9fad572d65b305324ef288165e2ac">UChar</a> <a class="code" href="char16ptr_8h.html#a4ba7b1128c25e3aec07215c34badb616">toUCharPtr</a>(<span class="keyword">const</span> char16_t p) {</div><div class="line"><a name="l00322"></a><span class="lineno"> 322</span> <span class="preprocessor">#ifdef U_ALIASING_BARRIER</span></div><div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  <a class="code" href="char16ptr_8h.html#ae84441e7e27b1de2e0f40abb4723104d">U_ALIASING_BARRIER</a>(p);</div><div class="line"><a name="l00324"></a><span class="lineno"> 324</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  <span class="keywordflow">return</span> <span class="keyword">reinterpret_cast<</span><span class="keyword">const </span><a class="code" href="umachine_8h.html#a6bb9fad572d65b305324ef288165e2ac">UChar</a> <span class="keyword">></span>(p);</div><div class="line"><a name="l00326"></a><span class="lineno"> 326</span> }</div><div class="line"><a name="l00327"></a><span class="lineno"> 327</span> </div><div class="line"><a name="l00335"></a><span class="lineno"><a class="line" href="char16ptr_8h.html#a5eb0547f5f968c633896c5f96d86a28c"> 335</a></span> <span class="keyword">inline</span> <a class="code" href="umachine_8h.html#a6bb9fad572d65b305324ef288165e2ac">UChar</a> <a class="code" href="char16ptr_8h.html#a4ba7b1128c25e3aec07215c34badb616">toUCharPtr</a>(char16_t p) {</div><div class="line"><a name="l00336"></a><span class="lineno"> 336</span> <span class="preprocessor">#ifdef U_ALIASING_BARRIER</span></div><div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  <a class="code" href="char16ptr_8h.html#ae84441e7e27b1de2e0f40abb4723104d">U_ALIASING_BARRIER</a>(p);</div><div class="line"><a name="l00338"></a><span class="lineno"> 338</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00339"></a><span class="lineno"> 339</span>  <span class="keywordflow">return</span> <span class="keyword">reinterpret_cast<</span><a class="code" href="umachine_8h.html#a6bb9fad572d65b305324ef288165e2ac">UChar</a> <span class="keyword">></span>(p);</div><div class="line"><a name="l00340"></a><span class="lineno"> 340</span> }</div><div class="line"><a name="l00341"></a><span class="lineno"> 341</span> </div><div class="line"><a name="l00349"></a><span class="lineno"><a class="line" href="char16ptr_8h.html#aecae6013bb14defcdfcb53e98c442b2c"> 349</a></span> <span class="keyword">inline</span> <span class="keyword">const</span> <a class="code" href="umachine_8h.html#a85b92f7aa77a10e854b4cbff55a7a88c">OldUChar</a> <a class="code" href="char16ptr_8h.html#aecae6013bb14defcdfcb53e98c442b2c">toOldUCharPtr</a>(<span class="keyword">const</span> char16_t p) {</div><div class="line"><a name="l00350"></a><span class="lineno"> 350</span> <span class="preprocessor">#ifdef U_ALIASING_BARRIER</span></div><div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  <a class="code" href="char16ptr_8h.html#ae84441e7e27b1de2e0f40abb4723104d">U_ALIASING_BARRIER</a>(p);</div><div class="line"><a name="l00352"></a><span class="lineno"> 352</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  <span class="keywordflow">return</span> <span class="keyword">reinterpret_cast<</span><span class="keyword">const </span><a class="code" href="umachine_8h.html#a85b92f7aa77a10e854b4cbff55a7a88c">OldUChar</a> <span class="keyword">></span>(p);</div><div class="line"><a name="l00354"></a><span class="lineno"> 354</span> }</div><div class="line"><a name="l00355"></a><span class="lineno"> 355</span> </div><div class="line"><a name="l00363"></a><span class="lineno"><a class="line" href="char16ptr_8h.html#adcff3cdf9c1a07ced89da93f83daa20d"> 363</a></span> <span class="keyword">inline</span> <a class="code" href="umachine_8h.html#a85b92f7aa77a10e854b4cbff55a7a88c">OldUChar</a> <a class="code" href="char16ptr_8h.html#aecae6013bb14defcdfcb53e98c442b2c">toOldUCharPtr</a>(char16_t p) {</div><div class="line"><a name="l00364"></a><span class="lineno"> 364</span> <span class="preprocessor">#ifdef U_ALIASING_BARRIER</span></div><div class="line"><a name="l00365"></a><span class="lineno"> 365</span>  <a class="code" href="char16ptr_8h.html#ae84441e7e27b1de2e0f40abb4723104d">U_ALIASING_BARRIER</a>(p);</div><div class="line"><a name="l00366"></a><span class="lineno"> 366</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00367"></a><span class="lineno"> 367</span>  <span class="keywordflow">return</span> <span class="keyword">reinterpret_cast<</span><a class="code" href="umachine_8h.html#a85b92f7aa77a10e854b4cbff55a7a88c">OldUChar</a> <span class="keyword">></span>(p);</div><div class="line"><a name="l00368"></a><span class="lineno"> 368</span> }</div><div class="line"><a name="l00369"></a><span class="lineno"> 369</span> </div><div class="line"><a name="l00370"></a><span class="lineno"> 370</span> } <span class="comment">// U_ICU_NAMESPACE_OR_INTERNAL</span></div><div class="line"><a name="l00371"></a><span class="lineno"> 371</span> </div><div class="line"><a name="l00372"></a><span class="lineno"> 372</span> <span class="preprocessor">#endif // U_SHOW_CPLUSPLUS_API \|\| U_SHOW_CPLUSPLUS_HEADER_API</span></div><div class="line"><a name="l00373"></a><span class="lineno"> 373</span> </div><div class="line"><a name="l00374"></a><span class="lineno"> 374</span> <span class="comment">// ICU DLL-exported</span></div><div class="line"><a name="l00375"></a><span class="lineno"> 375</span> <span class="preprocessor">#if U_SHOW_CPLUSPLUS_API</span></div><div class="line"><a name="l00376"></a><span class="lineno"> 376</span> </div><div class="line"><a name="l00377"></a><span class="lineno"> 377</span> U_NAMESPACE_BEGIN</div><div class="line"><a name="l00378"></a><span class="lineno"> 378</span> </div><div class="line"><a name="l00379"></a><span class="lineno"> 379</span> <span class="preprocessor">#ifndef U_FORCE_HIDE_INTERNAL_API</span></div><div class="line"><a name="l00380"></a><span class="lineno"> 380</span> </div><div class="line"><a name="l00384"></a><span class="lineno"> 384</span> <span class="keyword">template</span><<span class="keyword">typename</span> T></div><div class="line"><a name="l00385"></a><span class="lineno"><a class="line" href="namespaceicu.html#a3e1905e1863961f252aa7e523d825f44"> 385</a></span> constexpr <span class="keywordtype">bool</span> <a class="code" href="namespaceicu.html#a3e1905e1863961f252aa7e523d825f44">ConvertibleToU16StringView</a> =</div><div class="line"><a name="l00386"></a><span class="lineno"> 386</span>  std::is_convertible_v<T, std::u16string_view></div><div class="line"><a name="l00387"></a><span class="lineno"> 387</span> <span class="preprocessor">#if !U_CHAR16_IS_TYPEDEF && (!defined(_LIBCPP_VERSION) \|\| _LIBCPP_VERSION < 180000)</span></div><div class="line"><a name="l00388"></a><span class="lineno"> 388</span>  \|\| std::is_convertible_v<T, std::basic_string_view<uint16_t>></div><div class="line"><a name="l00389"></a><span class="lineno"> 389</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00390"></a><span class="lineno"> 390</span> <span class="preprocessor">#if U_SIZEOF_WCHAR_T==2</span></div><div class="line"><a name="l00391"></a><span class="lineno"> 391</span>  \|\| std::is_convertible_v<T, std::wstring_view></div><div class="line"><a name="l00392"></a><span class="lineno"> 392</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00393"></a><span class="lineno"> 393</span>  ;</div><div class="line"><a name="l00394"></a><span class="lineno"> 394</span> </div><div class="line"><a name="l00395"></a><span class="lineno"> 395</span> <span class="keyword">namespace </span>internal {</div><div class="line"><a name="l00400"></a><span class="lineno"><a class="line" href="char16ptr_8h.html#a338efeeb8277e5d6496bac844b8ab453"> 400</a></span> <span class="keyword">inline</span> std::u16string_view <a class="code" href="char16ptr_8h.html#a338efeeb8277e5d6496bac844b8ab453">toU16StringView</a>(std::u16string_view sv) { <span class="keywordflow">return</span> sv; }</div><div class="line"><a name="l00401"></a><span class="lineno"> 401</span> </div><div class="line"><a name="l00402"></a><span class="lineno"> 402</span> <span class="preprocessor">#if !U_CHAR16_IS_TYPEDEF && (!defined(_LIBCPP_VERSION) \|\| _LIBCPP_VERSION < 180000)</span></div><div class="line"><a name="l00403"></a><span class="lineno"> 403</span> </div><div class="line"><a name="l00408"></a><span class="lineno"><a class="line" href="char16ptr_8h.html#a7116d5801d5c6d1f438fcd7453ed4d17"> 408</a></span> <span class="keyword">inline</span> std::u16string_view <a class="code" href="char16ptr_8h.html#a338efeeb8277e5d6496bac844b8ab453">toU16StringView</a>(std::basic_string_view<uint16_t> sv) {</div><div class="line"><a name="l00409"></a><span class="lineno"> 409</span>  <span class="keywordflow">return</span> { <a class="code" href="classicu_1_1ConstChar16Ptr.html">ConstChar16Ptr</a>(sv.data()), sv.length() };</div><div class="line"><a name="l00410"></a><span class="lineno"> 410</span> }</div><div class="line"><a name="l00411"></a><span class="lineno"> 411</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00412"></a><span class="lineno"> 412</span> </div><div class="line"><a name="l00413"></a><span class="lineno"> 413</span> <span class="preprocessor">#if U_SIZEOF_WCHAR_T==2</span></div><div class="line"><a name="l00414"></a><span class="lineno"> 414</span> </div><div class="line"><a name="l00419"></a><span class="lineno"> 419</span> <span class="keyword">inline</span> std::u16string_view toU16StringView(std::wstring_view sv) {</div><div class="line"><a name="l00420"></a><span class="lineno"> 420</span>  <span class="keywordflow">return</span> { <a class="code" href="classicu_1_1ConstChar16Ptr.html">ConstChar16Ptr</a>(sv.data()), sv.length() };</div><div class="line"><a name="l00421"></a><span class="lineno"> 421</span> }</div><div class="line"><a name="l00422"></a><span class="lineno"> 422</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00423"></a><span class="lineno"> 423</span> </div><div class="line"><a name="l00428"></a><span class="lineno"> 428</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T,</div><div class="line"><a name="l00429"></a><span class="lineno"> 429</span>  <span class="keyword">typename</span> = <span class="keyword">typename</span> std::enable_if_t<!std::is_pointer_v<std::remove_reference_t<T>>>></div><div class="line"><a name="l00430"></a><span class="lineno"><a class="line" href="char16ptr_8h.html#aa11a8850f2f793142b22a149683ac136"> 430</a></span> <span class="keyword">inline</span> std::u16string_view <a class="code" href="char16ptr_8h.html#aa11a8850f2f793142b22a149683ac136">toU16StringViewNullable</a>(<span class="keyword">const</span> T& text) {</div><div class="line"><a name="l00431"></a><span class="lineno"> 431</span>  <span class="keywordflow">return</span> <a class="code" href="char16ptr_8h.html#a338efeeb8277e5d6496bac844b8ab453">toU16StringView</a>(text);</div><div class="line"><a name="l00432"></a><span class="lineno"> 432</span> }</div><div class="line"><a name="l00433"></a><span class="lineno"> 433</span> </div><div class="line"><a name="l00438"></a><span class="lineno"> 438</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T,</div><div class="line"><a name="l00439"></a><span class="lineno"> 439</span>  <span class="keyword">typename</span> = <span class="keyword">typename</span> std::enable_if_t<std::is_pointer_v<std::remove_reference_t<T>>>,</div><div class="line"><a name="l00440"></a><span class="lineno"> 440</span>  <span class="keyword">typename</span> = <span class="keywordtype">void</span>></div><div class="line"><a name="l00441"></a><span class="lineno"><a class="line" href="char16ptr_8h.html#a2700482e66fda18e0a9b62cff21103ba"> 441</a></span> <span class="keyword">inline</span> std::u16string_view <a class="code" href="char16ptr_8h.html#aa11a8850f2f793142b22a149683ac136">toU16StringViewNullable</a>(<span class="keyword">const</span> T& text) {</div><div class="line"><a name="l00442"></a><span class="lineno"> 442</span>  <span class="keywordflow">if</span> (text == <span class="keyword">nullptr</span>) <span class="keywordflow">return</span> {}; <span class="comment">// For backward compatibility.</span></div><div class="line"><a name="l00443"></a><span class="lineno"> 443</span>  <span class="keywordflow">return</span> <a class="code" href="char16ptr_8h.html#a338efeeb8277e5d6496bac844b8ab453">toU16StringView</a>(text);</div><div class="line"><a name="l00444"></a><span class="lineno"> 444</span> }</div><div class="line"><a name="l00445"></a><span class="lineno"> 445</span> </div><div class="line"><a name="l00446"></a><span class="lineno"> 446</span> } <span class="comment">// internal</span></div><div class="line"><a name="l00447"></a><span class="lineno"> 447</span> <span class="preprocessor">#endif // U_FORCE_HIDE_INTERNAL_API</span></div><div class="line"><a name="l00448"></a><span class="lineno"> 448</span> </div><div class="line"><a name="l00449"></a><span class="lineno"> 449</span> U_NAMESPACE_END</div><div class="line"><a name="l00450"></a><span class="lineno"> 450</span> </div><div class="line"><a name="l00451"></a><span class="lineno"> 451</span> <span class="preprocessor">#endif // U_SHOW_CPLUSPLUS_API</span></div><div class="line"><a name="l00452"></a><span class="lineno"> 452</span> </div><div class="line"><a name="l00453"></a><span class="lineno"> 453</span> <span class="preprocessor">#endif // __CHAR16PTR_H__</span></div><div class="ttc" id="char16ptr_8h_html_aa11a8850f2f793142b22a149683ac136"><div class="ttname"><a href="char16ptr_8h.html#aa11a8850f2f793142b22a149683ac136">icu::internal::toU16StringViewNullable</a></div><div class="ttdeci">std::u16string_view toU16StringViewNullable(const T &text)</div><div class="ttdoc">Pass-through overload. </div><div class="ttdef"><b>Definition:</b> <a href="char16ptr_8h_source.html#l00430">char16ptr.h:430</a></div></div> <div class="ttc" id="umachine_8h_html_a85b92f7aa77a10e854b4cbff55a7a88c"><div class="ttname"><a href="umachine_8h.html#a85b92f7aa77a10e854b4cbff55a7a88c">OldUChar</a></div><div class="ttdeci">uint16_t OldUChar</div><div class="ttdoc">Default ICU 58 definition of UChar. </div><div class="ttdef"><b>Definition:</b> <a href="umachine_8h_source.html#l00429">umachine.h:429</a></div></div> <div class="ttc" id="char16ptr_8h_html_aecae6013bb14defcdfcb53e98c442b2c"><div class="ttname"><a href="char16ptr_8h.html#aecae6013bb14defcdfcb53e98c442b2c">U_ICU_NAMESPACE_OR_INTERNAL::toOldUCharPtr</a></div><div class="ttdeci">const OldUChar * toOldUCharPtr(const char16_t p)</div><div class="ttdoc">Converts from const char16_t to const OldUChar . </div><div class="ttdef"><b>Definition:</b> <a href="char16ptr_8h_source.html#l00349">char16ptr.h:349</a></div></div> <div class="ttc" id="char16ptr_8h_html_a4ba7b1128c25e3aec07215c34badb616"><div class="ttname"><a href="char16ptr_8h.html#a4ba7b1128c25e3aec07215c34badb616">U_ICU_NAMESPACE_OR_INTERNAL::toUCharPtr</a></div><div class="ttdeci">const UChar toUCharPtr(const char16_t p)</div><div class="ttdoc">Converts from const char16_t to const UChar . </div><div class="ttdef"><b>Definition:</b> <a href="char16ptr_8h_source.html#l00321">char16ptr.h:321</a></div></div> <div class="ttc" id="classicu_1_1ConstChar16Ptr_html_a1e341e5cc9ac6052948089b910ef337e"><div class="ttname"><a href="classicu_1_1ConstChar16Ptr.html#a1e341e5cc9ac6052948089b910ef337e">icu::ConstChar16Ptr::get</a></div><div class="ttdeci">const char16_t get() const</div><div class="ttdoc">Pointer access. </div></div> <div class="ttc" id="char16ptr_8h_html_a77e7f99ccb9bd85a02fa9142260e4400"><div class="ttname"><a href="char16ptr_8h.html#a77e7f99ccb9bd85a02fa9142260e4400">U_ICU_NAMESPACE_OR_INTERNAL::uprv_char16PtrFromUChar</a></div><div class="ttdeci">const char16_t * uprv_char16PtrFromUChar(const T p)</div><div class="ttdef"><b>Definition:</b> <a href="char16ptr_8h_source.html#l00272">char16ptr.h:272</a></div></div> <div class="ttc" id="char16ptr_8h_html_ae84441e7e27b1de2e0f40abb4723104d"><div class="ttname"><a href="char16ptr_8h.html#ae84441e7e27b1de2e0f40abb4723104d">U_ALIASING_BARRIER</a></div><div class="ttdeci">#define U_ALIASING_BARRIER(ptr)</div><div class="ttdoc">Barrier for pointer anti-aliasing optimizations even across function boundaries. </div><div class="ttdef"><b>Definition:</b> <a href="char16ptr_8h_source.html#l00037">char16ptr.h:37</a></div></div> <div class="ttc" id="classicu_1_1Char16Ptr_html_a8eeb81d8a416683c96e7b30694afd335"><div class="ttname"><a href="classicu_1_1Char16Ptr.html#a8eeb81d8a416683c96e7b30694afd335">icu::Char16Ptr::get</a></div><div class="ttdeci">char16_t get() const</div><div class="ttdoc">Pointer access. </div></div> <div class="ttc" id="namespaceU__ICU__NAMESPACE__OR__INTERNAL_html"><div class="ttname"><a href="namespaceU__ICU__NAMESPACE__OR__INTERNAL.html">U_ICU_NAMESPACE_OR_INTERNAL</a></div><div class="ttdef"><b>Definition:</b> <a href="char16ptr_8h_source.html#l00267">char16ptr.h:267</a></div></div> <div class="ttc" id="classicu_1_1ConstChar16Ptr_html_a3ba7b7f72d58d276f484c62b4a274f89"><div class="ttname"><a href="classicu_1_1ConstChar16Ptr.html#a3ba7b7f72d58d276f484c62b4a274f89">icu::ConstChar16Ptr::~ConstChar16Ptr</a></div><div class="ttdeci">~ConstChar16Ptr()</div><div class="ttdoc">Destructor. </div></div> <div class="ttc" id="char16ptr_8h_html_a338efeeb8277e5d6496bac844b8ab453"><div class="ttname"><a href="char16ptr_8h.html#a338efeeb8277e5d6496bac844b8ab453">icu::internal::toU16StringView</a></div><div class="ttdeci">std::u16string_view toU16StringView(std::u16string_view sv)</div><div class="ttdoc">Pass-through overload. </div><div class="ttdef"><b>Definition:</b> <a href="char16ptr_8h_source.html#l00400">char16ptr.h:400</a></div></div> <div class="ttc" id="umachine_8h_html_a6bb9fad572d65b305324ef288165e2ac"><div class="ttname"><a href="umachine_8h.html#a6bb9fad572d65b305324ef288165e2ac">UChar</a></div><div class="ttdeci">char16_t UChar</div><div class="ttdoc">The base type for UTF-16 code units and pointers. </div><div class="ttdef"><b>Definition:</b> <a href="umachine_8h_source.html#l00400">umachine.h:400</a></div></div> <div class="ttc" id="classicu_1_1Char16Ptr_html_a126f043fef26471fc7e925498aeb0f37"><div class="ttname"><a href="classicu_1_1Char16Ptr.html#a126f043fef26471fc7e925498aeb0f37">icu::Char16Ptr::~Char16Ptr</a></div><div class="ttdeci">~Char16Ptr()</div><div class="ttdoc">Destructor. </div></div> <div class="ttc" id="classicu_1_1Char16Ptr_html"><div class="ttname"><a href="classicu_1_1Char16Ptr.html">icu::Char16Ptr</a></div><div class="ttdoc">char16_t * wrapper with implicit conversion from distinct but bit-compatible pointer types...</div><div class="ttdef"><b>Definition:</b> <a href="char16ptr_8h_source.html#l00049">char16ptr.h:49</a></div></div> <div class="ttc" id="classicu_1_1ConstChar16Ptr_html"><div class="ttname"><a href="classicu_1_1ConstChar16Ptr.html">icu::ConstChar16Ptr</a></div><div class="ttdoc">const char16_t * wrapper with implicit conversion from distinct but bit-compatible pointer types...</div><div class="ttdef"><b>Definition:</b> <a href="char16ptr_8h_source.html#l00156">char16ptr.h:156</a></div></div> <div class="ttc" id="utypes_8h_html"><div class="ttname"><a href="utypes_8h.html">utypes.h</a></div><div class="ttdoc">Basic definitions for ICU, for both C and C++ APIs. </div></div> <div class="ttc" id="char16ptr_8h_html_a24af3a556c7933077bfa5a64b9dc44c3"><div class="ttname"><a href="char16ptr_8h.html#a24af3a556c7933077bfa5a64b9dc44c3">U_ICU_NAMESPACE_OR_INTERNAL::uprv_char16PtrFromUint16</a></div><div class="ttdeci">const char16_t * uprv_char16PtrFromUint16(const uint16_t *p)</div><div class="ttdef"><b>Definition:</b> <a href="char16ptr_8h_source.html#l00288">char16ptr.h:288</a></div></div> <div class="ttc" id="utypes_8h_html_a559955ec3bc692657c5d8b1c6de8e334"><div class="ttname"><a href="utypes_8h.html#a559955ec3bc692657c5d8b1c6de8e334">U_COMMON_API</a></div><div class="ttdeci">#define U_COMMON_API</div><div class="ttdoc">Set to export library symbols from inside the common library, and to import them from outside...</div><div class="ttdef"><b>Definition:</b> <a href="utypes_8h_source.html#l00315">utypes.h:315</a></div></div> <div class="ttc" id="namespaceicu_html_a3e1905e1863961f252aa7e523d825f44"><div class="ttname"><a href="namespaceicu.html#a3e1905e1863961f252aa7e523d825f44">icu::ConvertibleToU16StringView</a></div><div class="ttdeci">constexpr bool ConvertibleToU16StringView</div><div class="ttdoc">Is T convertible to a std::u16string_view or some other 16-bit string view? </div><div class="ttdef"><b>Definition:</b> <a href="char16ptr_8h_source.html#l00385">char16ptr.h:385</a></div></div> </div><!-- fragment --></div><!-- contents --> <!-- start footer part --> <hr class="footer"/><address class="footer"><small> Generated by  <a href="http://www.doxygen.org/index.html"> <img class="footer" src="doxygen.png" alt="doxygen"/> </a> 1.8.14 </small></address> </body> </html>

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