hoo2
/
utl
1
0
Fork 0
Code Issues 0 Pull Requests 0 Releases 0 Wiki Activity
Micro template library A library for building device drivers
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
48 Commits
3 Branches
5.6 MiB
 
 
 
 
Tree: bebb193278
Branches Tags
${ item.name }
Create branch ${ searchTerm }
from 'bebb193278'
${ noResults }
utl/doc/html/stl_8h_source.html

217 lines
180 KiB
Raw Blame History 

  1. <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

  2. <html xmlns="http://www.w3.org/1999/xhtml">

  3. <head>

  4. <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>

  5. <meta http-equiv="X-UA-Compatible" content="IE=9"/>

  6. <meta name="generator" content="Doxygen 1.8.14"/>

  7. <meta name="viewport" content="width=device-width, initial-scale=1"/>

  8. <title>uTL: include/utl/concepts/stl.h Source File</title>

  9. <link href="tabs.css" rel="stylesheet" type="text/css"/>

  10. <script type="text/javascript" src="jquery.js"></script>

  11. <script type="text/javascript" src="dynsections.js"></script>

  12. <link href="navtree.css" rel="stylesheet" type="text/css"/>

  13. <script type="text/javascript" src="resize.js"></script>

  14. <script type="text/javascript" src="navtreedata.js"></script>

  15. <script type="text/javascript" src="navtree.js"></script>

  16. <script type="text/javascript">

  17. /* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&amp;dn=gpl-2.0.txt GPL-v2 */

  18.   $(document).ready(initResizable);

  19. /* @license-end */</script>

  20. <link href="search/search.css" rel="stylesheet" type="text/css"/>

  21. <script type="text/javascript" src="search/searchdata.js"></script>

  22. <script type="text/javascript" src="search/search.js"></script>

  23. <link href="doxygen.css" rel="stylesheet" type="text/css" />

  24. </head>

  25. <body>

  26. <div id="top"><!-- do not remove this div, it is closed by doxygen! -->

  27. <div id="titlearea">

  28. <table cellspacing="0" cellpadding="0">

  29.  <tbody>

  30.  <tr style="height: 56px;">

  31.   <td id="projectalign" style="padding-left: 0.5em;">

  32.    <div id="projectname">uTL

  33.    </div>

  34.    <div id="projectbrief">micro Template library</div>

  35.   </td>

  36.  </tr>

  37.  </tbody>

  38. </table>

  39. </div>

  40. <!-- end header part -->

  41. <!-- Generated by Doxygen 1.8.14 -->

  42. <script type="text/javascript">

  43. /* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&amp;dn=gpl-2.0.txt GPL-v2 */

  44. var searchBox = new SearchBox("searchBox", "search",false,'Search');

  45. /* @license-end */

  46. </script>

  47. <script type="text/javascript" src="menudata.js"></script>

  48. <script type="text/javascript" src="menu.js"></script>

  49. <script type="text/javascript">

  50. /* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&amp;dn=gpl-2.0.txt GPL-v2 */

  51. $(function() {

  52.   initMenu('',true,false,'search.php','Search');

  53.   $(document).ready(function() { init_search(); });

  54. });

  55. /* @license-end */</script>

  56. <div id="main-nav"></div>

  57. </div><!-- top -->

  58. <div id="side-nav" class="ui-resizable side-nav-resizable">

  59.   <div id="nav-tree">

  60.     <div id="nav-tree-contents">

  61.       <div id="nav-sync" class="sync"></div>

  62.     </div>

  63.   </div>

  64.   <div id="splitbar" style="-moz-user-select:none;" 

  65.        class="ui-resizable-handle">

  66.   </div>

  67. </div>

  68. <script type="text/javascript">

  69. /* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&amp;dn=gpl-2.0.txt GPL-v2 */

  70. $(document).ready(function(){initNavTree('stl_8h_source.html','');});

  71. /* @license-end */

  72. </script>

  73. <div id="doc-content">

  74. <!-- window showing the filter options -->

  75. <div id="MSearchSelectWindow"

  76.      onmouseover="return searchBox.OnSearchSelectShow()"

  77.      onmouseout="return searchBox.OnSearchSelectHide()"

  78.      onkeydown="return searchBox.OnSearchSelectKey(event)">

  79. </div>

  80. 

  81. <!-- iframe showing the search results (closed by default) -->

  82. <div id="MSearchResultsWindow">

  83. <iframe src="javascript:void(0)" frameborder="0" 

  84.         name="MSearchResults" id="MSearchResults">

  85. </iframe>

  86. </div>

  87. 

  88. <div class="header">

  89.   <div class="headertitle">

  90. <div class="title">stl.h</div>  </div>

  91. </div><!--header-->

  92. <div class="contents">

  93. <a href="stl_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>&#160;</div><div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;<span class="preprocessor">#ifndef __utl_concepts_stl_h__</span></div><div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;<span class="preprocessor">#define __utl_concepts_stl_h__</span></div><div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;</div><div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="impl_8h.html">utl/core/impl.h</a>&gt;</span></div><div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="meta_8h.html">utl/meta/meta.h</a>&gt;</span></div><div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="utility_2invoke_8h.html">utl/utility/invoke.h</a>&gt;</span></div><div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;</div><div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="defines_8h.html">utl/concepts/defines.h</a>&gt;</span></div><div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;</div><div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespaceutl.html">utl</a> {</div><div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;</div><div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;   <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;</div><div class="line"><a name="l00042"></a><span class="lineno"><a class="line" href="namespaceutl.html#a7a9d26263662e02fbe3b238da5fd7338">   42</a></span>&#160;   <span class="keyword">using</span> <a class="code" href="namespaceutl.html#a7a9d26263662e02fbe3b238da5fd7338">remove_cvref_t</a> = std::remove_cv_t&lt; std::remove_reference_t&lt;T&gt; &gt;;</div><div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;</div><div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;   <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;</div><div class="line"><a name="l00045"></a><span class="lineno"><a class="line" href="namespaceutl.html#a7d69beba08b81379703fd3b0ca42044d">   45</a></span>&#160;   <span class="keyword">using</span> <a class="code" href="namespaceutl.html#a7d69beba08b81379703fd3b0ca42044d">cref_</a> = <span class="keyword">const</span> std::remove_reference_t&lt;T&gt;&amp;;</div><div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;</div><div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;   <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;</div><div class="line"><a name="l00048"></a><span class="lineno"><a class="line" href="namespaceutl.html#aa3f95fc48a94b2fae3c2959b7c024998">   48</a></span>&#160;   <span class="keyword">using</span> <a class="code" href="namespaceutl.html#aa3f95fc48a94b2fae3c2959b7c024998">_ref_t</a> = std::add_lvalue_reference_t&lt;T&gt;;</div><div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;</div><div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;   <span class="keyword">template</span> &lt;<span class="keyword">typename</span> _T1, <span class="keyword">typename</span> _T2, <span class="keyword">typename</span> _Ret =_T1&gt;</div><div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;   <span class="keyword">using</span> <a class="code" href="namespaceutl.html#ac5e425d39e8ee62e68664c6166d02d0c">use_if_same_t</a> = <a class="code" href="namespaceutl_1_1meta.html#aa5a37adba244ff4286f994111c4c02ea">meta::eval</a>&lt;</div><div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;      <a class="code" href="namespaceutl_1_1meta.html#ab3fed26a4c7a8204accb349f0b6600e8">meta::enable_if</a>&lt;</div><div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;         <a class="code" href="structutl_1_1meta_1_1same__.html">meta::same_&lt;_T1, _T2&gt;::value</a>, _Ret</div><div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;      &gt;</div><div class="line"><a name="l00055"></a><span class="lineno"><a class="line" href="namespaceutl.html#ac5e425d39e8ee62e68664c6166d02d0c">   55</a></span>&#160;   &gt;;</div><div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;</div><div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;</div><div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;   <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> U&gt;</div><div class="line"><a name="l00062"></a><span class="lineno"><a class="line" href="namespaceutl.html#af86da3571c3026c6bbd501c6b7bc5093">   62</a></span>&#160;   <a class="code" href="group__concepts.html#gaf81026787698cd63592563ab8223062b">_utlConcept</a> <a class="code" href="namespaceutl.html#af86da3571c3026c6bbd501c6b7bc5093">Same</a> = <a class="code" href="structutl_1_1meta_1_1same__.html">meta::same_&lt;T, U&gt;::value</a>;</div><div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;</div><div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;<span class="comment">//   template&lt;class T&gt;</span></div><div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;<span class="comment">//      _utlConcept Decayed = Same&lt;T, std::decay_t&lt;T&gt;&gt;;</span></div><div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;</div><div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;   <span class="keyword">template</span> &lt;<span class="keyword">class</span> Derived, <span class="keyword">class</span> Base&gt;</div><div class="line"><a name="l00071"></a><span class="lineno"><a class="line" href="namespaceutl.html#a0904cc4071a8ea97a1d646dc0a9ca85b">   71</a></span>&#160;   <a class="code" href="group__concepts.html#gaf81026787698cd63592563ab8223062b">_utlConcept</a> <a class="code" href="namespaceutl.html#a0904cc4071a8ea97a1d646dc0a9ca85b">DerivedFrom</a> =</div><div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;      std::is_base_of&lt;Base, Derived&gt;::value &amp;&amp;</div><div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;      std::is_convertible&lt;const volatile Derived*, const volatile Base*&gt;::value;</div><div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;</div><div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;</div><div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;   <span class="keyword">template</span> &lt;<span class="keyword">class</span> From, <span class="keyword">class</span> To&gt;</div><div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;<span class="preprocessor">   #if CXX_CONCEPTS</span></div><div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;   <a class="code" href="group__concepts.html#gaf81026787698cd63592563ab8223062b">_utlConcept</a> <a class="code" href="namespaceutl.html#a9c88a03a5b6dd66200e86f98fb1eb9eb">ConvertibleTo</a> =</div><div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;      std::is_convertible&lt;From, To&gt;::value &amp;&amp;</div><div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;      requires(From (&amp;f)()) {</div><div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;         <span class="keyword">static_cast&lt;</span>To<span class="keyword">&gt;</span>(f());</div><div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;      };</div><div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;<span class="preprocessor">   #else</span></div><div class="line"><a name="l00087"></a><span class="lineno"><a class="line" href="namespaceutl.html#a9c88a03a5b6dd66200e86f98fb1eb9eb">   87</a></span>&#160;   <a class="code" href="group__concepts.html#gaf81026787698cd63592563ab8223062b">_utlConcept</a> <a class="code" href="namespaceutl.html#a9c88a03a5b6dd66200e86f98fb1eb9eb">ConvertibleTo</a> = std::is_convertible&lt;From, To&gt;::value;</div><div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;<span class="preprocessor">   #endif</span></div><div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;</div><div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;   <span class="keyword">namespace </span>common_impl {</div><div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;      <span class="comment">// ========== common reference ===========</span></div><div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;      <span class="keyword">template</span>&lt;<span class="keyword">class</span> T, <span class="keyword">class</span> U&gt;</div><div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;      <span class="keyword">using</span> <a class="code" href="namespaceutl_1_1common__impl.html#ab43a461d352a35dc1b3de39bfe17e38b">__cond_res</a> =</div><div class="line"><a name="l00099"></a><span class="lineno"><a class="line" href="namespaceutl_1_1common__impl.html#ab43a461d352a35dc1b3de39bfe17e38b">   99</a></span>&#160;         decltype(<span class="keyword">false</span> ? std::declval&lt;T(&amp;)()&gt;()() : std::declval&lt;U(&amp;)()&gt;()());</div><div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;</div><div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;      <span class="keyword">template</span>&lt;<span class="keyword">class</span> From&gt;</div><div class="line"><a name="l00102"></a><span class="lineno"><a class="line" href="structutl_1_1common__impl_1_1____copy__cv__.html">  102</a></span>&#160;      <span class="keyword">struct </span><a class="code" href="structutl_1_1common__impl_1_1____copy__cv__.html">__copy_cv_</a> {</div><div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;         static_assert(!std::is_reference&lt;From&gt;::value);</div><div class="line"><a name="l00104"></a><span class="lineno"><a class="line" href="structutl_1_1common__impl_1_1____copy__cv__.html#aab9e00c637c2bbbdb6d1398aca8e3f96">  104</a></span>&#160;         <span class="keyword">template</span>&lt;<span class="keyword">class</span> To&gt; <span class="keyword">using</span> <a class="code" href="structutl_1_1common__impl_1_1____copy__cv__.html#aab9e00c637c2bbbdb6d1398aca8e3f96">apply</a> = To;</div><div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;      };</div><div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;      <span class="keyword">template</span>&lt;<span class="keyword">class</span> From&gt;</div><div class="line"><a name="l00107"></a><span class="lineno"><a class="line" href="structutl_1_1common__impl_1_1____copy__cv___3_01const_01_from_01_4.html">  107</a></span>&#160;      <span class="keyword">struct </span><a class="code" href="structutl_1_1common__impl_1_1____copy__cv__.html">__copy_cv_</a>&lt;const From&gt; {</div><div class="line"><a name="l00108"></a><span class="lineno"><a class="line" href="structutl_1_1common__impl_1_1____copy__cv___3_01const_01_from_01_4.html#a6dfb1b1162563a05f62a004de401367e">  108</a></span>&#160;         <span class="keyword">template</span>&lt;<span class="keyword">class</span> To&gt; <span class="keyword">using</span> <a class="code" href="structutl_1_1common__impl_1_1____copy__cv___3_01const_01_from_01_4.html#a6dfb1b1162563a05f62a004de401367e">apply</a> = <span class="keyword">const</span> To;</div><div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;      };</div><div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;      <span class="keyword">template</span>&lt;<span class="keyword">class</span> From&gt;</div><div class="line"><a name="l00111"></a><span class="lineno"><a class="line" href="structutl_1_1common__impl_1_1____copy__cv___3_01volatile_01_from_01_4.html">  111</a></span>&#160;      <span class="keyword">struct </span><a class="code" href="structutl_1_1common__impl_1_1____copy__cv__.html">__copy_cv_</a>&lt;volatile From&gt; {</div><div class="line"><a name="l00112"></a><span class="lineno"><a class="line" href="structutl_1_1common__impl_1_1____copy__cv___3_01volatile_01_from_01_4.html#a1066914bb7b2d20c25f9f6b953f40edd">  112</a></span>&#160;         <span class="keyword">template</span>&lt;<span class="keyword">class</span> To&gt; <span class="keyword">using</span> <a class="code" href="structutl_1_1common__impl_1_1____copy__cv___3_01volatile_01_from_01_4.html#a1066914bb7b2d20c25f9f6b953f40edd">apply</a> = <span class="keyword">volatile</span> To;</div><div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;      };</div><div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;      <span class="keyword">template</span>&lt;<span class="keyword">class</span> From&gt;</div><div class="line"><a name="l00115"></a><span class="lineno"><a class="line" href="structutl_1_1common__impl_1_1____copy__cv___3_01const_01volatile_01_from_01_4.html">  115</a></span>&#160;      <span class="keyword">struct </span><a class="code" href="structutl_1_1common__impl_1_1____copy__cv__.html">__copy_cv_</a>&lt;const volatile From&gt; {</div><div class="line"><a name="l00116"></a><span class="lineno"><a class="line" href="structutl_1_1common__impl_1_1____copy__cv___3_01const_01volatile_01_from_01_4.html#a3b90863f9819b9537789a30ab6863aca">  116</a></span>&#160;         <span class="keyword">template</span>&lt;<span class="keyword">class</span> To&gt; <span class="keyword">using</span> <a class="code" href="structutl_1_1common__impl_1_1____copy__cv___3_01const_01volatile_01_from_01_4.html#a3b90863f9819b9537789a30ab6863aca">apply</a> = <span class="keyword">const</span> <span class="keyword">volatile</span> To;</div><div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;      };</div><div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;      <span class="keyword">template</span>&lt;<span class="keyword">class</span> From, <span class="keyword">class</span> To&gt;</div><div class="line"><a name="l00119"></a><span class="lineno"><a class="line" href="namespaceutl_1_1common__impl.html#aed700217ef1518692242c1059f3dff27">  119</a></span>&#160;      <span class="keyword">using</span> <a class="code" href="namespaceutl_1_1common__impl.html#aed700217ef1518692242c1059f3dff27">__copy_cv</a> = <a class="code" href="namespaceutl_1_1meta.html#a77630cd8adc01f7193f6cb834313d90f">meta::invoke&lt;__copy_cv_&lt;From&gt;</a>, To&gt;;</div><div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;</div><div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;      <span class="comment">// CREF [meta.trans.other]/2.1</span></div><div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160;      <span class="keyword">template</span>&lt;<span class="keyword">class</span> T&gt;</div><div class="line"><a name="l00123"></a><span class="lineno"><a class="line" href="namespaceutl_1_1common__impl.html#a3d7922723a5d41f399f3c8a99e016e73">  123</a></span>&#160;      <span class="keyword">using</span> <a class="code" href="namespaceutl_1_1common__impl.html#a3d7922723a5d41f399f3c8a99e016e73">__cref</a> = std::add_lvalue_reference_t&lt;const std::remove_reference_t&lt;T&gt;&gt;;</div><div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;</div><div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;      <span class="comment">// COMMON_REF [meta.trans.other]/2</span></div><div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;      <span class="keyword">template</span>&lt;<span class="keyword">class</span> T, <span class="keyword">class</span> U, <span class="keyword">class</span> = <span class="keywordtype">void</span>&gt;</div><div class="line"><a name="l00127"></a><span class="lineno"><a class="line" href="structutl_1_1common__impl_1_1____common__ref__.html">  127</a></span>&#160;      <span class="keyword">struct </span><a class="code" href="structutl_1_1common__impl_1_1____common__ref__.html">__common_ref_</a> {</div><div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;         static_assert(std::is_reference&lt;T&gt;::value, <span class="stringliteral">&quot;&quot;</span>);</div><div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;         static_assert(std::is_reference&lt;U&gt;::value, <span class="stringliteral">&quot;&quot;</span>);</div><div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160;      };</div><div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;</div><div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160;      <span class="keyword">template</span>&lt;<span class="keyword">class</span> T, <span class="keyword">class</span> U&gt;</div><div class="line"><a name="l00133"></a><span class="lineno"><a class="line" href="namespaceutl_1_1common__impl.html#a8913f9d610ed8720c817081662fa9f1f">  133</a></span>&#160;      <span class="keyword">using</span> <a class="code" href="namespaceutl_1_1common__impl.html#a8913f9d610ed8720c817081662fa9f1f">__common_ref</a> = <a class="code" href="namespaceutl_1_1meta.html#aa5a37adba244ff4286f994111c4c02ea">meta::eval&lt;__common_ref_&lt;T, U&gt;</a>&gt;;</div><div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160;</div><div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160;      <span class="comment">// [meta.trans.other]/2.5</span></div><div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160;      <span class="keyword">template</span>&lt;<span class="keyword">class</span> T, <span class="keyword">class</span> U&gt;</div><div class="line"><a name="l00137"></a><span class="lineno">  137</span>&#160;      <span class="keyword">using</span> <a class="code" href="namespaceutl_1_1common__impl.html#ae2f3d56c7e5144e099cdf37b19523290">__lref_res</a> = <a class="code" href="namespaceutl_1_1common__impl.html#ab43a461d352a35dc1b3de39bfe17e38b">__cond_res</a>&lt;</div><div class="line"><a name="l00138"></a><span class="lineno">  138</span>&#160;         <a class="code" href="namespaceutl_1_1common__impl.html#aed700217ef1518692242c1059f3dff27">__copy_cv&lt;T, U&gt;</a> &amp;,</div><div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;         <a class="code" href="namespaceutl_1_1common__impl.html#aed700217ef1518692242c1059f3dff27">__copy_cv&lt;U, T&gt;</a> &amp;</div><div class="line"><a name="l00140"></a><span class="lineno"><a class="line" href="namespaceutl_1_1common__impl.html#ae2f3d56c7e5144e099cdf37b19523290">  140</a></span>&#160;      &gt;;</div><div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160;</div><div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160;      <span class="comment">// [meta.trans.other]/2.6</span></div><div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160;      <span class="keyword">template</span>&lt;<span class="keyword">class</span> T, <span class="keyword">class</span> U, <span class="keyword">class</span> R = __common_ref&lt;T&amp;, U&amp;&gt;&gt;</div><div class="line"><a name="l00144"></a><span class="lineno"><a class="line" href="namespaceutl_1_1common__impl.html#a312c9f3e740103f831a49624097948f5">  144</a></span>&#160;      <span class="keyword">using</span> <a class="code" href="namespaceutl_1_1common__impl.html#a312c9f3e740103f831a49624097948f5">__rref_res</a> = std::remove_reference_t&lt;R&gt;&amp;&amp;;</div><div class="line"><a name="l00145"></a><span class="lineno">  145</span>&#160;</div><div class="line"><a name="l00146"></a><span class="lineno">  146</span>&#160;      <span class="keyword">template</span>&lt;<span class="keyword">class</span> T, <span class="keyword">class</span> U&gt;</div><div class="line"><a name="l00147"></a><span class="lineno"><a class="line" href="structutl_1_1common__impl_1_1____common__ref___3_01_t_01_6_00_01_u_01_6_00_01meta_1_1void__t_3_05e5aa384829bb34312a7b8ee4ecaa00f.html">  147</a></span>&#160;      <span class="keyword">struct </span><a class="code" href="structutl_1_1common__impl_1_1____common__ref__.html">__common_ref_</a>&lt;T&amp;, U&amp;,</div><div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160;         <a class="code" href="group__detection.html#gae7373c997420d16cf37e542eb3cfa3ad">meta::void_t&lt;__lref_res&lt;T, U&gt;</a>,</div><div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;                      <a class="code" href="namespaceutl_1_1meta.html#a181d79db46b10170529e85b907ed3dc7">meta::when&lt;std::is_reference&lt;__lref_res&lt;T, U&gt;</a>&gt;::value&gt;&gt; &gt; {</div><div class="line"><a name="l00150"></a><span class="lineno"><a class="line" href="structutl_1_1common__impl_1_1____common__ref___3_01_t_01_6_00_01_u_01_6_00_01meta_1_1void__t_3_05e5aa384829bb34312a7b8ee4ecaa00f.html#a9818dd472dbf7e5819a37c772d0566d2">  150</a></span>&#160;         <span class="keyword">using</span> <a class="code" href="structutl_1_1common__impl_1_1____common__ref___3_01_t_01_6_00_01_u_01_6_00_01meta_1_1void__t_3_05e5aa384829bb34312a7b8ee4ecaa00f.html#a9818dd472dbf7e5819a37c772d0566d2">type</a> = <a class="code" href="namespaceutl_1_1common__impl.html#ae2f3d56c7e5144e099cdf37b19523290">__lref_res&lt;T, U&gt;</a>;</div><div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160;      };</div><div class="line"><a name="l00152"></a><span class="lineno">  152</span>&#160;</div><div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160;      <span class="keyword">template</span>&lt;<span class="keyword">class</span> T, <span class="keyword">class</span> U&gt;</div><div class="line"><a name="l00154"></a><span class="lineno"><a class="line" href="structutl_1_1common__impl_1_1____common__ref___3_01_t_01_6_6_00_01_u_01_6_6_00_01meta_1_1void__tc4e71c227f251cadf0e0fb7b1ba6f1e9.html">  154</a></span>&#160;      <span class="keyword">struct </span><a class="code" href="structutl_1_1common__impl_1_1____common__ref__.html">__common_ref_</a>&lt;T&amp;&amp;, U&amp;&amp;,</div><div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160;         <a class="code" href="group__detection.html#gae7373c997420d16cf37e542eb3cfa3ad">meta::void_t&lt;__common_ref&lt;T&amp;, U&amp;&gt;</a>,</div><div class="line"><a name="l00156"></a><span class="lineno">  156</span>&#160;                      <a class="code" href="namespaceutl_1_1meta.html#a181d79db46b10170529e85b907ed3dc7">meta::when&lt;ConvertibleTo&lt;T&amp;&amp;, __rref_res&lt;T, U&gt;</a>&gt;&gt;,</div><div class="line"><a name="l00157"></a><span class="lineno">  157</span>&#160;                      <a class="code" href="namespaceutl_1_1meta.html#a181d79db46b10170529e85b907ed3dc7">meta::when&lt;ConvertibleTo&lt;U&amp;&amp;, __rref_res&lt;T, U&gt;</a>&gt;&gt;&gt; &gt; {</div><div class="line"><a name="l00158"></a><span class="lineno"><a class="line" href="structutl_1_1common__impl_1_1____common__ref___3_01_t_01_6_6_00_01_u_01_6_6_00_01meta_1_1void__tc4e71c227f251cadf0e0fb7b1ba6f1e9.html#a8f2b4a68e68f34543fa6e73774bec517">  158</a></span>&#160;         <span class="keyword">using</span> <a class="code" href="structutl_1_1common__impl_1_1____common__ref___3_01_t_01_6_6_00_01_u_01_6_6_00_01meta_1_1void__tc4e71c227f251cadf0e0fb7b1ba6f1e9.html#a8f2b4a68e68f34543fa6e73774bec517">type</a> = <a class="code" href="namespaceutl_1_1common__impl.html#a312c9f3e740103f831a49624097948f5">__rref_res&lt;T, U&gt;</a>;</div><div class="line"><a name="l00159"></a><span class="lineno">  159</span>&#160;      };</div><div class="line"><a name="l00160"></a><span class="lineno">  160</span>&#160;</div><div class="line"><a name="l00161"></a><span class="lineno">  161</span>&#160;      <span class="comment">// [meta.trans.other]/2.7</span></div><div class="line"><a name="l00162"></a><span class="lineno">  162</span>&#160;      <span class="keyword">template</span>&lt;<span class="keyword">class</span> T, <span class="keyword">class</span> U&gt;</div><div class="line"><a name="l00163"></a><span class="lineno"><a class="line" href="structutl_1_1common__impl_1_1____common__ref___3_01_t_01_6_6_00_01_u_01_6_00_01meta_1_1void__t_3972a8d6e6799b6ee6537c969cdced343.html">  163</a></span>&#160;      <span class="keyword">struct </span><a class="code" href="structutl_1_1common__impl_1_1____common__ref__.html">__common_ref_</a>&lt;T&amp;&amp;, U&amp;,</div><div class="line"><a name="l00164"></a><span class="lineno">  164</span>&#160;         <a class="code" href="group__detection.html#gae7373c997420d16cf37e542eb3cfa3ad">meta::void_t&lt;__common_ref&lt;const T&amp;, U&amp;&gt;</a>,</div><div class="line"><a name="l00165"></a><span class="lineno">  165</span>&#160;                      <a class="code" href="namespaceutl_1_1meta.html#a181d79db46b10170529e85b907ed3dc7">meta::when&lt;ConvertibleTo&lt;T&amp;&amp;, __common_ref&lt;const T&amp;, U&amp;&gt;</a>&gt;&gt;&gt; &gt; {</div><div class="line"><a name="l00166"></a><span class="lineno"><a class="line" href="structutl_1_1common__impl_1_1____common__ref___3_01_t_01_6_6_00_01_u_01_6_00_01meta_1_1void__t_3972a8d6e6799b6ee6537c969cdced343.html#ade0c54407b6f17f667c01eec748c7e14">  166</a></span>&#160;         <span class="keyword">using</span> <a class="code" href="structutl_1_1common__impl_1_1____common__ref___3_01_t_01_6_6_00_01_u_01_6_00_01meta_1_1void__t_3972a8d6e6799b6ee6537c969cdced343.html#ade0c54407b6f17f667c01eec748c7e14">type</a> = <a class="code" href="namespaceutl_1_1common__impl.html#a8913f9d610ed8720c817081662fa9f1f">__common_ref&lt;const T&amp;, U&amp;&gt;</a>;</div><div class="line"><a name="l00167"></a><span class="lineno">  167</span>&#160;      };</div><div class="line"><a name="l00168"></a><span class="lineno">  168</span>&#160;</div><div class="line"><a name="l00169"></a><span class="lineno">  169</span>&#160;      <span class="comment">// [meta.trans.other]/2.8</span></div><div class="line"><a name="l00170"></a><span class="lineno">  170</span>&#160;      <span class="keyword">template</span>&lt;<span class="keyword">class</span> T, <span class="keyword">class</span> U&gt;</div><div class="line"><a name="l00171"></a><span class="lineno"><a class="line" href="structutl_1_1common__impl_1_1____common__ref___3_01_t_01_6_00_01_u_01_6_6_00_01meta_1_1void__t_329fba5aeac3b93aa9cfa5aa7e282e196.html">  171</a></span>&#160;      <span class="keyword">struct </span><a class="code" href="structutl_1_1common__impl_1_1____common__ref__.html">__common_ref_</a>&lt;T&amp;, U&amp;&amp;,</div><div class="line"><a name="l00172"></a><span class="lineno">  172</span>&#160;         <a class="code" href="group__detection.html#gae7373c997420d16cf37e542eb3cfa3ad">meta::void_t&lt;__common_ref&lt;T&amp;, const U&amp;&gt;</a>,</div><div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160;                      <a class="code" href="namespaceutl_1_1meta.html#a181d79db46b10170529e85b907ed3dc7">meta::when&lt;ConvertibleTo&lt;U&amp;&amp;, __common_ref&lt;T&amp;, const U&amp;&gt;</a>&gt;&gt;&gt; &gt; {</div><div class="line"><a name="l00174"></a><span class="lineno"><a class="line" href="structutl_1_1common__impl_1_1____common__ref___3_01_t_01_6_00_01_u_01_6_6_00_01meta_1_1void__t_329fba5aeac3b93aa9cfa5aa7e282e196.html#a382d2ef7e9cf4cba7efe589969b64b07">  174</a></span>&#160;         <span class="keyword">using</span> <a class="code" href="structutl_1_1common__impl_1_1____common__ref___3_01_t_01_6_00_01_u_01_6_6_00_01meta_1_1void__t_329fba5aeac3b93aa9cfa5aa7e282e196.html#a382d2ef7e9cf4cba7efe589969b64b07">type</a> = <a class="code" href="namespaceutl_1_1common__impl.html#a8913f9d610ed8720c817081662fa9f1f">__common_ref&lt;T&amp;, const U&amp;&gt;</a>;</div><div class="line"><a name="l00175"></a><span class="lineno">  175</span>&#160;      };</div><div class="line"><a name="l00176"></a><span class="lineno">  176</span>&#160;</div><div class="line"><a name="l00177"></a><span class="lineno">  177</span>&#160;      <span class="keyword">template</span>&lt;<span class="keyword">class</span>&gt;</div><div class="line"><a name="l00178"></a><span class="lineno"><a class="line" href="structutl_1_1common__impl_1_1____xref.html">  178</a></span>&#160;      <span class="keyword">struct </span><a class="code" href="structutl_1_1common__impl_1_1____xref.html">__xref</a> {</div><div class="line"><a name="l00179"></a><span class="lineno"><a class="line" href="structutl_1_1common__impl_1_1____xref.html#a032704fe2160d375719ade17fd93f91b">  179</a></span>&#160;         <span class="keyword">template</span>&lt;<span class="keyword">class</span> U&gt; <span class="keyword">using</span> <a class="code" href="structutl_1_1common__impl_1_1____xref.html#a032704fe2160d375719ade17fd93f91b">apply</a> = U;</div><div class="line"><a name="l00180"></a><span class="lineno">  180</span>&#160;      };</div><div class="line"><a name="l00181"></a><span class="lineno">  181</span>&#160;      <span class="keyword">template</span>&lt;<span class="keyword">class</span> T&gt;</div><div class="line"><a name="l00182"></a><span class="lineno"><a class="line" href="structutl_1_1common__impl_1_1____xref_3_01const_01_t_01_4.html">  182</a></span>&#160;      <span class="keyword">struct </span><a class="code" href="structutl_1_1common__impl_1_1____xref.html">__xref</a>&lt;const T&gt; {</div><div class="line"><a name="l00183"></a><span class="lineno"><a class="line" href="structutl_1_1common__impl_1_1____xref_3_01const_01_t_01_4.html#aa0c18f8f497297768174b0d272209f4c">  183</a></span>&#160;         <span class="keyword">template</span>&lt;<span class="keyword">class</span> U&gt; <span class="keyword">using</span> <a class="code" href="structutl_1_1common__impl_1_1____xref_3_01const_01_t_01_4.html#aa0c18f8f497297768174b0d272209f4c">apply</a> = <span class="keyword">const</span> U;</div><div class="line"><a name="l00184"></a><span class="lineno">  184</span>&#160;      };</div><div class="line"><a name="l00185"></a><span class="lineno">  185</span>&#160;      <span class="keyword">template</span>&lt;<span class="keyword">class</span> T&gt;</div><div class="line"><a name="l00186"></a><span class="lineno"><a class="line" href="structutl_1_1common__impl_1_1____xref_3_01volatile_01_t_01_4.html">  186</a></span>&#160;      <span class="keyword">struct </span><a class="code" href="structutl_1_1common__impl_1_1____xref.html">__xref</a>&lt;volatile T&gt; {</div><div class="line"><a name="l00187"></a><span class="lineno"><a class="line" href="structutl_1_1common__impl_1_1____xref_3_01volatile_01_t_01_4.html#affd4de84c60ada7d645b9f4d66f17b25">  187</a></span>&#160;         <span class="keyword">template</span>&lt;<span class="keyword">class</span> U&gt; <span class="keyword">using</span> <a class="code" href="structutl_1_1common__impl_1_1____xref_3_01volatile_01_t_01_4.html#affd4de84c60ada7d645b9f4d66f17b25">apply</a> = <span class="keyword">volatile</span> U;</div><div class="line"><a name="l00188"></a><span class="lineno">  188</span>&#160;      };</div><div class="line"><a name="l00189"></a><span class="lineno">  189</span>&#160;      <span class="keyword">template</span>&lt;<span class="keyword">class</span> T&gt;</div><div class="line"><a name="l00190"></a><span class="lineno"><a class="line" href="structutl_1_1common__impl_1_1____xref_3_01const_01volatile_01_t_01_4.html">  190</a></span>&#160;      <span class="keyword">struct </span><a class="code" href="structutl_1_1common__impl_1_1____xref.html">__xref</a>&lt;const volatile T&gt; {</div><div class="line"><a name="l00191"></a><span class="lineno"><a class="line" href="structutl_1_1common__impl_1_1____xref_3_01const_01volatile_01_t_01_4.html#a298403b8085c58e3f18d61877f2186a5">  191</a></span>&#160;         <span class="keyword">template</span>&lt;<span class="keyword">class</span> U&gt; <span class="keyword">using</span> <a class="code" href="structutl_1_1common__impl_1_1____xref_3_01const_01volatile_01_t_01_4.html#a298403b8085c58e3f18d61877f2186a5">apply</a> = <span class="keyword">const</span> <span class="keyword">volatile</span> U;</div><div class="line"><a name="l00192"></a><span class="lineno">  192</span>&#160;      };</div><div class="line"><a name="l00193"></a><span class="lineno">  193</span>&#160;      <span class="keyword">template</span>&lt;<span class="keyword">class</span> T&gt;</div><div class="line"><a name="l00194"></a><span class="lineno"><a class="line" href="structutl_1_1common__impl_1_1____xref_3_01_t_01_6_01_4.html">  194</a></span>&#160;      <span class="keyword">struct </span><a class="code" href="structutl_1_1common__impl_1_1____xref.html">__xref</a>&lt;T&amp;&gt; {</div><div class="line"><a name="l00195"></a><span class="lineno">  195</span>&#160;         <span class="keyword">template</span>&lt;<span class="keyword">class</span> U&gt; <span class="keyword">using</span> <a class="code" href="structutl_1_1common__impl_1_1____xref_3_01_t_01_6_01_4.html#a45952ba243315d71be48069faeb0aff0">apply</a> =</div><div class="line"><a name="l00196"></a><span class="lineno"><a class="line" href="structutl_1_1common__impl_1_1____xref_3_01_t_01_6_01_4.html#a45952ba243315d71be48069faeb0aff0">  196</a></span>&#160;            std::add_lvalue_reference_t&lt;meta::invoke&lt;__xref&lt;T&gt;, U&gt;&gt;;</div><div class="line"><a name="l00197"></a><span class="lineno">  197</span>&#160;      };</div><div class="line"><a name="l00198"></a><span class="lineno">  198</span>&#160;      <span class="keyword">template</span>&lt;<span class="keyword">class</span> T&gt;</div><div class="line"><a name="l00199"></a><span class="lineno"><a class="line" href="structutl_1_1common__impl_1_1____xref_3_01_t_01_6_6_01_4.html">  199</a></span>&#160;      <span class="keyword">struct </span><a class="code" href="structutl_1_1common__impl_1_1____xref.html">__xref</a>&lt;T&amp;&amp;&gt; {</div><div class="line"><a name="l00200"></a><span class="lineno">  200</span>&#160;         <span class="keyword">template</span>&lt;<span class="keyword">class</span> U&gt; <span class="keyword">using</span> <a class="code" href="structutl_1_1common__impl_1_1____xref_3_01_t_01_6_6_01_4.html#ab2e3a215cd9be370de57febb6cc290ec">apply</a> =</div><div class="line"><a name="l00201"></a><span class="lineno"><a class="line" href="structutl_1_1common__impl_1_1____xref_3_01_t_01_6_6_01_4.html#ab2e3a215cd9be370de57febb6cc290ec">  201</a></span>&#160;            std::add_rvalue_reference_t&lt;meta::invoke&lt;__xref&lt;T&gt;, U&gt;&gt;;</div><div class="line"><a name="l00202"></a><span class="lineno">  202</span>&#160;      };</div><div class="line"><a name="l00203"></a><span class="lineno">  203</span>&#160;</div><div class="line"><a name="l00204"></a><span class="lineno">  204</span>&#160;      <span class="keyword">template</span>&lt;<span class="keyword">class</span>,</div><div class="line"><a name="l00205"></a><span class="lineno">  205</span>&#160;               <span class="keyword">class</span>,</div><div class="line"><a name="l00206"></a><span class="lineno">  206</span>&#160;               <span class="keyword">template</span>&lt;<span class="keyword">class</span>&gt; <span class="keyword">class</span>,</div><div class="line"><a name="l00207"></a><span class="lineno">  207</span>&#160;               <span class="keyword">template</span>&lt;<span class="keyword">class</span>&gt; <span class="keyword">class</span></div><div class="line"><a name="l00208"></a><span class="lineno">  208</span>&#160;      &gt;</div><div class="line"><a name="l00209"></a><span class="lineno"><a class="line" href="structutl_1_1common__impl_1_1basic__common__reference.html">  209</a></span>&#160;      <span class="keyword">struct </span><a class="code" href="structutl_1_1common__impl_1_1basic__common__reference.html">basic_common_reference</a> { };</div><div class="line"><a name="l00210"></a><span class="lineno">  210</span>&#160;</div><div class="line"><a name="l00211"></a><span class="lineno">  211</span>&#160;      <span class="keyword">template</span>&lt;<span class="keyword">class</span> T, <span class="keyword">class</span> U&gt;</div><div class="line"><a name="l00212"></a><span class="lineno">  212</span>&#160;      <span class="keyword">using</span> <a class="code" href="namespaceutl_1_1common__impl.html#a3bbe5eb74a1c6017f60e3034519d69d6">__basic_common_reference_t</a> = <a class="code" href="namespaceutl_1_1meta.html#aa5a37adba244ff4286f994111c4c02ea">meta::eval</a>&lt;</div><div class="line"><a name="l00213"></a><span class="lineno">  213</span>&#160;         <a class="code" href="structutl_1_1common__impl_1_1basic__common__reference.html">basic_common_reference</a>&lt;</div><div class="line"><a name="l00214"></a><span class="lineno">  214</span>&#160;            <a class="code" href="namespaceutl.html#a7a9d26263662e02fbe3b238da5fd7338">remove_cvref_t&lt;T&gt;</a>,</div><div class="line"><a name="l00215"></a><span class="lineno">  215</span>&#160;            <a class="code" href="namespaceutl.html#a7a9d26263662e02fbe3b238da5fd7338">remove_cvref_t&lt;U&gt;</a>,</div><div class="line"><a name="l00216"></a><span class="lineno">  216</span>&#160;            <a class="code" href="structutl_1_1common__impl_1_1____xref.html">__xref&lt;T&gt;::template</a> <a class="code" href="namespaceutl_1_1meta.html#a3f684549221fac60bc8c7979cb4b98f4">apply</a>,</div><div class="line"><a name="l00217"></a><span class="lineno">  217</span>&#160;            <a class="code" href="structutl_1_1common__impl_1_1____xref.html">__xref&lt;U&gt;::template</a> <a class="code" href="namespaceutl_1_1meta.html#a3f684549221fac60bc8c7979cb4b98f4">apply</a></div><div class="line"><a name="l00218"></a><span class="lineno">  218</span>&#160;         &gt;</div><div class="line"><a name="l00219"></a><span class="lineno"><a class="line" href="namespaceutl_1_1common__impl.html#a3bbe5eb74a1c6017f60e3034519d69d6">  219</a></span>&#160;      &gt;;</div><div class="line"><a name="l00220"></a><span class="lineno">  220</span>&#160;</div><div class="line"><a name="l00221"></a><span class="lineno">  221</span>&#160;      <span class="keyword">template</span>&lt;<span class="keyword">class</span>...&gt;</div><div class="line"><a name="l00222"></a><span class="lineno"><a class="line" href="structutl_1_1common__impl_1_1common__reference.html">  222</a></span>&#160;      <span class="keyword">struct </span><a class="code" href="structutl_1_1common__impl_1_1common__reference.html">common_reference</a> {};</div><div class="line"><a name="l00223"></a><span class="lineno">  223</span>&#160;</div><div class="line"><a name="l00224"></a><span class="lineno">  224</span>&#160;      <span class="keyword">template</span>&lt;<span class="keyword">class</span>... Ts&gt;</div><div class="line"><a name="l00225"></a><span class="lineno">  225</span>&#160;      <span class="keyword">using</span> <a class="code" href="namespaceutl_1_1common__impl.html#adc4b085a84c0355fda341475074ff230">common_reference_t</a> = <a class="code" href="namespaceutl_1_1meta.html#aa5a37adba244ff4286f994111c4c02ea">meta::eval</a>&lt;</div><div class="line"><a name="l00226"></a><span class="lineno">  226</span>&#160;         <a class="code" href="structutl_1_1common__impl_1_1common__reference.html">common_reference</a>&lt;Ts...&gt;</div><div class="line"><a name="l00227"></a><span class="lineno"><a class="line" href="namespaceutl_1_1common__impl.html#adc4b085a84c0355fda341475074ff230">  227</a></span>&#160;      &gt;;</div><div class="line"><a name="l00228"></a><span class="lineno">  228</span>&#160;</div><div class="line"><a name="l00229"></a><span class="lineno">  229</span>&#160;      <span class="comment">// [meta.trans.other]/5.2</span></div><div class="line"><a name="l00230"></a><span class="lineno">  230</span>&#160;      <span class="keyword">template</span>&lt;<span class="keyword">class</span> T&gt;</div><div class="line"><a name="l00231"></a><span class="lineno"><a class="line" href="structutl_1_1common__impl_1_1common__reference_3_01_t_01_4.html">  231</a></span>&#160;      <span class="keyword">struct </span><a class="code" href="structutl_1_1common__impl_1_1common__reference.html">common_reference</a>&lt;T&gt; {</div><div class="line"><a name="l00232"></a><span class="lineno"><a class="line" href="structutl_1_1common__impl_1_1common__reference_3_01_t_01_4.html#ad228404ea08fbb8929dc7792a803c5a4">  232</a></span>&#160;         <span class="keyword">using</span> <a class="code" href="structutl_1_1common__impl_1_1common__reference_3_01_t_01_4.html#ad228404ea08fbb8929dc7792a803c5a4">type</a> = T;</div><div class="line"><a name="l00233"></a><span class="lineno">  233</span>&#160;      };</div><div class="line"><a name="l00234"></a><span class="lineno">  234</span>&#160;</div><div class="line"><a name="l00235"></a><span class="lineno">  235</span>&#160;      <span class="comment">// [meta.trans.other]/5.3.4</span></div><div class="line"><a name="l00236"></a><span class="lineno">  236</span>&#160;      <span class="keyword">template</span>&lt;<span class="keyword">class </span>T, <span class="keyword">class </span>U, <span class="keyword">class</span>...&gt;</div><div class="line"><a name="l00237"></a><span class="lineno"><a class="line" href="structutl_1_1common__impl_1_1____common__reference3.html">  237</a></span>&#160;      <span class="keyword">struct </span><a class="code" href="structutl_1_1common__impl_1_1____common__reference3.html">__common_reference3</a></div><div class="line"><a name="l00238"></a><span class="lineno">  238</span>&#160;         : std::common_type&lt;T, U&gt; {};</div><div class="line"><a name="l00239"></a><span class="lineno">  239</span>&#160;</div><div class="line"><a name="l00240"></a><span class="lineno">  240</span>&#160;      <span class="comment">// [meta.trans.other]/5.3.3</span></div><div class="line"><a name="l00241"></a><span class="lineno">  241</span>&#160;      <span class="keyword">template</span>&lt;<span class="keyword">class</span> T, <span class="keyword">class</span> U&gt;</div><div class="line"><a name="l00242"></a><span class="lineno"><a class="line" href="structutl_1_1common__impl_1_1____common__reference3_3_01_t_00_01_u_00_01meta_1_1void__t_3_01____015b01ed12d2d90ee57fbf756ab847e9.html">  242</a></span>&#160;      <span class="keyword">struct </span><a class="code" href="structutl_1_1common__impl_1_1____common__reference3.html">__common_reference3</a>&lt;T, U,</div><div class="line"><a name="l00243"></a><span class="lineno">  243</span>&#160;         <a class="code" href="group__detection.html#gae7373c997420d16cf37e542eb3cfa3ad">meta::void_t&lt;__cond_res&lt;T, U&gt;</a>&gt;&gt; {</div><div class="line"><a name="l00244"></a><span class="lineno"><a class="line" href="structutl_1_1common__impl_1_1____common__reference3_3_01_t_00_01_u_00_01meta_1_1void__t_3_01____015b01ed12d2d90ee57fbf756ab847e9.html#a41c50c14e6bc947987661add1a95e777">  244</a></span>&#160;         <span class="keyword">using</span> <a class="code" href="structutl_1_1common__impl_1_1____common__reference3_3_01_t_00_01_u_00_01meta_1_1void__t_3_01____015b01ed12d2d90ee57fbf756ab847e9.html#a41c50c14e6bc947987661add1a95e777">type</a> = <a class="code" href="namespaceutl_1_1common__impl.html#ab43a461d352a35dc1b3de39bfe17e38b">__cond_res&lt;T, U&gt;</a>;</div><div class="line"><a name="l00245"></a><span class="lineno">  245</span>&#160;      };</div><div class="line"><a name="l00246"></a><span class="lineno">  246</span>&#160;</div><div class="line"><a name="l00247"></a><span class="lineno">  247</span>&#160;      <span class="keyword">template</span>&lt;<span class="keyword">class </span>T, <span class="keyword">class </span>U, <span class="keyword">class</span>...&gt;</div><div class="line"><a name="l00248"></a><span class="lineno"><a class="line" href="structutl_1_1common__impl_1_1____common__reference2.html">  248</a></span>&#160;      <span class="keyword">struct </span><a class="code" href="structutl_1_1common__impl_1_1____common__reference2.html">__common_reference2</a></div><div class="line"><a name="l00249"></a><span class="lineno">  249</span>&#160;         : <a class="code" href="structutl_1_1common__impl_1_1____common__reference3.html">__common_reference3&lt;T, U&gt;</a> {};</div><div class="line"><a name="l00250"></a><span class="lineno">  250</span>&#160;</div><div class="line"><a name="l00251"></a><span class="lineno">  251</span>&#160;      <span class="comment">// [meta.trans.other]/5.3.2</span></div><div class="line"><a name="l00252"></a><span class="lineno">  252</span>&#160;      <span class="keyword">template</span>&lt;<span class="keyword">class</span> T, <span class="keyword">class</span> U&gt;</div><div class="line"><a name="l00253"></a><span class="lineno"><a class="line" href="structutl_1_1common__impl_1_1____common__reference2_3_01_t_00_01_u_00_01meta_1_1void__t_3_01____785d0aa2f8a62416e19573fcbdd83836.html">  253</a></span>&#160;      <span class="keyword">struct </span><a class="code" href="structutl_1_1common__impl_1_1____common__reference2.html">__common_reference2</a>&lt;T, U,</div><div class="line"><a name="l00254"></a><span class="lineno">  254</span>&#160;         <a class="code" href="group__detection.html#gae7373c997420d16cf37e542eb3cfa3ad">meta::void_t&lt;__basic_common_reference_t&lt;T, U&gt;</a>&gt;&gt; {</div><div class="line"><a name="l00255"></a><span class="lineno"><a class="line" href="structutl_1_1common__impl_1_1____common__reference2_3_01_t_00_01_u_00_01meta_1_1void__t_3_01____785d0aa2f8a62416e19573fcbdd83836.html#abad429fee19f4f511abfe089fa480404">  255</a></span>&#160;         <span class="keyword">using</span> <a class="code" href="structutl_1_1common__impl_1_1____common__reference2_3_01_t_00_01_u_00_01meta_1_1void__t_3_01____785d0aa2f8a62416e19573fcbdd83836.html#abad429fee19f4f511abfe089fa480404">type</a> = <a class="code" href="namespaceutl_1_1common__impl.html#a3bbe5eb74a1c6017f60e3034519d69d6">__basic_common_reference_t&lt;T, U&gt;</a>;</div><div class="line"><a name="l00256"></a><span class="lineno">  256</span>&#160;      };</div><div class="line"><a name="l00257"></a><span class="lineno">  257</span>&#160;</div><div class="line"><a name="l00258"></a><span class="lineno">  258</span>&#160;      <span class="keyword">template</span> &lt;<span class="keyword">class </span>T, <span class="keyword">class </span>U, <span class="keyword">class</span>...&gt;</div><div class="line"><a name="l00259"></a><span class="lineno"><a class="line" href="structutl_1_1common__impl_1_1____common__reference.html">  259</a></span>&#160;      <span class="keyword">struct </span><a class="code" href="structutl_1_1common__impl_1_1____common__reference.html">__common_reference</a></div><div class="line"><a name="l00260"></a><span class="lineno">  260</span>&#160;         : <a class="code" href="structutl_1_1common__impl_1_1____common__reference2.html">__common_reference2&lt;T, U&gt;</a> { };</div><div class="line"><a name="l00261"></a><span class="lineno">  261</span>&#160;</div><div class="line"><a name="l00262"></a><span class="lineno">  262</span>&#160;      <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> U&gt;</div><div class="line"><a name="l00263"></a><span class="lineno"><a class="line" href="structutl_1_1common__impl_1_1____common__reference_3_01_t_00_01_u_00_01meta_1_1when_3_01std_1_1i23b95b4b3a65ce598dbcc7f52e9dab2c.html">  263</a></span>&#160;      <span class="keyword">struct </span><a class="code" href="structutl_1_1common__impl_1_1____common__reference.html">__common_reference</a>&lt;T, U,</div><div class="line"><a name="l00264"></a><span class="lineno">  264</span>&#160;         <a class="code" href="namespaceutl_1_1meta.html#a181d79db46b10170529e85b907ed3dc7">meta::when&lt;std::is_reference&lt;T&gt;::value</a> &amp;&amp; std::is_reference&lt;U&gt;::value&gt;&gt; {</div><div class="line"><a name="l00265"></a><span class="lineno"><a class="line" href="structutl_1_1common__impl_1_1____common__reference_3_01_t_00_01_u_00_01meta_1_1when_3_01std_1_1i23b95b4b3a65ce598dbcc7f52e9dab2c.html#af8297c9aa25bfb27c58f0f58722a0d28">  265</a></span>&#160;         <span class="keyword">using</span> <a class="code" href="structutl_1_1common__impl_1_1____common__reference_3_01_t_00_01_u_00_01meta_1_1when_3_01std_1_1i23b95b4b3a65ce598dbcc7f52e9dab2c.html#af8297c9aa25bfb27c58f0f58722a0d28">type</a> = <a class="code" href="namespaceutl_1_1common__impl.html#a8913f9d610ed8720c817081662fa9f1f">__common_ref&lt;T, U&gt;</a>;</div><div class="line"><a name="l00266"></a><span class="lineno">  266</span>&#160;      };</div><div class="line"><a name="l00267"></a><span class="lineno">  267</span>&#160;</div><div class="line"><a name="l00268"></a><span class="lineno">  268</span>&#160;      <span class="keyword">template</span>&lt;<span class="keyword">class</span> T, <span class="keyword">class</span> U&gt;</div><div class="line"><a name="l00269"></a><span class="lineno"><a class="line" href="structutl_1_1common__impl_1_1common__reference_3_01_t_00_01_u_01_4.html">  269</a></span>&#160;      <span class="keyword">struct </span><a class="code" href="structutl_1_1common__impl_1_1common__reference.html">common_reference</a>&lt;T, U&gt; : <a class="code" href="structutl_1_1common__impl_1_1____common__reference.html">__common_reference</a>&lt;T, U&gt; { };</div><div class="line"><a name="l00270"></a><span class="lineno">  270</span>&#160;</div><div class="line"><a name="l00271"></a><span class="lineno">  271</span>&#160;      <span class="comment">// [meta.trans.other]/5.4</span></div><div class="line"><a name="l00272"></a><span class="lineno">  272</span>&#160;      <span class="keyword">template</span>&lt;<span class="keyword">class </span>T, <span class="keyword">class </span>U, <span class="keyword">class </span>V, <span class="keyword">class</span>... W&gt;</div><div class="line"><a name="l00273"></a><span class="lineno">  273</span>&#160;      <span class="comment">//requires requires { typename common_reference_t&lt;T, U&gt;; }</span></div><div class="line"><a name="l00274"></a><span class="lineno"><a class="line" href="structutl_1_1common__impl_1_1common__reference_3_01_t_00_01_u_00_01_v_00_01_w_8_8_8_01_4.html">  274</a></span>&#160;      <span class="keyword">struct </span><a class="code" href="structutl_1_1common__impl_1_1common__reference.html">common_reference</a>&lt;T, U, V, W...&gt;</div><div class="line"><a name="l00275"></a><span class="lineno">  275</span>&#160;         : <a class="code" href="structutl_1_1common__impl_1_1common__reference.html">common_reference</a> &lt;</div><div class="line"><a name="l00276"></a><span class="lineno">  276</span>&#160;            common_reference_t&lt;T, U&gt;, V, W...</div><div class="line"><a name="l00277"></a><span class="lineno">  277</span>&#160;         &gt; {};</div><div class="line"><a name="l00278"></a><span class="lineno">  278</span>&#160;   }</div><div class="line"><a name="l00279"></a><span class="lineno">  279</span>&#160;</div><div class="line"><a name="l00280"></a><span class="lineno">  280</span>&#160;   <span class="keyword">template</span>&lt;<span class="keyword">typename</span>...Ts&gt;</div><div class="line"><a name="l00281"></a><span class="lineno"><a class="line" href="namespaceutl.html#a3970b90f0e0fd9f801cfcb1d955e3d42">  281</a></span>&#160;   <span class="keyword">using</span> <a class="code" href="structutl_1_1common__impl_1_1common__reference.html">common_reference</a> = <a class="code" href="structutl_1_1common__impl_1_1common__reference.html">common_impl::common_reference</a>&lt;Ts...&gt;;</div><div class="line"><a name="l00282"></a><span class="lineno">  282</span>&#160;</div><div class="line"><a name="l00283"></a><span class="lineno">  283</span>&#160;   <span class="keyword">template</span>&lt;<span class="keyword">typename</span>... Ts&gt;</div><div class="line"><a name="l00284"></a><span class="lineno">  284</span>&#160;   <span class="keyword">using</span> <a class="code" href="namespaceutl.html#a4d76d9e29b830c16ad7dd34e3800a746">common_reference_t</a> = <a class="code" href="namespaceutl_1_1meta.html#aa5a37adba244ff4286f994111c4c02ea">meta::eval</a>&lt;</div><div class="line"><a name="l00285"></a><span class="lineno">  285</span>&#160;      <a class="code" href="structutl_1_1common__impl_1_1common__reference.html">common_reference</a>&lt;Ts...&gt;</div><div class="line"><a name="l00286"></a><span class="lineno"><a class="line" href="namespaceutl.html#a4d76d9e29b830c16ad7dd34e3800a746">  286</a></span>&#160;   &gt;;</div><div class="line"><a name="l00287"></a><span class="lineno">  287</span>&#160;</div><div class="line"><a name="l00289"></a><span class="lineno">  289</span>&#160;</div><div class="line"><a name="l00290"></a><span class="lineno">  290</span>&#160;</div><div class="line"><a name="l00291"></a><span class="lineno">  291</span>&#160;   <span class="comment">//FIXME: CommonReference needs better implementation</span></div><div class="line"><a name="l00292"></a><span class="lineno">  292</span>&#160;   <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> U&gt;</div><div class="line"><a name="l00293"></a><span class="lineno"><a class="line" href="namespaceutl.html#a1cc37f121888dcc030b8e676b077024f">  293</a></span>&#160;   <a class="code" href="group__concepts.html#gaf81026787698cd63592563ab8223062b">_utlConcept</a> <a class="code" href="namespaceutl.html#a1cc37f121888dcc030b8e676b077024f">CommonReference</a> =</div><div class="line"><a name="l00294"></a><span class="lineno">  294</span>&#160;      Same&lt;common_reference_t&lt;T, U&gt;, <a class="code" href="namespaceutl.html#a4d76d9e29b830c16ad7dd34e3800a746">common_reference_t&lt;U, T&gt;</a>&gt; &amp;&amp;</div><div class="line"><a name="l00295"></a><span class="lineno">  295</span>&#160;      ConvertibleTo&lt;T, common_reference_t&lt;T, U&gt;&gt; &amp;&amp;</div><div class="line"><a name="l00296"></a><span class="lineno">  296</span>&#160;      ConvertibleTo&lt;U, common_reference_t&lt;T, U&gt;&gt;;</div><div class="line"><a name="l00297"></a><span class="lineno">  297</span>&#160;</div><div class="line"><a name="l00298"></a><span class="lineno">  298</span>&#160;</div><div class="line"><a name="l00299"></a><span class="lineno">  299</span>&#160;   <span class="comment">// != std::Common on CommonReference</span></div><div class="line"><a name="l00300"></a><span class="lineno">  300</span>&#160;   <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> U&gt;</div><div class="line"><a name="l00301"></a><span class="lineno"><a class="line" href="namespaceutl.html#a79e23f98aa58c2dcd111743a096ef092">  301</a></span>&#160;   <a class="code" href="group__concepts.html#gaf81026787698cd63592563ab8223062b">_utlConcept</a> <a class="code" href="namespaceutl.html#a79e23f98aa58c2dcd111743a096ef092">Common</a> =</div><div class="line"><a name="l00302"></a><span class="lineno">  302</span>&#160;<span class="preprocessor">   #if CXX_CONCEPTS</span></div><div class="line"><a name="l00303"></a><span class="lineno">  303</span>&#160;      Same&lt;std::common_type_t&lt;T, U&gt;, std::common_type_t&lt;U, T&gt;&gt; &amp;&amp;</div><div class="line"><a name="l00304"></a><span class="lineno">  304</span>&#160;      requires {</div><div class="line"><a name="l00305"></a><span class="lineno">  305</span>&#160;         <span class="keyword">static_cast&lt;</span>std::common_type_t&lt;T, U&gt;<span class="keyword">&gt;</span>(std::declval&lt;T&gt;());</div><div class="line"><a name="l00306"></a><span class="lineno">  306</span>&#160;         <span class="keyword">static_cast&lt;</span>std::common_type_t&lt;T, U&gt;<span class="keyword">&gt;</span>(std::declval&lt;U&gt;());</div><div class="line"><a name="l00307"></a><span class="lineno">  307</span>&#160;      };</div><div class="line"><a name="l00308"></a><span class="lineno">  308</span>&#160;<span class="comment">//      } &amp;&amp;</span></div><div class="line"><a name="l00309"></a><span class="lineno">  309</span>&#160;<span class="comment">//      CommonReference&lt;</span></div><div class="line"><a name="l00310"></a><span class="lineno">  310</span>&#160;<span class="comment">//         std::add_lvalue_reference_t&lt;const T&gt;,</span></div><div class="line"><a name="l00311"></a><span class="lineno">  311</span>&#160;<span class="comment">//         std::add_lvalue_reference_t&lt;const U&gt;&gt; &amp;&amp;</span></div><div class="line"><a name="l00312"></a><span class="lineno">  312</span>&#160;<span class="comment">//      CommonReference&lt;</span></div><div class="line"><a name="l00313"></a><span class="lineno">  313</span>&#160;<span class="comment">//         std::add_lvalue_reference_t&lt;std::common_type_t&lt;T, U&gt;&gt;,</span></div><div class="line"><a name="l00314"></a><span class="lineno">  314</span>&#160;<span class="comment">//         std::common_reference_t&lt;</span></div><div class="line"><a name="l00315"></a><span class="lineno">  315</span>&#160;<span class="comment">//            std::add_lvalue_reference_t&lt;const T&gt;,</span></div><div class="line"><a name="l00316"></a><span class="lineno">  316</span>&#160;<span class="comment">//            std::add_lvalue_reference_t&lt;const U&gt;</span></div><div class="line"><a name="l00317"></a><span class="lineno">  317</span>&#160;<span class="comment">//         &gt;</span></div><div class="line"><a name="l00318"></a><span class="lineno">  318</span>&#160;<span class="comment">//      &gt;;</span></div><div class="line"><a name="l00319"></a><span class="lineno">  319</span>&#160;<span class="preprocessor">   #else</span></div><div class="line"><a name="l00320"></a><span class="lineno">  320</span>&#160;<span class="comment">//      meta::and_ &lt;</span></div><div class="line"><a name="l00321"></a><span class="lineno">  321</span>&#160;         Same&lt;std::common_type_t&lt;T, U&gt;, std::common_type_t&lt;U, T&gt;&gt;; <span class="comment">//&gt;</span></div><div class="line"><a name="l00322"></a><span class="lineno">  322</span>&#160;<span class="comment">//         meta::bool_&lt;CommonReference&lt;</span></div><div class="line"><a name="l00323"></a><span class="lineno">  323</span>&#160;<span class="comment">//               std::add_lvalue_reference_t&lt;const T&gt;,</span></div><div class="line"><a name="l00324"></a><span class="lineno">  324</span>&#160;<span class="comment">//               std::add_lvalue_reference_t&lt;const U&gt;</span></div><div class="line"><a name="l00325"></a><span class="lineno">  325</span>&#160;<span class="comment">//         &gt;&gt;,</span></div><div class="line"><a name="l00326"></a><span class="lineno">  326</span>&#160;<span class="comment">//         meta::bool_&lt; CommonReference&lt;</span></div><div class="line"><a name="l00327"></a><span class="lineno">  327</span>&#160;<span class="comment">//               std::add_lvalue_reference_t&lt;std::common_type_t&lt;T, U&gt;&gt;,</span></div><div class="line"><a name="l00328"></a><span class="lineno">  328</span>&#160;<span class="comment">//               common_reference_t&lt;</span></div><div class="line"><a name="l00329"></a><span class="lineno">  329</span>&#160;<span class="comment">//                  std::add_lvalue_reference_t&lt;const T&gt;,</span></div><div class="line"><a name="l00330"></a><span class="lineno">  330</span>&#160;<span class="comment">//                  std::add_lvalue_reference_t&lt;const U&gt;</span></div><div class="line"><a name="l00331"></a><span class="lineno">  331</span>&#160;<span class="comment">//               &gt;</span></div><div class="line"><a name="l00332"></a><span class="lineno">  332</span>&#160;<span class="comment">//         &gt;&gt;</span></div><div class="line"><a name="l00333"></a><span class="lineno">  333</span>&#160;<span class="comment">//      &gt;::value;</span></div><div class="line"><a name="l00334"></a><span class="lineno">  334</span>&#160;<span class="preprocessor">   #endif</span></div><div class="line"><a name="l00335"></a><span class="lineno">  335</span>&#160;</div><div class="line"><a name="l00339"></a><span class="lineno">  339</span>&#160;   <span class="keyword">template</span> &lt;<span class="keyword">class</span> T&gt;</div><div class="line"><a name="l00340"></a><span class="lineno"><a class="line" href="namespaceutl.html#ada9137016ddccf3339b2f6b3c409cc3c">  340</a></span>&#160;   <a class="code" href="group__concepts.html#gaf81026787698cd63592563ab8223062b">_utlConcept</a> <a class="code" href="namespaceutl.html#ada9137016ddccf3339b2f6b3c409cc3c">Integral</a> = std::is_integral&lt;T&gt;::value;</div><div class="line"><a name="l00341"></a><span class="lineno">  341</span>&#160;</div><div class="line"><a name="l00345"></a><span class="lineno">  345</span>&#160;   <span class="keyword">template</span> &lt;<span class="keyword">class</span> T&gt;</div><div class="line"><a name="l00346"></a><span class="lineno"><a class="line" href="namespaceutl.html#a667b758d906c466d1b8a878a45750bf1">  346</a></span>&#160;   <a class="code" href="group__concepts.html#gaf81026787698cd63592563ab8223062b">_utlConcept</a> <a class="code" href="namespaceutl.html#a667b758d906c466d1b8a878a45750bf1">SignedIntegral</a> = Integral&lt;T&gt; &amp;&amp; std::is_signed&lt;T&gt;::value;</div><div class="line"><a name="l00347"></a><span class="lineno">  347</span>&#160;</div><div class="line"><a name="l00351"></a><span class="lineno">  351</span>&#160;   <span class="keyword">template</span> &lt;<span class="keyword">class</span> T&gt;</div><div class="line"><a name="l00352"></a><span class="lineno"><a class="line" href="namespaceutl.html#a7fb6eaf8fc1c5d65755c8c96a7a9b61f">  352</a></span>&#160;   <a class="code" href="group__concepts.html#gaf81026787698cd63592563ab8223062b">_utlConcept</a> <a class="code" href="namespaceutl.html#a7fb6eaf8fc1c5d65755c8c96a7a9b61f">UnsignedIntegral</a> = Integral&lt;T&gt; &amp;&amp; !std::is_signed&lt;T&gt;::value;</div><div class="line"><a name="l00353"></a><span class="lineno">  353</span>&#160;</div><div class="line"><a name="l00354"></a><span class="lineno">  354</span>&#160;</div><div class="line"><a name="l00355"></a><span class="lineno">  355</span>&#160;   <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;</div><div class="line"><a name="l00356"></a><span class="lineno"><a class="line" href="namespaceutl.html#a7b8e4a26148ed5f2c60e4fd7d41e7e63">  356</a></span>&#160;   <a class="code" href="group__concepts.html#gaf81026787698cd63592563ab8223062b">_utlConcept</a> <a class="code" href="namespaceutl.html#a7b8e4a26148ed5f2c60e4fd7d41e7e63">MoveAssignable</a> = std::is_move_assignable&lt;T&gt;::value;</div><div class="line"><a name="l00357"></a><span class="lineno">  357</span>&#160;</div><div class="line"><a name="l00358"></a><span class="lineno">  358</span>&#160;   <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;</div><div class="line"><a name="l00359"></a><span class="lineno"><a class="line" href="namespaceutl.html#a1be866c815c4fcb2a7344650c3491c0c">  359</a></span>&#160;   <a class="code" href="group__concepts.html#gaf81026787698cd63592563ab8223062b">_utlConcept</a> <a class="code" href="namespaceutl.html#a1be866c815c4fcb2a7344650c3491c0c">CopyAssignable</a> = std::is_copy_assignable&lt;T&gt;::value;</div><div class="line"><a name="l00360"></a><span class="lineno">  360</span>&#160;</div><div class="line"><a name="l00365"></a><span class="lineno">  365</span>&#160;   <span class="keyword">template</span>&lt;<span class="keyword">class</span> LHS, <span class="keyword">class</span> RHS&gt;</div><div class="line"><a name="l00366"></a><span class="lineno"><a class="line" href="namespaceutl.html#acfbced82f83ceb87eeb77d31941c011a">  366</a></span>&#160;   <a class="code" href="group__concepts.html#gaf81026787698cd63592563ab8223062b">_utlConcept</a> <a class="code" href="namespaceutl.html#acfbced82f83ceb87eeb77d31941c011a">Assignable</a> =</div><div class="line"><a name="l00367"></a><span class="lineno">  367</span>&#160;<span class="preprocessor">   #if CXX_CONCEPTS</span></div><div class="line"><a name="l00368"></a><span class="lineno">  368</span>&#160;      std::is_lvalue_reference&lt;LHS&gt;::value &amp;&amp;</div><div class="line"><a name="l00369"></a><span class="lineno">  369</span>&#160;<span class="comment">//      CommonReference&lt;</span></div><div class="line"><a name="l00370"></a><span class="lineno">  370</span>&#160;<span class="comment">//         const std::remove_reference_t&lt;L&gt;&amp;,</span></div><div class="line"><a name="l00371"></a><span class="lineno">  371</span>&#160;<span class="comment">//         const std::remove_reference_t&lt;R&gt;&amp;&gt; &amp;&amp;</span></div><div class="line"><a name="l00372"></a><span class="lineno">  372</span>&#160;      requires(LHS lhs, RHS&amp;&amp; rhs) {</div><div class="line"><a name="l00373"></a><span class="lineno">  373</span>&#160;         lhs = std::forward&lt;RHS&gt;(rhs);</div><div class="line"><a name="l00374"></a><span class="lineno">  374</span>&#160;         requires <a class="code" href="namespaceutl.html#af86da3571c3026c6bbd501c6b7bc5093">Same</a>&lt;</div><div class="line"><a name="l00375"></a><span class="lineno">  375</span>&#160;            decltype(lhs = std::forward&lt;RHS&gt;(rhs)), LHS</div><div class="line"><a name="l00376"></a><span class="lineno">  376</span>&#160;         &gt;;</div><div class="line"><a name="l00377"></a><span class="lineno">  377</span>&#160;      };</div><div class="line"><a name="l00378"></a><span class="lineno">  378</span>&#160;<span class="preprocessor">   #else</span></div><div class="line"><a name="l00379"></a><span class="lineno">  379</span>&#160;      std::is_assignable&lt;LHS, RHS&gt;::value;</div><div class="line"><a name="l00380"></a><span class="lineno">  380</span>&#160;<span class="preprocessor">   #endif</span></div><div class="line"><a name="l00381"></a><span class="lineno">  381</span>&#160;</div><div class="line"><a name="l00385"></a><span class="lineno">  385</span>&#160;<span class="preprocessor">   #if CXX_VER &lt; CXX_VER_STD_17</span></div><div class="line"><a name="l00387"></a><span class="lineno">  387</span>&#160;   <span class="keyword">namespace </span>swappable_with_impl {</div><div class="line"><a name="l00388"></a><span class="lineno">  388</span>&#160;      <span class="keyword">struct </span>is_swappable_with_ {</div><div class="line"><a name="l00389"></a><span class="lineno">  389</span>&#160;         <span class="comment">// can apply std::swap</span></div><div class="line"><a name="l00390"></a><span class="lineno">  390</span>&#160;         <span class="keyword">template</span>&lt;<span class="keyword">typename</span> _Tp,</div><div class="line"><a name="l00391"></a><span class="lineno">  391</span>&#160;                  <span class="keyword">typename</span> _Up,</div><div class="line"><a name="l00392"></a><span class="lineno">  392</span>&#160;                  <span class="keyword">typename</span></div><div class="line"><a name="l00393"></a><span class="lineno">  393</span>&#160;                     = decltype(<a class="code" href="namespaceutl.html#ae0f873b4883af7cc18cb23dd2810f4e6">std::swap</a>(std::declval&lt;_Tp&amp;&gt;(), std::declval&lt;_Up&amp;&gt;())),</div><div class="line"><a name="l00394"></a><span class="lineno">  394</span>&#160;                  <span class="keyword">typename</span></div><div class="line"><a name="l00395"></a><span class="lineno">  395</span>&#160;                     = decltype(<a class="code" href="namespaceutl.html#ae0f873b4883af7cc18cb23dd2810f4e6">std::swap</a>(std::declval&lt;_Up&amp;&gt;(), std::declval&lt;_Tp&amp;&gt;()))&gt;</div><div class="line"><a name="l00396"></a><span class="lineno">  396</span>&#160;         <span class="keyword">static</span> <a class="code" href="namespaceutl_1_1meta.html#ae9a5a8fbe8202785f059935af219fb97">meta::true_</a> check(<span class="keywordtype">int</span>);</div><div class="line"><a name="l00397"></a><span class="lineno">  397</span>&#160;         <span class="comment">// can not apply std::swap</span></div><div class="line"><a name="l00398"></a><span class="lineno">  398</span>&#160;         <span class="keyword">template</span>&lt;<span class="keyword">typename</span>, <span class="keyword">typename</span>&gt; <span class="keyword">static</span> <a class="code" href="namespaceutl_1_1meta.html#a55511dbaa0adb605ce22dcec11f8d22d">meta::false_</a> check(...);</div><div class="line"><a name="l00399"></a><span class="lineno">  399</span>&#160;      };</div><div class="line"><a name="l00400"></a><span class="lineno">  400</span>&#160;   }</div><div class="line"><a name="l00401"></a><span class="lineno">  401</span>&#160;   <span class="keyword">template</span> &lt;<span class="keyword">typename</span> _Tp, <span class="keyword">typename</span> _Up&gt;</div><div class="line"><a name="l00402"></a><span class="lineno">  402</span>&#160;   <span class="keyword">struct </span><a class="code" href="namespaceutl.html#ab437a6d3a1f420b44e01378ae37fcb24">is_swappable_with</a></div><div class="line"><a name="l00403"></a><span class="lineno">  403</span>&#160;      : swappable_with_impl::is_swappable_with_ {</div><div class="line"><a name="l00404"></a><span class="lineno">  404</span>&#160;      <span class="keyword">using</span> type = decltype(check&lt;_Tp, _Up&gt;(0));</div><div class="line"><a name="l00405"></a><span class="lineno">  405</span>&#160;   };</div><div class="line"><a name="l00406"></a><span class="lineno">  406</span>&#160;<span class="preprocessor">   #else</span></div><div class="line"><a name="l00407"></a><span class="lineno"><a class="line" href="namespaceutl.html#a1d50e9abd420e77555624f3e52bc7479">  407</a></span>&#160;   <span class="keyword">using</span> <a class="code" href="namespaceutl.html#a1d50e9abd420e77555624f3e52bc7479">is_swappable</a> = <a class="code" href="namespaceutl.html#a1d50e9abd420e77555624f3e52bc7479">std::is_swappable</a>;</div><div class="line"><a name="l00408"></a><span class="lineno"><a class="line" href="namespaceutl.html#ab437a6d3a1f420b44e01378ae37fcb24">  408</a></span>&#160;   <span class="keyword">using</span> <a class="code" href="namespaceutl.html#ab437a6d3a1f420b44e01378ae37fcb24">is_swappable_with</a> = <a class="code" href="namespaceutl.html#ab437a6d3a1f420b44e01378ae37fcb24">std::is_swappable_with</a>;</div><div class="line"><a name="l00409"></a><span class="lineno">  409</span>&#160;<span class="preprocessor">   #endif</span></div><div class="line"><a name="l00410"></a><span class="lineno">  410</span>&#160;</div><div class="line"><a name="l00411"></a><span class="lineno">  411</span>&#160;   <span class="comment">// != std:: on CommonReference</span></div><div class="line"><a name="l00412"></a><span class="lineno">  412</span>&#160;   <span class="keyword">template</span>&lt;<span class="keyword">class</span> T, <span class="keyword">class</span> U&gt;</div><div class="line"><a name="l00413"></a><span class="lineno"><a class="line" href="namespaceutl.html#a4a3bb850ba59d499382bd11153104af7">  413</a></span>&#160;   <a class="code" href="group__concepts.html#gaf81026787698cd63592563ab8223062b">_utlConcept</a> <a class="code" href="namespaceutl.html#a4a3bb850ba59d499382bd11153104af7">SwappableWith</a> =</div><div class="line"><a name="l00414"></a><span class="lineno">  414</span>&#160;      <a class="code" href="namespaceutl.html#ab437a6d3a1f420b44e01378ae37fcb24">is_swappable_with&lt;T, T&gt;::type::value</a> &amp;&amp;</div><div class="line"><a name="l00415"></a><span class="lineno">  415</span>&#160;      <a class="code" href="namespaceutl.html#ab437a6d3a1f420b44e01378ae37fcb24">is_swappable_with&lt;U, U&gt;::type::value</a> &amp;&amp;</div><div class="line"><a name="l00416"></a><span class="lineno">  416</span>&#160;      <a class="code" href="namespaceutl.html#ab437a6d3a1f420b44e01378ae37fcb24">is_swappable_with&lt;T, U&gt;::type::value</a> &amp;&amp;</div><div class="line"><a name="l00417"></a><span class="lineno">  417</span>&#160;      <a class="code" href="namespaceutl.html#ab437a6d3a1f420b44e01378ae37fcb24">is_swappable_with&lt;U, T&gt;::type::value</a>;</div><div class="line"><a name="l00418"></a><span class="lineno">  418</span>&#160;<span class="comment">//      std::CommonReference&lt;</span></div><div class="line"><a name="l00419"></a><span class="lineno">  419</span>&#160;<span class="comment">//         const std::remove_reference_t&lt;T&gt;&amp;,</span></div><div class="line"><a name="l00420"></a><span class="lineno">  420</span>&#160;<span class="comment">//         const std::remove_reference_t&lt;U&gt;&amp;</span></div><div class="line"><a name="l00421"></a><span class="lineno">  421</span>&#160;<span class="comment">//      &gt;;</span></div><div class="line"><a name="l00422"></a><span class="lineno">  422</span>&#160;</div><div class="line"><a name="l00423"></a><span class="lineno">  423</span>&#160;   <span class="comment">// != std:: we use is_swappable_with now is_swappable</span></div><div class="line"><a name="l00424"></a><span class="lineno">  424</span>&#160;   <span class="keyword">template</span>&lt;<span class="keyword">class</span> T&gt;</div><div class="line"><a name="l00425"></a><span class="lineno"><a class="line" href="namespaceutl.html#ae2b149b19fb3d69a4fc555e4474bf9de">  425</a></span>&#160;   <a class="code" href="group__concepts.html#gaf81026787698cd63592563ab8223062b">_utlConcept</a> <a class="code" href="namespaceutl.html#ae2b149b19fb3d69a4fc555e4474bf9de">Swappable</a> = <a class="code" href="namespaceutl.html#ab437a6d3a1f420b44e01378ae37fcb24">is_swappable_with&lt;T, T&gt;::type::value</a>;</div><div class="line"><a name="l00427"></a><span class="lineno">  427</span>&#160;</div><div class="line"><a name="l00431"></a><span class="lineno">  431</span>&#160;   <span class="keyword">template</span> &lt;<span class="keyword">class</span> T&gt;</div><div class="line"><a name="l00432"></a><span class="lineno"><a class="line" href="namespaceutl.html#acf2f1df100b0cc4f127243a1a83a8469">  432</a></span>&#160;   <a class="code" href="group__concepts.html#gaf81026787698cd63592563ab8223062b">_utlConcept</a> <a class="code" href="namespaceutl.html#acf2f1df100b0cc4f127243a1a83a8469">Destructible</a> = std::is_nothrow_destructible&lt;T&gt;::value;</div><div class="line"><a name="l00433"></a><span class="lineno">  433</span>&#160;</div><div class="line"><a name="l00437"></a><span class="lineno">  437</span>&#160;   <span class="keyword">template</span> &lt;<span class="keyword">class </span>T, <span class="keyword">class</span>... Args&gt;</div><div class="line"><a name="l00438"></a><span class="lineno"><a class="line" href="namespaceutl.html#a2a3ef7a9c788ffc1291ce15d2e5869bf">  438</a></span>&#160;   <a class="code" href="group__concepts.html#gaf81026787698cd63592563ab8223062b">_utlConcept</a> <a class="code" href="namespaceutl.html#a2a3ef7a9c788ffc1291ce15d2e5869bf">Constructible</a> =</div><div class="line"><a name="l00439"></a><span class="lineno">  439</span>&#160;      Destructible&lt;T&gt; &amp;&amp; std::is_constructible&lt;T, Args...&gt;::value;</div><div class="line"><a name="l00443"></a><span class="lineno">  443</span>&#160;   <span class="keyword">template</span> &lt;<span class="keyword">class</span> T&gt;</div><div class="line"><a name="l00444"></a><span class="lineno"><a class="line" href="namespaceutl.html#aacd3a17129d764e8a80c615eb4b88dc3">  444</a></span>&#160;   <a class="code" href="group__concepts.html#gaf81026787698cd63592563ab8223062b">_utlConcept</a> <a class="code" href="namespaceutl.html#aacd3a17129d764e8a80c615eb4b88dc3">DefaultConstructible</a> = Constructible&lt;T&gt;;</div><div class="line"><a name="l00445"></a><span class="lineno">  445</span>&#160;</div><div class="line"><a name="l00451"></a><span class="lineno">  451</span>&#160;   <span class="keyword">template</span>&lt;<span class="keyword">class</span> T&gt;</div><div class="line"><a name="l00452"></a><span class="lineno"><a class="line" href="namespaceutl.html#a2a728f3d477d96f4f719bf62079321cf">  452</a></span>&#160;   <a class="code" href="group__concepts.html#gaf81026787698cd63592563ab8223062b">_utlConcept</a> <a class="code" href="namespaceutl.html#a2a728f3d477d96f4f719bf62079321cf">MoveConstructible</a> =</div><div class="line"><a name="l00453"></a><span class="lineno">  453</span>&#160;      Constructible&lt;T, T&gt; &amp;&amp; ConvertibleTo&lt;T, T&gt;;</div><div class="line"><a name="l00454"></a><span class="lineno">  454</span>&#160;</div><div class="line"><a name="l00458"></a><span class="lineno">  458</span>&#160;   <span class="keyword">template</span> &lt;<span class="keyword">class</span> T&gt;</div><div class="line"><a name="l00459"></a><span class="lineno"><a class="line" href="namespaceutl.html#afb0f121b33b44640406b724c4d582b70">  459</a></span>&#160;   <a class="code" href="group__concepts.html#gaf81026787698cd63592563ab8223062b">_utlConcept</a> <a class="code" href="namespaceutl.html#afb0f121b33b44640406b724c4d582b70">CopyConstructible</a> =</div><div class="line"><a name="l00460"></a><span class="lineno">  460</span>&#160;      MoveConstructible&lt;T&gt; &amp;&amp;</div><div class="line"><a name="l00461"></a><span class="lineno">  461</span>&#160;      Constructible&lt;T, _ref_t&lt;T&gt;&gt; &amp;&amp; ConvertibleTo&lt;_ref_t&lt;T&gt;, T&gt; &amp;&amp;</div><div class="line"><a name="l00462"></a><span class="lineno">  462</span>&#160;      Constructible&lt;T, const _ref_t&lt;T&gt;&gt; &amp;&amp; ConvertibleTo&lt;const _ref_t&lt;T&gt;, T&gt; &amp;&amp;</div><div class="line"><a name="l00463"></a><span class="lineno">  463</span>&#160;      Constructible&lt;T, const T&gt; &amp;&amp; ConvertibleTo&lt;const T, T&gt;;</div><div class="line"><a name="l00464"></a><span class="lineno">  464</span>&#160;</div><div class="line"><a name="l00468"></a><span class="lineno">  468</span>&#160;   <span class="keyword">template</span> &lt;<span class="keyword">class</span> T&gt;</div><div class="line"><a name="l00469"></a><span class="lineno"><a class="line" href="namespaceutl.html#afc25cb525eb29162042c21238f28f26e">  469</a></span>&#160;   <a class="code" href="group__concepts.html#gaf81026787698cd63592563ab8223062b">_utlConcept</a> <a class="code" href="namespaceutl.html#afc25cb525eb29162042c21238f28f26e">Movable</a> =</div><div class="line"><a name="l00470"></a><span class="lineno">  470</span>&#160;      std::is_object&lt;T&gt;::value &amp;&amp;</div><div class="line"><a name="l00471"></a><span class="lineno">  471</span>&#160;      MoveConstructible&lt;T&gt; &amp;&amp;</div><div class="line"><a name="l00472"></a><span class="lineno">  472</span>&#160;      Assignable&lt;_ref_t&lt;T&gt;, T&gt; &amp;&amp;</div><div class="line"><a name="l00473"></a><span class="lineno">  473</span>&#160;      Swappable&lt;T&gt;;</div><div class="line"><a name="l00474"></a><span class="lineno">  474</span>&#160;</div><div class="line"><a name="l00475"></a><span class="lineno">  475</span>&#160;</div><div class="line"><a name="l00479"></a><span class="lineno">  479</span>&#160;   <span class="keyword">template</span> &lt;<span class="keyword">class</span> T&gt;</div><div class="line"><a name="l00480"></a><span class="lineno"><a class="line" href="namespaceutl.html#ac300f0e204f0ec4bd0ca38a551bb2b88">  480</a></span>&#160;   <a class="code" href="group__concepts.html#gaf81026787698cd63592563ab8223062b">_utlConcept</a> <a class="code" href="namespaceutl.html#ac300f0e204f0ec4bd0ca38a551bb2b88">Copyable</a> =</div><div class="line"><a name="l00481"></a><span class="lineno">  481</span>&#160;      CopyConstructible&lt;T&gt; &amp;&amp;</div><div class="line"><a name="l00482"></a><span class="lineno">  482</span>&#160;      Movable&lt;T&gt; &amp;&amp;</div><div class="line"><a name="l00483"></a><span class="lineno">  483</span>&#160;      Assignable&lt;_ref_t&lt;T&gt;, <span class="keyword">const</span> <a class="code" href="namespaceutl.html#aa3f95fc48a94b2fae3c2959b7c024998">_ref_t&lt;T&gt;</a>&gt;;</div><div class="line"><a name="l00484"></a><span class="lineno">  484</span>&#160;</div><div class="line"><a name="l00485"></a><span class="lineno">  485</span>&#160;</div><div class="line"><a name="l00489"></a><span class="lineno">  489</span>&#160;<span class="preprocessor">   #if CXX_CONCEPTS</span></div><div class="line"><a name="l00490"></a><span class="lineno">  490</span>&#160;   <span class="keyword">template</span> &lt;<span class="keyword">class</span> B&gt;</div><div class="line"><a name="l00491"></a><span class="lineno">  491</span>&#160;   <a class="code" href="group__concepts.html#gaf81026787698cd63592563ab8223062b">_utlConcept</a> <a class="code" href="namespaceutl.html#a38e00606b4b45a2ac59fa4576b4498c6">Boolean</a> =</div><div class="line"><a name="l00492"></a><span class="lineno">  492</span>&#160;      Movable&lt;remove_cvref_t&lt;B&gt;&gt; &amp;&amp;</div><div class="line"><a name="l00493"></a><span class="lineno">  493</span>&#160;      requires(<span class="keyword">const</span> std::remove_reference_t&lt;B&gt;&amp; b1,</div><div class="line"><a name="l00494"></a><span class="lineno">  494</span>&#160;               <span class="keyword">const</span> std::remove_reference_t&lt;B&gt;&amp; b2, <span class="keyword">const</span> <span class="keywordtype">bool</span> a) {</div><div class="line"><a name="l00495"></a><span class="lineno">  495</span>&#160;         requires ConvertibleTo&lt;const std::remove_reference_t&lt;B&gt;&amp;, <span class="keywordtype">bool</span>&gt;;</div><div class="line"><a name="l00496"></a><span class="lineno">  496</span>&#160;         !b1;      requires ConvertibleTo&lt;decltype(!b1), bool&gt;;</div><div class="line"><a name="l00497"></a><span class="lineno">  497</span>&#160;         b1 &amp;&amp; a;  requires Same&lt;decltype(b1 &amp;&amp; a), bool&gt;;</div><div class="line"><a name="l00498"></a><span class="lineno">  498</span>&#160;         b1 || a;  requires Same&lt;decltype(b1 || a), bool&gt;;</div><div class="line"><a name="l00499"></a><span class="lineno">  499</span>&#160;         b1 &amp;&amp; b2; requires Same&lt;decltype(b1 &amp;&amp; b2), bool&gt;;</div><div class="line"><a name="l00500"></a><span class="lineno">  500</span>&#160;         a &amp;&amp; b2;  requires Same&lt;decltype(a &amp;&amp; b2), bool&gt;;</div><div class="line"><a name="l00501"></a><span class="lineno">  501</span>&#160;         b1 || b2; requires Same&lt;decltype(b1 || b2), bool&gt;;</div><div class="line"><a name="l00502"></a><span class="lineno">  502</span>&#160;         a || b2;  requires Same&lt;decltype(a || b2), bool&gt;;</div><div class="line"><a name="l00503"></a><span class="lineno">  503</span>&#160;         b1 == b2; requires ConvertibleTo&lt;decltype(b1 == b2), bool&gt;;</div><div class="line"><a name="l00504"></a><span class="lineno">  504</span>&#160;         b1 == a;  requires ConvertibleTo&lt;decltype(b1 == a), bool&gt;;</div><div class="line"><a name="l00505"></a><span class="lineno">  505</span>&#160;         a == b2;  requires ConvertibleTo&lt;decltype(a == b2), bool&gt;;</div><div class="line"><a name="l00506"></a><span class="lineno">  506</span>&#160;         b1 != b2; requires ConvertibleTo&lt;decltype(b1 != b2), bool&gt;;</div><div class="line"><a name="l00507"></a><span class="lineno">  507</span>&#160;         b1 != a;  requires ConvertibleTo&lt;decltype(b1 != a), bool&gt;;</div><div class="line"><a name="l00508"></a><span class="lineno">  508</span>&#160;         a != b2;  requires ConvertibleTo&lt;decltype(a != b2), bool&gt;;</div><div class="line"><a name="l00509"></a><span class="lineno">  509</span>&#160;      };</div><div class="line"><a name="l00510"></a><span class="lineno">  510</span>&#160;<span class="preprocessor">   #else</span></div><div class="line"><a name="l00511"></a><span class="lineno"><a class="line" href="namespaceutl_1_1details.html">  511</a></span>&#160;   <span class="keyword">namespace </span>details {</div><div class="line"><a name="l00512"></a><span class="lineno">  512</span>&#160;<span class="comment">//      template &lt;typename B&gt; using try_op_not_ = decltype(!std::declval&lt;cref_&lt;B&gt;&gt;());</span></div><div class="line"><a name="l00513"></a><span class="lineno">  513</span>&#160;<span class="comment">//      template &lt;typename B&gt; using try_op_eq_  = decltype(std::declval&lt;cref_&lt;B&gt;&gt;() == std::declval&lt;cref_&lt;B&gt;&gt;());</span></div><div class="line"><a name="l00514"></a><span class="lineno">  514</span>&#160;<span class="comment">//      template &lt;typename B&gt; using try_op_neq_ = decltype(std::declval&lt;cref_&lt;B&gt;&gt;() != std::declval&lt;cref_&lt;B&gt;&gt;());</span></div><div class="line"><a name="l00515"></a><span class="lineno">  515</span>&#160;<span class="comment">//      template &lt;typename B&gt; using try_op_and_ = decltype(std::declval&lt;cref_&lt;B&gt;&gt;() &amp;&amp; std::declval&lt;cref_&lt;B&gt;&gt;());</span></div><div class="line"><a name="l00516"></a><span class="lineno">  516</span>&#160;<span class="comment">//      template &lt;typename B&gt; using try_op_or_  = decltype(std::declval&lt;cref_&lt;B&gt;&gt;() || std::declval&lt;cref_&lt;B&gt;&gt;());</span></div><div class="line"><a name="l00517"></a><span class="lineno">  517</span>&#160;<span class="comment">//</span></div><div class="line"><a name="l00518"></a><span class="lineno">  518</span>&#160;<span class="comment">//      template &lt;typename B&gt;</span></div><div class="line"><a name="l00519"></a><span class="lineno">  519</span>&#160;<span class="comment">//      struct is_boolean__ {</span></div><div class="line"><a name="l00520"></a><span class="lineno">  520</span>&#160;<span class="comment">//         using type = meta::and_ &lt;</span></div><div class="line"><a name="l00521"></a><span class="lineno">  521</span>&#160;<span class="comment">//            meta::is_detected&lt;B, try_op_not_&gt;,</span></div><div class="line"><a name="l00522"></a><span class="lineno">  522</span>&#160;<span class="comment">//            meta::is_detected&lt;B, try_op_eq_&gt;,</span></div><div class="line"><a name="l00523"></a><span class="lineno">  523</span>&#160;<span class="comment">//            meta::is_detected&lt;B, try_op_neq_&gt;,</span></div><div class="line"><a name="l00524"></a><span class="lineno">  524</span>&#160;<span class="comment">//            meta::is_detected&lt;B, try_op_and_&gt;,</span></div><div class="line"><a name="l00525"></a><span class="lineno">  525</span>&#160;<span class="comment">//            meta::is_detected&lt;B, try_op_or_&gt;</span></div><div class="line"><a name="l00526"></a><span class="lineno">  526</span>&#160;<span class="comment">//         &gt;;</span></div><div class="line"><a name="l00527"></a><span class="lineno">  527</span>&#160;<span class="comment">//      };</span></div><div class="line"><a name="l00528"></a><span class="lineno">  528</span>&#160;</div><div class="line"><a name="l00529"></a><span class="lineno">  529</span>&#160;      <span class="keyword">template</span> &lt;<span class="keyword">typename</span> B, <span class="keyword">typename</span> = <span class="keywordtype">void</span>&gt;</div><div class="line"><a name="l00530"></a><span class="lineno"><a class="line" href="structutl_1_1details_1_1is__boolean__.html">  530</a></span>&#160;      <span class="keyword">struct </span><a class="code" href="structutl_1_1details_1_1is__boolean__.html">is_boolean_</a> {</div><div class="line"><a name="l00531"></a><span class="lineno"><a class="line" href="structutl_1_1details_1_1is__boolean__.html#ad34df9d79caf33bf92019da4232b791c">  531</a></span>&#160;         <span class="keyword">using</span> <a class="code" href="structutl_1_1details_1_1is__boolean__.html#ad34df9d79caf33bf92019da4232b791c">type</a> = <a class="code" href="namespaceutl_1_1meta.html#a55511dbaa0adb605ce22dcec11f8d22d">meta::false_</a>;</div><div class="line"><a name="l00532"></a><span class="lineno">  532</span>&#160;      };</div><div class="line"><a name="l00533"></a><span class="lineno">  533</span>&#160;</div><div class="line"><a name="l00534"></a><span class="lineno">  534</span>&#160;      <span class="keyword">template</span> &lt;<span class="keyword">typename</span> B&gt;</div><div class="line"><a name="l00535"></a><span class="lineno"><a class="line" href="structutl_1_1details_1_1is__boolean___3_01_b_00_01meta_1_1void__t_3_01meta_1_1use__if__same__t_37e77ed45a431955fc15b4c1210ad8491.html">  535</a></span>&#160;      <span class="keyword">struct </span><a class="code" href="structutl_1_1details_1_1is__boolean__.html">is_boolean_</a> &lt;B, meta::<a class="code" href="group__detection.html#gae7373c997420d16cf37e542eb3cfa3ad">void_t</a>&lt;</div><div class="line"><a name="l00536"></a><span class="lineno">  536</span>&#160;            meta::use_if_same_t&lt;bool, decltype(!std::declval&lt;cref_&lt;B&gt;&gt;())&gt;,</div><div class="line"><a name="l00537"></a><span class="lineno">  537</span>&#160;            meta::use_if_same_t&lt;bool, decltype(std::declval&lt;cref_&lt;B&gt;&gt;() == std::declval&lt;cref_&lt;B&gt;&gt;())&gt;,</div><div class="line"><a name="l00538"></a><span class="lineno">  538</span>&#160;            meta::use_if_same_t&lt;bool, decltype(std::declval&lt;cref_&lt;B&gt;&gt;() != std::declval&lt;cref_&lt;B&gt;&gt;())&gt;,</div><div class="line"><a name="l00539"></a><span class="lineno">  539</span>&#160;            meta::use_if_same_t&lt;bool, decltype(std::declval&lt;cref_&lt;B&gt;&gt;() &amp;&amp; std::declval&lt;cref_&lt;B&gt;&gt;())&gt;,</div><div class="line"><a name="l00540"></a><span class="lineno">  540</span>&#160;            meta::use_if_same_t&lt;bool, decltype(std::declval&lt;cref_&lt;B&gt;&gt;() || std::declval&lt;cref_&lt;B&gt;&gt;())&gt;</div><div class="line"><a name="l00541"></a><span class="lineno">  541</span>&#160;      &gt;&gt; {</div><div class="line"><a name="l00542"></a><span class="lineno"><a class="line" href="structutl_1_1details_1_1is__boolean___3_01_b_00_01meta_1_1void__t_3_01meta_1_1use__if__same__t_37e77ed45a431955fc15b4c1210ad8491.html#abfb3ea1ef62c31310d992fde67f92900">  542</a></span>&#160;         <span class="keyword">using</span> <a class="code" href="structutl_1_1details_1_1is__boolean___3_01_b_00_01meta_1_1void__t_3_01meta_1_1use__if__same__t_37e77ed45a431955fc15b4c1210ad8491.html#abfb3ea1ef62c31310d992fde67f92900">type</a> = <a class="code" href="namespaceutl_1_1meta.html#ae9a5a8fbe8202785f059935af219fb97">meta::true_</a>;</div><div class="line"><a name="l00543"></a><span class="lineno">  543</span>&#160;      };</div><div class="line"><a name="l00544"></a><span class="lineno">  544</span>&#160;</div><div class="line"><a name="l00545"></a><span class="lineno">  545</span>&#160;      <span class="keyword">template</span> &lt;<span class="keyword">typename</span> B&gt;</div><div class="line"><a name="l00546"></a><span class="lineno">  546</span>&#160;      <span class="keyword">using</span> <a class="code" href="namespaceutl_1_1details.html#a7f9309206778a6e9f0859c328b4288df">is_boolean_t</a> = <a class="code" href="namespaceutl_1_1meta.html#aa5a37adba244ff4286f994111c4c02ea">meta::eval</a> &lt;</div><div class="line"><a name="l00547"></a><span class="lineno">  547</span>&#160;         <a class="code" href="structutl_1_1details_1_1is__boolean__.html">is_boolean_&lt;B&gt;</a></div><div class="line"><a name="l00548"></a><span class="lineno"><a class="line" href="namespaceutl_1_1details.html#a7f9309206778a6e9f0859c328b4288df">  548</a></span>&#160;      &gt;;</div><div class="line"><a name="l00549"></a><span class="lineno">  549</span>&#160;   }</div><div class="line"><a name="l00550"></a><span class="lineno">  550</span>&#160;   <span class="keyword">template</span> &lt;<span class="keyword">class</span> B&gt;</div><div class="line"><a name="l00551"></a><span class="lineno"><a class="line" href="namespaceutl.html#a38e00606b4b45a2ac59fa4576b4498c6">  551</a></span>&#160;   <a class="code" href="group__concepts.html#gaf81026787698cd63592563ab8223062b">_utlConcept</a> <a class="code" href="namespaceutl.html#a38e00606b4b45a2ac59fa4576b4498c6">Boolean</a> =</div><div class="line"><a name="l00552"></a><span class="lineno">  552</span>&#160;      Movable&lt;remove_cvref_t&lt;B&gt;&gt; &amp;&amp;</div><div class="line"><a name="l00553"></a><span class="lineno">  553</span>&#160;      <span class="comment">//ConvertibleTo&lt;const std::remove_reference_t&lt;B&gt;&amp;, bool&gt; &amp;&amp;</span></div><div class="line"><a name="l00554"></a><span class="lineno">  554</span>&#160;      ConvertibleTo&lt;const _ref_t&lt;B&gt;, <span class="keywordtype">bool</span>&gt; &amp;&amp;</div><div class="line"><a name="l00555"></a><span class="lineno">  555</span>&#160;      Same&lt;meta::true_, details::is_boolean_t&lt;B&gt;&gt;;</div><div class="line"><a name="l00556"></a><span class="lineno">  556</span>&#160;<span class="preprocessor">   #endif</span></div><div class="line"><a name="l00557"></a><span class="lineno">  557</span>&#160;</div><div class="line"><a name="l00558"></a><span class="lineno">  558</span>&#160;</div><div class="line"><a name="l00559"></a><span class="lineno">  559</span>&#160;   <span class="keyword">namespace </span>details {</div><div class="line"><a name="l00560"></a><span class="lineno">  560</span>&#160;      <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T, <span class="keyword">typename</span> U, <span class="keyword">typename</span> = <span class="keywordtype">void</span>&gt;</div><div class="line"><a name="l00561"></a><span class="lineno"><a class="line" href="structutl_1_1details_1_1is__weakly__equality__comparable__with__.html">  561</a></span>&#160;      <span class="keyword">struct </span><a class="code" href="structutl_1_1details_1_1is__weakly__equality__comparable__with__.html">is_weakly_equality_comparable_with_</a> {</div><div class="line"><a name="l00562"></a><span class="lineno"><a class="line" href="structutl_1_1details_1_1is__weakly__equality__comparable__with__.html#ab700b64203b780a4e35e0b9362224da4">  562</a></span>&#160;         <span class="keyword">using</span> <a class="code" href="structutl_1_1details_1_1is__weakly__equality__comparable__with__.html#ab700b64203b780a4e35e0b9362224da4">type</a> = <a class="code" href="namespaceutl_1_1meta.html#a55511dbaa0adb605ce22dcec11f8d22d">meta::false_</a>;</div><div class="line"><a name="l00563"></a><span class="lineno">  563</span>&#160;      };</div><div class="line"><a name="l00564"></a><span class="lineno">  564</span>&#160;</div><div class="line"><a name="l00565"></a><span class="lineno">  565</span>&#160;      <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T, <span class="keyword">typename</span> U&gt;</div><div class="line"><a name="l00566"></a><span class="lineno"><a class="line" href="structutl_1_1details_1_1is__weakly__equality__comparable__with___3_01_t_00_01_u_00_01meta_1_1voi4404f901930622694666ca68fb75381b.html">  566</a></span>&#160;      <span class="keyword">struct </span><a class="code" href="structutl_1_1details_1_1is__weakly__equality__comparable__with__.html">is_weakly_equality_comparable_with_</a>&lt;T, U, meta::<a class="code" href="group__detection.html#gae7373c997420d16cf37e542eb3cfa3ad">void_t</a>&lt;</div><div class="line"><a name="l00567"></a><span class="lineno">  567</span>&#160;         meta::use_if_same_t&lt;bool, decltype(std::declval&lt;cref_&lt;T&gt;&gt;() == std::declval&lt;cref_&lt;U&gt;&gt;())&gt;,</div><div class="line"><a name="l00568"></a><span class="lineno">  568</span>&#160;         meta::use_if_same_t&lt;bool, decltype(std::declval&lt;cref_&lt;T&gt;&gt;() != std::declval&lt;cref_&lt;U&gt;&gt;())&gt;,</div><div class="line"><a name="l00569"></a><span class="lineno">  569</span>&#160;         meta::use_if_same_t&lt;bool, decltype(std::declval&lt;cref_&lt;U&gt;&gt;() == std::declval&lt;cref_&lt;T&gt;&gt;())&gt;,</div><div class="line"><a name="l00570"></a><span class="lineno">  570</span>&#160;         meta::use_if_same_t&lt;bool, decltype(std::declval&lt;cref_&lt;U&gt;&gt;() != std::declval&lt;cref_&lt;T&gt;&gt;())&gt;</div><div class="line"><a name="l00571"></a><span class="lineno">  571</span>&#160;      &gt;&gt; {</div><div class="line"><a name="l00572"></a><span class="lineno"><a class="line" href="structutl_1_1details_1_1is__weakly__equality__comparable__with___3_01_t_00_01_u_00_01meta_1_1voi4404f901930622694666ca68fb75381b.html#a107023c7eaad95d6f6ed8eeb60801d69">  572</a></span>&#160;         <span class="keyword">using</span> <a class="code" href="structutl_1_1details_1_1is__weakly__equality__comparable__with___3_01_t_00_01_u_00_01meta_1_1voi4404f901930622694666ca68fb75381b.html#a107023c7eaad95d6f6ed8eeb60801d69">type</a> = <a class="code" href="namespaceutl_1_1meta.html#ae9a5a8fbe8202785f059935af219fb97">meta::true_</a>;</div><div class="line"><a name="l00573"></a><span class="lineno">  573</span>&#160;      };</div><div class="line"><a name="l00574"></a><span class="lineno">  574</span>&#160;</div><div class="line"><a name="l00575"></a><span class="lineno">  575</span>&#160;      <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T, <span class="keyword">typename</span> U&gt;</div><div class="line"><a name="l00576"></a><span class="lineno">  576</span>&#160;      <span class="keyword">using</span> <a class="code" href="namespaceutl_1_1details.html#a499205eb8ca7f46d1e417a27f52442b8">is_weakly_equality_comparable_with_t</a> = <a class="code" href="namespaceutl_1_1meta.html#aa5a37adba244ff4286f994111c4c02ea">meta::eval</a>&lt;</div><div class="line"><a name="l00577"></a><span class="lineno">  577</span>&#160;         <a class="code" href="structutl_1_1details_1_1is__weakly__equality__comparable__with__.html">is_weakly_equality_comparable_with_ &lt;T, U&gt;</a></div><div class="line"><a name="l00578"></a><span class="lineno"><a class="line" href="namespaceutl_1_1details.html#a499205eb8ca7f46d1e417a27f52442b8">  578</a></span>&#160;      &gt;;</div><div class="line"><a name="l00579"></a><span class="lineno">  579</span>&#160;   }</div><div class="line"><a name="l00580"></a><span class="lineno">  580</span>&#160;</div><div class="line"><a name="l00581"></a><span class="lineno">  581</span>&#160;   <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> U&gt;</div><div class="line"><a name="l00582"></a><span class="lineno"><a class="line" href="namespaceutl.html#a216f6e14ca647d85841fa13c40dc4ee3">  582</a></span>&#160;   <a class="code" href="group__concepts.html#gaf81026787698cd63592563ab8223062b">_utlConcept</a> <a class="code" href="namespaceutl.html#a216f6e14ca647d85841fa13c40dc4ee3">WeaklyEqualityComparableWith</a> =</div><div class="line"><a name="l00583"></a><span class="lineno">  583</span>&#160;<span class="preprocessor">   #if CXX_CONCEPTS</span></div><div class="line"><a name="l00584"></a><span class="lineno">  584</span>&#160;      requires(<span class="keyword">const</span> std::remove_reference_t&lt;T&gt;&amp; t,</div><div class="line"><a name="l00585"></a><span class="lineno">  585</span>&#160;               <span class="keyword">const</span> std::remove_reference_t&lt;U&gt;&amp; u) {</div><div class="line"><a name="l00586"></a><span class="lineno">  586</span>&#160;         t == u; requires Boolean&lt;decltype(t == u)&gt;;</div><div class="line"><a name="l00587"></a><span class="lineno">  587</span>&#160;         t != u; requires Boolean&lt;decltype(t != u)&gt;;</div><div class="line"><a name="l00588"></a><span class="lineno">  588</span>&#160;         u == t; requires Boolean&lt;decltype(u == t)&gt;;</div><div class="line"><a name="l00589"></a><span class="lineno">  589</span>&#160;         u != t; requires Boolean&lt;decltype(u != t)&gt;;</div><div class="line"><a name="l00590"></a><span class="lineno">  590</span>&#160;      };</div><div class="line"><a name="l00591"></a><span class="lineno">  591</span>&#160;<span class="preprocessor">   #else</span></div><div class="line"><a name="l00592"></a><span class="lineno">  592</span>&#160;      Same&lt;meta::true_, details::is_weakly_equality_comparable_with_t&lt;T, U&gt;&gt;;</div><div class="line"><a name="l00593"></a><span class="lineno">  593</span>&#160;<span class="preprocessor">   #endif</span></div><div class="line"><a name="l00594"></a><span class="lineno">  594</span>&#160;</div><div class="line"><a name="l00595"></a><span class="lineno">  595</span>&#160;   <span class="keyword">template</span> &lt;<span class="keyword">class</span> T&gt;</div><div class="line"><a name="l00596"></a><span class="lineno"><a class="line" href="namespaceutl.html#a92a38a3d1638ccad068c24d1242ef63a">  596</a></span>&#160;   <a class="code" href="group__concepts.html#gaf81026787698cd63592563ab8223062b">_utlConcept</a> <a class="code" href="namespaceutl.html#a92a38a3d1638ccad068c24d1242ef63a">EqualityComparable</a> = WeaklyEqualityComparableWith&lt;T, T&gt;;</div><div class="line"><a name="l00597"></a><span class="lineno">  597</span>&#160;</div><div class="line"><a name="l00598"></a><span class="lineno">  598</span>&#160;   <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> U&gt;</div><div class="line"><a name="l00599"></a><span class="lineno"><a class="line" href="namespaceutl.html#aa2be0b64c41b392c5264de5f5fee094e">  599</a></span>&#160;   <a class="code" href="group__concepts.html#gaf81026787698cd63592563ab8223062b">_utlConcept</a> <a class="code" href="namespaceutl.html#aa2be0b64c41b392c5264de5f5fee094e">EqualityComparableWith</a> =</div><div class="line"><a name="l00600"></a><span class="lineno">  600</span>&#160;      EqualityComparable&lt;T&gt; &amp;&amp;</div><div class="line"><a name="l00601"></a><span class="lineno">  601</span>&#160;      EqualityComparable&lt;U&gt; &amp;&amp;</div><div class="line"><a name="l00602"></a><span class="lineno">  602</span>&#160;<span class="comment">//      CommonReference&lt;</span></div><div class="line"><a name="l00603"></a><span class="lineno">  603</span>&#160;<span class="comment">//         const std::remove_reference_t&lt;T&gt;&amp;,</span></div><div class="line"><a name="l00604"></a><span class="lineno">  604</span>&#160;<span class="comment">//         const std::remove_reference_t&lt;U&gt;&amp;&gt; &amp;&amp;</span></div><div class="line"><a name="l00605"></a><span class="lineno">  605</span>&#160;<span class="comment">//      EqualityComparable&lt;</span></div><div class="line"><a name="l00606"></a><span class="lineno">  606</span>&#160;<span class="comment">//         common_reference_t&lt;</span></div><div class="line"><a name="l00607"></a><span class="lineno">  607</span>&#160;<span class="comment">//            const std::remove_reference_t&lt;T&gt;&amp;,</span></div><div class="line"><a name="l00608"></a><span class="lineno">  608</span>&#160;<span class="comment">//            const std::remove_reference_t&lt;U&gt;&amp;&gt;&gt; &amp;&amp;</span></div><div class="line"><a name="l00609"></a><span class="lineno">  609</span>&#160;      WeaklyEqualityComparableWith&lt;T, U&gt;;</div><div class="line"><a name="l00610"></a><span class="lineno">  610</span>&#160;</div><div class="line"><a name="l00611"></a><span class="lineno">  611</span>&#160;</div><div class="line"><a name="l00612"></a><span class="lineno">  612</span>&#160;</div><div class="line"><a name="l00613"></a><span class="lineno">  613</span>&#160;<span class="preprocessor">   #if CXX_CONCEPTS</span></div><div class="line"><a name="l00614"></a><span class="lineno">  614</span>&#160;   <span class="keyword">template</span> &lt;<span class="keyword">class</span> T&gt;</div><div class="line"><a name="l00615"></a><span class="lineno">  615</span>&#160;   <a class="code" href="group__concepts.html#gaf81026787698cd63592563ab8223062b">_utlConcept</a> <a class="code" href="namespaceutl.html#a720d6ece86f3f3320816aaae02eb16e4">StrictTotallyOrdered</a> =</div><div class="line"><a name="l00616"></a><span class="lineno">  616</span>&#160;      EqualityComparable&lt;T&gt; &amp;&amp;</div><div class="line"><a name="l00617"></a><span class="lineno">  617</span>&#160;      requires(<span class="keyword">const</span> std::remove_reference_t&lt;T&gt;&amp; a,</div><div class="line"><a name="l00618"></a><span class="lineno">  618</span>&#160;               <span class="keyword">const</span> std::remove_reference_t&lt;T&gt;&amp; b) {</div><div class="line"><a name="l00619"></a><span class="lineno">  619</span>&#160;         a &lt; b;  requires Boolean&lt;decltype(a &lt; b)&gt;;</div><div class="line"><a name="l00620"></a><span class="lineno">  620</span>&#160;         a &gt; b;  requires Boolean&lt;decltype(a &gt; b)&gt;;</div><div class="line"><a name="l00621"></a><span class="lineno">  621</span>&#160;         a &lt;= b; requires Boolean&lt;decltype(a &lt;= b)&gt;;</div><div class="line"><a name="l00622"></a><span class="lineno">  622</span>&#160;         a &gt;= b; requires Boolean&lt;decltype(a &gt;= b)&gt;;</div><div class="line"><a name="l00623"></a><span class="lineno">  623</span>&#160;     };</div><div class="line"><a name="l00624"></a><span class="lineno">  624</span>&#160;<span class="preprocessor">   #else</span></div><div class="line"><a name="l00625"></a><span class="lineno">  625</span>&#160;   <span class="keyword">namespace </span>details {</div><div class="line"><a name="l00626"></a><span class="lineno">  626</span>&#160;      <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T, <span class="keyword">typename</span> = <span class="keywordtype">void</span>&gt;</div><div class="line"><a name="l00627"></a><span class="lineno"><a class="line" href="structutl_1_1details_1_1is__strict__totally__ordered__.html">  627</a></span>&#160;      <span class="keyword">struct </span><a class="code" href="structutl_1_1details_1_1is__strict__totally__ordered__.html">is_strict_totally_ordered_</a> {</div><div class="line"><a name="l00628"></a><span class="lineno"><a class="line" href="structutl_1_1details_1_1is__strict__totally__ordered__.html#acb182f06d015a63fbe00a9700422046f">  628</a></span>&#160;         <span class="keyword">using</span> <a class="code" href="structutl_1_1details_1_1is__strict__totally__ordered__.html#acb182f06d015a63fbe00a9700422046f">type</a> = <a class="code" href="namespaceutl_1_1meta.html#a55511dbaa0adb605ce22dcec11f8d22d">meta::false_</a>;</div><div class="line"><a name="l00629"></a><span class="lineno">  629</span>&#160;      };</div><div class="line"><a name="l00630"></a><span class="lineno">  630</span>&#160;</div><div class="line"><a name="l00631"></a><span class="lineno">  631</span>&#160;      <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;</div><div class="line"><a name="l00632"></a><span class="lineno"><a class="line" href="structutl_1_1details_1_1is__strict__totally__ordered___3_01_t_00_01meta_1_1void__t_3_01meta_1_1uab48bcfc89164f446368b35bcc7c8bcd.html">  632</a></span>&#160;      <span class="keyword">struct </span><a class="code" href="structutl_1_1details_1_1is__strict__totally__ordered__.html">is_strict_totally_ordered_</a> &lt;T, meta::<a class="code" href="group__detection.html#gae7373c997420d16cf37e542eb3cfa3ad">void_t</a> &lt;</div><div class="line"><a name="l00633"></a><span class="lineno">  633</span>&#160;         meta::use_if_same_t&lt;bool, decltype(std::declval&lt;cref_&lt;T&gt;&gt;() &lt; std::declval&lt;cref_&lt;T&gt;&gt;())&gt;,</div><div class="line"><a name="l00634"></a><span class="lineno">  634</span>&#160;         meta::use_if_same_t&lt;bool, decltype(std::declval&lt;cref_&lt;T&gt;&gt;() &gt; std::declval&lt;cref_&lt;T&gt;&gt;())&gt;,</div><div class="line"><a name="l00635"></a><span class="lineno">  635</span>&#160;         meta::use_if_same_t&lt;bool, decltype(std::declval&lt;cref_&lt;T&gt;&gt;() &lt;= std::declval&lt;cref_&lt;T&gt;&gt;())&gt;,</div><div class="line"><a name="l00636"></a><span class="lineno">  636</span>&#160;         meta::use_if_same_t&lt;bool, decltype(std::declval&lt;cref_&lt;T&gt;&gt;() &gt;= std::declval&lt;cref_&lt;T&gt;&gt;())&gt;</div><div class="line"><a name="l00637"></a><span class="lineno">  637</span>&#160;      &gt;&gt; {</div><div class="line"><a name="l00638"></a><span class="lineno"><a class="line" href="structutl_1_1details_1_1is__strict__totally__ordered___3_01_t_00_01meta_1_1void__t_3_01meta_1_1uab48bcfc89164f446368b35bcc7c8bcd.html#a221f1b2e947002d4888711116e5ebfb5">  638</a></span>&#160;         <span class="keyword">using</span> <a class="code" href="structutl_1_1details_1_1is__strict__totally__ordered___3_01_t_00_01meta_1_1void__t_3_01meta_1_1uab48bcfc89164f446368b35bcc7c8bcd.html#a221f1b2e947002d4888711116e5ebfb5">type</a> = <a class="code" href="namespaceutl_1_1meta.html#ae9a5a8fbe8202785f059935af219fb97">meta::true_</a>;</div><div class="line"><a name="l00639"></a><span class="lineno">  639</span>&#160;      };</div><div class="line"><a name="l00640"></a><span class="lineno">  640</span>&#160;</div><div class="line"><a name="l00641"></a><span class="lineno">  641</span>&#160;      <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;</div><div class="line"><a name="l00642"></a><span class="lineno">  642</span>&#160;      <span class="keyword">using</span> <a class="code" href="namespaceutl_1_1details.html#a3d90ca0461264f84f75c7698f7bbb811">is_strict_totally_ordered_t</a> = <a class="code" href="namespaceutl_1_1meta.html#aa5a37adba244ff4286f994111c4c02ea">meta::eval</a> &lt;</div><div class="line"><a name="l00643"></a><span class="lineno">  643</span>&#160;         <a class="code" href="structutl_1_1details_1_1is__strict__totally__ordered__.html">is_strict_totally_ordered_&lt;T&gt;</a></div><div class="line"><a name="l00644"></a><span class="lineno"><a class="line" href="namespaceutl_1_1details.html#a3d90ca0461264f84f75c7698f7bbb811">  644</a></span>&#160;      &gt;;</div><div class="line"><a name="l00645"></a><span class="lineno">  645</span>&#160;   }</div><div class="line"><a name="l00646"></a><span class="lineno">  646</span>&#160;   <span class="keyword">template</span> &lt;<span class="keyword">class</span> T&gt;</div><div class="line"><a name="l00647"></a><span class="lineno"><a class="line" href="namespaceutl.html#a720d6ece86f3f3320816aaae02eb16e4">  647</a></span>&#160;   <a class="code" href="group__concepts.html#gaf81026787698cd63592563ab8223062b">_utlConcept</a> <a class="code" href="namespaceutl.html#a720d6ece86f3f3320816aaae02eb16e4">StrictTotallyOrdered</a> =</div><div class="line"><a name="l00648"></a><span class="lineno">  648</span>&#160;      EqualityComparable&lt;T&gt; &amp;&amp;</div><div class="line"><a name="l00649"></a><span class="lineno">  649</span>&#160;      Same &lt;meta::true_, details::is_strict_totally_ordered_t&lt;T&gt;&gt;;</div><div class="line"><a name="l00650"></a><span class="lineno">  650</span>&#160;<span class="preprocessor">   #endif</span></div><div class="line"><a name="l00651"></a><span class="lineno">  651</span>&#160;</div><div class="line"><a name="l00652"></a><span class="lineno">  652</span>&#160;<span class="preprocessor">   #if CXX_CONCEPTS</span></div><div class="line"><a name="l00653"></a><span class="lineno">  653</span>&#160;   <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> U&gt;</div><div class="line"><a name="l00654"></a><span class="lineno">  654</span>&#160;   <a class="code" href="group__concepts.html#gaf81026787698cd63592563ab8223062b">_utlConcept</a> <a class="code" href="namespaceutl.html#a5599d14d1bd008e4c14787d610a2b429">StrictTotallyOrderedWith</a> =</div><div class="line"><a name="l00655"></a><span class="lineno">  655</span>&#160;      StrictTotallyOrdered&lt;T&gt; &amp;&amp;</div><div class="line"><a name="l00656"></a><span class="lineno">  656</span>&#160;      StrictTotallyOrdered&lt;U&gt; &amp;&amp;</div><div class="line"><a name="l00657"></a><span class="lineno">  657</span>&#160;<span class="comment">//      CommonReference&lt;</span></div><div class="line"><a name="l00658"></a><span class="lineno">  658</span>&#160;<span class="comment">//         const std::remove_reference_t&lt;T&gt;&amp;,</span></div><div class="line"><a name="l00659"></a><span class="lineno">  659</span>&#160;<span class="comment">//         const std::remove_reference_t&lt;U&gt;&amp;</span></div><div class="line"><a name="l00660"></a><span class="lineno">  660</span>&#160;<span class="comment">//      &gt; &amp;&amp;</span></div><div class="line"><a name="l00661"></a><span class="lineno">  661</span>&#160;<span class="comment">//      StrictTotallyOrdered&lt;</span></div><div class="line"><a name="l00662"></a><span class="lineno">  662</span>&#160;<span class="comment">//         common_reference_t&lt;</span></div><div class="line"><a name="l00663"></a><span class="lineno">  663</span>&#160;<span class="comment">//            const std::remove_reference_t&lt;T&gt;&amp;,</span></div><div class="line"><a name="l00664"></a><span class="lineno">  664</span>&#160;<span class="comment">//            const std::remove_reference_t&lt;U&gt;&amp;</span></div><div class="line"><a name="l00665"></a><span class="lineno">  665</span>&#160;<span class="comment">//         &gt;</span></div><div class="line"><a name="l00666"></a><span class="lineno">  666</span>&#160;<span class="comment">//      &gt; &amp;&amp;</span></div><div class="line"><a name="l00667"></a><span class="lineno">  667</span>&#160;      EqualityComparableWith&lt;T, U&gt; &amp;&amp;</div><div class="line"><a name="l00668"></a><span class="lineno">  668</span>&#160;      requires(<span class="keyword">const</span> std::remove_reference_t&lt;T&gt;&amp; t,</div><div class="line"><a name="l00669"></a><span class="lineno">  669</span>&#160;               <span class="keyword">const</span> std::remove_reference_t&lt;U&gt;&amp; u) {</div><div class="line"><a name="l00670"></a><span class="lineno">  670</span>&#160;         t &lt; u;  requires Boolean&lt;decltype(t &lt; u)&gt;;</div><div class="line"><a name="l00671"></a><span class="lineno">  671</span>&#160;         t &gt; u;  requires Boolean&lt;decltype(t &gt; u)&gt;;</div><div class="line"><a name="l00672"></a><span class="lineno">  672</span>&#160;         t &lt;= u; requires Boolean&lt;decltype(t &lt;= u)&gt;;</div><div class="line"><a name="l00673"></a><span class="lineno">  673</span>&#160;         t &gt;= u; requires Boolean&lt;decltype(t &gt;= u)&gt;;</div><div class="line"><a name="l00674"></a><span class="lineno">  674</span>&#160;         u &lt; t;  requires Boolean&lt;decltype(u &lt; t)&gt;;</div><div class="line"><a name="l00675"></a><span class="lineno">  675</span>&#160;         u &gt; t;  requires Boolean&lt;decltype(u &gt; t)&gt;;</div><div class="line"><a name="l00676"></a><span class="lineno">  676</span>&#160;         u &lt;= t; requires Boolean&lt;decltype(u &lt;= t)&gt;;</div><div class="line"><a name="l00677"></a><span class="lineno">  677</span>&#160;         u &gt;= t; requires Boolean&lt;decltype(u &gt;= t)&gt;;</div><div class="line"><a name="l00678"></a><span class="lineno">  678</span>&#160;      };</div><div class="line"><a name="l00679"></a><span class="lineno">  679</span>&#160;<span class="preprocessor">   #else</span></div><div class="line"><a name="l00680"></a><span class="lineno">  680</span>&#160;   <span class="keyword">namespace </span>details {</div><div class="line"><a name="l00681"></a><span class="lineno">  681</span>&#160;      <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T, <span class="keyword">typename</span> U, <span class="keyword">typename</span> = <span class="keywordtype">void</span>&gt;</div><div class="line"><a name="l00682"></a><span class="lineno"><a class="line" href="structutl_1_1details_1_1is__strict__totally__ordered__with__.html">  682</a></span>&#160;      <span class="keyword">struct </span><a class="code" href="structutl_1_1details_1_1is__strict__totally__ordered__with__.html">is_strict_totally_ordered_with_</a> {</div><div class="line"><a name="l00683"></a><span class="lineno"><a class="line" href="structutl_1_1details_1_1is__strict__totally__ordered__with__.html#a4687be9ddf2910a323d69193c0291723">  683</a></span>&#160;         <span class="keyword">using</span> <a class="code" href="structutl_1_1details_1_1is__strict__totally__ordered__with__.html#a4687be9ddf2910a323d69193c0291723">type</a> = <a class="code" href="namespaceutl_1_1meta.html#a55511dbaa0adb605ce22dcec11f8d22d">meta::false_</a>;</div><div class="line"><a name="l00684"></a><span class="lineno">  684</span>&#160;      };</div><div class="line"><a name="l00685"></a><span class="lineno">  685</span>&#160;</div><div class="line"><a name="l00686"></a><span class="lineno">  686</span>&#160;      <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T, <span class="keyword">typename</span> U&gt;</div><div class="line"><a name="l00687"></a><span class="lineno"><a class="line" href="structutl_1_1details_1_1is__strict__totally__ordered__with___3_01_t_00_01_u_00_01meta_1_1void__t8fb7dd5a6ad25952241e37c6f163f434.html">  687</a></span>&#160;      <span class="keyword">struct </span><a class="code" href="structutl_1_1details_1_1is__strict__totally__ordered__with__.html">is_strict_totally_ordered_with_</a> &lt;T, U, meta::<a class="code" href="group__detection.html#gae7373c997420d16cf37e542eb3cfa3ad">void_t</a> &lt;</div><div class="line"><a name="l00688"></a><span class="lineno">  688</span>&#160;         meta::use_if_same_t&lt;bool, decltype(std::declval&lt;cref_&lt;T&gt;&gt;() &lt; std::declval&lt;cref_&lt;U&gt;&gt;())&gt;,</div><div class="line"><a name="l00689"></a><span class="lineno">  689</span>&#160;         meta::use_if_same_t&lt;bool, decltype(std::declval&lt;cref_&lt;T&gt;&gt;() &gt; std::declval&lt;cref_&lt;U&gt;&gt;())&gt;,</div><div class="line"><a name="l00690"></a><span class="lineno">  690</span>&#160;         meta::use_if_same_t&lt;bool, decltype(std::declval&lt;cref_&lt;T&gt;&gt;() &lt;= std::declval&lt;cref_&lt;U&gt;&gt;())&gt;,</div><div class="line"><a name="l00691"></a><span class="lineno">  691</span>&#160;         meta::use_if_same_t&lt;bool, decltype(std::declval&lt;cref_&lt;T&gt;&gt;() &gt;= std::declval&lt;cref_&lt;U&gt;&gt;())&gt;,</div><div class="line"><a name="l00692"></a><span class="lineno">  692</span>&#160;         meta::use_if_same_t&lt;bool, decltype(std::declval&lt;cref_&lt;U&gt;&gt;() &lt; std::declval&lt;cref_&lt;T&gt;&gt;())&gt;,</div><div class="line"><a name="l00693"></a><span class="lineno">  693</span>&#160;         meta::use_if_same_t&lt;bool, decltype(std::declval&lt;cref_&lt;U&gt;&gt;() &gt; std::declval&lt;cref_&lt;T&gt;&gt;())&gt;,</div><div class="line"><a name="l00694"></a><span class="lineno">  694</span>&#160;         meta::use_if_same_t&lt;bool, decltype(std::declval&lt;cref_&lt;U&gt;&gt;() &lt;= std::declval&lt;cref_&lt;T&gt;&gt;())&gt;,</div><div class="line"><a name="l00695"></a><span class="lineno">  695</span>&#160;         meta::use_if_same_t&lt;bool, decltype(std::declval&lt;cref_&lt;U&gt;&gt;() &gt;= std::declval&lt;cref_&lt;T&gt;&gt;())&gt;</div><div class="line"><a name="l00696"></a><span class="lineno">  696</span>&#160;      &gt;&gt; {</div><div class="line"><a name="l00697"></a><span class="lineno"><a class="line" href="structutl_1_1details_1_1is__strict__totally__ordered__with___3_01_t_00_01_u_00_01meta_1_1void__t8fb7dd5a6ad25952241e37c6f163f434.html#a447a36dc0b2239ee20876c6255033345">  697</a></span>&#160;         <span class="keyword">using</span> <a class="code" href="structutl_1_1details_1_1is__strict__totally__ordered__with___3_01_t_00_01_u_00_01meta_1_1void__t8fb7dd5a6ad25952241e37c6f163f434.html#a447a36dc0b2239ee20876c6255033345">type</a> = <a class="code" href="namespaceutl_1_1meta.html#ae9a5a8fbe8202785f059935af219fb97">meta::true_</a>;</div><div class="line"><a name="l00698"></a><span class="lineno">  698</span>&#160;      };</div><div class="line"><a name="l00699"></a><span class="lineno">  699</span>&#160;</div><div class="line"><a name="l00700"></a><span class="lineno">  700</span>&#160;      <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T, <span class="keyword">typename</span> U&gt;</div><div class="line"><a name="l00701"></a><span class="lineno">  701</span>&#160;      <span class="keyword">using</span> <a class="code" href="namespaceutl_1_1details.html#acd9fac18316e44b7abd920686de886f0">is_strict_totally_ordered_with_t</a> = <a class="code" href="namespaceutl_1_1meta.html#aa5a37adba244ff4286f994111c4c02ea">meta::eval</a> &lt;</div><div class="line"><a name="l00702"></a><span class="lineno">  702</span>&#160;         <a class="code" href="structutl_1_1details_1_1is__strict__totally__ordered__with__.html">is_strict_totally_ordered_with_&lt;T, U&gt;</a></div><div class="line"><a name="l00703"></a><span class="lineno"><a class="line" href="namespaceutl_1_1details.html#acd9fac18316e44b7abd920686de886f0">  703</a></span>&#160;      &gt;;</div><div class="line"><a name="l00704"></a><span class="lineno">  704</span>&#160;   }</div><div class="line"><a name="l00705"></a><span class="lineno">  705</span>&#160;   <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> U&gt;</div><div class="line"><a name="l00706"></a><span class="lineno"><a class="line" href="namespaceutl.html#a5599d14d1bd008e4c14787d610a2b429">  706</a></span>&#160;   <a class="code" href="group__concepts.html#gaf81026787698cd63592563ab8223062b">_utlConcept</a> <a class="code" href="namespaceutl.html#a5599d14d1bd008e4c14787d610a2b429">StrictTotallyOrderedWith</a> =</div><div class="line"><a name="l00707"></a><span class="lineno">  707</span>&#160;      StrictTotallyOrdered&lt;T&gt; &amp;&amp;</div><div class="line"><a name="l00708"></a><span class="lineno">  708</span>&#160;      StrictTotallyOrdered&lt;U&gt; &amp;&amp;</div><div class="line"><a name="l00709"></a><span class="lineno">  709</span>&#160;      EqualityComparableWith&lt;T, U&gt; &amp;&amp;</div><div class="line"><a name="l00710"></a><span class="lineno">  710</span>&#160;      Same &lt;meta::true_, details::is_strict_totally_ordered_with_t&lt;T, U&gt;&gt;;</div><div class="line"><a name="l00711"></a><span class="lineno">  711</span>&#160;<span class="preprocessor">   #endif</span></div><div class="line"><a name="l00712"></a><span class="lineno">  712</span>&#160;</div><div class="line"><a name="l00716"></a><span class="lineno">  716</span>&#160;   <span class="keyword">template</span> &lt;<span class="keyword">class</span> T&gt;</div><div class="line"><a name="l00717"></a><span class="lineno"><a class="line" href="namespaceutl.html#af6b010e85897cb590e66a52157be1af5">  717</a></span>&#160;   <a class="code" href="group__concepts.html#gaf81026787698cd63592563ab8223062b">_utlConcept</a> <a class="code" href="namespaceutl.html#af6b010e85897cb590e66a52157be1af5">Semiregular</a> = Copyable&lt;T&gt; &amp;&amp; DefaultConstructible&lt;T&gt;;</div><div class="line"><a name="l00718"></a><span class="lineno">  718</span>&#160;</div><div class="line"><a name="l00722"></a><span class="lineno">  722</span>&#160;   <span class="keyword">template</span> &lt;<span class="keyword">class</span> T&gt;</div><div class="line"><a name="l00723"></a><span class="lineno"><a class="line" href="namespaceutl.html#a3accaa436a17248b4214baebc582b2f6">  723</a></span>&#160;   <a class="code" href="group__concepts.html#gaf81026787698cd63592563ab8223062b">_utlConcept</a> <a class="code" href="namespaceutl.html#a3accaa436a17248b4214baebc582b2f6">Regular</a> = Semiregular&lt;T&gt; &amp;&amp; EqualityComparable&lt;T&gt;;</div><div class="line"><a name="l00724"></a><span class="lineno">  724</span>&#160;</div><div class="line"><a name="l00728"></a><span class="lineno">  728</span>&#160;   <span class="keyword">template</span>&lt;<span class="keyword">class</span> T&gt;</div><div class="line"><a name="l00729"></a><span class="lineno"><a class="line" href="namespaceutl.html#a7f86c4bf42b13d9525481d731b194308">  729</a></span>&#160;   <a class="code" href="group__concepts.html#gaf81026787698cd63592563ab8223062b">_utlConcept</a> <a class="code" href="namespaceutl.html#a7f86c4bf42b13d9525481d731b194308">Scalar</a> =</div><div class="line"><a name="l00730"></a><span class="lineno">  730</span>&#160;      std::is_scalar&lt;T&gt;::value &amp;&amp; Regular&lt;T&gt;;</div><div class="line"><a name="l00731"></a><span class="lineno">  731</span>&#160;</div><div class="line"><a name="l00735"></a><span class="lineno">  735</span>&#160;   <span class="keyword">template</span>&lt;<span class="keyword">class</span> T&gt;</div><div class="line"><a name="l00736"></a><span class="lineno"><a class="line" href="namespaceutl.html#a41733496c30138efd3d88f13d9382aad">  736</a></span>&#160;   <a class="code" href="group__concepts.html#gaf81026787698cd63592563ab8223062b">_utlConcept</a> <a class="code" href="namespaceutl.html#a41733496c30138efd3d88f13d9382aad">Arithmetic</a> =</div><div class="line"><a name="l00737"></a><span class="lineno">  737</span>&#160;      std::is_arithmetic&lt;T&gt;::value &amp;&amp; Scalar&lt;T&gt; &amp;&amp; StrictTotallyOrdered&lt;T&gt;;</div><div class="line"><a name="l00738"></a><span class="lineno">  738</span>&#160;</div><div class="line"><a name="l00742"></a><span class="lineno">  742</span>&#160;   <span class="keyword">template</span>&lt;<span class="keyword">class</span> T&gt;</div><div class="line"><a name="l00743"></a><span class="lineno"><a class="line" href="namespaceutl.html#a07e83d4763a298c1faf2b1069b55e286">  743</a></span>&#160;   <a class="code" href="group__concepts.html#gaf81026787698cd63592563ab8223062b">_utlConcept</a> <a class="code" href="namespaceutl.html#a07e83d4763a298c1faf2b1069b55e286">FloatingPoint</a> =</div><div class="line"><a name="l00744"></a><span class="lineno">  744</span>&#160;      std::is_floating_point&lt;T&gt;::value &amp;&amp; Arithmetic&lt;T&gt;;</div><div class="line"><a name="l00745"></a><span class="lineno">  745</span>&#160;</div><div class="line"><a name="l00749"></a><span class="lineno">  749</span>&#160;   <span class="keyword">template</span> &lt;<span class="keyword">class </span>F, <span class="keyword">class</span>... Args&gt;</div><div class="line"><a name="l00750"></a><span class="lineno"><a class="line" href="namespaceutl.html#a9d5bbdf19b08d6d714ec696b0ec44d0a">  750</a></span>&#160;   <a class="code" href="group__concepts.html#gaf81026787698cd63592563ab8223062b">_utlConcept</a> <a class="code" href="namespaceutl.html#a9d5bbdf19b08d6d714ec696b0ec44d0a">Invocable</a> = <a class="code" href="structutl_1_1is__invocable.html">is_invocable</a>&lt;F, Args...&gt;::value;</div><div class="line"><a name="l00751"></a><span class="lineno">  751</span>&#160;<span class="comment">//      requires(F&amp;&amp; f, Args&amp;&amp;... args) {</span></div><div class="line"><a name="l00752"></a><span class="lineno">  752</span>&#160;<span class="comment">//         invoke(std::forward&lt;F&gt;(f), std::forward&lt;Args&gt;(args)...);</span></div><div class="line"><a name="l00753"></a><span class="lineno">  753</span>&#160;<span class="comment">//      };</span></div><div class="line"><a name="l00754"></a><span class="lineno">  754</span>&#160;</div><div class="line"><a name="l00755"></a><span class="lineno">  755</span>&#160;   <span class="keyword">template</span>&lt; <span class="keyword">class </span>F, <span class="keyword">class</span>... Args &gt;</div><div class="line"><a name="l00756"></a><span class="lineno"><a class="line" href="namespaceutl.html#ace9ef6da96e8cf5dc72762cd66240186">  756</a></span>&#160;   <a class="code" href="group__concepts.html#gaf81026787698cd63592563ab8223062b">_utlConcept</a> <a class="code" href="namespaceutl.html#ace9ef6da96e8cf5dc72762cd66240186">RegularInvocable</a> = <a class="code" href="namespaceutl.html#a9d5bbdf19b08d6d714ec696b0ec44d0a">Invocable</a>&lt;F, Args...&gt;;</div><div class="line"><a name="l00757"></a><span class="lineno">  757</span>&#160;</div><div class="line"><a name="l00758"></a><span class="lineno">  758</span>&#160;   <span class="keyword">template</span> &lt; <span class="keyword">class </span>F, <span class="keyword">class</span>... Args &gt;</div><div class="line"><a name="l00759"></a><span class="lineno"><a class="line" href="namespaceutl.html#aae56a019cdd2006c4f07d2e207289195">  759</a></span>&#160;   <a class="code" href="group__concepts.html#gaf81026787698cd63592563ab8223062b">_utlConcept</a> <a class="code" href="namespaceutl.html#aae56a019cdd2006c4f07d2e207289195">Predicate</a> =</div><div class="line"><a name="l00760"></a><span class="lineno">  760</span>&#160;      <a class="code" href="namespaceutl.html#ace9ef6da96e8cf5dc72762cd66240186">RegularInvocable</a>&lt;F, Args...&gt; &amp;&amp;</div><div class="line"><a name="l00761"></a><span class="lineno">  761</span>&#160;      <a class="code" href="namespaceutl.html#a38e00606b4b45a2ac59fa4576b4498c6">Boolean</a>&lt;<a class="code" href="namespaceutl.html#ae40494acc30f2894c74544f3e9142933">invoke_result_t</a>&lt;F, Args...&gt;&gt;;</div><div class="line"><a name="l00762"></a><span class="lineno">  762</span>&#160;</div><div class="line"><a name="l00763"></a><span class="lineno">  763</span>&#160;   <span class="keyword">template</span> &lt;<span class="keyword">class</span> R, <span class="keyword">class</span> T, <span class="keyword">class</span> U&gt;</div><div class="line"><a name="l00764"></a><span class="lineno"><a class="line" href="namespaceutl.html#a6d1e9b4853dd005ddaf61a79333cab98">  764</a></span>&#160;   <a class="code" href="group__concepts.html#gaf81026787698cd63592563ab8223062b">_utlConcept</a> <a class="code" href="namespaceutl.html#a6d1e9b4853dd005ddaf61a79333cab98">Relation</a> =</div><div class="line"><a name="l00765"></a><span class="lineno">  765</span>&#160;     Predicate&lt;R, T, T&gt; &amp;&amp; Predicate&lt;R, U, U&gt; &amp;&amp;</div><div class="line"><a name="l00766"></a><span class="lineno">  766</span>&#160;     Predicate&lt;R, T, U&gt; &amp;&amp; Predicate&lt;R, U, T&gt;;</div><div class="line"><a name="l00767"></a><span class="lineno">  767</span>&#160;</div><div class="line"><a name="l00768"></a><span class="lineno">  768</span>&#160;   <span class="keyword">template</span> &lt; <span class="keyword">class</span> R, <span class="keyword">class</span> T, <span class="keyword">class</span> U &gt;</div><div class="line"><a name="l00769"></a><span class="lineno"><a class="line" href="namespaceutl.html#aa4b7b9105cfab3cd72865b5e0db23b11">  769</a></span>&#160;   <a class="code" href="group__concepts.html#gaf81026787698cd63592563ab8223062b">_utlConcept</a> <a class="code" href="namespaceutl.html#aa4b7b9105cfab3cd72865b5e0db23b11">StrictWeakOrder</a> = Relation&lt;R, T, U&gt;;</div><div class="line"><a name="l00770"></a><span class="lineno">  770</span>&#160;}</div><div class="line"><a name="l00772"></a><span class="lineno">  772</span>&#160;</div><div class="line"><a name="l00773"></a><span class="lineno">  773</span>&#160;</div><div class="line"><a name="l00774"></a><span class="lineno">  774</span>&#160;</div><div class="line"><a name="l00775"></a><span class="lineno">  775</span>&#160;</div><div class="line"><a name="l00776"></a><span class="lineno">  776</span>&#160;<span class="preprocessor">#endif </span><span class="comment">/* __utl_concepts_stl_h__ */</span><span class="preprocessor"></span></div><div class="ttc" id="namespaceutl_html_af6b010e85897cb590e66a52157be1af5"><div class="ttname"><a href="namespaceutl.html#af6b010e85897cb590e66a52157be1af5">utl::Semiregular</a></div><div class="ttdeci">_utlConcept Semiregular</div><div class="ttdef"><b>Definition:</b> <a href="stl_8h_source.html#l00717">stl.h:717</a></div></div>

  94. <div class="ttc" id="structutl_1_1common__impl_1_1____copy__cv___3_01const_01volatile_01_from_01_4_html_a3b90863f9819b9537789a30ab6863aca"><div class="ttname"><a href="structutl_1_1common__impl_1_1____copy__cv___3_01const_01volatile_01_from_01_4.html#a3b90863f9819b9537789a30ab6863aca">utl::common_impl::__copy_cv_&lt; const volatile From &gt;::apply</a></div><div class="ttdeci">const volatile To apply</div><div class="ttdef"><b>Definition:</b> <a href="stl_8h_source.html#l00116">stl.h:116</a></div></div>

  95. <div class="ttc" id="namespaceutl_html_ae2b149b19fb3d69a4fc555e4474bf9de"><div class="ttname"><a href="namespaceutl.html#ae2b149b19fb3d69a4fc555e4474bf9de">utl::Swappable</a></div><div class="ttdeci">_utlConcept Swappable</div><div class="ttdef"><b>Definition:</b> <a href="stl_8h_source.html#l00425">stl.h:425</a></div></div>

  96. <div class="ttc" id="namespaceutl_html_a1d50e9abd420e77555624f3e52bc7479"><div class="ttname"><a href="namespaceutl.html#a1d50e9abd420e77555624f3e52bc7479">utl::is_swappable</a></div><div class="ttdeci">std::is_swappable is_swappable</div><div class="ttdef"><b>Definition:</b> <a href="stl_8h_source.html#l00407">stl.h:407</a></div></div>

  97. <div class="ttc" id="namespaceutl_html_a4a3bb850ba59d499382bd11153104af7"><div class="ttname"><a href="namespaceutl.html#a4a3bb850ba59d499382bd11153104af7">utl::SwappableWith</a></div><div class="ttdeci">_utlConcept SwappableWith</div><div class="ttdef"><b>Definition:</b> <a href="stl_8h_source.html#l00413">stl.h:413</a></div></div>

  98. <div class="ttc" id="structutl_1_1common__impl_1_1____copy__cv___html_aab9e00c637c2bbbdb6d1398aca8e3f96"><div class="ttname"><a href="structutl_1_1common__impl_1_1____copy__cv__.html#aab9e00c637c2bbbdb6d1398aca8e3f96">utl::common_impl::__copy_cv_::apply</a></div><div class="ttdeci">To apply</div><div class="ttdef"><b>Definition:</b> <a href="stl_8h_source.html#l00104">stl.h:104</a></div></div>

  99. <div class="ttc" id="meta_8h_html"><div class="ttname"><a href="meta_8h.html">meta.h</a></div><div class="ttdoc">Include all meta library. </div></div>

  100. <div class="ttc" id="namespaceutl_html_a216f6e14ca647d85841fa13c40dc4ee3"><div class="ttname"><a href="namespaceutl.html#a216f6e14ca647d85841fa13c40dc4ee3">utl::WeaklyEqualityComparableWith</a></div><div class="ttdeci">_utlConcept WeaklyEqualityComparableWith</div><div class="ttdef"><b>Definition:</b> <a href="stl_8h_source.html#l00582">stl.h:582</a></div></div>

  101. <div class="ttc" id="namespaceutl_html_a79e23f98aa58c2dcd111743a096ef092"><div class="ttname"><a href="namespaceutl.html#a79e23f98aa58c2dcd111743a096ef092">utl::Common</a></div><div class="ttdeci">_utlConcept Common</div><div class="ttdef"><b>Definition:</b> <a href="stl_8h_source.html#l00301">stl.h:301</a></div></div>

  102. <div class="ttc" id="group__concepts_html_gaf81026787698cd63592563ab8223062b"><div class="ttname"><a href="group__concepts.html#gaf81026787698cd63592563ab8223062b">_utlConcept</a></div><div class="ttdeci">#define _utlConcept</div><div class="ttdoc">utl concept keyword syntax wrapper </div><div class="ttdef"><b>Definition:</b> <a href="defines_8h_source.html#l00056">defines.h:56</a></div></div>

  103. <div class="ttc" id="namespaceutl_html_ac300f0e204f0ec4bd0ca38a551bb2b88"><div class="ttname"><a href="namespaceutl.html#ac300f0e204f0ec4bd0ca38a551bb2b88">utl::Copyable</a></div><div class="ttdeci">_utlConcept Copyable</div><div class="ttdef"><b>Definition:</b> <a href="stl_8h_source.html#l00480">stl.h:480</a></div></div>

  104. <div class="ttc" id="structutl_1_1details_1_1is__strict__totally__ordered___3_01_t_00_01meta_1_1void__t_3_01meta_1_1uab48bcfc89164f446368b35bcc7c8bcd_html_a221f1b2e947002d4888711116e5ebfb5"><div class="ttname"><a href="structutl_1_1details_1_1is__strict__totally__ordered___3_01_t_00_01meta_1_1void__t_3_01meta_1_1uab48bcfc89164f446368b35bcc7c8bcd.html#a221f1b2e947002d4888711116e5ebfb5">utl::details::is_strict_totally_ordered_&lt; T, meta::void_t&lt; meta::use_if_same_t&lt; bool, decltype(std::declval&lt; cref_&lt; T &gt;&gt;()&lt; std::declval&lt; cref_&lt; T &gt;&gt;())&gt;, meta::use_if_same_t&lt; bool, decltype(std::declval&lt; cref_&lt; T &gt;&gt;() &gt; std::declval&lt; cref_&lt; T &gt;&gt;())&gt;, meta::use_if_same_t&lt; bool, decltype(std::declval&lt; cref_&lt; T &gt;&gt;()&lt;=std::declval&lt; cref_&lt; T &gt;&gt;())&gt;, meta::use_if_same_t&lt; bool, decltype(std::declval&lt; cref_&lt; T &gt;&gt;() &gt;=std::declval&lt; cref_&lt; T &gt;&gt;())&gt; &gt; &gt;::type</a></div><div class="ttdeci">meta::true_ type</div><div class="ttdef"><b>Definition:</b> <a href="stl_8h_source.html#l00638">stl.h:638</a></div></div>

  105. <div class="ttc" id="group__detection_html_gae7373c997420d16cf37e542eb3cfa3ad"><div class="ttname"><a href="group__detection.html#gae7373c997420d16cf37e542eb3cfa3ad">utl::meta::void_t</a></div><div class="ttdeci">void void_t</div><div class="ttdoc">void_t type alias </div><div class="ttdef"><b>Definition:</b> <a href="detection_8h_source.html#l00055">detection.h:55</a></div></div>

  106. <div class="ttc" id="structutl_1_1details_1_1is__strict__totally__ordered___html_acb182f06d015a63fbe00a9700422046f"><div class="ttname"><a href="structutl_1_1details_1_1is__strict__totally__ordered__.html#acb182f06d015a63fbe00a9700422046f">utl::details::is_strict_totally_ordered_::type</a></div><div class="ttdeci">meta::false_ type</div><div class="ttdef"><b>Definition:</b> <a href="stl_8h_source.html#l00628">stl.h:628</a></div></div>

  107. <div class="ttc" id="structutl_1_1common__impl_1_1____xref_3_01const_01volatile_01_t_01_4_html_a298403b8085c58e3f18d61877f2186a5"><div class="ttname"><a href="structutl_1_1common__impl_1_1____xref_3_01const_01volatile_01_t_01_4.html#a298403b8085c58e3f18d61877f2186a5">utl::common_impl::__xref&lt; const volatile T &gt;::apply</a></div><div class="ttdeci">const volatile U apply</div><div class="ttdef"><b>Definition:</b> <a href="stl_8h_source.html#l00191">stl.h:191</a></div></div>

  108. <div class="ttc" id="namespaceutl_html_aa4b7b9105cfab3cd72865b5e0db23b11"><div class="ttname"><a href="namespaceutl.html#aa4b7b9105cfab3cd72865b5e0db23b11">utl::StrictWeakOrder</a></div><div class="ttdeci">_utlConcept StrictWeakOrder</div><div class="ttdef"><b>Definition:</b> <a href="stl_8h_source.html#l00769">stl.h:769</a></div></div>

  109. <div class="ttc" id="structutl_1_1common__impl_1_1____common__ref___3_01_t_01_6_6_00_01_u_01_6_00_01meta_1_1void__t_3972a8d6e6799b6ee6537c969cdced343_html_ade0c54407b6f17f667c01eec748c7e14"><div class="ttname"><a href="structutl_1_1common__impl_1_1____common__ref___3_01_t_01_6_6_00_01_u_01_6_00_01meta_1_1void__t_3972a8d6e6799b6ee6537c969cdced343.html#ade0c54407b6f17f667c01eec748c7e14">utl::common_impl::__common_ref_&lt; T &amp;&amp;, U &amp;, meta::void_t&lt; __common_ref&lt; const T &amp;, U &amp; &gt;, meta::when&lt; ConvertibleTo&lt; T &amp;&amp;, __common_ref&lt; const T &amp;, U &amp; &gt; &gt; &gt; &gt; &gt;::type</a></div><div class="ttdeci">__common_ref&lt; const T &amp;, U &amp; &gt; type</div><div class="ttdef"><b>Definition:</b> <a href="stl_8h_source.html#l00166">stl.h:166</a></div></div>

  110. <div class="ttc" id="namespaceutl_html_a07e83d4763a298c1faf2b1069b55e286"><div class="ttname"><a href="namespaceutl.html#a07e83d4763a298c1faf2b1069b55e286">utl::FloatingPoint</a></div><div class="ttdeci">_utlConcept FloatingPoint</div><div class="ttdef"><b>Definition:</b> <a href="stl_8h_source.html#l00743">stl.h:743</a></div></div>

  111. <div class="ttc" id="namespaceutl_1_1common__impl_html_ab43a461d352a35dc1b3de39bfe17e38b"><div class="ttname"><a href="namespaceutl_1_1common__impl.html#ab43a461d352a35dc1b3de39bfe17e38b">utl::common_impl::__cond_res</a></div><div class="ttdeci">decltype(false ? std::declval&lt; T(&amp;)()&gt;()() :std::declval&lt; U(&amp;)()&gt;()()) __cond_res</div><div class="ttdef"><b>Definition:</b> <a href="stl_8h_source.html#l00099">stl.h:99</a></div></div>

  112. <div class="ttc" id="structutl_1_1common__impl_1_1____common__ref___3_01_t_01_6_6_00_01_u_01_6_6_00_01meta_1_1void__tc4e71c227f251cadf0e0fb7b1ba6f1e9_html_a8f2b4a68e68f34543fa6e73774bec517"><div class="ttname"><a href="structutl_1_1common__impl_1_1____common__ref___3_01_t_01_6_6_00_01_u_01_6_6_00_01meta_1_1void__tc4e71c227f251cadf0e0fb7b1ba6f1e9.html#a8f2b4a68e68f34543fa6e73774bec517">utl::common_impl::__common_ref_&lt; T &amp;&amp;, U &amp;&amp;, meta::void_t&lt; __common_ref&lt; T &amp;, U &amp; &gt;, meta::when&lt; ConvertibleTo&lt; T &amp;&amp;, __rref_res&lt; T, U &gt; &gt; &gt;, meta::when&lt; ConvertibleTo&lt; U &amp;&amp;, __rref_res&lt; T, U &gt; &gt; &gt; &gt; &gt;::type</a></div><div class="ttdeci">__rref_res&lt; T, U &gt; type</div><div class="ttdef"><b>Definition:</b> <a href="stl_8h_source.html#l00158">stl.h:158</a></div></div>

  113. <div class="ttc" id="namespaceutl_1_1common__impl_html_a8913f9d610ed8720c817081662fa9f1f"><div class="ttname"><a href="namespaceutl_1_1common__impl.html#a8913f9d610ed8720c817081662fa9f1f">utl::common_impl::__common_ref</a></div><div class="ttdeci">meta::eval&lt; __common_ref_&lt; T, U &gt; &gt; __common_ref</div><div class="ttdef"><b>Definition:</b> <a href="stl_8h_source.html#l00133">stl.h:133</a></div></div>

  114. <div class="ttc" id="structutl_1_1details_1_1is__weakly__equality__comparable__with___html"><div class="ttname"><a href="structutl_1_1details_1_1is__weakly__equality__comparable__with__.html">utl::details::is_weakly_equality_comparable_with_</a></div><div class="ttdef"><b>Definition:</b> <a href="stl_8h_source.html#l00561">stl.h:561</a></div></div>

  115. <div class="ttc" id="structutl_1_1common__impl_1_1____common__ref___html"><div class="ttname"><a href="structutl_1_1common__impl_1_1____common__ref__.html">utl::common_impl::__common_ref_</a></div><div class="ttdef"><b>Definition:</b> <a href="stl_8h_source.html#l00127">stl.h:127</a></div></div>

  116. <div class="ttc" id="namespaceutl_1_1meta_html_ae9a5a8fbe8202785f059935af219fb97"><div class="ttname"><a href="namespaceutl_1_1meta.html#ae9a5a8fbe8202785f059935af219fb97">utl::meta::true_</a></div><div class="ttdeci">bool_&lt; true &gt; true_</div><div class="ttdoc">The type used as a compile-time boolean with true value. </div><div class="ttdef"><b>Definition:</b> <a href="integral_8h_source.html#l00068">integral.h:68</a></div></div>

  117. <div class="ttc" id="namespaceutl_html_a7d69beba08b81379703fd3b0ca42044d"><div class="ttname"><a href="namespaceutl.html#a7d69beba08b81379703fd3b0ca42044d">utl::cref_</a></div><div class="ttdeci">const std::remove_reference_t&lt; T &gt; &amp; cref_</div><div class="ttdef"><b>Definition:</b> <a href="stl_8h_source.html#l00045">stl.h:45</a></div></div>

  118. <div class="ttc" id="namespaceutl_html_a720d6ece86f3f3320816aaae02eb16e4"><div class="ttname"><a href="namespaceutl.html#a720d6ece86f3f3320816aaae02eb16e4">utl::StrictTotallyOrdered</a></div><div class="ttdeci">_utlConcept StrictTotallyOrdered</div><div class="ttdef"><b>Definition:</b> <a href="stl_8h_source.html#l00647">stl.h:647</a></div></div>

  119. <div class="ttc" id="structutl_1_1common__impl_1_1____common__reference_html"><div class="ttname"><a href="structutl_1_1common__impl_1_1____common__reference.html">utl::common_impl::__common_reference</a></div><div class="ttdef"><b>Definition:</b> <a href="stl_8h_source.html#l00259">stl.h:259</a></div></div>

  120. <div class="ttc" id="namespaceutl_html_acfbced82f83ceb87eeb77d31941c011a"><div class="ttname"><a href="namespaceutl.html#acfbced82f83ceb87eeb77d31941c011a">utl::Assignable</a></div><div class="ttdeci">_utlConcept Assignable</div><div class="ttdef"><b>Definition:</b> <a href="stl_8h_source.html#l00366">stl.h:366</a></div></div>

  121. <div class="ttc" id="namespaceutl_html_a7f86c4bf42b13d9525481d731b194308"><div class="ttname"><a href="namespaceutl.html#a7f86c4bf42b13d9525481d731b194308">utl::Scalar</a></div><div class="ttdeci">_utlConcept Scalar</div><div class="ttdef"><b>Definition:</b> <a href="stl_8h_source.html#l00729">stl.h:729</a></div></div>

  122. <div class="ttc" id="namespaceutl_html_a9c88a03a5b6dd66200e86f98fb1eb9eb"><div class="ttname"><a href="namespaceutl.html#a9c88a03a5b6dd66200e86f98fb1eb9eb">utl::ConvertibleTo</a></div><div class="ttdeci">_utlConcept ConvertibleTo</div><div class="ttdef"><b>Definition:</b> <a href="stl_8h_source.html#l00087">stl.h:87</a></div></div>

  123. <div class="ttc" id="structutl_1_1common__impl_1_1____common__reference3_3_01_t_00_01_u_00_01meta_1_1void__t_3_01____015b01ed12d2d90ee57fbf756ab847e9_html_a41c50c14e6bc947987661add1a95e777"><div class="ttname"><a href="structutl_1_1common__impl_1_1____common__reference3_3_01_t_00_01_u_00_01meta_1_1void__t_3_01____015b01ed12d2d90ee57fbf756ab847e9.html#a41c50c14e6bc947987661add1a95e777">utl::common_impl::__common_reference3&lt; T, U, meta::void_t&lt; __cond_res&lt; T, U &gt; &gt; &gt;::type</a></div><div class="ttdeci">__cond_res&lt; T, U &gt; type</div><div class="ttdef"><b>Definition:</b> <a href="stl_8h_source.html#l00244">stl.h:244</a></div></div>

  124. <div class="ttc" id="namespaceutl_1_1common__impl_html_a3d7922723a5d41f399f3c8a99e016e73"><div class="ttname"><a href="namespaceutl_1_1common__impl.html#a3d7922723a5d41f399f3c8a99e016e73">utl::common_impl::__cref</a></div><div class="ttdeci">std::add_lvalue_reference_t&lt; const std::remove_reference_t&lt; T &gt; &gt; __cref</div><div class="ttdef"><b>Definition:</b> <a href="stl_8h_source.html#l00123">stl.h:123</a></div></div>

  125. <div class="ttc" id="namespaceutl_html_a1be866c815c4fcb2a7344650c3491c0c"><div class="ttname"><a href="namespaceutl.html#a1be866c815c4fcb2a7344650c3491c0c">utl::CopyAssignable</a></div><div class="ttdeci">_utlConcept CopyAssignable</div><div class="ttdef"><b>Definition:</b> <a href="stl_8h_source.html#l00359">stl.h:359</a></div></div>

  126. <div class="ttc" id="structutl_1_1common__impl_1_1____xref_3_01_t_01_6_6_01_4_html_ab2e3a215cd9be370de57febb6cc290ec"><div class="ttname"><a href="structutl_1_1common__impl_1_1____xref_3_01_t_01_6_6_01_4.html#ab2e3a215cd9be370de57febb6cc290ec">utl::common_impl::__xref&lt; T &amp;&amp; &gt;::apply</a></div><div class="ttdeci">std::add_rvalue_reference_t&lt; meta::invoke&lt; __xref&lt; T &gt;, U &gt; &gt; apply</div><div class="ttdef"><b>Definition:</b> <a href="stl_8h_source.html#l00201">stl.h:201</a></div></div>

  127. <div class="ttc" id="namespaceutl_1_1meta_html_ab3fed26a4c7a8204accb349f0b6600e8"><div class="ttname"><a href="namespaceutl_1_1meta.html#ab3fed26a4c7a8204accb349f0b6600e8">utl::meta::enable_if</a></div><div class="ttdeci">std::enable_if&lt; If, _Tp &gt; enable_if</div><div class="ttdoc">enable_if, imported from stl </div><div class="ttdef"><b>Definition:</b> <a href="sfinae_8h_source.html#l00060">sfinae.h:60</a></div></div>

  128. <div class="ttc" id="namespaceutl_html_ac5e425d39e8ee62e68664c6166d02d0c"><div class="ttname"><a href="namespaceutl.html#ac5e425d39e8ee62e68664c6166d02d0c">utl::use_if_same_t</a></div><div class="ttdeci">meta::eval&lt; meta::enable_if&lt; meta::same_&lt; _T1, _T2 &gt;::value, _Ret &gt; &gt; use_if_same_t</div><div class="ttdef"><b>Definition:</b> <a href="stl_8h_source.html#l00055">stl.h:55</a></div></div>

  129. <div class="ttc" id="namespaceutl_1_1meta_html_a3f684549221fac60bc8c7979cb4b98f4"><div class="ttname"><a href="namespaceutl_1_1meta.html#a3f684549221fac60bc8c7979cb4b98f4">utl::meta::apply</a></div><div class="ttdeci">apply_impl::apply_&lt; Fn, Seq &gt; apply</div><div class="ttdef"><b>Definition:</b> <a href="typelist_8h_source.html#l00197">typelist.h:197</a></div></div>

  130. <div class="ttc" id="namespaceutl_html_acf2f1df100b0cc4f127243a1a83a8469"><div class="ttname"><a href="namespaceutl.html#acf2f1df100b0cc4f127243a1a83a8469">utl::Destructible</a></div><div class="ttdeci">_utlConcept Destructible</div><div class="ttdef"><b>Definition:</b> <a href="stl_8h_source.html#l00432">stl.h:432</a></div></div>

  131. <div class="ttc" id="namespaceutl_html_a9d5bbdf19b08d6d714ec696b0ec44d0a"><div class="ttname"><a href="namespaceutl.html#a9d5bbdf19b08d6d714ec696b0ec44d0a">utl::Invocable</a></div><div class="ttdeci">_utlConcept Invocable</div><div class="ttdef"><b>Definition:</b> <a href="stl_8h_source.html#l00750">stl.h:750</a></div></div>

  132. <div class="ttc" id="structutl_1_1details_1_1is__boolean___html"><div class="ttname"><a href="structutl_1_1details_1_1is__boolean__.html">utl::details::is_boolean_</a></div><div class="ttdef"><b>Definition:</b> <a href="stl_8h_source.html#l00530">stl.h:530</a></div></div>

  133. <div class="ttc" id="namespaceutl_1_1details_html_a3d90ca0461264f84f75c7698f7bbb811"><div class="ttname"><a href="namespaceutl_1_1details.html#a3d90ca0461264f84f75c7698f7bbb811">utl::details::is_strict_totally_ordered_t</a></div><div class="ttdeci">meta::eval&lt; is_strict_totally_ordered_&lt; T &gt; &gt; is_strict_totally_ordered_t</div><div class="ttdef"><b>Definition:</b> <a href="stl_8h_source.html#l00644">stl.h:644</a></div></div>

  134. <div class="ttc" id="namespaceutl_html_af86da3571c3026c6bbd501c6b7bc5093"><div class="ttname"><a href="namespaceutl.html#af86da3571c3026c6bbd501c6b7bc5093">utl::Same</a></div><div class="ttdeci">_utlConcept Same</div><div class="ttdef"><b>Definition:</b> <a href="stl_8h_source.html#l00062">stl.h:62</a></div></div>

  135. <div class="ttc" id="structutl_1_1details_1_1is__boolean___html_ad34df9d79caf33bf92019da4232b791c"><div class="ttname"><a href="structutl_1_1details_1_1is__boolean__.html#ad34df9d79caf33bf92019da4232b791c">utl::details::is_boolean_::type</a></div><div class="ttdeci">meta::false_ type</div><div class="ttdef"><b>Definition:</b> <a href="stl_8h_source.html#l00531">stl.h:531</a></div></div>

  136. <div class="ttc" id="structutl_1_1details_1_1is__strict__totally__ordered__with___html_a4687be9ddf2910a323d69193c0291723"><div class="ttname"><a href="structutl_1_1details_1_1is__strict__totally__ordered__with__.html#a4687be9ddf2910a323d69193c0291723">utl::details::is_strict_totally_ordered_with_::type</a></div><div class="ttdeci">meta::false_ type</div><div class="ttdef"><b>Definition:</b> <a href="stl_8h_source.html#l00683">stl.h:683</a></div></div>

  137. <div class="ttc" id="structutl_1_1common__impl_1_1____xref_html_a032704fe2160d375719ade17fd93f91b"><div class="ttname"><a href="structutl_1_1common__impl_1_1____xref.html#a032704fe2160d375719ade17fd93f91b">utl::common_impl::__xref::apply</a></div><div class="ttdeci">U apply</div><div class="ttdef"><b>Definition:</b> <a href="stl_8h_source.html#l00179">stl.h:179</a></div></div>

  138. <div class="ttc" id="structutl_1_1common__impl_1_1____copy__cv___3_01const_01_from_01_4_html_a6dfb1b1162563a05f62a004de401367e"><div class="ttname"><a href="structutl_1_1common__impl_1_1____copy__cv___3_01const_01_from_01_4.html#a6dfb1b1162563a05f62a004de401367e">utl::common_impl::__copy_cv_&lt; const From &gt;::apply</a></div><div class="ttdeci">const To apply</div><div class="ttdef"><b>Definition:</b> <a href="stl_8h_source.html#l00108">stl.h:108</a></div></div>

  139. <div class="ttc" id="namespaceutl_html_a4d76d9e29b830c16ad7dd34e3800a746"><div class="ttname"><a href="namespaceutl.html#a4d76d9e29b830c16ad7dd34e3800a746">utl::common_reference_t</a></div><div class="ttdeci">meta::eval&lt; common_reference&lt; Ts... &gt; &gt; common_reference_t</div><div class="ttdef"><b>Definition:</b> <a href="stl_8h_source.html#l00286">stl.h:286</a></div></div>

  140. <div class="ttc" id="structutl_1_1common__impl_1_1____common__reference2_3_01_t_00_01_u_00_01meta_1_1void__t_3_01____785d0aa2f8a62416e19573fcbdd83836_html_abad429fee19f4f511abfe089fa480404"><div class="ttname"><a href="structutl_1_1common__impl_1_1____common__reference2_3_01_t_00_01_u_00_01meta_1_1void__t_3_01____785d0aa2f8a62416e19573fcbdd83836.html#abad429fee19f4f511abfe089fa480404">utl::common_impl::__common_reference2&lt; T, U, meta::void_t&lt; __basic_common_reference_t&lt; T, U &gt; &gt; &gt;::type</a></div><div class="ttdeci">__basic_common_reference_t&lt; T, U &gt; type</div><div class="ttdef"><b>Definition:</b> <a href="stl_8h_source.html#l00255">stl.h:255</a></div></div>

  141. <div class="ttc" id="structutl_1_1common__impl_1_1basic__common__reference_html"><div class="ttname"><a href="structutl_1_1common__impl_1_1basic__common__reference.html">utl::common_impl::basic_common_reference</a></div><div class="ttdef"><b>Definition:</b> <a href="stl_8h_source.html#l00209">stl.h:209</a></div></div>

  142. <div class="ttc" id="namespaceutl_html_a1cc37f121888dcc030b8e676b077024f"><div class="ttname"><a href="namespaceutl.html#a1cc37f121888dcc030b8e676b077024f">utl::CommonReference</a></div><div class="ttdeci">_utlConcept CommonReference</div><div class="ttdef"><b>Definition:</b> <a href="stl_8h_source.html#l00293">stl.h:293</a></div></div>

  143. <div class="ttc" id="namespaceutl_1_1meta_html_a55511dbaa0adb605ce22dcec11f8d22d"><div class="ttname"><a href="namespaceutl_1_1meta.html#a55511dbaa0adb605ce22dcec11f8d22d">utl::meta::false_</a></div><div class="ttdeci">bool_&lt; false &gt; false_</div><div class="ttdoc">The type used as a compile-time boolean with false value. </div><div class="ttdef"><b>Definition:</b> <a href="integral_8h_source.html#l00069">integral.h:69</a></div></div>

  144. <div class="ttc" id="namespaceutl_1_1meta_html_aa5a37adba244ff4286f994111c4c02ea"><div class="ttname"><a href="namespaceutl_1_1meta.html#aa5a37adba244ff4286f994111c4c02ea">utl::meta::eval</a></div><div class="ttdeci">typename Tp::type eval</div><div class="ttdoc">Type alias for Tp::type. Used to evaluate/extract return type of metafunctions. </div><div class="ttdef"><b>Definition:</b> <a href="integral_8h_source.html#l00049">integral.h:49</a></div></div>

  145. <div class="ttc" id="utility_2invoke_8h_html"><div class="ttname"><a href="utility_2invoke_8h.html">invoke.h</a></div><div class="ttdoc">invoke() and invoke traits implementation </div></div>

  146. <div class="ttc" id="structutl_1_1details_1_1is__strict__totally__ordered___html"><div class="ttname"><a href="structutl_1_1details_1_1is__strict__totally__ordered__.html">utl::details::is_strict_totally_ordered_</a></div><div class="ttdef"><b>Definition:</b> <a href="stl_8h_source.html#l00627">stl.h:627</a></div></div>

  147. <div class="ttc" id="defines_8h_html"><div class="ttname"><a href="defines_8h.html">defines.h</a></div><div class="ttdoc">Concepts defines. </div></div>

  148. <div class="ttc" id="namespaceutl_html_a0904cc4071a8ea97a1d646dc0a9ca85b"><div class="ttname"><a href="namespaceutl.html#a0904cc4071a8ea97a1d646dc0a9ca85b">utl::DerivedFrom</a></div><div class="ttdeci">_utlConcept DerivedFrom</div><div class="ttdef"><b>Definition:</b> <a href="stl_8h_source.html#l00071">stl.h:71</a></div></div>

  149. <div class="ttc" id="structutl_1_1details_1_1is__weakly__equality__comparable__with___3_01_t_00_01_u_00_01meta_1_1voi4404f901930622694666ca68fb75381b_html_a107023c7eaad95d6f6ed8eeb60801d69"><div class="ttname"><a href="structutl_1_1details_1_1is__weakly__equality__comparable__with___3_01_t_00_01_u_00_01meta_1_1voi4404f901930622694666ca68fb75381b.html#a107023c7eaad95d6f6ed8eeb60801d69">utl::details::is_weakly_equality_comparable_with_&lt; T, U, meta::void_t&lt; meta::use_if_same_t&lt; bool, decltype(std::declval&lt; cref_&lt; T &gt;&gt;()==std::declval&lt; cref_&lt; U &gt;&gt;())&gt;, meta::use_if_same_t&lt; bool, decltype(std::declval&lt; cref_&lt; T &gt;&gt;() !=std::declval&lt; cref_&lt; U &gt;&gt;())&gt;, meta::use_if_same_t&lt; bool, decltype(std::declval&lt; cref_&lt; U &gt;&gt;()==std::declval&lt; cref_&lt; T &gt;&gt;())&gt;, meta::use_if_same_t&lt; bool, decltype(std::declval&lt; cref_&lt; U &gt;&gt;() !=std::declval&lt; cref_&lt; T &gt;&gt;())&gt; &gt; &gt;::type</a></div><div class="ttdeci">meta::true_ type</div><div class="ttdef"><b>Definition:</b> <a href="stl_8h_source.html#l00572">stl.h:572</a></div></div>

  150. <div class="ttc" id="namespaceutl_html_aa2be0b64c41b392c5264de5f5fee094e"><div class="ttname"><a href="namespaceutl.html#aa2be0b64c41b392c5264de5f5fee094e">utl::EqualityComparableWith</a></div><div class="ttdeci">_utlConcept EqualityComparableWith</div><div class="ttdef"><b>Definition:</b> <a href="stl_8h_source.html#l00599">stl.h:599</a></div></div>

  151. <div class="ttc" id="structutl_1_1common__impl_1_1____copy__cv___3_01volatile_01_from_01_4_html_a1066914bb7b2d20c25f9f6b953f40edd"><div class="ttname"><a href="structutl_1_1common__impl_1_1____copy__cv___3_01volatile_01_from_01_4.html#a1066914bb7b2d20c25f9f6b953f40edd">utl::common_impl::__copy_cv_&lt; volatile From &gt;::apply</a></div><div class="ttdeci">volatile To apply</div><div class="ttdef"><b>Definition:</b> <a href="stl_8h_source.html#l00112">stl.h:112</a></div></div>

  152. <div class="ttc" id="namespaceutl_1_1common__impl_html_ae2f3d56c7e5144e099cdf37b19523290"><div class="ttname"><a href="namespaceutl_1_1common__impl.html#ae2f3d56c7e5144e099cdf37b19523290">utl::common_impl::__lref_res</a></div><div class="ttdeci">__cond_res&lt; __copy_cv&lt; T, U &gt; &amp;, __copy_cv&lt; U, T &gt; &amp;&gt; __lref_res</div><div class="ttdef"><b>Definition:</b> <a href="stl_8h_source.html#l00140">stl.h:140</a></div></div>

  153. <div class="ttc" id="structutl_1_1common__impl_1_1____xref_3_01_t_01_6_01_4_html_a45952ba243315d71be48069faeb0aff0"><div class="ttname"><a href="structutl_1_1common__impl_1_1____xref_3_01_t_01_6_01_4.html#a45952ba243315d71be48069faeb0aff0">utl::common_impl::__xref&lt; T &amp; &gt;::apply</a></div><div class="ttdeci">std::add_lvalue_reference_t&lt; meta::invoke&lt; __xref&lt; T &gt;, U &gt; &gt; apply</div><div class="ttdef"><b>Definition:</b> <a href="stl_8h_source.html#l00196">stl.h:196</a></div></div>

  154. <div class="ttc" id="namespaceutl_html"><div class="ttname"><a href="namespaceutl.html">utl</a></div><div class="ttdoc">STL&amp;#39;s core language concepts. </div><div class="ttdef"><b>Definition:</b> <a href="__1wire_8h_source.html#l00030">_1wire.h:30</a></div></div>

  155. <div class="ttc" id="namespaceutl_html_aae56a019cdd2006c4f07d2e207289195"><div class="ttname"><a href="namespaceutl.html#aae56a019cdd2006c4f07d2e207289195">utl::Predicate</a></div><div class="ttdeci">_utlConcept Predicate</div><div class="ttdef"><b>Definition:</b> <a href="stl_8h_source.html#l00759">stl.h:759</a></div></div>

  156. <div class="ttc" id="namespaceutl_html_a7b8e4a26148ed5f2c60e4fd7d41e7e63"><div class="ttname"><a href="namespaceutl.html#a7b8e4a26148ed5f2c60e4fd7d41e7e63">utl::MoveAssignable</a></div><div class="ttdeci">_utlConcept MoveAssignable</div><div class="ttdef"><b>Definition:</b> <a href="stl_8h_source.html#l00356">stl.h:356</a></div></div>

  157. <div class="ttc" id="structutl_1_1meta_1_1same___html"><div class="ttname"><a href="structutl_1_1meta_1_1same__.html">utl::meta::same_</a></div><div class="ttdef"><b>Definition:</b> <a href="operations_8h_source.html#l00102">operations.h:102</a></div></div>

  158. <div class="ttc" id="structutl_1_1common__impl_1_1____xref_3_01const_01_t_01_4_html_aa0c18f8f497297768174b0d272209f4c"><div class="ttname"><a href="structutl_1_1common__impl_1_1____xref_3_01const_01_t_01_4.html#aa0c18f8f497297768174b0d272209f4c">utl::common_impl::__xref&lt; const T &gt;::apply</a></div><div class="ttdeci">const U apply</div><div class="ttdef"><b>Definition:</b> <a href="stl_8h_source.html#l00183">stl.h:183</a></div></div>

  159. <div class="ttc" id="structutl_1_1common__impl_1_1____common__reference2_html"><div class="ttname"><a href="structutl_1_1common__impl_1_1____common__reference2.html">utl::common_impl::__common_reference2</a></div><div class="ttdef"><b>Definition:</b> <a href="stl_8h_source.html#l00248">stl.h:248</a></div></div>

  160. <div class="ttc" id="namespaceutl_html_ace9ef6da96e8cf5dc72762cd66240186"><div class="ttname"><a href="namespaceutl.html#ace9ef6da96e8cf5dc72762cd66240186">utl::RegularInvocable</a></div><div class="ttdeci">_utlConcept RegularInvocable</div><div class="ttdef"><b>Definition:</b> <a href="stl_8h_source.html#l00756">stl.h:756</a></div></div>

  161. <div class="ttc" id="namespaceutl_html_aacd3a17129d764e8a80c615eb4b88dc3"><div class="ttname"><a href="namespaceutl.html#aacd3a17129d764e8a80c615eb4b88dc3">utl::DefaultConstructible</a></div><div class="ttdeci">_utlConcept DefaultConstructible</div><div class="ttdef"><b>Definition:</b> <a href="stl_8h_source.html#l00444">stl.h:444</a></div></div>

  162. <div class="ttc" id="namespaceutl_html_afb0f121b33b44640406b724c4d582b70"><div class="ttname"><a href="namespaceutl.html#afb0f121b33b44640406b724c4d582b70">utl::CopyConstructible</a></div><div class="ttdeci">_utlConcept CopyConstructible</div><div class="ttdef"><b>Definition:</b> <a href="stl_8h_source.html#l00459">stl.h:459</a></div></div>

  163. <div class="ttc" id="structutl_1_1common__impl_1_1____common__ref___3_01_t_01_6_00_01_u_01_6_6_00_01meta_1_1void__t_329fba5aeac3b93aa9cfa5aa7e282e196_html_a382d2ef7e9cf4cba7efe589969b64b07"><div class="ttname"><a href="structutl_1_1common__impl_1_1____common__ref___3_01_t_01_6_00_01_u_01_6_6_00_01meta_1_1void__t_329fba5aeac3b93aa9cfa5aa7e282e196.html#a382d2ef7e9cf4cba7efe589969b64b07">utl::common_impl::__common_ref_&lt; T &amp;, U &amp;&amp;, meta::void_t&lt; __common_ref&lt; T &amp;, const U &amp; &gt;, meta::when&lt; ConvertibleTo&lt; U &amp;&amp;, __common_ref&lt; T &amp;, const U &amp; &gt; &gt; &gt; &gt; &gt;::type</a></div><div class="ttdeci">__common_ref&lt; T &amp;, const U &amp; &gt; type</div><div class="ttdef"><b>Definition:</b> <a href="stl_8h_source.html#l00174">stl.h:174</a></div></div>

  164. <div class="ttc" id="namespaceutl_html_a7a9d26263662e02fbe3b238da5fd7338"><div class="ttname"><a href="namespaceutl.html#a7a9d26263662e02fbe3b238da5fd7338">utl::remove_cvref_t</a></div><div class="ttdeci">std::remove_cv_t&lt; std::remove_reference_t&lt; T &gt; &gt; remove_cvref_t</div><div class="ttdef"><b>Definition:</b> <a href="stl_8h_source.html#l00042">stl.h:42</a></div></div>

  165. <div class="ttc" id="namespaceutl_1_1details_html_a7f9309206778a6e9f0859c328b4288df"><div class="ttname"><a href="namespaceutl_1_1details.html#a7f9309206778a6e9f0859c328b4288df">utl::details::is_boolean_t</a></div><div class="ttdeci">meta::eval&lt; is_boolean_&lt; B &gt; &gt; is_boolean_t</div><div class="ttdef"><b>Definition:</b> <a href="stl_8h_source.html#l00548">stl.h:548</a></div></div>

  166. <div class="ttc" id="namespaceutl_html_a92a38a3d1638ccad068c24d1242ef63a"><div class="ttname"><a href="namespaceutl.html#a92a38a3d1638ccad068c24d1242ef63a">utl::EqualityComparable</a></div><div class="ttdeci">_utlConcept EqualityComparable</div><div class="ttdef"><b>Definition:</b> <a href="stl_8h_source.html#l00596">stl.h:596</a></div></div>

  167. <div class="ttc" id="namespaceutl_html_ada9137016ddccf3339b2f6b3c409cc3c"><div class="ttname"><a href="namespaceutl.html#ada9137016ddccf3339b2f6b3c409cc3c">utl::Integral</a></div><div class="ttdeci">_utlConcept Integral</div><div class="ttdef"><b>Definition:</b> <a href="stl_8h_source.html#l00340">stl.h:340</a></div></div>

  168. <div class="ttc" id="namespaceutl_html_a5599d14d1bd008e4c14787d610a2b429"><div class="ttname"><a href="namespaceutl.html#a5599d14d1bd008e4c14787d610a2b429">utl::StrictTotallyOrderedWith</a></div><div class="ttdeci">_utlConcept StrictTotallyOrderedWith</div><div class="ttdef"><b>Definition:</b> <a href="stl_8h_source.html#l00706">stl.h:706</a></div></div>

  169. <div class="ttc" id="namespaceutl_html_ae40494acc30f2894c74544f3e9142933"><div class="ttname"><a href="namespaceutl.html#ae40494acc30f2894c74544f3e9142933">utl::invoke_result_t</a></div><div class="ttdeci">meta::eval&lt; invoke_result&lt; _Callable, _Args... &gt; &gt; invoke_result_t</div><div class="ttdoc">invoke_result_t (for C++14) </div><div class="ttdef"><b>Definition:</b> <a href="utility_2invoke_8h_source.html#l00180">invoke.h:180</a></div></div>

  170. <div class="ttc" id="structutl_1_1common__impl_1_1____xref_html"><div class="ttname"><a href="structutl_1_1common__impl_1_1____xref.html">utl::common_impl::__xref</a></div><div class="ttdef"><b>Definition:</b> <a href="stl_8h_source.html#l00178">stl.h:178</a></div></div>

  171. <div class="ttc" id="namespaceutl_html_a2a728f3d477d96f4f719bf62079321cf"><div class="ttname"><a href="namespaceutl.html#a2a728f3d477d96f4f719bf62079321cf">utl::MoveConstructible</a></div><div class="ttdeci">_utlConcept MoveConstructible</div><div class="ttdef"><b>Definition:</b> <a href="stl_8h_source.html#l00452">stl.h:452</a></div></div>

  172. <div class="ttc" id="structutl_1_1details_1_1is__strict__totally__ordered__with___3_01_t_00_01_u_00_01meta_1_1void__t8fb7dd5a6ad25952241e37c6f163f434_html_a447a36dc0b2239ee20876c6255033345"><div class="ttname"><a href="structutl_1_1details_1_1is__strict__totally__ordered__with___3_01_t_00_01_u_00_01meta_1_1void__t8fb7dd5a6ad25952241e37c6f163f434.html#a447a36dc0b2239ee20876c6255033345">utl::details::is_strict_totally_ordered_with_&lt; T, U, meta::void_t&lt; meta::use_if_same_t&lt; bool, decltype(std::declval&lt; cref_&lt; T &gt;&gt;()&lt; std::declval&lt; cref_&lt; U &gt;&gt;())&gt;, meta::use_if_same_t&lt; bool, decltype(std::declval&lt; cref_&lt; T &gt;&gt;() &gt; std::declval&lt; cref_&lt; U &gt;&gt;())&gt;, meta::use_if_same_t&lt; bool, decltype(std::declval&lt; cref_&lt; T &gt;&gt;()&lt;=std::declval&lt; cref_&lt; U &gt;&gt;())&gt;, meta::use_if_same_t&lt; bool, decltype(std::declval&lt; cref_&lt; T &gt;&gt;() &gt;=std::declval&lt; cref_&lt; U &gt;&gt;())&gt;, meta::use_if_same_t&lt; bool, decltype(std::declval&lt; cref_&lt; U &gt;&gt;()&lt; std::declval&lt; cref_&lt; T &gt;&gt;())&gt;, meta::use_if_same_t&lt; bool, decltype(std::declval&lt; cref_&lt; U &gt;&gt;() &gt; std::declval&lt; cref_&lt; T &gt;&gt;())&gt;, meta::use_if_same_t&lt; bool, decltype(std::declval&lt; cref_&lt; U &gt;&gt;()&lt;=std::declval&lt; cref_&lt; T &gt;&gt;())&gt;, meta::use_if_same_t&lt; bool, decltype(std::declval&lt; cref_&lt; U &gt;&gt;() &gt;=std::declval&lt; cref_&lt; T &gt;&gt;())&gt; &gt; &gt;::type</a></div><div class="ttdeci">meta::true_ type</div><div class="ttdef"><b>Definition:</b> <a href="stl_8h_source.html#l00697">stl.h:697</a></div></div>

  173. <div class="ttc" id="structutl_1_1common__impl_1_1common__reference_html"><div class="ttname"><a href="structutl_1_1common__impl_1_1common__reference.html">utl::common_impl::common_reference</a></div><div class="ttdef"><b>Definition:</b> <a href="stl_8h_source.html#l00222">stl.h:222</a></div></div>

  174. <div class="ttc" id="namespaceutl_html_aa3f95fc48a94b2fae3c2959b7c024998"><div class="ttname"><a href="namespaceutl.html#aa3f95fc48a94b2fae3c2959b7c024998">utl::_ref_t</a></div><div class="ttdeci">std::add_lvalue_reference_t&lt; T &gt; _ref_t</div><div class="ttdef"><b>Definition:</b> <a href="stl_8h_source.html#l00048">stl.h:48</a></div></div>

  175. <div class="ttc" id="namespaceutl_html_afc25cb525eb29162042c21238f28f26e"><div class="ttname"><a href="namespaceutl.html#afc25cb525eb29162042c21238f28f26e">utl::Movable</a></div><div class="ttdeci">_utlConcept Movable</div><div class="ttdef"><b>Definition:</b> <a href="stl_8h_source.html#l00469">stl.h:469</a></div></div>

  176. <div class="ttc" id="namespaceutl_html_a7fb6eaf8fc1c5d65755c8c96a7a9b61f"><div class="ttname"><a href="namespaceutl.html#a7fb6eaf8fc1c5d65755c8c96a7a9b61f">utl::UnsignedIntegral</a></div><div class="ttdeci">_utlConcept UnsignedIntegral</div><div class="ttdef"><b>Definition:</b> <a href="stl_8h_source.html#l00352">stl.h:352</a></div></div>

  177. <div class="ttc" id="namespaceutl_1_1common__impl_html_a312c9f3e740103f831a49624097948f5"><div class="ttname"><a href="namespaceutl_1_1common__impl.html#a312c9f3e740103f831a49624097948f5">utl::common_impl::__rref_res</a></div><div class="ttdeci">std::remove_reference_t&lt; R &gt; &amp;&amp; __rref_res</div><div class="ttdef"><b>Definition:</b> <a href="stl_8h_source.html#l00144">stl.h:144</a></div></div>

  178. <div class="ttc" id="namespaceutl_1_1common__impl_html_adc4b085a84c0355fda341475074ff230"><div class="ttname"><a href="namespaceutl_1_1common__impl.html#adc4b085a84c0355fda341475074ff230">utl::common_impl::common_reference_t</a></div><div class="ttdeci">meta::eval&lt; common_reference&lt; Ts... &gt; &gt; common_reference_t</div><div class="ttdef"><b>Definition:</b> <a href="stl_8h_source.html#l00227">stl.h:227</a></div></div>

  179. <div class="ttc" id="namespaceutl_html_a38e00606b4b45a2ac59fa4576b4498c6"><div class="ttname"><a href="namespaceutl.html#a38e00606b4b45a2ac59fa4576b4498c6">utl::Boolean</a></div><div class="ttdeci">_utlConcept Boolean</div><div class="ttdef"><b>Definition:</b> <a href="stl_8h_source.html#l00551">stl.h:551</a></div></div>

  180. <div class="ttc" id="namespaceutl_1_1common__impl_html_aed700217ef1518692242c1059f3dff27"><div class="ttname"><a href="namespaceutl_1_1common__impl.html#aed700217ef1518692242c1059f3dff27">utl::common_impl::__copy_cv</a></div><div class="ttdeci">meta::invoke&lt; __copy_cv_&lt; From &gt;, To &gt; __copy_cv</div><div class="ttdef"><b>Definition:</b> <a href="stl_8h_source.html#l00119">stl.h:119</a></div></div>

  181. <div class="ttc" id="structutl_1_1common__impl_1_1____common__reference3_html"><div class="ttname"><a href="structutl_1_1common__impl_1_1____common__reference3.html">utl::common_impl::__common_reference3</a></div><div class="ttdef"><b>Definition:</b> <a href="stl_8h_source.html#l00237">stl.h:237</a></div></div>

  182. <div class="ttc" id="namespaceutl_html_a3accaa436a17248b4214baebc582b2f6"><div class="ttname"><a href="namespaceutl.html#a3accaa436a17248b4214baebc582b2f6">utl::Regular</a></div><div class="ttdeci">_utlConcept Regular</div><div class="ttdef"><b>Definition:</b> <a href="stl_8h_source.html#l00723">stl.h:723</a></div></div>

  183. <div class="ttc" id="namespaceutl_html_a2a3ef7a9c788ffc1291ce15d2e5869bf"><div class="ttname"><a href="namespaceutl.html#a2a3ef7a9c788ffc1291ce15d2e5869bf">utl::Constructible</a></div><div class="ttdeci">_utlConcept Constructible</div><div class="ttdef"><b>Definition:</b> <a href="stl_8h_source.html#l00438">stl.h:438</a></div></div>

  184. <div class="ttc" id="namespaceutl_1_1details_html_a499205eb8ca7f46d1e417a27f52442b8"><div class="ttname"><a href="namespaceutl_1_1details.html#a499205eb8ca7f46d1e417a27f52442b8">utl::details::is_weakly_equality_comparable_with_t</a></div><div class="ttdeci">meta::eval&lt; is_weakly_equality_comparable_with_&lt; T, U &gt; &gt; is_weakly_equality_comparable_with_t</div><div class="ttdef"><b>Definition:</b> <a href="stl_8h_source.html#l00578">stl.h:578</a></div></div>

  185. <div class="ttc" id="structutl_1_1common__impl_1_1____copy__cv___html"><div class="ttname"><a href="structutl_1_1common__impl_1_1____copy__cv__.html">utl::common_impl::__copy_cv_</a></div><div class="ttdef"><b>Definition:</b> <a href="stl_8h_source.html#l00102">stl.h:102</a></div></div>

  186. <div class="ttc" id="structutl_1_1common__impl_1_1____common__ref___3_01_t_01_6_00_01_u_01_6_00_01meta_1_1void__t_3_05e5aa384829bb34312a7b8ee4ecaa00f_html_a9818dd472dbf7e5819a37c772d0566d2"><div class="ttname"><a href="structutl_1_1common__impl_1_1____common__ref___3_01_t_01_6_00_01_u_01_6_00_01meta_1_1void__t_3_05e5aa384829bb34312a7b8ee4ecaa00f.html#a9818dd472dbf7e5819a37c772d0566d2">utl::common_impl::__common_ref_&lt; T &amp;, U &amp;, meta::void_t&lt; __lref_res&lt; T, U &gt;, meta::when&lt; std::is_reference&lt; __lref_res&lt; T, U &gt; &gt;::value &gt; &gt; &gt;::type</a></div><div class="ttdeci">__lref_res&lt; T, U &gt; type</div><div class="ttdef"><b>Definition:</b> <a href="stl_8h_source.html#l00150">stl.h:150</a></div></div>

  187. <div class="ttc" id="namespaceutl_1_1meta_html_a77630cd8adc01f7193f6cb834313d90f"><div class="ttname"><a href="namespaceutl_1_1meta.html#a77630cd8adc01f7193f6cb834313d90f">utl::meta::invoke</a></div><div class="ttdeci">typename Fn::template apply&lt; Args... &gt; invoke</div><div class="ttdef"><b>Definition:</b> <a href="meta_2invoke_8h_source.html#l00081">invoke.h:81</a></div></div>

  188. <div class="ttc" id="namespaceutl_1_1details_html_acd9fac18316e44b7abd920686de886f0"><div class="ttname"><a href="namespaceutl_1_1details.html#acd9fac18316e44b7abd920686de886f0">utl::details::is_strict_totally_ordered_with_t</a></div><div class="ttdeci">meta::eval&lt; is_strict_totally_ordered_with_&lt; T, U &gt; &gt; is_strict_totally_ordered_with_t</div><div class="ttdef"><b>Definition:</b> <a href="stl_8h_source.html#l00703">stl.h:703</a></div></div>

  189. <div class="ttc" id="structutl_1_1details_1_1is__boolean___3_01_b_00_01meta_1_1void__t_3_01meta_1_1use__if__same__t_37e77ed45a431955fc15b4c1210ad8491_html_abfb3ea1ef62c31310d992fde67f92900"><div class="ttname"><a href="structutl_1_1details_1_1is__boolean___3_01_b_00_01meta_1_1void__t_3_01meta_1_1use__if__same__t_37e77ed45a431955fc15b4c1210ad8491.html#abfb3ea1ef62c31310d992fde67f92900">utl::details::is_boolean_&lt; B, meta::void_t&lt; meta::use_if_same_t&lt; bool, decltype(!std::declval&lt; cref_&lt; B &gt;&gt;())&gt;, meta::use_if_same_t&lt; bool, decltype(std::declval&lt; cref_&lt; B &gt;&gt;()==std::declval&lt; cref_&lt; B &gt;&gt;())&gt;, meta::use_if_same_t&lt; bool, decltype(std::declval&lt; cref_&lt; B &gt;&gt;() !=std::declval&lt; cref_&lt; B &gt;&gt;())&gt;, meta::use_if_same_t&lt; bool, decltype(std::declval&lt; cref_&lt; B &gt;&gt;() &amp;&amp;std::declval&lt; cref_&lt; B &gt;&gt;())&gt;, meta::use_if_same_t&lt; bool, decltype(std::declval&lt; cref_&lt; B &gt;&gt;()||std::declval&lt; cref_&lt; B &gt;&gt;())&gt; &gt; &gt;::type</a></div><div class="ttdeci">meta::true_ type</div><div class="ttdef"><b>Definition:</b> <a href="stl_8h_source.html#l00542">stl.h:542</a></div></div>

  190. <div class="ttc" id="namespaceutl_html_ae0f873b4883af7cc18cb23dd2810f4e6"><div class="ttname"><a href="namespaceutl.html#ae0f873b4883af7cc18cb23dd2810f4e6">utl::swap</a></div><div class="ttdeci">void swap(array&lt; _Tp, _Nm &gt; &amp;lhs, array&lt; _Tp, _Nm &gt; &amp;rhs) noexcept(noexcept(lhs.swap(rhs)))</div><div class="ttdef"><b>Definition:</b> <a href="array_8h_source.html#l00214">array.h:214</a></div></div>

  191. <div class="ttc" id="namespaceutl_1_1common__impl_html_a3bbe5eb74a1c6017f60e3034519d69d6"><div class="ttname"><a href="namespaceutl_1_1common__impl.html#a3bbe5eb74a1c6017f60e3034519d69d6">utl::common_impl::__basic_common_reference_t</a></div><div class="ttdeci">meta::eval&lt; basic_common_reference&lt; remove_cvref_t&lt; T &gt;, remove_cvref_t&lt; U &gt;, __xref&lt; T &gt;::template apply, __xref&lt; U &gt;::template apply &gt; &gt; __basic_common_reference_t</div><div class="ttdef"><b>Definition:</b> <a href="stl_8h_source.html#l00219">stl.h:219</a></div></div>

  192. <div class="ttc" id="namespaceutl_html_a6d1e9b4853dd005ddaf61a79333cab98"><div class="ttname"><a href="namespaceutl.html#a6d1e9b4853dd005ddaf61a79333cab98">utl::Relation</a></div><div class="ttdeci">_utlConcept Relation</div><div class="ttdef"><b>Definition:</b> <a href="stl_8h_source.html#l00764">stl.h:764</a></div></div>

  193. <div class="ttc" id="structutl_1_1details_1_1is__strict__totally__ordered__with___html"><div class="ttname"><a href="structutl_1_1details_1_1is__strict__totally__ordered__with__.html">utl::details::is_strict_totally_ordered_with_</a></div><div class="ttdef"><b>Definition:</b> <a href="stl_8h_source.html#l00682">stl.h:682</a></div></div>

  194. <div class="ttc" id="namespaceutl_html_a41733496c30138efd3d88f13d9382aad"><div class="ttname"><a href="namespaceutl.html#a41733496c30138efd3d88f13d9382aad">utl::Arithmetic</a></div><div class="ttdeci">_utlConcept Arithmetic</div><div class="ttdef"><b>Definition:</b> <a href="stl_8h_source.html#l00736">stl.h:736</a></div></div>

  195. <div class="ttc" id="structutl_1_1common__impl_1_1common__reference_3_01_t_01_4_html_ad228404ea08fbb8929dc7792a803c5a4"><div class="ttname"><a href="structutl_1_1common__impl_1_1common__reference_3_01_t_01_4.html#ad228404ea08fbb8929dc7792a803c5a4">utl::common_impl::common_reference&lt; T &gt;::type</a></div><div class="ttdeci">T type</div><div class="ttdef"><b>Definition:</b> <a href="stl_8h_source.html#l00232">stl.h:232</a></div></div>

  196. <div class="ttc" id="namespaceutl_1_1meta_html_a181d79db46b10170529e85b907ed3dc7"><div class="ttname"><a href="namespaceutl_1_1meta.html#a181d79db46b10170529e85b907ed3dc7">utl::meta::when</a></div><div class="ttdeci">eval&lt; detail::when_&lt; If &gt; &gt; when</div><div class="ttdoc">Well formed only if If is true. </div><div class="ttdef"><b>Definition:</b> <a href="sfinae_8h_source.html#l00046">sfinae.h:46</a></div></div>

  197. <div class="ttc" id="structutl_1_1common__impl_1_1____common__reference_3_01_t_00_01_u_00_01meta_1_1when_3_01std_1_1i23b95b4b3a65ce598dbcc7f52e9dab2c_html_af8297c9aa25bfb27c58f0f58722a0d28"><div class="ttname"><a href="structutl_1_1common__impl_1_1____common__reference_3_01_t_00_01_u_00_01meta_1_1when_3_01std_1_1i23b95b4b3a65ce598dbcc7f52e9dab2c.html#af8297c9aa25bfb27c58f0f58722a0d28">utl::common_impl::__common_reference&lt; T, U, meta::when&lt; std::is_reference&lt; T &gt;::value &amp;&amp;std::is_reference&lt; U &gt;::value &gt; &gt;::type</a></div><div class="ttdeci">__common_ref&lt; T, U &gt; type</div><div class="ttdef"><b>Definition:</b> <a href="stl_8h_source.html#l00265">stl.h:265</a></div></div>

  198. <div class="ttc" id="structutl_1_1details_1_1is__weakly__equality__comparable__with___html_ab700b64203b780a4e35e0b9362224da4"><div class="ttname"><a href="structutl_1_1details_1_1is__weakly__equality__comparable__with__.html#ab700b64203b780a4e35e0b9362224da4">utl::details::is_weakly_equality_comparable_with_::type</a></div><div class="ttdeci">meta::false_ type</div><div class="ttdef"><b>Definition:</b> <a href="stl_8h_source.html#l00562">stl.h:562</a></div></div>

  199. <div class="ttc" id="namespaceutl_html_a667b758d906c466d1b8a878a45750bf1"><div class="ttname"><a href="namespaceutl.html#a667b758d906c466d1b8a878a45750bf1">utl::SignedIntegral</a></div><div class="ttdeci">_utlConcept SignedIntegral</div><div class="ttdef"><b>Definition:</b> <a href="stl_8h_source.html#l00346">stl.h:346</a></div></div>

  200. <div class="ttc" id="impl_8h_html"><div class="ttname"><a href="impl_8h.html">impl.h</a></div><div class="ttdoc">Implementation detail main forward header. </div></div>

  201. <div class="ttc" id="structutl_1_1common__impl_1_1____xref_3_01volatile_01_t_01_4_html_affd4de84c60ada7d645b9f4d66f17b25"><div class="ttname"><a href="structutl_1_1common__impl_1_1____xref_3_01volatile_01_t_01_4.html#affd4de84c60ada7d645b9f4d66f17b25">utl::common_impl::__xref&lt; volatile T &gt;::apply</a></div><div class="ttdeci">volatile U apply</div><div class="ttdef"><b>Definition:</b> <a href="stl_8h_source.html#l00187">stl.h:187</a></div></div>

  202. <div class="ttc" id="structutl_1_1is__invocable_html"><div class="ttname"><a href="structutl_1_1is__invocable.html">utl::is_invocable</a></div><div class="ttdoc">std::is_invocable trait for C++11 </div><div class="ttdef"><b>Definition:</b> <a href="utility_2invoke_8h_source.html#l00130">invoke.h:130</a></div></div>

  203. <div class="ttc" id="namespaceutl_html_ab437a6d3a1f420b44e01378ae37fcb24"><div class="ttname"><a href="namespaceutl.html#ab437a6d3a1f420b44e01378ae37fcb24">utl::is_swappable_with</a></div><div class="ttdeci">std::is_swappable_with is_swappable_with</div><div class="ttdef"><b>Definition:</b> <a href="stl_8h_source.html#l00408">stl.h:408</a></div></div>

  204. </div><!-- fragment --></div><!-- contents -->

  205. </div><!-- doc-content -->

  206. <!-- start footer part -->

  207. <div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->

  208.   <ul>

  209.     <li class="navelem"><a class="el" href="dir_d44c64559bbebec7f509842c48db8b23.html">include</a></li><li class="navelem"><a class="el" href="dir_82754f54d9380477ef02477185c1f103.html">utl</a></li><li class="navelem"><a class="el" href="dir_1de759a74730efb26e16b92a33818a86.html">concepts</a></li><li class="navelem"><a class="el" href="stl_8h.html">stl.h</a></li>

  210.     <li class="footer">Generated by

  211.     <a href="http://www.doxygen.org/index.html">

  212.     <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.14 </li>

  213.   </ul>

  214. </div>

  215. </body>

  216. </html>