Enhance tests coverage and report output
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<html lang="en">
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
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<title>LCOV - coverage.info - usr/include/c++/13/bits/invoke.h</title>
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<link rel="stylesheet" type="text/css" href="../../../../../gcov.css">
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</head>
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<body>
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<table width="100%" border=0 cellspacing=0 cellpadding=0>
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<tr><td class="title">LCOV - code coverage report</td></tr>
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<tr><td class="ruler"><img src="../../../../../glass.png" width=3 height=3 alt=""></td></tr>
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<tr>
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<td width="100%">
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<table cellpadding=1 border=0 width="100%">
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<tr>
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<td width="10%" class="headerItem">Current view:</td>
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<td width="10%" class="headerValue"><a href="../../../../../index.html">top level</a> - <a href="index.html">/usr/include/c++/13/bits</a> - invoke.h<span style="font-size: 80%;"> (source / <a href="invoke.h.func-c.html">functions</a>)</span></td>
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<td width="5%"></td>
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<td width="5%"></td>
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<td width="5%" class="headerCovTableHead">Coverage</td>
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<td width="5%" class="headerCovTableHead" title="Covered + Uncovered code">Total</td>
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<td width="5%" class="headerCovTableHead" title="Exercised code only">Hit</td>
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</tr>
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<tr>
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<td class="headerItem">Test:</td>
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<td class="headerValue">coverage.info</td>
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<td></td>
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<td class="headerItem">Lines:</td>
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<td class="headerCovTableEntryLo">62.5 %</td>
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<td class="headerCovTableEntry">8</td>
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<td class="headerCovTableEntry">5</td>
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</tr>
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<tr>
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<td class="headerItem">Test Date:</td>
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<td class="headerValue">2024-04-30 13:17:26</td>
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<td></td>
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<td class="headerItem">Functions:</td>
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<td class="headerCovTableEntryLo">22.7 %</td>
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<td class="headerCovTableEntry">44</td>
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<td class="headerCovTableEntry">10</td>
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</tr>
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<tr><td><img src="../../../../../glass.png" width=3 height=3 alt=""></td></tr>
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</table>
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</td>
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</tr>
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<tr><td class="ruler"><img src="../../../../../glass.png" width=3 height=3 alt=""></td></tr>
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</table>
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<table cellpadding=0 cellspacing=0 border=0>
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<tr>
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<td><br></td>
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</tr>
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<tr>
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<pre class="sourceHeading"> Line data Source code</pre>
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<pre class="source">
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<span id="L1"><span class="lineNum"> 1</span> : // Implementation of INVOKE -*- C++ -*-</span>
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<span id="L2"><span class="lineNum"> 2</span> : </span>
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<span id="L3"><span class="lineNum"> 3</span> : // Copyright (C) 2016-2023 Free Software Foundation, Inc.</span>
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<span id="L4"><span class="lineNum"> 4</span> : //</span>
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<span id="L5"><span class="lineNum"> 5</span> : // This file is part of the GNU ISO C++ Library. This library is free</span>
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<span id="L6"><span class="lineNum"> 6</span> : // software; you can redistribute it and/or modify it under the</span>
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<span id="L7"><span class="lineNum"> 7</span> : // terms of the GNU General Public License as published by the</span>
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<span id="L8"><span class="lineNum"> 8</span> : // Free Software Foundation; either version 3, or (at your option)</span>
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<span id="L9"><span class="lineNum"> 9</span> : // any later version.</span>
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<span id="L10"><span class="lineNum"> 10</span> : </span>
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<span id="L11"><span class="lineNum"> 11</span> : // This library is distributed in the hope that it will be useful,</span>
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<span id="L12"><span class="lineNum"> 12</span> : // but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
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<span id="L13"><span class="lineNum"> 13</span> : // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span>
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<span id="L14"><span class="lineNum"> 14</span> : // GNU General Public License for more details.</span>
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||||
<span id="L15"><span class="lineNum"> 15</span> : </span>
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<span id="L16"><span class="lineNum"> 16</span> : // Under Section 7 of GPL version 3, you are granted additional</span>
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<span id="L17"><span class="lineNum"> 17</span> : // permissions described in the GCC Runtime Library Exception, version</span>
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||||
<span id="L18"><span class="lineNum"> 18</span> : // 3.1, as published by the Free Software Foundation.</span>
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<span id="L19"><span class="lineNum"> 19</span> : </span>
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<span id="L20"><span class="lineNum"> 20</span> : // You should have received a copy of the GNU General Public License and</span>
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||||
<span id="L21"><span class="lineNum"> 21</span> : // a copy of the GCC Runtime Library Exception along with this program;</span>
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<span id="L22"><span class="lineNum"> 22</span> : // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see</span>
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<span id="L23"><span class="lineNum"> 23</span> : // <http://www.gnu.org/licenses/>.</span>
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<span id="L24"><span class="lineNum"> 24</span> : </span>
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<span id="L25"><span class="lineNum"> 25</span> : /** @file include/bits/invoke.h</span>
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<span id="L26"><span class="lineNum"> 26</span> : * This is an internal header file, included by other library headers.</span>
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<span id="L27"><span class="lineNum"> 27</span> : * Do not attempt to use it directly. @headername{functional}</span>
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<span id="L28"><span class="lineNum"> 28</span> : */</span>
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<span id="L29"><span class="lineNum"> 29</span> : </span>
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<span id="L30"><span class="lineNum"> 30</span> : #ifndef _GLIBCXX_INVOKE_H</span>
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<span id="L31"><span class="lineNum"> 31</span> : #define _GLIBCXX_INVOKE_H 1</span>
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<span id="L32"><span class="lineNum"> 32</span> : </span>
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<span id="L33"><span class="lineNum"> 33</span> : #pragma GCC system_header</span>
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<span id="L34"><span class="lineNum"> 34</span> : </span>
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<span id="L35"><span class="lineNum"> 35</span> : #if __cplusplus < 201103L</span>
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<span id="L36"><span class="lineNum"> 36</span> : # include <bits/c++0x_warning.h></span>
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<span id="L37"><span class="lineNum"> 37</span> : #else</span>
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<span id="L38"><span class="lineNum"> 38</span> : </span>
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<span id="L39"><span class="lineNum"> 39</span> : #include <type_traits></span>
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<span id="L40"><span class="lineNum"> 40</span> : #include <bits/move.h> // forward</span>
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<span id="L41"><span class="lineNum"> 41</span> : </span>
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<span id="L42"><span class="lineNum"> 42</span> : namespace std _GLIBCXX_VISIBILITY(default)</span>
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<span id="L43"><span class="lineNum"> 43</span> : {</span>
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<span id="L44"><span class="lineNum"> 44</span> : _GLIBCXX_BEGIN_NAMESPACE_VERSION</span>
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<span id="L45"><span class="lineNum"> 45</span> : </span>
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<span id="L46"><span class="lineNum"> 46</span> : /**</span>
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<span id="L47"><span class="lineNum"> 47</span> : * @addtogroup utilities</span>
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<span id="L48"><span class="lineNum"> 48</span> : * @{</span>
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<span id="L49"><span class="lineNum"> 49</span> : */</span>
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<span id="L50"><span class="lineNum"> 50</span> : </span>
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<span id="L51"><span class="lineNum"> 51</span> : // Used by __invoke_impl instead of std::forward<_Tp> so that a</span>
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<span id="L52"><span class="lineNum"> 52</span> : // reference_wrapper is converted to an lvalue-reference.</span>
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<span id="L53"><span class="lineNum"> 53</span> : template<typename _Tp, typename _Up = typename __inv_unwrap<_Tp>::type></span>
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<span id="L54"><span class="lineNum"> 54</span> : constexpr _Up&&</span>
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<span id="L55"><span class="lineNum"> 55</span> : __invfwd(typename remove_reference<_Tp>::type& __t) noexcept</span>
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<span id="L56"><span class="lineNum"> 56</span> : { return static_cast<_Up&&>(__t); }</span>
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<span id="L57"><span class="lineNum"> 57</span> : </span>
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<span id="L58"><span class="lineNum"> 58</span> : template<typename _Res, typename _Fn, typename... _Args></span>
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<span id="L59"><span class="lineNum"> 59</span> : constexpr _Res</span>
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<span id="L60"><span class="lineNum"> 60</span> <span class="tlaGNC tlaBgGNC"> 1605734 : __invoke_impl(__invoke_other, _Fn&& __f, _Args&&... __args)</span></span>
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<span id="L61"><span class="lineNum"> 61</span> <span class="tlaGNC"> 1605734 : { return std::forward<_Fn>(__f)(std::forward<_Args>(__args)...); }</span></span>
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<span id="L62"><span class="lineNum"> 62</span> : </span>
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<span id="L63"><span class="lineNum"> 63</span> : template<typename _Res, typename _MemFun, typename _Tp, typename... _Args></span>
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<span id="L64"><span class="lineNum"> 64</span> : constexpr _Res</span>
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<span id="L65"><span class="lineNum"> 65</span> : __invoke_impl(__invoke_memfun_ref, _MemFun&& __f, _Tp&& __t,</span>
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<span id="L66"><span class="lineNum"> 66</span> : _Args&&... __args)</span>
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<span id="L67"><span class="lineNum"> 67</span> : { return (__invfwd<_Tp>(__t).*__f)(std::forward<_Args>(__args)...); }</span>
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<span id="L68"><span class="lineNum"> 68</span> : </span>
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<span id="L69"><span class="lineNum"> 69</span> : template<typename _Res, typename _MemFun, typename _Tp, typename... _Args></span>
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<span id="L70"><span class="lineNum"> 70</span> : constexpr _Res</span>
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<span id="L71"><span class="lineNum"> 71</span> : __invoke_impl(__invoke_memfun_deref, _MemFun&& __f, _Tp&& __t,</span>
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<span id="L72"><span class="lineNum"> 72</span> : _Args&&... __args)</span>
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<span id="L73"><span class="lineNum"> 73</span> : {</span>
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<span id="L74"><span class="lineNum"> 74</span> : return ((*std::forward<_Tp>(__t)).*__f)(std::forward<_Args>(__args)...);</span>
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<span id="L75"><span class="lineNum"> 75</span> : }</span>
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<span id="L76"><span class="lineNum"> 76</span> : </span>
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<span id="L77"><span class="lineNum"> 77</span> : template<typename _Res, typename _MemPtr, typename _Tp></span>
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<span id="L78"><span class="lineNum"> 78</span> : constexpr _Res</span>
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<span id="L79"><span class="lineNum"> 79</span> : __invoke_impl(__invoke_memobj_ref, _MemPtr&& __f, _Tp&& __t)</span>
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<span id="L80"><span class="lineNum"> 80</span> : { return __invfwd<_Tp>(__t).*__f; }</span>
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<span id="L81"><span class="lineNum"> 81</span> : </span>
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<span id="L82"><span class="lineNum"> 82</span> : template<typename _Res, typename _MemPtr, typename _Tp></span>
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<span id="L83"><span class="lineNum"> 83</span> : constexpr _Res</span>
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<span id="L84"><span class="lineNum"> 84</span> : __invoke_impl(__invoke_memobj_deref, _MemPtr&& __f, _Tp&& __t)</span>
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<span id="L85"><span class="lineNum"> 85</span> : { return (*std::forward<_Tp>(__t)).*__f; }</span>
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<span id="L86"><span class="lineNum"> 86</span> : </span>
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<span id="L87"><span class="lineNum"> 87</span> : /// Invoke a callable object.</span>
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<span id="L88"><span class="lineNum"> 88</span> : template<typename _Callable, typename... _Args></span>
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<span id="L89"><span class="lineNum"> 89</span> : constexpr typename __invoke_result<_Callable, _Args...>::type</span>
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<span id="L90"><span class="lineNum"> 90</span> <span class="tlaGNC"> 1605734 : __invoke(_Callable&& __fn, _Args&&... __args)</span></span>
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<span id="L91"><span class="lineNum"> 91</span> : noexcept(__is_nothrow_invocable<_Callable, _Args...>::value)</span>
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<span id="L92"><span class="lineNum"> 92</span> : {</span>
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<span id="L93"><span class="lineNum"> 93</span> : using __result = __invoke_result<_Callable, _Args...>;</span>
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<span id="L94"><span class="lineNum"> 94</span> : using __type = typename __result::type;</span>
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<span id="L95"><span class="lineNum"> 95</span> : using __tag = typename __result::__invoke_type;</span>
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<span id="L96"><span class="lineNum"> 96</span> <span class="tlaGNC"> 1605734 : return std::__invoke_impl<__type>(__tag{}, std::forward<_Callable>(__fn),</span></span>
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<span id="L97"><span class="lineNum"> 97</span> <span class="tlaGNC"> 1605734 : std::forward<_Args>(__args)...);</span></span>
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<span id="L98"><span class="lineNum"> 98</span> : }</span>
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<span id="L99"><span class="lineNum"> 99</span> : </span>
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<span id="L100"><span class="lineNum"> 100</span> : #if __cplusplus >= 201703L</span>
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<span id="L101"><span class="lineNum"> 101</span> : // INVOKE<R>: Invoke a callable object and convert the result to R.</span>
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<span id="L102"><span class="lineNum"> 102</span> : template<typename _Res, typename _Callable, typename... _Args></span>
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<span id="L103"><span class="lineNum"> 103</span> : constexpr enable_if_t<is_invocable_r_v<_Res, _Callable, _Args...>, _Res></span>
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<span id="L104"><span class="lineNum"> 104</span> <span class="tlaUNC tlaBgUNC"> 0 : __invoke_r(_Callable&& __fn, _Args&&... __args)</span></span>
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<span id="L105"><span class="lineNum"> 105</span> : noexcept(is_nothrow_invocable_r_v<_Res, _Callable, _Args...>)</span>
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<span id="L106"><span class="lineNum"> 106</span> : {</span>
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<span id="L107"><span class="lineNum"> 107</span> : using __result = __invoke_result<_Callable, _Args...>;</span>
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<span id="L108"><span class="lineNum"> 108</span> : using __type = typename __result::type;</span>
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<span id="L109"><span class="lineNum"> 109</span> : using __tag = typename __result::__invoke_type;</span>
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<span id="L110"><span class="lineNum"> 110</span> : if constexpr (is_void_v<_Res>)</span>
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<span id="L111"><span class="lineNum"> 111</span> : std::__invoke_impl<__type>(__tag{}, std::forward<_Callable>(__fn),</span>
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<span id="L112"><span class="lineNum"> 112</span> : std::forward<_Args>(__args)...);</span>
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<span id="L113"><span class="lineNum"> 113</span> : else</span>
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<span id="L114"><span class="lineNum"> 114</span> <span class="tlaUNC"> 0 : return std::__invoke_impl<__type>(__tag{},</span></span>
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<span id="L115"><span class="lineNum"> 115</span> : std::forward<_Callable>(__fn),</span>
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<span id="L116"><span class="lineNum"> 116</span> <span class="tlaUNC"> 0 : std::forward<_Args>(__args)...);</span></span>
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<span id="L117"><span class="lineNum"> 117</span> : }</span>
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<span id="L118"><span class="lineNum"> 118</span> : #else // C++11 or C++14</span>
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<span id="L119"><span class="lineNum"> 119</span> : // This is a non-SFINAE-friendly std::invoke_r<R>(fn, args...) for C++11/14.</span>
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<span id="L120"><span class="lineNum"> 120</span> : // It's used in std::function, std::bind, and std::packaged_task. Only</span>
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<span id="L121"><span class="lineNum"> 121</span> : // std::function is constrained on is_invocable_r, but that is checked on</span>
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<span id="L122"><span class="lineNum"> 122</span> : // construction so doesn't need to be checked again when calling __invoke_r.</span>
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<span id="L123"><span class="lineNum"> 123</span> : // Consequently, these __invoke_r overloads do not check for invocable</span>
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<span id="L124"><span class="lineNum"> 124</span> : // arguments, nor check that the invoke result is convertible to R.</span>
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<span id="L125"><span class="lineNum"> 125</span> : </span>
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<span id="L126"><span class="lineNum"> 126</span> : // INVOKE<R>: Invoke a callable object and convert the result to R.</span>
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<span id="L127"><span class="lineNum"> 127</span> : template<typename _Res, typename _Callable, typename... _Args></span>
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<span id="L128"><span class="lineNum"> 128</span> : constexpr __enable_if_t<!is_void<_Res>::value, _Res></span>
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<span id="L129"><span class="lineNum"> 129</span> : __invoke_r(_Callable&& __fn, _Args&&... __args)</span>
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<span id="L130"><span class="lineNum"> 130</span> : {</span>
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<span id="L131"><span class="lineNum"> 131</span> : using __result = __invoke_result<_Callable, _Args...>;</span>
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<span id="L132"><span class="lineNum"> 132</span> : using __type = typename __result::type;</span>
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<span id="L133"><span class="lineNum"> 133</span> : #if __has_builtin(__reference_converts_from_temporary)</span>
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<span id="L134"><span class="lineNum"> 134</span> : static_assert(!__reference_converts_from_temporary(_Res, __type),</span>
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<span id="L135"><span class="lineNum"> 135</span> : "INVOKE<R> must not create a dangling reference");</span>
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<span id="L136"><span class="lineNum"> 136</span> : #endif</span>
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<span id="L137"><span class="lineNum"> 137</span> : using __tag = typename __result::__invoke_type;</span>
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<span id="L138"><span class="lineNum"> 138</span> : return std::__invoke_impl<__type>(__tag{}, std::forward<_Callable>(__fn),</span>
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<span id="L139"><span class="lineNum"> 139</span> : std::forward<_Args>(__args)...);</span>
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<span id="L140"><span class="lineNum"> 140</span> : }</span>
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<span id="L141"><span class="lineNum"> 141</span> : </span>
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<span id="L142"><span class="lineNum"> 142</span> : // INVOKE<R> when R is cv void</span>
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<span id="L143"><span class="lineNum"> 143</span> : template<typename _Res, typename _Callable, typename... _Args></span>
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<span id="L144"><span class="lineNum"> 144</span> : _GLIBCXX14_CONSTEXPR __enable_if_t<is_void<_Res>::value, _Res></span>
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<span id="L145"><span class="lineNum"> 145</span> : __invoke_r(_Callable&& __fn, _Args&&... __args)</span>
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<span id="L146"><span class="lineNum"> 146</span> : {</span>
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<span id="L147"><span class="lineNum"> 147</span> : using __result = __invoke_result<_Callable, _Args...>;</span>
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<span id="L148"><span class="lineNum"> 148</span> : using __type = typename __result::type;</span>
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<span id="L149"><span class="lineNum"> 149</span> : using __tag = typename __result::__invoke_type;</span>
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||||
<span id="L150"><span class="lineNum"> 150</span> : std::__invoke_impl<__type>(__tag{}, std::forward<_Callable>(__fn),</span>
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||||
<span id="L151"><span class="lineNum"> 151</span> : std::forward<_Args>(__args)...);</span>
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<span id="L152"><span class="lineNum"> 152</span> : }</span>
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<span id="L153"><span class="lineNum"> 153</span> : #endif // C++11 or C++14</span>
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<span id="L154"><span class="lineNum"> 154</span> : </span>
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<span id="L155"><span class="lineNum"> 155</span> : _GLIBCXX_END_NAMESPACE_VERSION</span>
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<span id="L156"><span class="lineNum"> 156</span> : } // namespace std</span>
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||||
<span id="L157"><span class="lineNum"> 157</span> : </span>
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<span id="L158"><span class="lineNum"> 158</span> : #endif // C++11</span>
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<span id="L159"><span class="lineNum"> 159</span> : </span>
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<span id="L160"><span class="lineNum"> 160</span> : #endif // _GLIBCXX_INVOKE_H</span>
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</pre>
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</td>
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</tr>
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</table>
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<br>
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<table width="100%" border=0 cellspacing=0 cellpadding=0>
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<tr><td class="ruler"><img src="../../../../../glass.png" width=3 height=3 alt=""></td></tr>
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<tr><td class="versionInfo">Generated by: <a href="https://github.com//linux-test-project/lcov" target="_parent">LCOV version 2.0-1</a></td></tr>
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</table>
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<br>
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</body>
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</html>
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Reference in New Issue
Block a user