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基于C++ Coroutines提案 ‘Stackless Resumable Functions’编写的协程库
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  67. <div class="header">

  68.   <div class="headertitle">

  69. <div class="title">when_v2.h</div>  </div>

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

  71. <div class="contents">

  72. <div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="preprocessor">#pragma once</span></div>

  73. <div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160; </div>

  74. <div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="keyword">namespace </span>resumef</div>

  75. <div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;{</div>

  76. <div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;    <span class="keyword">using</span> any_t = std::any;</div>

  77. <div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;    <span class="keyword">using</span> std::any_cast;</div>

  78. <div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;}</div>

  79. <div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160; </div>

  80. <div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="comment">//纠结过when_any的返回值，是选用index + std::any，还是选用std::variant&lt;&gt;。最终选择了std::any。</span></div>

  81. <div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="comment">//std::variant&lt;&gt;存在第一个元素不能默认构造的问题，需要使用std::monostate来占位，导致下标不是从0开始。</span></div>

  82. <div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="comment">//而且，std::variant&lt;&gt;里面存在类型重复的问题，好几个操作都是病态的</span></div>

  83. <div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="comment">//最最重要的，要统一ranged when_any的返回值，还得做一个运行时通过下标设置std::variant&lt;&gt;的东西</span></div>

  84. <div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="comment">//std::any除了内存布局不太理想，其他方面几乎没缺点（在此应用下）</span></div>

  85. <div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160; </div>

  86. <div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="keyword">namespace </span>resumef</div>

  87. <div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;{</div>

  88. <div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;<span class="preprocessor">#ifndef DOXYGEN_SKIP_PROPERTY</span></div>

  89. <div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;    <span class="keyword">using</span> when_any_pair = std::pair&lt;intptr_t, any_t&gt;;</div>

  90. <div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;    <span class="keyword">using</span> when_any_pair_ptr = std::shared_ptr&lt;when_any_pair&gt;;</div>

  91. <div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160; </div>

  92. <div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;    <span class="keyword">namespace </span>detail</div>

  93. <div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;    {</div>

  94. <div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;        <span class="keyword">struct </span>state_when_t : <span class="keyword">public</span> state_base_t</div>

  95. <div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;        {</div>

  96. <div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;            state_when_t(intptr_t counter_);</div>

  97. <div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160; </div>

  98. <div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;            <span class="keyword">virtual</span> <span class="keywordtype">void</span> resume() <span class="keyword">override</span>;</div>

  99. <div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;            <span class="keyword">virtual</span> <span class="keywordtype">bool</span> has_handler() const  noexcept override;</div>

  100. <div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160; </div>

  101. <div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;            <span class="keywordtype">void</span> on_cancel() noexcept;</div>

  102. <div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;            <span class="keywordtype">bool</span> on_notify_one();</div>

  103. <div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;            <span class="keywordtype">bool</span> on_timeout();</div>

  104. <div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160; </div>

  105. <div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;            <span class="comment">//将自己加入到通知链表里</span></div>

  106. <div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;            template&lt;class _PromiseT, typename = std::enable_if_t&lt;traits::is_promise_v&lt;_PromiseT&gt;&gt;&gt;</div>

  107. <div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;            scheduler_t* on_await_suspend(coroutine_handle&lt;_PromiseT&gt; handler) noexcept</div>

  108. <div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;            {</div>

  109. <div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;                _PromiseT&amp; promise = handler.promise();</div>

  110. <div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;                <span class="keyword">auto</span>* parent_state = promise.get_state();</div>

  111. <div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;                scheduler_t* sch = parent_state-&gt;get_scheduler();</div>

  112. <div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160; </div>

  113. <div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;                this-&gt;_scheduler = sch;</div>

  114. <div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;                this-&gt;_coro = handler;</div>

  115. <div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160; </div>

  116. <div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;                <span class="keywordflow">return</span> sch;</div>

  117. <div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;            }</div>

  118. <div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160; </div>

  119. <div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;            <span class="keyword">typedef</span> spinlock lock_type;</div>

  120. <div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;            lock_type _lock;</div>

  121. <div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;            std::atomic&lt;intptr_t&gt; _counter;</div>

  122. <div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;        };</div>

  123. <div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160; </div>

  124. <div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;        <span class="keyword">template</span>&lt;<span class="keyword">class</span> _Ty&gt;</div>

  125. <div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;        <span class="keyword">struct </span>[[nodiscard]] when_future_t</div>

  126. <div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;        {</div>

  127. <div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;            <span class="keyword">using</span> value_type = _Ty;</div>

  128. <div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;            <span class="keyword">using</span> state_type = detail::state_when_t;</div>

  129. <div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;            <span class="keyword">using</span> promise_type = promise_t&lt;value_type&gt;;</div>

  130. <div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;            <span class="keyword">using</span> future_type = when_future_t&lt;value_type&gt;;</div>

  131. <div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;            <span class="keyword">using</span> lock_type = <span class="keyword">typename</span> state_type::lock_type;</div>

  132. <div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160; </div>

  133. <div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;            counted_ptr&lt;state_type&gt; _state;</div>

  134. <div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;            std::shared_ptr&lt;value_type&gt; _values;</div>

  135. <div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160; </div>

  136. <div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;            when_future_t(intptr_t count_) noexcept</div>

  137. <div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;                : _state(<span class="keyword">new</span> state_type(count_))</div>

  138. <div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;                , _values(std::make_shared&lt;value_type&gt;())</div>

  139. <div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;            {</div>

  140. <div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;            }</div>

  141. <div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160; </div>

  142. <div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;            <span class="keywordtype">bool</span> await_ready() noexcept</div>

  143. <div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;            {</div>

  144. <div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;                <span class="keywordflow">return</span> _state-&gt;_counter.load(std::memory_order_relaxed) == 0;</div>

  145. <div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;            }</div>

  146. <div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160; </div>

  147. <div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;            <span class="keyword">template</span>&lt;<span class="keyword">class</span> _PromiseT, <span class="keyword">typename</span> = std::enable_if_t&lt;traits::is_promise_v&lt;_PromiseT&gt;&gt;&gt;</div>

  148. <div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;            <span class="keywordtype">void</span> await_suspend(coroutine_handle&lt;_PromiseT&gt; handler)</div>

  149. <div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;            {</div>

  150. <div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;                _state-&gt;on_await_suspend(handler);</div>

  151. <div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;            }</div>

  152. <div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160; </div>

  153. <div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;            value_type await_resume() noexcept(std::is_nothrow_move_constructible_v&lt;value_type&gt;)</div>

  154. <div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;            {</div>

  155. <div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;                <span class="keywordflow">return</span> std::move(*_values);</div>

  156. <div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;            }</div>

  157. <div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;        };</div>

  158. <div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160; </div>

  159. <div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160; </div>

  160. <div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;        <span class="keyword">using</span> ignore_type = std::remove_const_t&lt;decltype(std::ignore)&gt;;</div>

  161. <div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160; </div>

  162. <div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;        <span class="keyword">template</span>&lt;<span class="keyword">class</span> _Ty&gt;</div>

  163. <div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;        <span class="keyword">struct </span>convert_void_2_ignore</div>

  164. <div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;        {</div>

  165. <div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;            <span class="keyword">using</span> type = std::remove_reference_t&lt;_Ty&gt;;</div>

  166. <div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;            <span class="keyword">using</span> value_type = type;</div>

  167. <div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;        };</div>

  168. <div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;        <span class="keyword">template</span>&lt;&gt;</div>

  169. <div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;        <span class="keyword">struct </span>convert_void_2_ignore&lt;void&gt;</div>

  170. <div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;        {</div>

  171. <div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;            <span class="keyword">using</span> type = void;</div>

  172. <div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;            <span class="keyword">using</span> value_type = ignore_type;</div>

  173. <div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;        };</div>

  174. <div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160; </div>

  175. <div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;        <span class="keyword">template</span>&lt;<span class="keyword">class</span> _Ty, <span class="keywordtype">bool</span> = traits::is_callable_v&lt;_Ty&gt;&gt;</div>

  176. <div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;        <span class="keyword">struct </span>awaitor_result_impl2</div>

  177. <div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;        {</div>

  178. <div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;            <span class="keyword">using</span> value_type = <span class="keyword">typename</span> convert_void_2_ignore&lt;</div>

  179. <div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;                <span class="keyword">typename</span> traits::awaitor_traits&lt;_Ty&gt;::value_type</div>

  180. <div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;            &gt;::value_type;</div>

  181. <div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;        };</div>

  182. <div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;        <span class="keyword">template</span>&lt;<span class="keyword">class</span> _Ty&gt;</div>

  183. <div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;        <span class="keyword">struct </span>awaitor_result_impl2&lt;_Ty, true&gt; : awaitor_result_impl2&lt;decltype(std::declval&lt;_Ty&gt;()()), false&gt; {};</div>

  184. <div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160; </div>

  185. <div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;        <span class="keyword">template</span>&lt;<span class="keyword">class</span>... _Ty&gt;</div>

  186. <div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;        <span class="keyword">struct </span>awaitor_result_impl{};</div>

  187. <div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160; </div>

  188. <div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;        <span class="keyword">template</span>&lt;<span class="keyword">class</span> _Ty&gt;</div>

  189. <div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;        <span class="keyword">struct </span>awaitor_result_impl&lt;_Ty&gt; : <span class="keyword">public</span> awaitor_result_impl2&lt;_Ty&gt; {};</div>

  190. <div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;        <span class="keyword">template</span>&lt;_WhenTaskT _Ty&gt;</div>

  191. <div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;        <span class="keyword">using</span> awaitor_result_t = <span class="keyword">typename</span> awaitor_result_impl&lt;std::remove_reference_t&lt;_Ty&gt;&gt;::value_type;</div>

  192. <div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160; </div>

  193. <div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160; </div>

  194. <div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;        <span class="keyword">template</span>&lt;<span class="keyword">class</span> _Ty&gt;</div>

  195. <div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;        <span class="keyword">struct </span>is_when_task : std::bool_constant&lt;traits::is_awaitable_v&lt;_Ty&gt; || traits::is_callable_v&lt;_Ty&gt;&gt; {};</div>

  196. <div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;        <span class="keyword">template</span>&lt;<span class="keyword">class</span> _Ty&gt;</div>

  197. <div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;        constexpr <span class="keywordtype">bool</span> is_when_task_v = is_when_task&lt;_Ty&gt;::value;</div>

  198. <div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160; </div>

  199. <div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;        template&lt;class _Ty, class _Task = decltype(*std::declval&lt;_Ty&gt;())&gt;</div>

  200. <div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;        constexpr <span class="keywordtype">bool</span> is_when_task_iter_v = traits::is_iterator_v&lt;_Ty&gt; &amp;&amp; is_when_task_v&lt;_Task&gt;;</div>

  201. <div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160; </div>

  202. <div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;        <span class="keyword">template</span>&lt;_WhenTaskT _Awaitable&gt;</div>

  203. <div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160;        decltype(<span class="keyword">auto</span>) when_real_awaitor(_Awaitable&amp;&amp; awaitor)</div>

  204. <div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;        {</div>

  205. <div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160;            <span class="keywordflow">if</span> constexpr (traits::is_callable_v&lt;_Awaitable&gt;)</div>

  206. <div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160;                <span class="keywordflow">return</span> awaitor();</div>

  207. <div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160;            <span class="keywordflow">else</span></div>

  208. <div class="line"><a name="l00137"></a><span class="lineno">  137</span>&#160;                <span class="keywordflow">return</span> std::forward&lt;_Awaitable&gt;(awaitor);</div>

  209. <div class="line"><a name="l00138"></a><span class="lineno">  138</span>&#160;        }</div>

  210. <div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160; </div>

  211. <div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160;        <span class="keyword">template</span>&lt;_WhenTaskT _Awaitable, <span class="keyword">class</span> _Ty&gt;</div>

  212. <div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160;        future_t&lt;&gt; when_all_connector_1(state_when_t* state, _Awaitable task, _Ty&amp; value)</div>

  213. <div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160;        {</div>

  214. <div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160;            decltype(<span class="keyword">auto</span>) awaitor = when_real_awaitor(task);</div>

  215. <div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160; </div>

  216. <div class="line"><a name="l00145"></a><span class="lineno">  145</span>&#160;            if constexpr (std::is_same_v&lt;_Ty, ignore_type&gt;)</div>

  217. <div class="line"><a name="l00146"></a><span class="lineno">  146</span>&#160;                co_await awaitor;</div>

  218. <div class="line"><a name="l00147"></a><span class="lineno">  147</span>&#160;            else</div>

  219. <div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160;                value = co_await awaitor;</div>

  220. <div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;            state-&gt;on_notify_one();</div>

  221. <div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160;        };</div>

  222. <div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160; </div>

  223. <div class="line"><a name="l00152"></a><span class="lineno">  152</span>&#160;        template&lt;class _FuckBoolean&gt;</div>

  224. <div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160;        using _FuckBoolVectorReference = typename std::vector&lt;_FuckBoolean&gt;::reference;</div>

  225. <div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160; </div>

  226. <div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160;        template&lt;_WhenTaskT _Awaitable, class _Ty&gt;</div>

  227. <div class="line"><a name="l00156"></a><span class="lineno">  156</span>&#160;        future_t&lt;&gt; when_all_connector_2(state_when_t* state,_Awaitable task, _FuckBoolVectorReference&lt;_Ty&gt; value)</div>

  228. <div class="line"><a name="l00157"></a><span class="lineno">  157</span>&#160;        {</div>

  229. <div class="line"><a name="l00158"></a><span class="lineno">  158</span>&#160;            <span class="keyword">auto</span>&amp;&amp; awaitor = when_real_awaitor(task);</div>

  230. <div class="line"><a name="l00159"></a><span class="lineno">  159</span>&#160; </div>

  231. <div class="line"><a name="l00160"></a><span class="lineno">  160</span>&#160;            <span class="keywordflow">if</span> constexpr(std::is_same_v&lt;_Ty, ignore_type&gt;)</div>

  232. <div class="line"><a name="l00161"></a><span class="lineno">  161</span>&#160;                co_await awaitor;</div>

  233. <div class="line"><a name="l00162"></a><span class="lineno">  162</span>&#160;            <span class="keywordflow">else</span></div>

  234. <div class="line"><a name="l00163"></a><span class="lineno">  163</span>&#160;                value = co_await awaitor;</div>

  235. <div class="line"><a name="l00164"></a><span class="lineno">  164</span>&#160;            state-&gt;on_notify_one();</div>

  236. <div class="line"><a name="l00165"></a><span class="lineno">  165</span>&#160;        };</div>

  237. <div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160; </div>

  238. <div class="line"><a name="l00167"></a><span class="lineno">  167</span>&#160;        <span class="keyword">template</span>&lt;<span class="keyword">class</span> _Tup, <span class="keywordtype">size_t</span> _Idx&gt;</div>

  239. <div class="line"><a name="l00168"></a><span class="lineno">  168</span>&#160;        <span class="keyword">inline</span> <span class="keywordtype">void</span> when_all_one__(scheduler_t&amp; , state_when_t*, _Tup&amp; )</div>

  240. <div class="line"><a name="l00169"></a><span class="lineno">  169</span>&#160;        {</div>

  241. <div class="line"><a name="l00170"></a><span class="lineno">  170</span>&#160;        }</div>

  242. <div class="line"><a name="l00171"></a><span class="lineno">  171</span>&#160; </div>

  243. <div class="line"><a name="l00172"></a><span class="lineno">  172</span>&#160;        <span class="keyword">template</span>&lt;<span class="keyword">class </span>_Tup, <span class="keywordtype">size_t</span> _Idx, _WhenTaskT _Awaitable, _WhenTaskT... _Rest&gt;</div>

  244. <div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160;        <span class="keyword">inline</span> <span class="keywordtype">void</span> when_all_one__(scheduler_t&amp; sch, state_when_t* state, _Tup&amp; values, _Awaitable&amp;&amp; awaitable, _Rest&amp;&amp;... rest)</div>

  245. <div class="line"><a name="l00174"></a><span class="lineno">  174</span>&#160;        {</div>

  246. <div class="line"><a name="l00175"></a><span class="lineno">  175</span>&#160;            sch + when_all_connector_1(state, std::forward&lt;_Awaitable&gt;(awaitable), std::get&lt;_Idx&gt;(values));</div>

  247. <div class="line"><a name="l00176"></a><span class="lineno">  176</span>&#160; </div>

  248. <div class="line"><a name="l00177"></a><span class="lineno">  177</span>&#160;            when_all_one__&lt;_Tup, _Idx + 1, _Rest...&gt;(sch, state, values, std::forward&lt;_Rest&gt;(rest)...);</div>

  249. <div class="line"><a name="l00178"></a><span class="lineno">  178</span>&#160;        }</div>

  250. <div class="line"><a name="l00179"></a><span class="lineno">  179</span>&#160; </div>

  251. <div class="line"><a name="l00180"></a><span class="lineno">  180</span>&#160;        <span class="keyword">template</span>&lt;<span class="keyword">class</span> _Val, _WhenIterT _Iter&gt;</div>

  252. <div class="line"><a name="l00181"></a><span class="lineno">  181</span>&#160;        <span class="keyword">inline</span> <span class="keywordtype">void</span> when_all_range__(scheduler_t&amp; sch, state_when_t* state, std::vector&lt;_Val&gt; &amp; values, _Iter begin, _Iter end)</div>

  253. <div class="line"><a name="l00182"></a><span class="lineno">  182</span>&#160;        {</div>

  254. <div class="line"><a name="l00183"></a><span class="lineno">  183</span>&#160;            <span class="keyword">using</span> _Awaitable = std::remove_reference_t&lt;decltype(*begin)&gt;;</div>

  255. <div class="line"><a name="l00184"></a><span class="lineno">  184</span>&#160; </div>

  256. <div class="line"><a name="l00185"></a><span class="lineno">  185</span>&#160;            intptr_t _Idx = 0;</div>

  257. <div class="line"><a name="l00186"></a><span class="lineno">  186</span>&#160;            <span class="keywordflow">for</span> (; begin != end; ++begin, ++_Idx)</div>

  258. <div class="line"><a name="l00187"></a><span class="lineno">  187</span>&#160;            {</div>

  259. <div class="line"><a name="l00188"></a><span class="lineno">  188</span>&#160;                sch + when_all_connector_2&lt;_Awaitable, _Val&gt;(state, *begin, values[_Idx]);</div>

  260. <div class="line"><a name="l00189"></a><span class="lineno">  189</span>&#160;            }</div>

  261. <div class="line"><a name="l00190"></a><span class="lineno">  190</span>&#160;        }</div>

  262. <div class="line"><a name="l00191"></a><span class="lineno">  191</span>&#160; </div>

  263. <div class="line"><a name="l00192"></a><span class="lineno">  192</span>&#160;<span class="comment">//-----------------------------------------------------------------------------------------------------------------------------------------</span></div>

  264. <div class="line"><a name="l00193"></a><span class="lineno">  193</span>&#160; </div>

  265. <div class="line"><a name="l00194"></a><span class="lineno">  194</span>&#160;        <span class="keyword">template</span>&lt;_WhenTaskT _Awaitable&gt;</div>

  266. <div class="line"><a name="l00195"></a><span class="lineno">  195</span>&#160;        future_t&lt;&gt; when_any_connector(counted_ptr&lt;state_when_t&gt; state, _Awaitable task, when_any_pair_ptr value, intptr_t idx)</div>

  267. <div class="line"><a name="l00196"></a><span class="lineno">  196</span>&#160;        {</div>

  268. <div class="line"><a name="l00197"></a><span class="lineno">  197</span>&#160;            assert(idx &gt;= 0);</div>

  269. <div class="line"><a name="l00198"></a><span class="lineno">  198</span>&#160; </div>

  270. <div class="line"><a name="l00199"></a><span class="lineno">  199</span>&#160;            <span class="keyword">auto</span> awaitor = when_real_awaitor(task);</div>

  271. <div class="line"><a name="l00200"></a><span class="lineno">  200</span>&#160; </div>

  272. <div class="line"><a name="l00201"></a><span class="lineno">  201</span>&#160;            <span class="keyword">using</span> value_type = awaitor_result_t&lt;decltype(awaitor)&gt;;</div>

  273. <div class="line"><a name="l00202"></a><span class="lineno">  202</span>&#160; </div>

  274. <div class="line"><a name="l00203"></a><span class="lineno">  203</span>&#160;            <span class="keywordflow">if</span> constexpr (std::is_same_v&lt;value_type, ignore_type&gt;)</div>

  275. <div class="line"><a name="l00204"></a><span class="lineno">  204</span>&#160;            {</div>

  276. <div class="line"><a name="l00205"></a><span class="lineno">  205</span>&#160;                co_await awaitor;</div>

  277. <div class="line"><a name="l00206"></a><span class="lineno">  206</span>&#160; </div>

  278. <div class="line"><a name="l00207"></a><span class="lineno">  207</span>&#160;                intptr_t oldValue = -1;</div>

  279. <div class="line"><a name="l00208"></a><span class="lineno">  208</span>&#160;                <span class="keywordflow">if</span> (<span class="keyword">reinterpret_cast&lt;</span>std::atomic&lt;intptr_t&gt;&amp;<span class="keyword">&gt;</span>(value-&gt;first).compare_exchange_strong(oldValue, idx))</div>

  280. <div class="line"><a name="l00209"></a><span class="lineno">  209</span>&#160;                {</div>

  281. <div class="line"><a name="l00210"></a><span class="lineno">  210</span>&#160;                    state-&gt;on_notify_one();</div>

  282. <div class="line"><a name="l00211"></a><span class="lineno">  211</span>&#160;                }</div>

  283. <div class="line"><a name="l00212"></a><span class="lineno">  212</span>&#160;            }</div>

  284. <div class="line"><a name="l00213"></a><span class="lineno">  213</span>&#160;            <span class="keywordflow">else</span></div>

  285. <div class="line"><a name="l00214"></a><span class="lineno">  214</span>&#160;            {</div>

  286. <div class="line"><a name="l00215"></a><span class="lineno">  215</span>&#160;                decltype(<span class="keyword">auto</span>) result = co_await awaitor;</div>

  287. <div class="line"><a name="l00216"></a><span class="lineno">  216</span>&#160; </div>

  288. <div class="line"><a name="l00217"></a><span class="lineno">  217</span>&#160;                intptr_t oldValue = -1;</div>

  289. <div class="line"><a name="l00218"></a><span class="lineno">  218</span>&#160;                if (reinterpret_cast&lt;std::atomic&lt;intptr_t&gt;&amp;&gt;(value-&gt;first).compare_exchange_strong(oldValue, idx))</div>

  290. <div class="line"><a name="l00219"></a><span class="lineno">  219</span>&#160;                {</div>

  291. <div class="line"><a name="l00220"></a><span class="lineno">  220</span>&#160;                    value-&gt;second = std::move(result);</div>

  292. <div class="line"><a name="l00221"></a><span class="lineno">  221</span>&#160; </div>

  293. <div class="line"><a name="l00222"></a><span class="lineno">  222</span>&#160;                    state-&gt;on_notify_one();</div>

  294. <div class="line"><a name="l00223"></a><span class="lineno">  223</span>&#160;                }</div>

  295. <div class="line"><a name="l00224"></a><span class="lineno">  224</span>&#160;            }</div>

  296. <div class="line"><a name="l00225"></a><span class="lineno">  225</span>&#160;        };</div>

  297. <div class="line"><a name="l00226"></a><span class="lineno">  226</span>&#160; </div>

  298. <div class="line"><a name="l00227"></a><span class="lineno">  227</span>&#160;        <span class="keyword">inline</span> <span class="keywordtype">void</span> when_any_one__(scheduler_t&amp;, state_when_t*, when_any_pair_ptr, intptr_t)</div>

  299. <div class="line"><a name="l00228"></a><span class="lineno">  228</span>&#160;        {</div>

  300. <div class="line"><a name="l00229"></a><span class="lineno">  229</span>&#160;        }</div>

  301. <div class="line"><a name="l00230"></a><span class="lineno">  230</span>&#160; </div>

  302. <div class="line"><a name="l00231"></a><span class="lineno">  231</span>&#160;        <span class="keyword">template</span>&lt;_WhenTaskT _Awaitable, _WhenTaskT... _Rest&gt;</div>

  303. <div class="line"><a name="l00232"></a><span class="lineno">  232</span>&#160;        <span class="keyword">inline</span> <span class="keywordtype">void</span> when_any_one__(scheduler_t&amp; sch, state_when_t* state, when_any_pair_ptr value, intptr_t _Idx, _Awaitable&amp;&amp; awaitable, _Rest&amp;&amp;... rest)</div>

  304. <div class="line"><a name="l00233"></a><span class="lineno">  233</span>&#160;        {</div>

  305. <div class="line"><a name="l00234"></a><span class="lineno">  234</span>&#160;            sch + when_any_connector(state, std::forward&lt;_Awaitable&gt;(awaitable), value, _Idx);</div>

  306. <div class="line"><a name="l00235"></a><span class="lineno">  235</span>&#160; </div>

  307. <div class="line"><a name="l00236"></a><span class="lineno">  236</span>&#160;            when_any_one__(sch, state, value, _Idx + 1, std::forward&lt;_Rest&gt;(rest)...);</div>

  308. <div class="line"><a name="l00237"></a><span class="lineno">  237</span>&#160;        }</div>

  309. <div class="line"><a name="l00238"></a><span class="lineno">  238</span>&#160; </div>

  310. <div class="line"><a name="l00239"></a><span class="lineno">  239</span>&#160;        <span class="keyword">template</span>&lt;_WhenIterT _Iter&gt;</div>

  311. <div class="line"><a name="l00240"></a><span class="lineno">  240</span>&#160;        <span class="keyword">inline</span> <span class="keywordtype">void</span> when_any_range__(scheduler_t&amp; sch, state_when_t* state, when_any_pair_ptr value, _Iter begin, _Iter end)</div>

  312. <div class="line"><a name="l00241"></a><span class="lineno">  241</span>&#160;        {</div>

  313. <div class="line"><a name="l00242"></a><span class="lineno">  242</span>&#160;            <span class="keyword">using</span> _Awaitable = std::remove_reference_t&lt;decltype(*begin)&gt;;</div>

  314. <div class="line"><a name="l00243"></a><span class="lineno">  243</span>&#160; </div>

  315. <div class="line"><a name="l00244"></a><span class="lineno">  244</span>&#160;            intptr_t _Idx = 0;</div>

  316. <div class="line"><a name="l00245"></a><span class="lineno">  245</span>&#160;            <span class="keywordflow">for</span> (; begin != end; ++begin, ++_Idx)</div>

  317. <div class="line"><a name="l00246"></a><span class="lineno">  246</span>&#160;            {</div>

  318. <div class="line"><a name="l00247"></a><span class="lineno">  247</span>&#160;                sch + when_any_connector&lt;_Awaitable&gt;(state, *begin, value, <span class="keyword">static_cast&lt;</span>intptr_t<span class="keyword">&gt;</span>(_Idx));</div>

  319. <div class="line"><a name="l00248"></a><span class="lineno">  248</span>&#160;            }</div>

  320. <div class="line"><a name="l00249"></a><span class="lineno">  249</span>&#160;        }</div>

  321. <div class="line"><a name="l00250"></a><span class="lineno">  250</span>&#160;    }</div>

  322. <div class="line"><a name="l00251"></a><span class="lineno">  251</span>&#160; </div>

  323. <div class="line"><a name="l00252"></a><span class="lineno">  252</span>&#160;<span class="preprocessor">#endif  //DOXYGEN_SKIP_PROPERTY</span></div>

  324. <div class="line"><a name="l00253"></a><span class="lineno">  253</span>&#160; </div>

  325. <div class="line"><a name="l00254"></a><span class="lineno">  254</span>&#160;<span class="preprocessor">#ifndef DOXYGEN_SKIP_PROPERTY</span></div>

  326. <div class="line"><a name="l00255"></a><span class="lineno">  255</span>&#160;<span class="keyword">inline</span> <span class="keyword">namespace </span>when_v2</div>

  327. <div class="line"><a name="l00256"></a><span class="lineno">  256</span>&#160;{</div>

  328. <div class="line"><a name="l00257"></a><span class="lineno">  257</span>&#160;<span class="preprocessor">#else</span></div>

  329. <div class="line"><a name="l00258"></a><span class="lineno">  258</span>&#160; </div>

  330. <div class="line"><a name="l00262"></a><span class="lineno"><a class="line" href="structresumef_1_1when__.html">  262</a></span>&#160;    <span class="keyword">struct </span><a class="code" href="structresumef_1_1when__.html">when_</a>{</div>

  331. <div class="line"><a name="l00263"></a><span class="lineno">  263</span>&#160;<span class="preprocessor">#endif</span></div>

  332. <div class="line"><a name="l00264"></a><span class="lineno">  264</span>&#160; </div>

  333. <div class="line"><a name="l00271"></a><span class="lineno">  271</span>&#160;    <span class="keyword">template</span>&lt;_WhenTaskT... _Awaitable</div>

  334. <div class="line"><a name="l00272"></a><span class="lineno">  272</span>&#160;<span class="preprocessor">#ifndef DOXYGEN_SKIP_PROPERTY</span></div>

  335. <div class="line"><a name="l00273"></a><span class="lineno">  273</span>&#160;        COMMA_RESUMEF_ENABLE_IF(std::conjunction_v&lt;detail::is_when_task&lt;_Awaitable&gt;...&gt;)</div>

  336. <div class="line"><a name="l00274"></a><span class="lineno">  274</span>&#160;<span class="preprocessor">#endif  //DOXYGEN_SKIP_PROPERTY</span></div>

  337. <div class="line"><a name="l00275"></a><span class="lineno">  275</span>&#160;    &gt;</div>

  338. <div class="line"><a name="l00276"></a><span class="lineno"><a class="line" href="structresumef_1_1when__.html#a6ba9218688af965ccf6d4bd9e98b152a">  276</a></span>&#160;    <span class="keyword">auto</span> <a class="code" href="structresumef_1_1when__.html#a6ba9218688af965ccf6d4bd9e98b152a">when_all</a>(<a class="code" href="structresumef_1_1scheduler__t.html">scheduler_t</a>&amp; sch, _Awaitable&amp;&amp;... args)</div>

  339. <div class="line"><a name="l00277"></a><span class="lineno">  277</span>&#160;        -&gt; detail::when_future_t&lt;std::tuple&lt;detail::awaitor_result_t&lt;_Awaitable&gt;...&gt; &gt;</div>

  340. <div class="line"><a name="l00278"></a><span class="lineno">  278</span>&#160;    {</div>

  341. <div class="line"><a name="l00279"></a><span class="lineno">  279</span>&#160;        <span class="keyword">using</span> tuple_type = std::tuple&lt;detail::awaitor_result_t&lt;_Awaitable&gt;...&gt;;</div>

  342. <div class="line"><a name="l00280"></a><span class="lineno">  280</span>&#160; </div>

  343. <div class="line"><a name="l00281"></a><span class="lineno">  281</span>&#160;        detail::when_future_t&lt;tuple_type&gt; awaitor{ <span class="keyword">sizeof</span>...(_Awaitable) };</div>

  344. <div class="line"><a name="l00282"></a><span class="lineno">  282</span>&#160;        detail::when_all_one__&lt;tuple_type, 0u, _Awaitable...&gt;(sch, awaitor._state.get(), *awaitor._values, std::forward&lt;_Awaitable&gt;(args)...);</div>

  345. <div class="line"><a name="l00283"></a><span class="lineno">  283</span>&#160; </div>

  346. <div class="line"><a name="l00284"></a><span class="lineno">  284</span>&#160;        <span class="keywordflow">return</span> awaitor;</div>

  347. <div class="line"><a name="l00285"></a><span class="lineno">  285</span>&#160;    }</div>

  348. <div class="line"><a name="l00286"></a><span class="lineno">  286</span>&#160; </div>

  349. <div class="line"><a name="l00294"></a><span class="lineno">  294</span>&#160;    <span class="keyword">template</span>&lt;_WhenIterT _Iter</div>

  350. <div class="line"><a name="l00295"></a><span class="lineno">  295</span>&#160;<span class="preprocessor">#ifndef DOXYGEN_SKIP_PROPERTY</span></div>

  351. <div class="line"><a name="l00296"></a><span class="lineno">  296</span>&#160;        COMMA_RESUMEF_ENABLE_IF(detail::is_when_task_iter_v&lt;_Iter&gt;)</div>

  352. <div class="line"><a name="l00297"></a><span class="lineno">  297</span>&#160;<span class="preprocessor">#endif  //DOXYGEN_SKIP_PROPERTY</span></div>

  353. <div class="line"><a name="l00298"></a><span class="lineno">  298</span>&#160;    &gt;</div>

  354. <div class="line"><a name="l00299"></a><span class="lineno"><a class="line" href="structresumef_1_1when__.html#a29810e8fe2efbfb395669971758182fe">  299</a></span>&#160;    <span class="keyword">auto</span> <a class="code" href="structresumef_1_1when__.html#a29810e8fe2efbfb395669971758182fe">when_all</a>(<a class="code" href="structresumef_1_1scheduler__t.html">scheduler_t</a>&amp; sch, _Iter begin, _Iter end)</div>

  355. <div class="line"><a name="l00300"></a><span class="lineno">  300</span>&#160;        -&gt; detail::when_future_t&lt;std::vector&lt;detail::awaitor_result_t&lt;decltype(*std::declval&lt;_Iter&gt;())&gt; &gt; &gt;</div>

  356. <div class="line"><a name="l00301"></a><span class="lineno">  301</span>&#160;    {</div>

  357. <div class="line"><a name="l00302"></a><span class="lineno">  302</span>&#160;        <span class="keyword">using</span> value_type = detail::awaitor_result_t&lt;decltype(*std::declval&lt;_Iter&gt;())&gt;;</div>

  358. <div class="line"><a name="l00303"></a><span class="lineno">  303</span>&#160;        <span class="keyword">using</span> vector_type = std::vector&lt;value_type&gt;;</div>

  359. <div class="line"><a name="l00304"></a><span class="lineno">  304</span>&#160; </div>

  360. <div class="line"><a name="l00305"></a><span class="lineno">  305</span>&#160;        detail::when_future_t&lt;vector_type&gt; awaitor{ std::distance(begin, end) };</div>

  361. <div class="line"><a name="l00306"></a><span class="lineno">  306</span>&#160;        awaitor._values-&gt;resize(end - begin);</div>

  362. <div class="line"><a name="l00307"></a><span class="lineno">  307</span>&#160;        when_all_range__(sch, awaitor._state.get(), *awaitor._values, begin, end);</div>

  363. <div class="line"><a name="l00308"></a><span class="lineno">  308</span>&#160; </div>

  364. <div class="line"><a name="l00309"></a><span class="lineno">  309</span>&#160;        <span class="keywordflow">return</span> awaitor;</div>

  365. <div class="line"><a name="l00310"></a><span class="lineno">  310</span>&#160;    }</div>

  366. <div class="line"><a name="l00311"></a><span class="lineno">  311</span>&#160; </div>

  367. <div class="line"><a name="l00318"></a><span class="lineno">  318</span>&#160;    <span class="keyword">template</span>&lt;_ContainerT _Cont</div>

  368. <div class="line"><a name="l00319"></a><span class="lineno">  319</span>&#160;<span class="preprocessor">#ifndef DOXYGEN_SKIP_PROPERTY</span></div>

  369. <div class="line"><a name="l00320"></a><span class="lineno">  320</span>&#160;        COMMA_RESUMEF_ENABLE_IF(traits::is_container_v&lt;_Cont&gt;)</div>

  370. <div class="line"><a name="l00321"></a><span class="lineno">  321</span>&#160;<span class="preprocessor">#endif  //DOXYGEN_SKIP_PROPERTY</span></div>

  371. <div class="line"><a name="l00322"></a><span class="lineno">  322</span>&#160;    &gt;</div>

  372. <div class="line"><a name="l00323"></a><span class="lineno"><a class="line" href="structresumef_1_1when__.html#a66d4fc83bbdbe36232615ff7d0459049">  323</a></span>&#160;    decltype(<span class="keyword">auto</span>) when_all(<a class="code" href="structresumef_1_1scheduler__t.html">scheduler_t</a>&amp; sch, _Cont&amp; cont)</div>

  373. <div class="line"><a name="l00324"></a><span class="lineno">  324</span>&#160;    {</div>

  374. <div class="line"><a name="l00325"></a><span class="lineno">  325</span>&#160;        <span class="keywordflow">return</span> when_all(sch, std::begin(cont), std::end(cont));</div>

  375. <div class="line"><a name="l00326"></a><span class="lineno">  326</span>&#160;    }</div>

  376. <div class="line"><a name="l00327"></a><span class="lineno">  327</span>&#160; </div>

  377. <div class="line"><a name="l00334"></a><span class="lineno">  334</span>&#160;    <span class="keyword">template</span>&lt;_WhenTaskT... _Awaitable</div>

  378. <div class="line"><a name="l00335"></a><span class="lineno">  335</span>&#160;<span class="preprocessor">#ifndef DOXYGEN_SKIP_PROPERTY</span></div>

  379. <div class="line"><a name="l00336"></a><span class="lineno">  336</span>&#160;        COMMA_RESUMEF_ENABLE_IF(std::conjunction_v&lt;detail::is_when_task&lt;_Awaitable&gt;...&gt;)</div>

  380. <div class="line"><a name="l00337"></a><span class="lineno">  337</span>&#160;<span class="preprocessor">#endif  //DOXYGEN_SKIP_PROPERTY</span></div>

  381. <div class="line"><a name="l00338"></a><span class="lineno">  338</span>&#160;    &gt;</div>

  382. <div class="line"><a name="l00339"></a><span class="lineno"><a class="line" href="structresumef_1_1when__.html#a1d453b444cfaa704cf7a1da01eed49b9">  339</a></span>&#160;    <span class="keyword">auto</span> <a class="code" href="structresumef_1_1when__.html#a1d453b444cfaa704cf7a1da01eed49b9">when_all</a>(_Awaitable&amp;&amp;... args)</div>

  383. <div class="line"><a name="l00340"></a><span class="lineno">  340</span>&#160;        -&gt; <a class="code" href="structresumef_1_1future__t.html">future_t&lt;std::tuple&lt;detail::awaitor_result_t&lt;_Awaitable&gt;</a>...&gt;&gt;</div>

  384. <div class="line"><a name="l00341"></a><span class="lineno">  341</span>&#160;    {</div>

  385. <div class="line"><a name="l00342"></a><span class="lineno">  342</span>&#160;        <a class="code" href="structresumef_1_1scheduler__t.html">scheduler_t</a>* sch = current_scheduler();</div>

  386. <div class="line"><a name="l00343"></a><span class="lineno">  343</span>&#160;        co_return co_await when_all(*sch, std::forward&lt;_Awaitable&gt;(args)...);</div>

  387. <div class="line"><a name="l00344"></a><span class="lineno">  344</span>&#160;    }</div>

  388. <div class="line"><a name="l00345"></a><span class="lineno">  345</span>&#160; </div>

  389. <div class="line"><a name="l00353"></a><span class="lineno">  353</span>&#160;    <span class="keyword">template</span>&lt;_WhenIterT _Iter</div>

  390. <div class="line"><a name="l00354"></a><span class="lineno">  354</span>&#160;<span class="preprocessor">#ifndef DOXYGEN_SKIP_PROPERTY</span></div>

  391. <div class="line"><a name="l00355"></a><span class="lineno">  355</span>&#160;        COMMA_RESUMEF_ENABLE_IF(detail::is_when_task_iter_v&lt;_Iter&gt;)</div>

  392. <div class="line"><a name="l00356"></a><span class="lineno">  356</span>&#160;<span class="preprocessor">#endif  //DOXYGEN_SKIP_PROPERTY</span></div>

  393. <div class="line"><a name="l00357"></a><span class="lineno">  357</span>&#160;    &gt;</div>

  394. <div class="line"><a name="l00358"></a><span class="lineno"><a class="line" href="structresumef_1_1when__.html#a9b8ec7229b5c7dd7c2ae58d3365799dc">  358</a></span>&#160;    <span class="keyword">auto</span> <a class="code" href="structresumef_1_1when__.html#a9b8ec7229b5c7dd7c2ae58d3365799dc">when_all</a>(_Iter begin, _Iter end)</div>

  395. <div class="line"><a name="l00359"></a><span class="lineno">  359</span>&#160;        -&gt; <a class="code" href="structresumef_1_1future__t.html">future_t</a>&lt;std::vector&lt;detail::awaitor_result_t&lt;decltype(*begin)&gt;&gt;&gt;</div>

  396. <div class="line"><a name="l00360"></a><span class="lineno">  360</span>&#160;    {</div>

  397. <div class="line"><a name="l00361"></a><span class="lineno">  361</span>&#160;        <a class="code" href="structresumef_1_1scheduler__t.html">scheduler_t</a>* sch = current_scheduler();</div>

  398. <div class="line"><a name="l00362"></a><span class="lineno">  362</span>&#160;        co_return co_await when_all(*sch, begin, end);</div>

  399. <div class="line"><a name="l00363"></a><span class="lineno">  363</span>&#160;    }</div>

  400. <div class="line"><a name="l00364"></a><span class="lineno">  364</span>&#160; </div>

  401. <div class="line"><a name="l00371"></a><span class="lineno">  371</span>&#160;    <span class="keyword">template</span>&lt;_ContainerT _Cont</div>

  402. <div class="line"><a name="l00372"></a><span class="lineno">  372</span>&#160;<span class="preprocessor">#ifndef DOXYGEN_SKIP_PROPERTY</span></div>

  403. <div class="line"><a name="l00373"></a><span class="lineno">  373</span>&#160;        COMMA_RESUMEF_ENABLE_IF(traits::is_container_v&lt;_Cont&gt;)</div>

  404. <div class="line"><a name="l00374"></a><span class="lineno">  374</span>&#160;<span class="preprocessor">#endif  //DOXYGEN_SKIP_PROPERTY</span></div>

  405. <div class="line"><a name="l00375"></a><span class="lineno">  375</span>&#160;    &gt;</div>

  406. <div class="line"><a name="l00376"></a><span class="lineno"><a class="line" href="structresumef_1_1when__.html#aa2a8218ff1eb6cb48fb981310a284b84">  376</a></span>&#160;    <span class="keyword">auto</span> <a class="code" href="structresumef_1_1when__.html#aa2a8218ff1eb6cb48fb981310a284b84">when_all</a>(_Cont&amp;&amp; cont)</div>

  407. <div class="line"><a name="l00377"></a><span class="lineno">  377</span>&#160;        -&gt; <a class="code" href="structresumef_1_1future__t.html">future_t</a>&lt;std::vector&lt;detail::awaitor_result_t&lt;decltype(*std::begin(cont))&gt;&gt;&gt;</div>

  408. <div class="line"><a name="l00378"></a><span class="lineno">  378</span>&#160;    {</div>

  409. <div class="line"><a name="l00379"></a><span class="lineno">  379</span>&#160;        <span class="keywordflow">return</span> when_all(std::begin(cont), std::end(cont));</div>

  410. <div class="line"><a name="l00380"></a><span class="lineno">  380</span>&#160;    }</div>

  411. <div class="line"><a name="l00381"></a><span class="lineno">  381</span>&#160; </div>

  412. <div class="line"><a name="l00382"></a><span class="lineno">  382</span>&#160; </div>

  413. <div class="line"><a name="l00383"></a><span class="lineno">  383</span>&#160; </div>

  414. <div class="line"><a name="l00390"></a><span class="lineno">  390</span>&#160;    <span class="keyword">template</span>&lt;_WhenTaskT... _Awaitable</div>

  415. <div class="line"><a name="l00391"></a><span class="lineno">  391</span>&#160;<span class="preprocessor">#ifndef DOXYGEN_SKIP_PROPERTY</span></div>

  416. <div class="line"><a name="l00392"></a><span class="lineno">  392</span>&#160;        COMMA_RESUMEF_ENABLE_IF(std::conjunction_v&lt;detail::is_when_task&lt;_Awaitable&gt;...&gt;)</div>

  417. <div class="line"><a name="l00393"></a><span class="lineno">  393</span>&#160;<span class="preprocessor">#endif  //DOXYGEN_SKIP_PROPERTY</span></div>

  418. <div class="line"><a name="l00394"></a><span class="lineno">  394</span>&#160;    &gt;</div>

  419. <div class="line"><a name="l00395"></a><span class="lineno"><a class="line" href="structresumef_1_1when__.html#af4fe05b26abdab4ff00505ce56674ef9">  395</a></span>&#160;    <span class="keyword">auto</span> <a class="code" href="structresumef_1_1when__.html#af4fe05b26abdab4ff00505ce56674ef9">when_any</a>(<a class="code" href="structresumef_1_1scheduler__t.html">scheduler_t</a>&amp; sch, _Awaitable&amp;&amp;... args)</div>

  420. <div class="line"><a name="l00396"></a><span class="lineno">  396</span>&#160;        -&gt; detail::when_future_t&lt;when_any_pair&gt;</div>

  421. <div class="line"><a name="l00397"></a><span class="lineno">  397</span>&#160;    {</div>

  422. <div class="line"><a name="l00398"></a><span class="lineno">  398</span>&#160;<span class="preprocessor">#pragma warning(disable : 6326) //warning C6326: Potential comparison of a constant with another constant.</span></div>

  423. <div class="line"><a name="l00399"></a><span class="lineno">  399</span>&#160;        detail::when_future_t&lt;when_any_pair&gt; awaitor{ <span class="keyword">sizeof</span>...(_Awaitable) &gt; 0 ? 1 : 0 };</div>

  424. <div class="line"><a name="l00400"></a><span class="lineno">  400</span>&#160;<span class="preprocessor">#pragma warning(default : 6326)</span></div>

  425. <div class="line"><a name="l00401"></a><span class="lineno">  401</span>&#160;        awaitor._values-&gt;first = -1;</div>

  426. <div class="line"><a name="l00402"></a><span class="lineno">  402</span>&#160;        detail::when_any_one__(sch, awaitor._state.get(), awaitor._values, 0, std::forward&lt;_Awaitable&gt;(args)...);</div>

  427. <div class="line"><a name="l00403"></a><span class="lineno">  403</span>&#160; </div>

  428. <div class="line"><a name="l00404"></a><span class="lineno">  404</span>&#160;        <span class="keywordflow">return</span> awaitor;</div>

  429. <div class="line"><a name="l00405"></a><span class="lineno">  405</span>&#160;    }</div>

  430. <div class="line"><a name="l00406"></a><span class="lineno">  406</span>&#160; </div>

  431. <div class="line"><a name="l00414"></a><span class="lineno">  414</span>&#160;    <span class="keyword">template</span>&lt;_WhenIterT _Iter</div>

  432. <div class="line"><a name="l00415"></a><span class="lineno">  415</span>&#160;<span class="preprocessor">#ifndef DOXYGEN_SKIP_PROPERTY</span></div>

  433. <div class="line"><a name="l00416"></a><span class="lineno">  416</span>&#160;        COMMA_RESUMEF_ENABLE_IF(detail::is_when_task_iter_v&lt;_Iter&gt;)</div>

  434. <div class="line"><a name="l00417"></a><span class="lineno">  417</span>&#160;<span class="preprocessor">#endif  //DOXYGEN_SKIP_PROPERTY</span></div>

  435. <div class="line"><a name="l00418"></a><span class="lineno">  418</span>&#160;    &gt;</div>

  436. <div class="line"><a name="l00419"></a><span class="lineno"><a class="line" href="structresumef_1_1when__.html#a5eb64c53feea7f37b643f9b9c3faf685">  419</a></span>&#160;    <span class="keyword">auto</span> <a class="code" href="structresumef_1_1when__.html#a5eb64c53feea7f37b643f9b9c3faf685">when_any</a>(<a class="code" href="structresumef_1_1scheduler__t.html">scheduler_t</a>&amp; sch, _Iter begin, _Iter end)</div>

  437. <div class="line"><a name="l00420"></a><span class="lineno">  420</span>&#160;        -&gt; detail::when_future_t&lt;when_any_pair&gt;</div>

  438. <div class="line"><a name="l00421"></a><span class="lineno">  421</span>&#160;    {</div>

  439. <div class="line"><a name="l00422"></a><span class="lineno">  422</span>&#160;        detail::when_future_t&lt;when_any_pair&gt; awaitor{ begin == end ? 0 : 1 };</div>

  440. <div class="line"><a name="l00423"></a><span class="lineno">  423</span>&#160;        awaitor._values-&gt;first = -1;</div>

  441. <div class="line"><a name="l00424"></a><span class="lineno">  424</span>&#160;        detail::when_any_range__&lt;_Iter&gt;(sch, awaitor._state.get(), awaitor._values, begin, end);</div>

  442. <div class="line"><a name="l00425"></a><span class="lineno">  425</span>&#160; </div>

  443. <div class="line"><a name="l00426"></a><span class="lineno">  426</span>&#160;        <span class="keywordflow">return</span> awaitor;</div>

  444. <div class="line"><a name="l00427"></a><span class="lineno">  427</span>&#160;    }</div>

  445. <div class="line"><a name="l00428"></a><span class="lineno">  428</span>&#160; </div>

  446. <div class="line"><a name="l00435"></a><span class="lineno">  435</span>&#160;    <span class="keyword">template</span>&lt;_ContainerT _Cont</div>

  447. <div class="line"><a name="l00436"></a><span class="lineno">  436</span>&#160;<span class="preprocessor">#ifndef DOXYGEN_SKIP_PROPERTY</span></div>

  448. <div class="line"><a name="l00437"></a><span class="lineno">  437</span>&#160;        COMMA_RESUMEF_ENABLE_IF(traits::is_container_v&lt;_Cont&gt;)</div>

  449. <div class="line"><a name="l00438"></a><span class="lineno">  438</span>&#160;<span class="preprocessor">#endif  //DOXYGEN_SKIP_PROPERTY</span></div>

  450. <div class="line"><a name="l00439"></a><span class="lineno">  439</span>&#160;    &gt;</div>

  451. <div class="line"><a name="l00440"></a><span class="lineno"><a class="line" href="structresumef_1_1when__.html#a753478e5b7b3df202efc98c0274484e8">  440</a></span>&#160;    <span class="keyword">auto</span> <a class="code" href="structresumef_1_1when__.html#a753478e5b7b3df202efc98c0274484e8">when_any</a>(<a class="code" href="structresumef_1_1scheduler__t.html">scheduler_t</a>&amp; sch, _Cont&amp; cont)</div>

  452. <div class="line"><a name="l00441"></a><span class="lineno">  441</span>&#160;        -&gt; detail::when_future_t&lt;when_any_pair&gt;</div>

  453. <div class="line"><a name="l00442"></a><span class="lineno">  442</span>&#160;    {</div>

  454. <div class="line"><a name="l00443"></a><span class="lineno">  443</span>&#160;        <span class="keywordflow">return</span> when_any(sch, std::begin(cont), std::end(cont));</div>

  455. <div class="line"><a name="l00444"></a><span class="lineno">  444</span>&#160;    }</div>

  456. <div class="line"><a name="l00445"></a><span class="lineno">  445</span>&#160; </div>

  457. <div class="line"><a name="l00452"></a><span class="lineno">  452</span>&#160;    <span class="keyword">template</span>&lt;_WhenTaskT... _Awaitable</div>

  458. <div class="line"><a name="l00453"></a><span class="lineno">  453</span>&#160;<span class="preprocessor">#ifndef DOXYGEN_SKIP_PROPERTY</span></div>

  459. <div class="line"><a name="l00454"></a><span class="lineno">  454</span>&#160;        COMMA_RESUMEF_ENABLE_IF(std::conjunction_v&lt;detail::is_when_task&lt;_Awaitable&gt;...&gt;)</div>

  460. <div class="line"><a name="l00455"></a><span class="lineno">  455</span>&#160;<span class="preprocessor">#endif  //DOXYGEN_SKIP_PROPERTY</span></div>

  461. <div class="line"><a name="l00456"></a><span class="lineno">  456</span>&#160;    &gt;</div>

  462. <div class="line"><a name="l00457"></a><span class="lineno"><a class="line" href="structresumef_1_1when__.html#a4ec23495051e2b682f27ce0b3d527305">  457</a></span>&#160;    <span class="keyword">auto</span> <a class="code" href="structresumef_1_1when__.html#a4ec23495051e2b682f27ce0b3d527305">when_any</a>(_Awaitable&amp;&amp;... args)</div>

  463. <div class="line"><a name="l00458"></a><span class="lineno">  458</span>&#160;        -&gt; <a class="code" href="structresumef_1_1future__t.html">future_t&lt;when_any_pair&gt;</a></div>

  464. <div class="line"><a name="l00459"></a><span class="lineno">  459</span>&#160;    {</div>

  465. <div class="line"><a name="l00460"></a><span class="lineno">  460</span>&#160;        <a class="code" href="structresumef_1_1scheduler__t.html">scheduler_t</a>* sch = current_scheduler();</div>

  466. <div class="line"><a name="l00461"></a><span class="lineno">  461</span>&#160;        co_return co_await when_any(*sch, std::forward&lt;_Awaitable&gt;(args)...);</div>

  467. <div class="line"><a name="l00462"></a><span class="lineno">  462</span>&#160;    }</div>

  468. <div class="line"><a name="l00463"></a><span class="lineno">  463</span>&#160; </div>

  469. <div class="line"><a name="l00471"></a><span class="lineno">  471</span>&#160;    <span class="keyword">template</span>&lt;_WhenIterT _Iter</div>

  470. <div class="line"><a name="l00472"></a><span class="lineno">  472</span>&#160;<span class="preprocessor">#ifndef DOXYGEN_SKIP_PROPERTY</span></div>

  471. <div class="line"><a name="l00473"></a><span class="lineno">  473</span>&#160;        COMMA_RESUMEF_ENABLE_IF(detail::is_when_task_iter_v&lt;_Iter&gt;)</div>

  472. <div class="line"><a name="l00474"></a><span class="lineno">  474</span>&#160;<span class="preprocessor">#endif  //DOXYGEN_SKIP_PROPERTY</span></div>

  473. <div class="line"><a name="l00475"></a><span class="lineno">  475</span>&#160;    &gt;</div>

  474. <div class="line"><a name="l00476"></a><span class="lineno"><a class="line" href="structresumef_1_1when__.html#a8595c1bc0659b67724654b6661537058">  476</a></span>&#160;    <span class="keyword">auto</span> <a class="code" href="structresumef_1_1when__.html#a8595c1bc0659b67724654b6661537058">when_any</a>(_Iter begin, _Iter end) </div>

  475. <div class="line"><a name="l00477"></a><span class="lineno">  477</span>&#160;        -&gt; <a class="code" href="structresumef_1_1future__t.html">future_t&lt;when_any_pair&gt;</a></div>

  476. <div class="line"><a name="l00478"></a><span class="lineno">  478</span>&#160;    {</div>

  477. <div class="line"><a name="l00479"></a><span class="lineno">  479</span>&#160;        <a class="code" href="structresumef_1_1scheduler__t.html">scheduler_t</a>* sch = current_scheduler();</div>

  478. <div class="line"><a name="l00480"></a><span class="lineno">  480</span>&#160;        co_return co_await when_any(*sch, begin, end);</div>

  479. <div class="line"><a name="l00481"></a><span class="lineno">  481</span>&#160;    }</div>

  480. <div class="line"><a name="l00482"></a><span class="lineno">  482</span>&#160; </div>

  481. <div class="line"><a name="l00489"></a><span class="lineno">  489</span>&#160;    <span class="keyword">template</span>&lt;_ContainerT _Cont</div>

  482. <div class="line"><a name="l00490"></a><span class="lineno">  490</span>&#160;<span class="preprocessor">#ifndef DOXYGEN_SKIP_PROPERTY</span></div>

  483. <div class="line"><a name="l00491"></a><span class="lineno">  491</span>&#160;        COMMA_RESUMEF_ENABLE_IF(traits::is_container_v&lt;_Cont&gt;)</div>

  484. <div class="line"><a name="l00492"></a><span class="lineno">  492</span>&#160;<span class="preprocessor">#endif  //DOXYGEN_SKIP_PROPERTY</span></div>

  485. <div class="line"><a name="l00493"></a><span class="lineno">  493</span>&#160;    &gt;</div>

  486. <div class="line"><a name="l00494"></a><span class="lineno"><a class="line" href="structresumef_1_1when__.html#a0b9b2f88f5c8cd76dd8d1c70926cc029">  494</a></span>&#160;    <span class="keyword">auto</span> <a class="code" href="structresumef_1_1when__.html#a0b9b2f88f5c8cd76dd8d1c70926cc029">when_any</a>(_Cont&amp;&amp; cont)</div>

  487. <div class="line"><a name="l00495"></a><span class="lineno">  495</span>&#160;        -&gt; <a class="code" href="structresumef_1_1future__t.html">future_t&lt;when_any_pair&gt;</a></div>

  488. <div class="line"><a name="l00496"></a><span class="lineno">  496</span>&#160;    {</div>

  489. <div class="line"><a name="l00497"></a><span class="lineno">  497</span>&#160;        <span class="keywordflow">return</span> when_any(std::begin(cont), std::end(cont));</div>

  490. <div class="line"><a name="l00498"></a><span class="lineno">  498</span>&#160;    }</div>

  491. <div class="line"><a name="l00499"></a><span class="lineno">  499</span>&#160; </div>

  492. <div class="line"><a name="l00500"></a><span class="lineno">  500</span>&#160;}</div>

  493. <div class="line"><a name="l00501"></a><span class="lineno">  501</span>&#160;}</div>

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

  495. <div class="ttc" id="astructresumef_1_1scheduler__t_html"><div class="ttname"><a href="structresumef_1_1scheduler__t.html">resumef::scheduler_t</a></div><div class="ttdoc">协程调度器。</div><div class="ttdef"><b>Definition:</b> scheduler.h:10</div></div>

  496. <div class="ttc" id="astructresumef_1_1when___html_a8595c1bc0659b67724654b6661537058"><div class="ttname"><a href="structresumef_1_1when__.html#a8595c1bc0659b67724654b6661537058">resumef::when_::when_any</a></div><div class="ttdeci">auto when_any(_Iter begin, _Iter end) -&gt; future_t&lt; when_any_pair &gt;</div><div class="ttdoc">等待任一的可等待对象完成，迭代器版。</div><div class="ttdef"><b>Definition:</b> when_v2.h:476</div></div>

  497. <div class="ttc" id="astructresumef_1_1when___html_a1d453b444cfaa704cf7a1da01eed49b9"><div class="ttname"><a href="structresumef_1_1when__.html#a1d453b444cfaa704cf7a1da01eed49b9">resumef::when_::when_all</a></div><div class="ttdeci">auto when_all(_Awaitable &amp;&amp;... args) -&gt; future_t&lt; std::tuple&lt; detail::awaitor_result_t&lt; _Awaitable &gt;... &gt;&gt;</div><div class="ttdoc">等待所有的可等待对象完成，不定参数版。</div><div class="ttdef"><b>Definition:</b> when_v2.h:339</div></div>

  498. <div class="ttc" id="astructresumef_1_1when___html"><div class="ttname"><a href="structresumef_1_1when__.html">resumef::when_</a></div><div class="ttdoc">目前不知道怎么在doxygen里面能搜集到全局函数的文档。故用一个结构体来欺骗doxygen。</div><div class="ttdef"><b>Definition:</b> when_v2.h:262</div></div>

  499. <div class="ttc" id="astructresumef_1_1when___html_a4ec23495051e2b682f27ce0b3d527305"><div class="ttname"><a href="structresumef_1_1when__.html#a4ec23495051e2b682f27ce0b3d527305">resumef::when_::when_any</a></div><div class="ttdeci">auto when_any(_Awaitable &amp;&amp;... args) -&gt; future_t&lt; when_any_pair &gt;</div><div class="ttdoc">等待任一的可等待对象完成，不定参数版。</div><div class="ttdef"><b>Definition:</b> when_v2.h:457</div></div>

  500. <div class="ttc" id="astructresumef_1_1when___html_af4fe05b26abdab4ff00505ce56674ef9"><div class="ttname"><a href="structresumef_1_1when__.html#af4fe05b26abdab4ff00505ce56674ef9">resumef::when_::when_any</a></div><div class="ttdeci">auto when_any(scheduler_t &amp;sch, _Awaitable &amp;&amp;... args) -&gt; detail::when_future_t&lt; when_any_pair &gt;</div><div class="ttdoc">等待任一的可等待对象完成，不定参数版。</div><div class="ttdef"><b>Definition:</b> when_v2.h:395</div></div>

  501. <div class="ttc" id="astructresumef_1_1future__t_html"><div class="ttname"><a href="structresumef_1_1future__t.html">resumef::future_t</a></div><div class="ttdoc">用于resumef协程的返回值。</div><div class="ttdef"><b>Definition:</b> future.h:14</div></div>

  502. <div class="ttc" id="astructresumef_1_1when___html_a29810e8fe2efbfb395669971758182fe"><div class="ttname"><a href="structresumef_1_1when__.html#a29810e8fe2efbfb395669971758182fe">resumef::when_::when_all</a></div><div class="ttdeci">auto when_all(scheduler_t &amp;sch, _Iter begin, _Iter end) -&gt; detail::when_future_t&lt; std::vector&lt; detail::awaitor_result_t&lt; decltype(*std::declval&lt; _Iter &gt;())&gt; &gt; &gt;</div><div class="ttdoc">等待所有的可等待对象完成，迭代器版。</div><div class="ttdef"><b>Definition:</b> when_v2.h:299</div></div>

  503. <div class="ttc" id="astructresumef_1_1when___html_a5eb64c53feea7f37b643f9b9c3faf685"><div class="ttname"><a href="structresumef_1_1when__.html#a5eb64c53feea7f37b643f9b9c3faf685">resumef::when_::when_any</a></div><div class="ttdeci">auto when_any(scheduler_t &amp;sch, _Iter begin, _Iter end) -&gt; detail::when_future_t&lt; when_any_pair &gt;</div><div class="ttdoc">等待任一的可等待对象完成，迭代器版。</div><div class="ttdef"><b>Definition:</b> when_v2.h:419</div></div>

  504. <div class="ttc" id="astructresumef_1_1when___html_a753478e5b7b3df202efc98c0274484e8"><div class="ttname"><a href="structresumef_1_1when__.html#a753478e5b7b3df202efc98c0274484e8">resumef::when_::when_any</a></div><div class="ttdeci">auto when_any(scheduler_t &amp;sch, _Cont &amp;cont) -&gt; detail::when_future_t&lt; when_any_pair &gt;</div><div class="ttdoc">等待任一的可等待对象完成，容器版。</div><div class="ttdef"><b>Definition:</b> when_v2.h:440</div></div>

  505. <div class="ttc" id="astructresumef_1_1when___html_a0b9b2f88f5c8cd76dd8d1c70926cc029"><div class="ttname"><a href="structresumef_1_1when__.html#a0b9b2f88f5c8cd76dd8d1c70926cc029">resumef::when_::when_any</a></div><div class="ttdeci">auto when_any(_Cont &amp;&amp;cont) -&gt; future_t&lt; when_any_pair &gt;</div><div class="ttdoc">等待任一的可等待对象完成，容器版。</div><div class="ttdef"><b>Definition:</b> when_v2.h:494</div></div>

  506. <div class="ttc" id="astructresumef_1_1when___html_a9b8ec7229b5c7dd7c2ae58d3365799dc"><div class="ttname"><a href="structresumef_1_1when__.html#a9b8ec7229b5c7dd7c2ae58d3365799dc">resumef::when_::when_all</a></div><div class="ttdeci">auto when_all(_Iter begin, _Iter end) -&gt; future_t&lt; std::vector&lt; detail::awaitor_result_t&lt; decltype(*begin)&gt;&gt;&gt;</div><div class="ttdoc">等待所有的可等待对象完成，迭代器版。</div><div class="ttdef"><b>Definition:</b> when_v2.h:358</div></div>

  507. <div class="ttc" id="astructresumef_1_1when___html_a6ba9218688af965ccf6d4bd9e98b152a"><div class="ttname"><a href="structresumef_1_1when__.html#a6ba9218688af965ccf6d4bd9e98b152a">resumef::when_::when_all</a></div><div class="ttdeci">auto when_all(scheduler_t &amp;sch, _Awaitable &amp;&amp;... args) -&gt; detail::when_future_t&lt; std::tuple&lt; detail::awaitor_result_t&lt; _Awaitable &gt;... &gt; &gt;</div><div class="ttdoc">等待所有的可等待对象完成，不定参数版。</div><div class="ttdef"><b>Definition:</b> when_v2.h:276</div></div>

  508. <div class="ttc" id="astructresumef_1_1when___html_aa2a8218ff1eb6cb48fb981310a284b84"><div class="ttname"><a href="structresumef_1_1when__.html#aa2a8218ff1eb6cb48fb981310a284b84">resumef::when_::when_all</a></div><div class="ttdeci">auto when_all(_Cont &amp;&amp;cont) -&gt; future_t&lt; std::vector&lt; detail::awaitor_result_t&lt; decltype(*std::begin(cont))&gt;&gt;&gt;</div><div class="ttdoc">等待所有的可等待对象完成，容器版。</div><div class="ttdef"><b>Definition:</b> when_v2.h:376</div></div>

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