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<div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="preprocessor">#pragma once</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span> </div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span><span class="preprocessor">#include "graph.hpp"</span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span></div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span> </div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespacetf.html">tf</a> {</div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span> </div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span><span class="comment">// ----------------------------------------------------------------------------</span></div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span><span class="comment">// AsyncTask</span></div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span><span class="comment">// ----------------------------------------------------------------------------</span></div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span></div>
<div class="foldopen" id="foldopen00045" data-start="{" data-end="};">
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"><a class="line" href="classtf_1_1AsyncTask.html"> 45</a></span><span class="keyword">class </span><a class="code hl_function" href="classtf_1_1AsyncTask.html#a68689c79c7d794a8be2e1c181c818001">AsyncTask</a> {</div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span> </div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span> <span class="keyword">friend</span> <span class="keyword">class </span>Executor;</div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span> </div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span> <span class="keyword">public</span>:</div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span> </div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"><a class="line" href="classtf_1_1AsyncTask.html#a68689c79c7d794a8be2e1c181c818001"> 54</a></span> <a class="code hl_function" href="classtf_1_1AsyncTask.html#a68689c79c7d794a8be2e1c181c818001">AsyncTask</a>() = <span class="keywordflow">default</span>;</div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span> </div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> <a class="code hl_function" href="classtf_1_1AsyncTask.html#a148ddcabda8fd44746b278499cd4cb53">~AsyncTask</a>();</div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> </div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> <a class="code hl_function" href="classtf_1_1AsyncTask.html#a68689c79c7d794a8be2e1c181c818001">AsyncTask</a>(<span class="keyword">const</span> <a class="code hl_function" href="classtf_1_1AsyncTask.html#a68689c79c7d794a8be2e1c181c818001">AsyncTask</a>& rhs);</div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span></div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> <a class="code hl_function" href="classtf_1_1AsyncTask.html#a68689c79c7d794a8be2e1c181c818001">AsyncTask</a>(<a class="code hl_function" href="classtf_1_1AsyncTask.html#a68689c79c7d794a8be2e1c181c818001">AsyncTask</a>&& rhs);</div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> </div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> <a class="code hl_function" href="classtf_1_1AsyncTask.html#a68689c79c7d794a8be2e1c181c818001">AsyncTask</a>& <a class="code hl_function" href="classtf_1_1AsyncTask.html#a14fa18d27a02c41e01b48ea07e87f5c5">operator = </a>(<span class="keyword">const</span> <a class="code hl_function" href="classtf_1_1AsyncTask.html#a68689c79c7d794a8be2e1c181c818001">AsyncTask</a>& rhs);</div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span></div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> <a class="code hl_function" href="classtf_1_1AsyncTask.html#a68689c79c7d794a8be2e1c181c818001">AsyncTask</a>& <a class="code hl_function" href="classtf_1_1AsyncTask.html#a14fa18d27a02c41e01b48ea07e87f5c5">operator = </a>(<a class="code hl_function" href="classtf_1_1AsyncTask.html#a68689c79c7d794a8be2e1c181c818001">AsyncTask</a>&& rhs);</div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> </div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span> <span class="keywordtype">bool</span> <a class="code hl_function" href="classtf_1_1AsyncTask.html#ae42c70dc0c5edc6d58f47b346125fca3">empty</a>() <span class="keyword">const</span>;</div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span></div>
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span> <span class="keywordtype">void</span> <a class="code hl_function" href="classtf_1_1AsyncTask.html#a7c12835577fbdc1bca3190cf92c78088">reset</a>();</div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> </div>
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span> <span class="keywordtype">size_t</span> <a class="code hl_function" href="classtf_1_1AsyncTask.html#a826a2ea909094f5a26c2df876de58056">hash_value</a>() <span class="keyword">const</span>;</div>
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span></div>
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span> <span class="keywordtype">size_t</span> <a class="code hl_function" href="classtf_1_1AsyncTask.html#a6a4a54030f57d1ef05c04ae01825165d">use_count</a>() <span class="keyword">const</span>;</div>
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span></div>
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span> <span class="keywordtype">bool</span> <a class="code hl_function" href="classtf_1_1AsyncTask.html#aefeefa30d7cafdfbb7dc8def542e8e51">is_done</a>() <span class="keyword">const</span>; </div>
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno"> 158</span> </div>
<div class="line"><a id="l00178" name="l00178"></a><span class="lineno"> 178</span> std::exception_ptr <a class="code hl_function" href="classtf_1_1AsyncTask.html#aace6e20ee4cb6f82812cf498d0d9828f">exception_ptr</a>() <span class="keyword">const</span>;</div>
<div class="line"><a id="l00179" name="l00179"></a><span class="lineno"> 179</span> </div>
<div class="line"><a id="l00185" name="l00185"></a><span class="lineno"> 185</span> <span class="keywordtype">bool</span> <a class="code hl_function" href="classtf_1_1AsyncTask.html#a7f72d09a1cfc7a3a4e5377b7906fec76">has_exception_ptr</a>() <span class="keyword">const</span>;</div>
<div class="line"><a id="l00186" name="l00186"></a><span class="lineno"> 186</span> </div>
<div class="line"><a id="l00187" name="l00187"></a><span class="lineno"> 187</span> <span class="keyword">private</span>:</div>
<div class="line"><a id="l00188" name="l00188"></a><span class="lineno"> 188</span> </div>
<div class="line"><a id="l00189" name="l00189"></a><span class="lineno"> 189</span> <span class="keyword">explicit</span> <a class="code hl_function" href="classtf_1_1AsyncTask.html#a68689c79c7d794a8be2e1c181c818001">AsyncTask</a>(Node*);</div>
<div class="line"><a id="l00190" name="l00190"></a><span class="lineno"> 190</span> </div>
<div class="line"><a id="l00191" name="l00191"></a><span class="lineno"> 191</span> Node* _node {<span class="keyword">nullptr</span>};</div>
<div class="line"><a id="l00192" name="l00192"></a><span class="lineno"> 192</span> </div>
<div class="line"><a id="l00193" name="l00193"></a><span class="lineno"> 193</span> <span class="keywordtype">void</span> _incref();</div>
<div class="line"><a id="l00194" name="l00194"></a><span class="lineno"> 194</span> <span class="keywordtype">void</span> _decref();</div>
<div class="line"><a id="l00195" name="l00195"></a><span class="lineno"> 195</span>};</div>
</div>
<div class="line"><a id="l00196" name="l00196"></a><span class="lineno"> 196</span> </div>
<div class="line"><a id="l00197" name="l00197"></a><span class="lineno"> 197</span><span class="comment">// Constructor</span></div>
<div class="line"><a id="l00198" name="l00198"></a><span class="lineno"> 198</span><span class="keyword">inline</span> <a class="code hl_function" href="classtf_1_1AsyncTask.html#a68689c79c7d794a8be2e1c181c818001">AsyncTask::AsyncTask</a>(Node* ptr) : _node{ptr} {</div>
<div class="line"><a id="l00199" name="l00199"></a><span class="lineno"> 199</span> _incref();</div>
<div class="line"><a id="l00200" name="l00200"></a><span class="lineno"> 200</span>}</div>
<div class="line"><a id="l00201" name="l00201"></a><span class="lineno"> 201</span> </div>
<div class="line"><a id="l00202" name="l00202"></a><span class="lineno"> 202</span><span class="comment">// Function: _incref</span></div>
<div class="line"><a id="l00203" name="l00203"></a><span class="lineno"> 203</span><span class="keyword">inline</span> <span class="keywordtype">void</span> AsyncTask::_incref() {</div>
<div class="line"><a id="l00204" name="l00204"></a><span class="lineno"> 204</span> <span class="keywordflow">if</span>(_node) {</div>
<div class="line"><a id="l00205" name="l00205"></a><span class="lineno"> 205</span> <span class="comment">// increment the refcount packed in the lower 24 bits of _estate —</span></div>
<div class="line"><a id="l00206" name="l00206"></a><span class="lineno"> 206</span> <span class="comment">// no std::get_if needed since we know this node is DependentAsync</span></div>
<div class="line"><a id="l00207" name="l00207"></a><span class="lineno"> 207</span> _node->_estate.fetch_add(ESTATE::REFCOUNT_ONE, std::memory_order_relaxed);</div>
<div class="line"><a id="l00208" name="l00208"></a><span class="lineno"> 208</span> }</div>
<div class="line"><a id="l00209" name="l00209"></a><span class="lineno"> 209</span>}</div>
<div class="line"><a id="l00210" name="l00210"></a><span class="lineno"> 210</span> </div>
<div class="line"><a id="l00211" name="l00211"></a><span class="lineno"> 211</span><span class="comment">// Function: _decref</span></div>
<div class="line"><a id="l00212" name="l00212"></a><span class="lineno"> 212</span><span class="keyword">inline</span> <span class="keywordtype">void</span> AsyncTask::_decref() {</div>
<div class="line"><a id="l00213" name="l00213"></a><span class="lineno"> 213</span> <span class="keywordflow">if</span>(_node) {</div>
<div class="line"><a id="l00214" name="l00214"></a><span class="lineno"> 214</span> <span class="comment">// decrement the refcount packed in the lower 24 bits of _estate.</span></div>
<div class="line"><a id="l00215" name="l00215"></a><span class="lineno"> 215</span> <span class="comment">// mask out the state bits before comparing so we only check the refcount.</span></div>
<div class="line"><a id="l00216" name="l00216"></a><span class="lineno"> 216</span> <span class="comment">// if it reaches zero, no owners remain and we recycle the node.</span></div>
<div class="line"><a id="l00217" name="l00217"></a><span class="lineno"> 217</span> <span class="keywordflow">if</span>((_node->_estate.fetch_sub(ESTATE::REFCOUNT_ONE, std::memory_order_acq_rel)</div>
<div class="line"><a id="l00218" name="l00218"></a><span class="lineno"> 218</span> & ESTATE::REFCOUNT_MASK) == ESTATE::REFCOUNT_ONE) {</div>
<div class="line"><a id="l00219" name="l00219"></a><span class="lineno"> 219</span> recycle(_node);</div>
<div class="line"><a id="l00220" name="l00220"></a><span class="lineno"> 220</span> }</div>
<div class="line"><a id="l00221" name="l00221"></a><span class="lineno"> 221</span> }</div>
<div class="line"><a id="l00222" name="l00222"></a><span class="lineno"> 222</span>}</div>
<div class="line"><a id="l00223" name="l00223"></a><span class="lineno"> 223</span> </div>
<div class="line"><a id="l00224" name="l00224"></a><span class="lineno"> 224</span><span class="comment">// Copy Constructor</span></div>
<div class="foldopen" id="foldopen00225" data-start="{" data-end="}">
<div class="line"><a id="l00225" name="l00225"></a><span class="lineno"><a class="line" href="classtf_1_1AsyncTask.html#a682bc679a773da5e45714f71c8137f70"> 225</a></span><span class="keyword">inline</span> <a class="code hl_function" href="classtf_1_1AsyncTask.html#a68689c79c7d794a8be2e1c181c818001">AsyncTask::AsyncTask</a>(<span class="keyword">const</span> <a class="code hl_function" href="classtf_1_1AsyncTask.html#a68689c79c7d794a8be2e1c181c818001">AsyncTask</a>& rhs) : </div>
<div class="line"><a id="l00226" name="l00226"></a><span class="lineno"> 226</span> _node{rhs._node} {</div>
<div class="line"><a id="l00227" name="l00227"></a><span class="lineno"> 227</span> _incref();</div>
<div class="line"><a id="l00228" name="l00228"></a><span class="lineno"> 228</span>}</div>
</div>
<div class="line"><a id="l00229" name="l00229"></a><span class="lineno"> 229</span> </div>
<div class="line"><a id="l00230" name="l00230"></a><span class="lineno"> 230</span><span class="comment">// Move Constructor</span></div>
<div class="foldopen" id="foldopen00231" data-start="{" data-end="}">
<div class="line"><a id="l00231" name="l00231"></a><span class="lineno"><a class="line" href="classtf_1_1AsyncTask.html#a5a31f85d2ee542f62e784d551ec78896"> 231</a></span><span class="keyword">inline</span> <a class="code hl_function" href="classtf_1_1AsyncTask.html#a68689c79c7d794a8be2e1c181c818001">AsyncTask::AsyncTask</a>(<a class="code hl_function" href="classtf_1_1AsyncTask.html#a68689c79c7d794a8be2e1c181c818001">AsyncTask</a>&& rhs) :</div>
<div class="line"><a id="l00232" name="l00232"></a><span class="lineno"> 232</span> _node {rhs._node} {</div>
<div class="line"><a id="l00233" name="l00233"></a><span class="lineno"> 233</span> rhs._node = <span class="keyword">nullptr</span>;</div>
<div class="line"><a id="l00234" name="l00234"></a><span class="lineno"> 234</span>}</div>
</div>
<div class="line"><a id="l00235" name="l00235"></a><span class="lineno"> 235</span> </div>
<div class="line"><a id="l00236" name="l00236"></a><span class="lineno"> 236</span><span class="comment">// Destructor</span></div>
<div class="foldopen" id="foldopen00237" data-start="{" data-end="}">
<div class="line"><a id="l00237" name="l00237"></a><span class="lineno"><a class="line" href="classtf_1_1AsyncTask.html#a148ddcabda8fd44746b278499cd4cb53"> 237</a></span><span class="keyword">inline</span> <a class="code hl_function" href="classtf_1_1AsyncTask.html#a148ddcabda8fd44746b278499cd4cb53">AsyncTask::~AsyncTask</a>() {</div>
<div class="line"><a id="l00238" name="l00238"></a><span class="lineno"> 238</span> _decref();</div>
<div class="line"><a id="l00239" name="l00239"></a><span class="lineno"> 239</span>}</div>
</div>
<div class="line"><a id="l00240" name="l00240"></a><span class="lineno"> 240</span> </div>
<div class="line"><a id="l00241" name="l00241"></a><span class="lineno"> 241</span><span class="comment">// Copy assignment</span></div>
<div class="foldopen" id="foldopen00242" data-start="{" data-end="}">
<div class="line"><a id="l00242" name="l00242"></a><span class="lineno"><a class="line" href="classtf_1_1AsyncTask.html#a14fa18d27a02c41e01b48ea07e87f5c5"> 242</a></span><span class="keyword">inline</span> <a class="code hl_function" href="classtf_1_1AsyncTask.html#a68689c79c7d794a8be2e1c181c818001">AsyncTask</a>& <a class="code hl_function" href="classtf_1_1AsyncTask.html#a14fa18d27a02c41e01b48ea07e87f5c5">AsyncTask::operator = </a>(<span class="keyword">const</span> <a class="code hl_function" href="classtf_1_1AsyncTask.html#a68689c79c7d794a8be2e1c181c818001">AsyncTask</a>& rhs) {</div>
<div class="line"><a id="l00243" name="l00243"></a><span class="lineno"> 243</span> _decref();</div>
<div class="line"><a id="l00244" name="l00244"></a><span class="lineno"> 244</span> _node = rhs._node;</div>
<div class="line"><a id="l00245" name="l00245"></a><span class="lineno"> 245</span> _incref();</div>
<div class="line"><a id="l00246" name="l00246"></a><span class="lineno"> 246</span> <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
<div class="line"><a id="l00247" name="l00247"></a><span class="lineno"> 247</span>}</div>
</div>
<div class="line"><a id="l00248" name="l00248"></a><span class="lineno"> 248</span> </div>
<div class="line"><a id="l00249" name="l00249"></a><span class="lineno"> 249</span><span class="comment">// Move assignment</span></div>
<div class="foldopen" id="foldopen00250" data-start="{" data-end="}">
<div class="line"><a id="l00250" name="l00250"></a><span class="lineno"><a class="line" href="classtf_1_1AsyncTask.html#a8dc18d17f3a5d72ef4d9c20ebf7ade4a"> 250</a></span><span class="keyword">inline</span> <a class="code hl_function" href="classtf_1_1AsyncTask.html#a68689c79c7d794a8be2e1c181c818001">AsyncTask</a>& <a class="code hl_function" href="classtf_1_1AsyncTask.html#a14fa18d27a02c41e01b48ea07e87f5c5">AsyncTask::operator = </a>(<a class="code hl_function" href="classtf_1_1AsyncTask.html#a68689c79c7d794a8be2e1c181c818001">AsyncTask</a>&& rhs) {</div>
<div class="line"><a id="l00251" name="l00251"></a><span class="lineno"> 251</span> _decref();</div>
<div class="line"><a id="l00252" name="l00252"></a><span class="lineno"> 252</span> _node = rhs._node;</div>
<div class="line"><a id="l00253" name="l00253"></a><span class="lineno"> 253</span> rhs._node = <span class="keyword">nullptr</span>;</div>
<div class="line"><a id="l00254" name="l00254"></a><span class="lineno"> 254</span> <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
<div class="line"><a id="l00255" name="l00255"></a><span class="lineno"> 255</span>}</div>
</div>
<div class="line"><a id="l00256" name="l00256"></a><span class="lineno"> 256</span> </div>
<div class="line"><a id="l00257" name="l00257"></a><span class="lineno"> 257</span><span class="comment">// Function: exception</span></div>
<div class="foldopen" id="foldopen00258" data-start="{" data-end="}">
<div class="line"><a id="l00258" name="l00258"></a><span class="lineno"><a class="line" href="classtf_1_1AsyncTask.html#aace6e20ee4cb6f82812cf498d0d9828f"> 258</a></span><span class="keyword">inline</span> std::exception_ptr <a class="code hl_function" href="classtf_1_1AsyncTask.html#aace6e20ee4cb6f82812cf498d0d9828f">AsyncTask::exception_ptr</a>()<span class="keyword"> const </span>{</div>
<div class="line"><a id="l00259" name="l00259"></a><span class="lineno"> 259</span> <span class="keywordflow">return</span> _node ? _node->_exception_ptr : <span class="keyword">nullptr</span>;</div>
<div class="line"><a id="l00260" name="l00260"></a><span class="lineno"> 260</span>}</div>
</div>
<div class="line"><a id="l00261" name="l00261"></a><span class="lineno"> 261</span> </div>
<div class="line"><a id="l00262" name="l00262"></a><span class="lineno"> 262</span><span class="comment">// Function: has_exception</span></div>
<div class="foldopen" id="foldopen00263" data-start="{" data-end="}">
<div class="line"><a id="l00263" name="l00263"></a><span class="lineno"><a class="line" href="classtf_1_1AsyncTask.html#a7f72d09a1cfc7a3a4e5377b7906fec76"> 263</a></span><span class="keyword">inline</span> <span class="keywordtype">bool</span> <a class="code hl_function" href="classtf_1_1AsyncTask.html#a7f72d09a1cfc7a3a4e5377b7906fec76">AsyncTask::has_exception_ptr</a>()<span class="keyword"> const </span>{</div>
<div class="line"><a id="l00264" name="l00264"></a><span class="lineno"> 264</span> <span class="keywordflow">return</span> _node ? (_node->_exception_ptr != <span class="keyword">nullptr</span>) : <span class="keyword">false</span>;</div>
<div class="line"><a id="l00265" name="l00265"></a><span class="lineno"> 265</span>}</div>
</div>
<div class="line"><a id="l00266" name="l00266"></a><span class="lineno"> 266</span> </div>
<div class="line"><a id="l00267" name="l00267"></a><span class="lineno"> 267</span><span class="comment">// Function: empty</span></div>
<div class="foldopen" id="foldopen00268" data-start="{" data-end="}">
<div class="line"><a id="l00268" name="l00268"></a><span class="lineno"><a class="line" href="classtf_1_1AsyncTask.html#ae42c70dc0c5edc6d58f47b346125fca3"> 268</a></span><span class="keyword">inline</span> <span class="keywordtype">bool</span> <a class="code hl_function" href="classtf_1_1AsyncTask.html#ae42c70dc0c5edc6d58f47b346125fca3">AsyncTask::empty</a>()<span class="keyword"> const </span>{</div>
<div class="line"><a id="l00269" name="l00269"></a><span class="lineno"> 269</span> <span class="keywordflow">return</span> _node == <span class="keyword">nullptr</span>;</div>
<div class="line"><a id="l00270" name="l00270"></a><span class="lineno"> 270</span>}</div>
</div>
<div class="line"><a id="l00271" name="l00271"></a><span class="lineno"> 271</span> </div>
<div class="line"><a id="l00272" name="l00272"></a><span class="lineno"> 272</span><span class="comment">// Function: reset</span></div>
<div class="foldopen" id="foldopen00273" data-start="{" data-end="}">
<div class="line"><a id="l00273" name="l00273"></a><span class="lineno"><a class="line" href="classtf_1_1AsyncTask.html#a7c12835577fbdc1bca3190cf92c78088"> 273</a></span><span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code hl_function" href="classtf_1_1AsyncTask.html#a7c12835577fbdc1bca3190cf92c78088">AsyncTask::reset</a>() {</div>
<div class="line"><a id="l00274" name="l00274"></a><span class="lineno"> 274</span> _decref();</div>
<div class="line"><a id="l00275" name="l00275"></a><span class="lineno"> 275</span> _node = <span class="keyword">nullptr</span>;</div>
<div class="line"><a id="l00276" name="l00276"></a><span class="lineno"> 276</span>}</div>
</div>
<div class="line"><a id="l00277" name="l00277"></a><span class="lineno"> 277</span> </div>
<div class="line"><a id="l00278" name="l00278"></a><span class="lineno"> 278</span><span class="comment">// Function: hash_value</span></div>
<div class="foldopen" id="foldopen00279" data-start="{" data-end="}">
<div class="line"><a id="l00279" name="l00279"></a><span class="lineno"><a class="line" href="classtf_1_1AsyncTask.html#a826a2ea909094f5a26c2df876de58056"> 279</a></span><span class="keyword">inline</span> <span class="keywordtype">size_t</span> <a class="code hl_function" href="classtf_1_1AsyncTask.html#a826a2ea909094f5a26c2df876de58056">AsyncTask::hash_value</a>()<span class="keyword"> const </span>{</div>
<div class="line"><a id="l00280" name="l00280"></a><span class="lineno"> 280</span> <span class="keywordflow">return</span> std::hash<Node*>{}(_node);</div>
<div class="line"><a id="l00281" name="l00281"></a><span class="lineno"> 281</span>}</div>
</div>
<div class="line"><a id="l00282" name="l00282"></a><span class="lineno"> 282</span> </div>
<div class="line"><a id="l00283" name="l00283"></a><span class="lineno"> 283</span><span class="comment">// Function: use_count</span></div>
<div class="foldopen" id="foldopen00284" data-start="{" data-end="}">
<div class="line"><a id="l00284" name="l00284"></a><span class="lineno"><a class="line" href="classtf_1_1AsyncTask.html#a6a4a54030f57d1ef05c04ae01825165d"> 284</a></span><span class="keyword">inline</span> <span class="keywordtype">size_t</span> <a class="code hl_function" href="classtf_1_1AsyncTask.html#a6a4a54030f57d1ef05c04ae01825165d">AsyncTask::use_count</a>()<span class="keyword"> const </span>{</div>
<div class="line"><a id="l00285" name="l00285"></a><span class="lineno"> 285</span> <span class="keywordflow">return</span> _node == <span class="keyword">nullptr</span> ? <span class="keywordtype">size_t</span>{0} :</div>
<div class="line"><a id="l00286" name="l00286"></a><span class="lineno"> 286</span> <span class="keyword">static_cast<</span><span class="keywordtype">size_t</span><span class="keyword">></span>(</div>
<div class="line"><a id="l00287" name="l00287"></a><span class="lineno"> 287</span> _node->_estate.load(std::memory_order_relaxed) & ESTATE::REFCOUNT_MASK</div>
<div class="line"><a id="l00288" name="l00288"></a><span class="lineno"> 288</span> );</div>
<div class="line"><a id="l00289" name="l00289"></a><span class="lineno"> 289</span>}</div>
</div>
<div class="line"><a id="l00290" name="l00290"></a><span class="lineno"> 290</span> </div>
<div class="line"><a id="l00291" name="l00291"></a><span class="lineno"> 291</span><span class="comment">// Function: is_done</span></div>
<div class="foldopen" id="foldopen00292" data-start="{" data-end="}">
<div class="line"><a id="l00292" name="l00292"></a><span class="lineno"><a class="line" href="classtf_1_1AsyncTask.html#aefeefa30d7cafdfbb7dc8def542e8e51"> 292</a></span><span class="keyword">inline</span> <span class="keywordtype">bool</span> <a class="code hl_function" href="classtf_1_1AsyncTask.html#aefeefa30d7cafdfbb7dc8def542e8e51">AsyncTask::is_done</a>()<span class="keyword"> const </span>{</div>
<div class="line"><a id="l00293" name="l00293"></a><span class="lineno"> 293</span> <span class="keywordflow">return</span> _node == <span class="keyword">nullptr</span> ? <span class="keyword">true</span>: (_node->_estate.load(std::memory_order_acquire) & ESTATE::FINISHED);</div>
<div class="line"><a id="l00294" name="l00294"></a><span class="lineno"> 294</span>}</div>
</div>
<div class="line"><a id="l00295" name="l00295"></a><span class="lineno"> 295</span> </div>
<div class="line"><a id="l00296" name="l00296"></a><span class="lineno"> 296</span>} <span class="comment">// end of namespace tf ----------------------------------------------------</span></div>
<div class="ttc" id="aclasstf_1_1AsyncTask_html_a148ddcabda8fd44746b278499cd4cb53"><div class="ttname"><a href="classtf_1_1AsyncTask.html#a148ddcabda8fd44746b278499cd4cb53">tf::AsyncTask::~AsyncTask</a></div><div class="ttdeci">~AsyncTask()</div><div class="ttdoc">destroys the managed dependent-async task if this is the last owner</div><div class="ttdef"><b>Definition</b> async_task.hpp:237</div></div>
<div class="ttc" id="aclasstf_1_1AsyncTask_html_a14fa18d27a02c41e01b48ea07e87f5c5"><div class="ttname"><a href="classtf_1_1AsyncTask.html#a14fa18d27a02c41e01b48ea07e87f5c5">tf::AsyncTask::operator=</a></div><div class="ttdeci">AsyncTask & operator=(const AsyncTask &rhs)</div><div class="ttdoc">copy-assigns the dependent-async task from rhs</div><div class="ttdef"><b>Definition</b> async_task.hpp:242</div></div>
<div class="ttc" id="aclasstf_1_1AsyncTask_html_a68689c79c7d794a8be2e1c181c818001"><div class="ttname"><a href="classtf_1_1AsyncTask.html#a68689c79c7d794a8be2e1c181c818001">tf::AsyncTask::AsyncTask</a></div><div class="ttdeci">AsyncTask()=default</div><div class="ttdoc">constructs an empty task handle</div></div>
<div class="ttc" id="aclasstf_1_1AsyncTask_html_a6a4a54030f57d1ef05c04ae01825165d"><div class="ttname"><a href="classtf_1_1AsyncTask.html#a6a4a54030f57d1ef05c04ae01825165d">tf::AsyncTask::use_count</a></div><div class="ttdeci">size_t use_count() const</div><div class="ttdoc">returns the number of shared owners that are currently managing this dependent-async task</div><div class="ttdef"><b>Definition</b> async_task.hpp:284</div></div>
<div class="ttc" id="aclasstf_1_1AsyncTask_html_a7c12835577fbdc1bca3190cf92c78088"><div class="ttname"><a href="classtf_1_1AsyncTask.html#a7c12835577fbdc1bca3190cf92c78088">tf::AsyncTask::reset</a></div><div class="ttdeci">void reset()</div><div class="ttdoc">release the managed object of this</div><div class="ttdef"><b>Definition</b> async_task.hpp:273</div></div>
<div class="ttc" id="aclasstf_1_1AsyncTask_html_a7f72d09a1cfc7a3a4e5377b7906fec76"><div class="ttname"><a href="classtf_1_1AsyncTask.html#a7f72d09a1cfc7a3a4e5377b7906fec76">tf::AsyncTask::has_exception_ptr</a></div><div class="ttdeci">bool has_exception_ptr() const</div><div class="ttdoc">queries if the task has an exception pointer</div><div class="ttdef"><b>Definition</b> async_task.hpp:263</div></div>
<div class="ttc" id="aclasstf_1_1AsyncTask_html_a826a2ea909094f5a26c2df876de58056"><div class="ttname"><a href="classtf_1_1AsyncTask.html#a826a2ea909094f5a26c2df876de58056">tf::AsyncTask::hash_value</a></div><div class="ttdeci">size_t hash_value() const</div><div class="ttdoc">obtains the hashed value of this dependent-async task</div><div class="ttdef"><b>Definition</b> async_task.hpp:279</div></div>
<div class="ttc" id="aclasstf_1_1AsyncTask_html_aace6e20ee4cb6f82812cf498d0d9828f"><div class="ttname"><a href="classtf_1_1AsyncTask.html#aace6e20ee4cb6f82812cf498d0d9828f">tf::AsyncTask::exception_ptr</a></div><div class="ttdeci">std::exception_ptr exception_ptr() const</div><div class="ttdoc">retrieves the exception pointer of this task</div><div class="ttdef"><b>Definition</b> async_task.hpp:258</div></div>
<div class="ttc" id="aclasstf_1_1AsyncTask_html_ae42c70dc0c5edc6d58f47b346125fca3"><div class="ttname"><a href="classtf_1_1AsyncTask.html#ae42c70dc0c5edc6d58f47b346125fca3">tf::AsyncTask::empty</a></div><div class="ttdeci">bool empty() const</div><div class="ttdoc">checks if this dependent-async task is associated with any task</div><div class="ttdef"><b>Definition</b> async_task.hpp:268</div></div>
<div class="ttc" id="aclasstf_1_1AsyncTask_html_aefeefa30d7cafdfbb7dc8def542e8e51"><div class="ttname"><a href="classtf_1_1AsyncTask.html#aefeefa30d7cafdfbb7dc8def542e8e51">tf::AsyncTask::is_done</a></div><div class="ttdeci">bool is_done() const</div><div class="ttdoc">checks if this dependent-async task finishes</div><div class="ttdef"><b>Definition</b> async_task.hpp:292</div></div>
<div class="ttc" id="anamespacetf_html"><div class="ttname"><a href="namespacetf.html">tf</a></div><div class="ttdoc">taskflow namespace</div><div class="ttdef"><b>Definition</b> small_vector.hpp:20</div></div>
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