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<a href=#2 id=2 data-nosnippet>2</a>///
<a href=#3 id=3 data-nosnippet>3</a>/// This module includes basic async helpers like sleep, race, join, cancellation tokens,
<a href=#4 id=4 data-nosnippet>4</a>/// and mutex creation, leveraging smol runtime for optimal performance.
<a href=#5 id=5 data-nosnippet>5</a></span><span class="comment">// Standard library imports
<a href=#6 id=6 data-nosnippet>6</a></span><span class="kw">use </span>std::time::Duration;
<a href=#7 id=7 data-nosnippet>7</a>
<a href=#8 id=8 data-nosnippet>8</a><span class="comment">// External crate imports
<a href=#9 id=9 data-nosnippet>9</a></span><span class="kw">use </span>futures_lite;
<a href=#10 id=10 data-nosnippet>10</a><span class="kw">use </span>parking_lot::Mutex;
<a href=#11 id=11 data-nosnippet>11</a><span class="kw">use </span>smol::Timer;
<a href=#12 id=12 data-nosnippet>12</a><span class="kw">use </span>smol_cancellation_token::CancellationToken;
<a href=#13 id=13 data-nosnippet>13</a>
<a href=#14 id=14 data-nosnippet>14</a><span class="doccomment">/// Async sleep helper
<a href=#15 id=15 data-nosnippet>15</a></span><span class="kw">pub async fn </span>sleep_for(duration: Duration) {
<a href=#16 id=16 data-nosnippet>16</a> Timer::after(duration).<span class="kw">await</span>;
<a href=#17 id=17 data-nosnippet>17</a>}
<a href=#18 id=18 data-nosnippet>18</a>
<a href=#19 id=19 data-nosnippet>19</a><span class="doccomment">/// Futures-lite helper: race two futures
<a href=#20 id=20 data-nosnippet>20</a></span><span class="kw">pub async fn </span>race<T, F1, F2>(f1: F1, f2: F2) -> T
<a href=#21 id=21 data-nosnippet>21</a><span class="kw">where
<a href=#22 id=22 data-nosnippet>22</a> </span>F1: std::future::Future<Output = T>,
<a href=#23 id=23 data-nosnippet>23</a> F2: std::future::Future<Output = T>,
<a href=#24 id=24 data-nosnippet>24</a>{
<a href=#25 id=25 data-nosnippet>25</a> futures_lite::future::race(f1, f2).<span class="kw">await
<a href=#26 id=26 data-nosnippet>26</a></span>}
<a href=#27 id=27 data-nosnippet>27</a>
<a href=#28 id=28 data-nosnippet>28</a><span class="doccomment">/// Futures-lite helper: join two futures
<a href=#29 id=29 data-nosnippet>29</a></span><span class="kw">pub async fn </span>join<T1, T2, F1, F2>(f1: F1, f2: F2) -> (T1, T2)
<a href=#30 id=30 data-nosnippet>30</a><span class="kw">where
<a href=#31 id=31 data-nosnippet>31</a> </span>F1: std::future::Future<Output = T1>,
<a href=#32 id=32 data-nosnippet>32</a> F2: std::future::Future<Output = T2>,
<a href=#33 id=33 data-nosnippet>33</a>{
<a href=#34 id=34 data-nosnippet>34</a> futures_lite::future::zip(f1, f2).<span class="kw">await
<a href=#35 id=35 data-nosnippet>35</a></span>}
<a href=#36 id=36 data-nosnippet>36</a>
<a href=#37 id=37 data-nosnippet>37</a><span class="doccomment">/// Cancellation token helper
<a href=#38 id=38 data-nosnippet>38</a></span><span class="attr">#[must_use]
<a href=#39 id=39 data-nosnippet>39</a></span><span class="kw">pub fn </span>create_cancellation_token() -> CancellationToken {
<a href=#40 id=40 data-nosnippet>40</a> CancellationToken::new()
<a href=#41 id=41 data-nosnippet>41</a>}
<a href=#42 id=42 data-nosnippet>42</a>
<a href=#43 id=43 data-nosnippet>43</a><span class="doccomment">/// Run a future with cancellation
<a href=#44 id=44 data-nosnippet>44</a></span><span class="kw">pub async fn </span>with_cancellation<T, F>(token: <span class="kw-2">&</span>CancellationToken, future: F) -> <span class="prelude-ty">Option</span><T>
<a href=#45 id=45 data-nosnippet>45</a><span class="kw">where
<a href=#46 id=46 data-nosnippet>46</a> </span>F: std::future::Future<Output = T>,
<a href=#47 id=47 data-nosnippet>47</a>{
<a href=#48 id=48 data-nosnippet>48</a> futures_lite::future::or(
<a href=#49 id=49 data-nosnippet>49</a> <span class="kw">async </span>{
<a href=#50 id=50 data-nosnippet>50</a> token.cancelled().<span class="kw">await</span>;
<a href=#51 id=51 data-nosnippet>51</a> <span class="prelude-val">None
<a href=#52 id=52 data-nosnippet>52</a> </span>},
<a href=#53 id=53 data-nosnippet>53</a> <span class="kw">async </span>{ <span class="prelude-val">Some</span>(future.<span class="kw">await</span>) },
<a href=#54 id=54 data-nosnippet>54</a> )
<a href=#55 id=55 data-nosnippet>55</a> .<span class="kw">await
<a href=#56 id=56 data-nosnippet>56</a></span>}
<a href=#57 id=57 data-nosnippet>57</a>
<a href=#58 id=58 data-nosnippet>58</a><span class="doccomment">/// Parking lot mutex helper
<a href=#59 id=59 data-nosnippet>59</a></span><span class="kw">pub fn </span>create_mutex<T>(value: T) -> Mutex<T> {
<a href=#60 id=60 data-nosnippet>60</a> Mutex::new(value)
<a href=#61 id=61 data-nosnippet>61</a>}</code></pre></div></section></main></body></html>