| <!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `/root/.cargo/registry/src/github.com-1ecc6299db9ec823/futures-core-0.3.28/src/stream.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>stream.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" href="../../normalize.css"><link rel="stylesheet" href="../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" href="../../ayu.css" disabled><link rel="stylesheet" href="../../dark.css" disabled><link rel="stylesheet" href="../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../storage.js"></script><script defer src="../../source-script.js"></script><script defer src="../../source-files.js"></script><script defer src="../../main.js"></script><noscript><link rel="stylesheet" href="../../noscript.css"></noscript><link rel="alternate icon" type="image/png" href="../../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../../favicon.svg"></head><body class="rustdoc source"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><a class="sidebar-logo" href="../../futures_core/index.html"><div class="logo-container"><img class="rust-logo" src="../../rust-logo.svg" alt="logo"></div></a></nav><main><div class="width-limiter"><nav class="sub"><a class="sub-logo-container" href="../../futures_core/index.html"><img class="rust-logo" src="../../rust-logo.svg" alt="logo"></a><form class="search-form"><div class="search-container"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><a href="../../help.html">?</a></div><div id="settings-menu" tabindex="-1"><a href="../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../wheel.svg"></a></div></div></form></nav><section id="main-content" class="content"><div class="example-wrap"><pre class="src-line-numbers"><span id="1">1</span> |
| <span id="2">2</span> |
| <span id="3">3</span> |
| <span id="4">4</span> |
| <span id="5">5</span> |
| <span id="6">6</span> |
| <span id="7">7</span> |
| <span id="8">8</span> |
| <span id="9">9</span> |
| <span id="10">10</span> |
| <span id="11">11</span> |
| <span id="12">12</span> |
| <span id="13">13</span> |
| <span id="14">14</span> |
| <span id="15">15</span> |
| <span id="16">16</span> |
| <span id="17">17</span> |
| <span id="18">18</span> |
| <span id="19">19</span> |
| <span id="20">20</span> |
| <span id="21">21</span> |
| <span id="22">22</span> |
| <span id="23">23</span> |
| <span id="24">24</span> |
| <span id="25">25</span> |
| <span id="26">26</span> |
| <span id="27">27</span> |
| <span id="28">28</span> |
| <span id="29">29</span> |
| <span id="30">30</span> |
| <span id="31">31</span> |
| <span id="32">32</span> |
| <span id="33">33</span> |
| <span id="34">34</span> |
| <span id="35">35</span> |
| <span id="36">36</span> |
| <span id="37">37</span> |
| <span id="38">38</span> |
| <span id="39">39</span> |
| <span id="40">40</span> |
| <span id="41">41</span> |
| <span id="42">42</span> |
| <span id="43">43</span> |
| <span id="44">44</span> |
| <span id="45">45</span> |
| <span id="46">46</span> |
| <span id="47">47</span> |
| <span id="48">48</span> |
| <span id="49">49</span> |
| <span id="50">50</span> |
| <span id="51">51</span> |
| <span id="52">52</span> |
| <span id="53">53</span> |
| <span id="54">54</span> |
| <span id="55">55</span> |
| <span id="56">56</span> |
| <span id="57">57</span> |
| <span id="58">58</span> |
| <span id="59">59</span> |
| <span id="60">60</span> |
| <span id="61">61</span> |
| <span id="62">62</span> |
| <span id="63">63</span> |
| <span id="64">64</span> |
| <span id="65">65</span> |
| <span id="66">66</span> |
| <span id="67">67</span> |
| <span id="68">68</span> |
| <span id="69">69</span> |
| <span id="70">70</span> |
| <span id="71">71</span> |
| <span id="72">72</span> |
| <span id="73">73</span> |
| <span id="74">74</span> |
| <span id="75">75</span> |
| <span id="76">76</span> |
| <span id="77">77</span> |
| <span id="78">78</span> |
| <span id="79">79</span> |
| <span id="80">80</span> |
| <span id="81">81</span> |
| <span id="82">82</span> |
| <span id="83">83</span> |
| <span id="84">84</span> |
| <span id="85">85</span> |
| <span id="86">86</span> |
| <span id="87">87</span> |
| <span id="88">88</span> |
| <span id="89">89</span> |
| <span id="90">90</span> |
| <span id="91">91</span> |
| <span id="92">92</span> |
| <span id="93">93</span> |
| <span id="94">94</span> |
| <span id="95">95</span> |
| <span id="96">96</span> |
| <span id="97">97</span> |
| <span id="98">98</span> |
| <span id="99">99</span> |
| <span id="100">100</span> |
| <span id="101">101</span> |
| <span id="102">102</span> |
| <span id="103">103</span> |
| <span id="104">104</span> |
| <span id="105">105</span> |
| <span id="106">106</span> |
| <span id="107">107</span> |
| <span id="108">108</span> |
| <span id="109">109</span> |
| <span id="110">110</span> |
| <span id="111">111</span> |
| <span id="112">112</span> |
| <span id="113">113</span> |
| <span id="114">114</span> |
| <span id="115">115</span> |
| <span id="116">116</span> |
| <span id="117">117</span> |
| <span id="118">118</span> |
| <span id="119">119</span> |
| <span id="120">120</span> |
| <span id="121">121</span> |
| <span id="122">122</span> |
| <span id="123">123</span> |
| <span id="124">124</span> |
| <span id="125">125</span> |
| <span id="126">126</span> |
| <span id="127">127</span> |
| <span id="128">128</span> |
| <span id="129">129</span> |
| <span id="130">130</span> |
| <span id="131">131</span> |
| <span id="132">132</span> |
| <span id="133">133</span> |
| <span id="134">134</span> |
| <span id="135">135</span> |
| <span id="136">136</span> |
| <span id="137">137</span> |
| <span id="138">138</span> |
| <span id="139">139</span> |
| <span id="140">140</span> |
| <span id="141">141</span> |
| <span id="142">142</span> |
| <span id="143">143</span> |
| <span id="144">144</span> |
| <span id="145">145</span> |
| <span id="146">146</span> |
| <span id="147">147</span> |
| <span id="148">148</span> |
| <span id="149">149</span> |
| <span id="150">150</span> |
| <span id="151">151</span> |
| <span id="152">152</span> |
| <span id="153">153</span> |
| <span id="154">154</span> |
| <span id="155">155</span> |
| <span id="156">156</span> |
| <span id="157">157</span> |
| <span id="158">158</span> |
| <span id="159">159</span> |
| <span id="160">160</span> |
| <span id="161">161</span> |
| <span id="162">162</span> |
| <span id="163">163</span> |
| <span id="164">164</span> |
| <span id="165">165</span> |
| <span id="166">166</span> |
| <span id="167">167</span> |
| <span id="168">168</span> |
| <span id="169">169</span> |
| <span id="170">170</span> |
| <span id="171">171</span> |
| <span id="172">172</span> |
| <span id="173">173</span> |
| <span id="174">174</span> |
| <span id="175">175</span> |
| <span id="176">176</span> |
| <span id="177">177</span> |
| <span id="178">178</span> |
| <span id="179">179</span> |
| <span id="180">180</span> |
| <span id="181">181</span> |
| <span id="182">182</span> |
| <span id="183">183</span> |
| <span id="184">184</span> |
| <span id="185">185</span> |
| <span id="186">186</span> |
| <span id="187">187</span> |
| <span id="188">188</span> |
| <span id="189">189</span> |
| <span id="190">190</span> |
| <span id="191">191</span> |
| <span id="192">192</span> |
| <span id="193">193</span> |
| <span id="194">194</span> |
| <span id="195">195</span> |
| <span id="196">196</span> |
| <span id="197">197</span> |
| <span id="198">198</span> |
| <span id="199">199</span> |
| <span id="200">200</span> |
| <span id="201">201</span> |
| <span id="202">202</span> |
| <span id="203">203</span> |
| <span id="204">204</span> |
| <span id="205">205</span> |
| <span id="206">206</span> |
| <span id="207">207</span> |
| <span id="208">208</span> |
| <span id="209">209</span> |
| <span id="210">210</span> |
| <span id="211">211</span> |
| <span id="212">212</span> |
| <span id="213">213</span> |
| <span id="214">214</span> |
| <span id="215">215</span> |
| <span id="216">216</span> |
| <span id="217">217</span> |
| <span id="218">218</span> |
| <span id="219">219</span> |
| <span id="220">220</span> |
| <span id="221">221</span> |
| <span id="222">222</span> |
| <span id="223">223</span> |
| <span id="224">224</span> |
| <span id="225">225</span> |
| <span id="226">226</span> |
| <span id="227">227</span> |
| <span id="228">228</span> |
| <span id="229">229</span> |
| <span id="230">230</span> |
| <span id="231">231</span> |
| <span id="232">232</span> |
| <span id="233">233</span> |
| <span id="234">234</span> |
| <span id="235">235</span> |
| </pre><pre class="rust"><code><span class="doccomment">//! Asynchronous streams. |
| |
| </span><span class="kw">use </span>core::ops::DerefMut; |
| <span class="kw">use </span>core::pin::Pin; |
| <span class="kw">use </span>core::task::{Context, Poll}; |
| |
| <span class="doccomment">/// An owned dynamically typed [`Stream`] for use in cases where you can't |
| /// statically type your result or need to add some indirection. |
| </span><span class="attribute">#[cfg(feature = <span class="string">"alloc"</span>)] |
| </span><span class="kw">pub type </span>BoxStream<<span class="lifetime">'a</span>, T> = Pin<alloc::boxed::Box<<span class="kw">dyn </span>Stream<Item = T> + Send + <span class="lifetime">'a</span>>>; |
| |
| <span class="doccomment">/// `BoxStream`, but without the `Send` requirement. |
| </span><span class="attribute">#[cfg(feature = <span class="string">"alloc"</span>)] |
| </span><span class="kw">pub type </span>LocalBoxStream<<span class="lifetime">'a</span>, T> = Pin<alloc::boxed::Box<<span class="kw">dyn </span>Stream<Item = T> + <span class="lifetime">'a</span>>>; |
| |
| <span class="doccomment">/// A stream of values produced asynchronously. |
| /// |
| /// If `Future<Output = T>` is an asynchronous version of `T`, then `Stream<Item |
| /// = T>` is an asynchronous version of `Iterator<Item = T>`. A stream |
| /// represents a sequence of value-producing events that occur asynchronously to |
| /// the caller. |
| /// |
| /// The trait is modeled after `Future`, but allows `poll_next` to be called |
| /// even after a value has been produced, yielding `None` once the stream has |
| /// been fully exhausted. |
| </span><span class="attribute">#[must_use = <span class="string">"streams do nothing unless polled"</span>] |
| </span><span class="kw">pub trait </span>Stream { |
| <span class="doccomment">/// Values yielded by the stream. |
| </span><span class="kw">type </span>Item; |
| |
| <span class="doccomment">/// Attempt to pull out the next value of this stream, registering the |
| /// current task for wakeup if the value is not yet available, and returning |
| /// `None` if the stream is exhausted. |
| /// |
| /// # Return value |
| /// |
| /// There are several possible return values, each indicating a distinct |
| /// stream state: |
| /// |
| /// - `Poll::Pending` means that this stream's next value is not ready |
| /// yet. Implementations will ensure that the current task will be notified |
| /// when the next value may be ready. |
| /// |
| /// - `Poll::Ready(Some(val))` means that the stream has successfully |
| /// produced a value, `val`, and may produce further values on subsequent |
| /// `poll_next` calls. |
| /// |
| /// - `Poll::Ready(None)` means that the stream has terminated, and |
| /// `poll_next` should not be invoked again. |
| /// |
| /// # Panics |
| /// |
| /// Once a stream has finished (returned `Ready(None)` from `poll_next`), calling its |
| /// `poll_next` method again may panic, block forever, or cause other kinds of |
| /// problems; the `Stream` trait places no requirements on the effects of |
| /// such a call. However, as the `poll_next` method is not marked `unsafe`, |
| /// Rust's usual rules apply: calls must never cause undefined behavior |
| /// (memory corruption, incorrect use of `unsafe` functions, or the like), |
| /// regardless of the stream's state. |
| /// |
| /// If this is difficult to guard against then the [`fuse`] adapter can be used |
| /// to ensure that `poll_next` always returns `Ready(None)` in subsequent |
| /// calls. |
| /// |
| /// [`fuse`]: https://docs.rs/futures/0.3/futures/stream/trait.StreamExt.html#method.fuse |
| </span><span class="kw">fn </span>poll_next(<span class="self">self</span>: Pin<<span class="kw-2">&mut </span><span class="self">Self</span>>, cx: <span class="kw-2">&mut </span>Context<<span class="lifetime">'_</span>>) -> Poll<<span class="prelude-ty">Option</span><<span class="self">Self</span>::Item>>; |
| |
| <span class="doccomment">/// Returns the bounds on the remaining length of the stream. |
| /// |
| /// Specifically, `size_hint()` returns a tuple where the first element |
| /// is the lower bound, and the second element is the upper bound. |
| /// |
| /// The second half of the tuple that is returned is an [`Option`]`<`[`usize`]`>`. |
| /// A [`None`] here means that either there is no known upper bound, or the |
| /// upper bound is larger than [`usize`]. |
| /// |
| /// # Implementation notes |
| /// |
| /// It is not enforced that a stream implementation yields the declared |
| /// number of elements. A buggy stream may yield less than the lower bound |
| /// or more than the upper bound of elements. |
| /// |
| /// `size_hint()` is primarily intended to be used for optimizations such as |
| /// reserving space for the elements of the stream, but must not be |
| /// trusted to e.g., omit bounds checks in unsafe code. An incorrect |
| /// implementation of `size_hint()` should not lead to memory safety |
| /// violations. |
| /// |
| /// That said, the implementation should provide a correct estimation, |
| /// because otherwise it would be a violation of the trait's protocol. |
| /// |
| /// The default implementation returns `(0, `[`None`]`)` which is correct for any |
| /// stream. |
| </span><span class="attribute">#[inline] |
| </span><span class="kw">fn </span>size_hint(<span class="kw-2">&</span><span class="self">self</span>) -> (usize, <span class="prelude-ty">Option</span><usize>) { |
| (<span class="number">0</span>, <span class="prelude-val">None</span>) |
| } |
| } |
| |
| <span class="kw">impl</span><S: <span class="question-mark">?</span>Sized + Stream + Unpin> Stream <span class="kw">for </span><span class="kw-2">&mut </span>S { |
| <span class="kw">type </span>Item = S::Item; |
| |
| <span class="kw">fn </span>poll_next(<span class="kw-2">mut </span><span class="self">self</span>: Pin<<span class="kw-2">&mut </span><span class="self">Self</span>>, cx: <span class="kw-2">&mut </span>Context<<span class="lifetime">'_</span>>) -> Poll<<span class="prelude-ty">Option</span><<span class="self">Self</span>::Item>> { |
| S::poll_next(Pin::new(<span class="kw-2">&mut **</span><span class="self">self</span>), cx) |
| } |
| |
| <span class="kw">fn </span>size_hint(<span class="kw-2">&</span><span class="self">self</span>) -> (usize, <span class="prelude-ty">Option</span><usize>) { |
| (<span class="kw-2">**</span><span class="self">self</span>).size_hint() |
| } |
| } |
| |
| <span class="kw">impl</span><P> Stream <span class="kw">for </span>Pin<P> |
| <span class="kw">where |
| </span>P: DerefMut + Unpin, |
| P::Target: Stream, |
| { |
| <span class="kw">type </span>Item = <P::Target <span class="kw">as </span>Stream>::Item; |
| |
| <span class="kw">fn </span>poll_next(<span class="self">self</span>: Pin<<span class="kw-2">&mut </span><span class="self">Self</span>>, cx: <span class="kw-2">&mut </span>Context<<span class="lifetime">'_</span>>) -> Poll<<span class="prelude-ty">Option</span><<span class="self">Self</span>::Item>> { |
| <span class="self">self</span>.get_mut().as_mut().poll_next(cx) |
| } |
| |
| <span class="kw">fn </span>size_hint(<span class="kw-2">&</span><span class="self">self</span>) -> (usize, <span class="prelude-ty">Option</span><usize>) { |
| (<span class="kw-2">**</span><span class="self">self</span>).size_hint() |
| } |
| } |
| |
| <span class="doccomment">/// A stream which tracks whether or not the underlying stream |
| /// should no longer be polled. |
| /// |
| /// `is_terminated` will return `true` if a future should no longer be polled. |
| /// Usually, this state occurs after `poll_next` (or `try_poll_next`) returned |
| /// `Poll::Ready(None)`. However, `is_terminated` may also return `true` if a |
| /// stream has become inactive and can no longer make progress and should be |
| /// ignored or dropped rather than being polled again. |
| </span><span class="kw">pub trait </span>FusedStream: Stream { |
| <span class="doccomment">/// Returns `true` if the stream should no longer be polled. |
| </span><span class="kw">fn </span>is_terminated(<span class="kw-2">&</span><span class="self">self</span>) -> bool; |
| } |
| |
| <span class="kw">impl</span><F: <span class="question-mark">?</span>Sized + FusedStream + Unpin> FusedStream <span class="kw">for </span><span class="kw-2">&mut </span>F { |
| <span class="kw">fn </span>is_terminated(<span class="kw-2">&</span><span class="self">self</span>) -> bool { |
| <F <span class="kw">as </span>FusedStream>::is_terminated(<span class="kw-2">&**</span><span class="self">self</span>) |
| } |
| } |
| |
| <span class="kw">impl</span><P> FusedStream <span class="kw">for </span>Pin<P> |
| <span class="kw">where |
| </span>P: DerefMut + Unpin, |
| P::Target: FusedStream, |
| { |
| <span class="kw">fn </span>is_terminated(<span class="kw-2">&</span><span class="self">self</span>) -> bool { |
| <P::Target <span class="kw">as </span>FusedStream>::is_terminated(<span class="kw-2">&**</span><span class="self">self</span>) |
| } |
| } |
| |
| <span class="kw">mod </span>private_try_stream { |
| <span class="kw">use </span><span class="kw">super</span>::Stream; |
| |
| <span class="kw">pub trait </span>Sealed {} |
| |
| <span class="kw">impl</span><S, T, E> Sealed <span class="kw">for </span>S <span class="kw">where </span>S: <span class="question-mark">?</span>Sized + Stream<Item = <span class="prelude-ty">Result</span><T, E>> {} |
| } |
| |
| <span class="doccomment">/// A convenience for streams that return `Result` values that includes |
| /// a variety of adapters tailored to such futures. |
| </span><span class="kw">pub trait </span>TryStream: Stream + private_try_stream::Sealed { |
| <span class="doccomment">/// The type of successful values yielded by this future |
| </span><span class="kw">type </span><span class="prelude-val">Ok</span>; |
| |
| <span class="doccomment">/// The type of failures yielded by this future |
| </span><span class="kw">type </span>Error; |
| |
| <span class="doccomment">/// Poll this `TryStream` as if it were a `Stream`. |
| /// |
| /// This method is a stopgap for a compiler limitation that prevents us from |
| /// directly inheriting from the `Stream` trait; in the future it won't be |
| /// needed. |
| </span><span class="kw">fn </span>try_poll_next( |
| <span class="self">self</span>: Pin<<span class="kw-2">&mut </span><span class="self">Self</span>>, |
| cx: <span class="kw-2">&mut </span>Context<<span class="lifetime">'_</span>>, |
| ) -> Poll<<span class="prelude-ty">Option</span><<span class="prelude-ty">Result</span><<span class="self">Self</span>::Ok, <span class="self">Self</span>::Error>>>; |
| } |
| |
| <span class="kw">impl</span><S, T, E> TryStream <span class="kw">for </span>S |
| <span class="kw">where |
| </span>S: <span class="question-mark">?</span>Sized + Stream<Item = <span class="prelude-ty">Result</span><T, E>>, |
| { |
| <span class="kw">type </span><span class="prelude-val">Ok </span>= T; |
| <span class="kw">type </span>Error = E; |
| |
| <span class="kw">fn </span>try_poll_next( |
| <span class="self">self</span>: Pin<<span class="kw-2">&mut </span><span class="self">Self</span>>, |
| cx: <span class="kw-2">&mut </span>Context<<span class="lifetime">'_</span>>, |
| ) -> Poll<<span class="prelude-ty">Option</span><<span class="prelude-ty">Result</span><<span class="self">Self</span>::Ok, <span class="self">Self</span>::Error>>> { |
| <span class="self">self</span>.poll_next(cx) |
| } |
| } |
| |
| <span class="attribute">#[cfg(feature = <span class="string">"alloc"</span>)] |
| </span><span class="kw">mod </span>if_alloc { |
| <span class="kw">use super</span>::<span class="kw-2">*</span>; |
| <span class="kw">use </span>alloc::boxed::Box; |
| |
| <span class="kw">impl</span><S: <span class="question-mark">?</span>Sized + Stream + Unpin> Stream <span class="kw">for </span>Box<S> { |
| <span class="kw">type </span>Item = S::Item; |
| |
| <span class="kw">fn </span>poll_next(<span class="kw-2">mut </span><span class="self">self</span>: Pin<<span class="kw-2">&mut </span><span class="self">Self</span>>, cx: <span class="kw-2">&mut </span>Context<<span class="lifetime">'_</span>>) -> Poll<<span class="prelude-ty">Option</span><<span class="self">Self</span>::Item>> { |
| Pin::new(<span class="kw-2">&mut **</span><span class="self">self</span>).poll_next(cx) |
| } |
| |
| <span class="kw">fn </span>size_hint(<span class="kw-2">&</span><span class="self">self</span>) -> (usize, <span class="prelude-ty">Option</span><usize>) { |
| (<span class="kw-2">**</span><span class="self">self</span>).size_hint() |
| } |
| } |
| |
| <span class="attribute">#[cfg(feature = <span class="string">"std"</span>)] |
| </span><span class="kw">impl</span><S: Stream> Stream <span class="kw">for </span>std::panic::AssertUnwindSafe<S> { |
| <span class="kw">type </span>Item = S::Item; |
| |
| <span class="kw">fn </span>poll_next(<span class="self">self</span>: Pin<<span class="kw-2">&mut </span><span class="self">Self</span>>, cx: <span class="kw-2">&mut </span>Context<<span class="lifetime">'_</span>>) -> Poll<<span class="prelude-ty">Option</span><S::Item>> { |
| <span class="kw">unsafe </span>{ <span class="self">self</span>.map_unchecked_mut(|x| <span class="kw-2">&mut </span>x.<span class="number">0</span>) }.poll_next(cx) |
| } |
| |
| <span class="kw">fn </span>size_hint(<span class="kw-2">&</span><span class="self">self</span>) -> (usize, <span class="prelude-ty">Option</span><usize>) { |
| <span class="self">self</span>.<span class="number">0</span>.size_hint() |
| } |
| } |
| |
| <span class="kw">impl</span><S: <span class="question-mark">?</span>Sized + FusedStream + Unpin> FusedStream <span class="kw">for </span>Box<S> { |
| <span class="kw">fn </span>is_terminated(<span class="kw-2">&</span><span class="self">self</span>) -> bool { |
| <S <span class="kw">as </span>FusedStream>::is_terminated(<span class="kw-2">&**</span><span class="self">self</span>) |
| } |
| } |
| } |
| </code></pre></div> |
| </section></div></main><div id="rustdoc-vars" data-root-path="../../" data-current-crate="futures_core" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0-nightly (5c8bff74b 2022-10-21)" ></div></body></html> |
