| <!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/tower-0.4.13/src/util/call_all/unordered.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>unordered.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="../../../../tower/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="../../../../tower/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> |
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| </pre><pre class="rust"><code><span class="doccomment">//! [`Stream<Item = Request>`][stream] + [`Service<Request>`] => [`Stream<Item = Response>`][stream]. |
| //! |
| //! [`Service<Request>`]: crate::Service |
| //! [stream]: https://docs.rs/futures/latest/futures/stream/trait.Stream.html |
| |
| </span><span class="kw">use </span><span class="kw">super</span>::common; |
| <span class="kw">use </span>futures_core::Stream; |
| <span class="kw">use </span>futures_util::stream::FuturesUnordered; |
| <span class="kw">use </span>pin_project_lite::pin_project; |
| <span class="kw">use </span>std::{ |
| future::Future, |
| pin::Pin, |
| task::{Context, Poll}, |
| }; |
| <span class="kw">use </span>tower_service::Service; |
| |
| <span class="macro">pin_project! </span>{ |
| <span class="doccomment">/// A stream of responses received from the inner service in received order. |
| /// |
| /// Similar to [`CallAll`] except, instead of yielding responses in request order, |
| /// responses are returned as they are available. |
| /// |
| /// [`CallAll`]: crate::util::CallAll |
| </span><span class="attribute">#[derive(Debug)] |
| </span><span class="kw">pub struct </span>CallAllUnordered<Svc, S> |
| <span class="kw">where |
| </span>Svc: Service<S::Item>, |
| S: Stream, |
| { |
| <span class="attribute">#[pin] |
| </span>inner: common::CallAll<Svc, S, FuturesUnordered<Svc::Future>>, |
| } |
| } |
| |
| <span class="kw">impl</span><Svc, S> CallAllUnordered<Svc, S> |
| <span class="kw">where |
| </span>Svc: Service<S::Item>, |
| Svc::Error: Into<<span class="kw">crate</span>::BoxError>, |
| S: Stream, |
| { |
| <span class="doccomment">/// Create new [`CallAllUnordered`] combinator. |
| /// |
| /// [`Stream`]: https://docs.rs/futures/latest/futures/stream/trait.Stream.html |
| </span><span class="kw">pub fn </span>new(service: Svc, stream: S) -> CallAllUnordered<Svc, S> { |
| CallAllUnordered { |
| inner: common::CallAll::new(service, stream, FuturesUnordered::new()), |
| } |
| } |
| |
| <span class="doccomment">/// Extract the wrapped [`Service`]. |
| /// |
| /// # Panics |
| /// |
| /// Panics if [`take_service`] was already called. |
| /// |
| /// [`take_service`]: crate::util::CallAllUnordered::take_service |
| </span><span class="kw">pub fn </span>into_inner(<span class="self">self</span>) -> Svc { |
| <span class="self">self</span>.inner.into_inner() |
| } |
| |
| <span class="doccomment">/// Extract the wrapped `Service`. |
| /// |
| /// This [`CallAllUnordered`] can no longer be used after this function has been called. |
| /// |
| /// # Panics |
| /// |
| /// Panics if [`take_service`] was already called. |
| /// |
| /// [`take_service`]: crate::util::CallAllUnordered::take_service |
| </span><span class="kw">pub fn </span>take_service(<span class="self">self</span>: Pin<<span class="kw-2">&mut </span><span class="self">Self</span>>) -> Svc { |
| <span class="self">self</span>.project().inner.take_service() |
| } |
| } |
| |
| <span class="kw">impl</span><Svc, S> Stream <span class="kw">for </span>CallAllUnordered<Svc, S> |
| <span class="kw">where |
| </span>Svc: Service<S::Item>, |
| Svc::Error: Into<<span class="kw">crate</span>::BoxError>, |
| S: Stream, |
| { |
| <span class="kw">type </span>Item = <span class="prelude-ty">Result</span><Svc::Response, <span class="kw">crate</span>::BoxError>; |
| |
| <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>.project().inner.poll_next(cx) |
| } |
| } |
| |
| <span class="kw">impl</span><F: Future> common::Drive<F> <span class="kw">for </span>FuturesUnordered<F> { |
| <span class="kw">fn </span>is_empty(<span class="kw-2">&</span><span class="self">self</span>) -> bool { |
| FuturesUnordered::is_empty(<span class="self">self</span>) |
| } |
| |
| <span class="kw">fn </span>push(<span class="kw-2">&mut </span><span class="self">self</span>, future: F) { |
| FuturesUnordered::push(<span class="self">self</span>, future) |
| } |
| |
| <span class="kw">fn </span>poll(<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><F::Output>> { |
| Stream::poll_next(Pin::new(<span class="self">self</span>), cx) |
| } |
| } |
| </code></pre></div> |
| </section></div></main><div id="rustdoc-vars" data-root-path="../../../../" data-current-crate="tower" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0-nightly (5c8bff74b 2022-10-21)" ></div></body></html> |
