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<!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="Registers I/O resources."><title>Registry in mio - Rust</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../static.files/SourceSerif4-Regular-46f98efaafac5295.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../static.files/FiraSans-Regular-018c141bf0843ffd.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../static.files/FiraSans-Medium-8f9a781e4970d388.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../static.files/SourceCodePro-Regular-562dcc5011b6de7d.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../static.files/SourceCodePro-Semibold-d899c5a5c4aeb14a.ttf.woff2"><link rel="stylesheet" href="../static.files/normalize-76eba96aa4d2e634.css"><link rel="stylesheet" href="../static.files/rustdoc-ac92e1bbe349e143.css"><meta name="rustdoc-vars" data-root-path="../" data-static-root-path="../static.files/" data-current-crate="mio" data-themes="" data-resource-suffix="" data-rustdoc-version="1.76.0 (07dca489a 2024-02-04)" data-channel="1.76.0" data-search-js="search-2b6ce74ff89ae146.js" data-settings-js="settings-4313503d2e1961c2.js" ><script src="../static.files/storage-f2adc0d6ca4d09fb.js"></script><script defer src="sidebar-items.js"></script><script defer src="../static.files/main-305769736d49e732.js"></script><noscript><link rel="stylesheet" href="../static.files/noscript-feafe1bb7466e4bd.css"></noscript><link rel="alternate icon" type="image/png" href="../static.files/favicon-16x16-8b506e7a72182f1c.png"><link rel="alternate icon" type="image/png" href="../static.files/favicon-32x32-422f7d1d52889060.png"><link rel="icon" type="image/svg+xml" href="../static.files/favicon-2c020d218678b618.svg"></head><body class="rustdoc struct"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="mobile-topbar"><button class="sidebar-menu-toggle">☰</button></nav><nav class="sidebar"><div class="sidebar-crate"><h2><a href="../mio/index.html">mio</a><span class="version">1.0.3</span></h2></div><h2 class="location"><a href="#">Registry</a></h2><div class="sidebar-elems"><section><h3><a href="#implementations">Methods</a></h3><ul class="block method"><li><a href="#method.deregister">deregister</a></li><li><a href="#method.register">register</a></li><li><a href="#method.reregister">reregister</a></li><li><a href="#method.try_clone">try_clone</a></li></ul><h3><a href="#trait-implementations">Trait Implementations</a></h3><ul class="block trait-implementation"><li><a href="#impl-AsRawFd-for-Registry">AsRawFd</a></li><li><a href="#impl-Debug-for-Registry">Debug</a></li></ul><h3><a href="#synthetic-implementations">Auto Trait Implementations</a></h3><ul class="block synthetic-implementation"><li><a href="#impl-RefUnwindSafe-for-Registry">RefUnwindSafe</a></li><li><a href="#impl-Send-for-Registry">Send</a></li><li><a href="#impl-Sync-for-Registry">Sync</a></li><li><a href="#impl-Unpin-for-Registry">Unpin</a></li><li><a href="#impl-UnwindSafe-for-Registry">UnwindSafe</a></li></ul><h3><a href="#blanket-implementations">Blanket Implementations</a></h3><ul class="block blanket-implementation"><li><a href="#impl-Any-for-T">Any</a></li><li><a href="#impl-Borrow%3CT%3E-for-T">Borrow<T></a></li><li><a href="#impl-BorrowMut%3CT%3E-for-T">BorrowMut<T></a></li><li><a href="#impl-From%3CT%3E-for-T">From<T></a></li><li><a href="#impl-Into%3CU%3E-for-T">Into<U></a></li><li><a href="#impl-TryFrom%3CU%3E-for-T">TryFrom<U></a></li><li><a href="#impl-TryInto%3CU%3E-for-T">TryInto<U></a></li></ul></section><h2><a href="index.html">In crate mio</a></h2></div></nav><div class="sidebar-resizer"></div>
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<main><div class="width-limiter"><nav class="sub"><form class="search-form"><span></span><div id="sidebar-button" tabindex="-1"><a href="../mio/all.html" title="show sidebar"></a></div><input class="search-input" name="search" aria-label="Run search in the documentation" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" tabindex="-1"><a href="../help.html" title="help">?</a></div><div id="settings-menu" tabindex="-1"><a href="../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../static.files/wheel-7b819b6101059cd0.svg"></a></div></form></nav><section id="main-content" class="content"><div class="main-heading"><h1>Struct <a href="index.html">mio</a>::<wbr><a class="struct" href="#">Registry</a><button id="copy-path" title="Copy item path to clipboard"><img src="../static.files/clipboard-7571035ce49a181d.svg" width="19" height="18" alt="Copy item path"></button></h1><span class="out-of-band"><a class="src" href="../src/mio/poll.rs.html#272-277">source</a> · <button id="toggle-all-docs" title="collapse all docs">[<span>−</span>]</button></span></div><pre class="rust item-decl"><code>pub struct Registry { <span class="comment">/* private fields */</span> }</code></pre><details class="toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>Registers I/O resources.</p>
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</div></details><h2 id="implementations" class="section-header">Implementations<a href="#implementations" class="anchor">§</a></h2><div id="implementations-list"><details class="toggle implementors-toggle" open><summary><section id="impl-Registry" class="impl"><a class="src rightside" href="../src/mio/poll.rs.html#467-733">source</a><a href="#impl-Registry" class="anchor">§</a><h3 class="code-header">impl <a class="struct" href="struct.Registry.html" title="struct mio::Registry">Registry</a></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.register" class="method"><a class="src rightside" href="../src/mio/poll.rs.html#567-577">source</a><h4 class="code-header">pub fn <a href="#method.register" class="fn">register</a><S>(
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&self,
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source: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.reference.html">&mut S</a>,
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token: <a class="struct" href="struct.Token.html" title="struct mio::Token">Token</a>,
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interests: <a class="struct" href="struct.Interest.html" title="struct mio::Interest">Interest</a>
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) -> <a class="type" href="https://doc.rust-lang.org/1.76.0/std/io/error/type.Result.html" title="type std::io::error::Result">Result</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.unit.html">()</a>><div class="where">where
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S: <a class="trait" href="event/trait.Source.html" title="trait mio::event::Source">Source</a> + ?<a class="trait" href="https://doc.rust-lang.org/1.76.0/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</div></h4></section></summary><div class="docblock"><p>Register an <a href="./event/trait.Source.html"><code>event::Source</code></a> with the <code>Poll</code> instance.</p>
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<p>Once registered, the <code>Poll</code> instance will monitor the event source for
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readiness state changes. When it notices a state change, it will return
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a readiness event for the handle the next time <a href="struct.Poll.html#method.poll"><code>poll</code></a> is called.</p>
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<p>See <a href="struct.Poll.html#method.poll"><code>Poll</code></a> docs for a high level overview.</p>
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<h5 id="arguments"><a href="#arguments">Arguments</a></h5>
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<p><code>source: &mut S: event::Source</code>: This is the source of events that the
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<code>Poll</code> instance should monitor for readiness state changes.</p>
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<p><code>token: Token</code>: The caller picks a token to associate with the socket.
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When <a href="struct.Poll.html#method.poll"><code>poll</code></a> returns an event for the handle, this token is included.
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This allows the caller to map the event to its source. The token
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associated with the <code>event::Source</code> can be changed at any time by
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calling <a href="struct.Registry.html#method.reregister"><code>reregister</code></a>.</p>
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<p>See documentation on <a href="struct.Token.html"><code>Token</code></a> for an example showing how to pick
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<a href="struct.Token.html"><code>Token</code></a> values.</p>
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<p><code>interest: Interest</code>: Specifies which operations <code>Poll</code> should monitor
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for readiness. <code>Poll</code> will only return readiness events for operations
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specified by this argument.</p>
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<p>If a socket is registered with readable interest and the socket becomes
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writable, no event will be returned from <a href="struct.Poll.html#method.poll"><code>poll</code></a>.</p>
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<p>The readiness interest for an <code>event::Source</code> can be changed at any time
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by calling <a href="struct.Registry.html#method.reregister"><code>reregister</code></a>.</p>
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<h5 id="notes"><a href="#notes">Notes</a></h5>
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<p>Callers must ensure that if a source being registered with a <code>Poll</code>
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instance was previously registered with that <code>Poll</code> instance, then a
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call to <a href="struct.Registry.html#method.deregister"><code>deregister</code></a> has already occurred. Consecutive calls to
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<code>register</code> is unspecified behavior.</p>
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<p>Unless otherwise specified, the caller should assume that once an event
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source is registered with a <code>Poll</code> instance, it is bound to that <code>Poll</code>
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instance for the lifetime of the event source. This remains true even
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if the event source is deregistered from the poll instance using
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<a href="struct.Registry.html#method.deregister"><code>deregister</code></a>.</p>
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<h5 id="examples"><a href="#examples">Examples</a></h5>
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<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>mio::{Events, Poll, Interest, Token};
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<span class="kw">use </span>mio::net::TcpStream;
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<span class="kw">use </span>std::net::SocketAddr;
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<span class="kw">use </span>std::time::{Duration, Instant};
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<span class="kw">let </span><span class="kw-2">mut </span>poll = Poll::new()<span class="question-mark">?</span>;
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<span class="kw">let </span>address: SocketAddr = <span class="string">"127.0.0.1:0"</span>.parse()<span class="question-mark">?</span>;
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<span class="kw">let </span>listener = net::TcpListener::bind(address)<span class="question-mark">?</span>;
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<span class="kw">let </span><span class="kw-2">mut </span>socket = TcpStream::connect(listener.local_addr()<span class="question-mark">?</span>)<span class="question-mark">?</span>;
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<span class="comment">// Register the socket with `poll`
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</span>poll.registry().register(
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<span class="kw-2">&mut </span>socket,
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Token(<span class="number">0</span>),
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Interest::READABLE | Interest::WRITABLE)<span class="question-mark">?</span>;
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<span class="kw">let </span><span class="kw-2">mut </span>events = Events::with_capacity(<span class="number">1024</span>);
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<span class="kw">let </span>start = Instant::now();
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<span class="kw">let </span>timeout = Duration::from_millis(<span class="number">500</span>);
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<span class="kw">loop </span>{
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<span class="kw">let </span>elapsed = start.elapsed();
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<span class="kw">if </span>elapsed >= timeout {
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<span class="comment">// Connection timed out
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</span><span class="kw">return </span><span class="prelude-val">Ok</span>(());
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}
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<span class="kw">let </span>remaining = timeout - elapsed;
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poll.poll(<span class="kw-2">&mut </span>events, <span class="prelude-val">Some</span>(remaining))<span class="question-mark">?</span>;
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<span class="kw">for </span>event <span class="kw">in </span><span class="kw-2">&</span>events {
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<span class="kw">if </span>event.token() == Token(<span class="number">0</span>) {
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<span class="comment">// Something (probably) happened on the socket.
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</span><span class="kw">return </span><span class="prelude-val">Ok</span>(());
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}
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}
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}</code></pre></div>
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</div></details><details class="toggle method-toggle" open><summary><section id="method.reregister" class="method"><a class="src rightside" href="../src/mio/poll.rs.html#635-645">source</a><h4 class="code-header">pub fn <a href="#method.reregister" class="fn">reregister</a><S>(
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&self,
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source: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.reference.html">&mut S</a>,
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token: <a class="struct" href="struct.Token.html" title="struct mio::Token">Token</a>,
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interests: <a class="struct" href="struct.Interest.html" title="struct mio::Interest">Interest</a>
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) -> <a class="type" href="https://doc.rust-lang.org/1.76.0/std/io/error/type.Result.html" title="type std::io::error::Result">Result</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.unit.html">()</a>><div class="where">where
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S: <a class="trait" href="event/trait.Source.html" title="trait mio::event::Source">Source</a> + ?<a class="trait" href="https://doc.rust-lang.org/1.76.0/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</div></h4></section></summary><div class="docblock"><p>Re-register an <a href="./event/trait.Source.html"><code>event::Source</code></a> with the <code>Poll</code> instance.</p>
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<p>Re-registering an event source allows changing the details of the
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registration. Specifically, it allows updating the associated <code>token</code>
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and <code>interests</code> specified in previous <code>register</code> and <code>reregister</code> calls.</p>
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<p>The <code>reregister</code> arguments fully override the previous values. In other
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words, if a socket is registered with <a href="./event/struct.Event.html#is_readable"><code>readable</code></a> interest and the call
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to <code>reregister</code> specifies <a href="./event/struct.Event.html#is_writable"><code>writable</code></a>, then read interest is no longer
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requested for the handle.</p>
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<p>The event source must have previously been registered with this instance
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of <code>Poll</code>, otherwise the behavior is unspecified.</p>
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<p>See the <a href="struct.Registry.html#method.register"><code>register</code></a> documentation for details about the function
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arguments and see the <a href="struct.Poll.html"><code>struct</code></a> docs for a high level overview of
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polling.</p>
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<h5 id="examples-1"><a href="#examples-1">Examples</a></h5>
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<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>mio::{Poll, Interest, Token};
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<span class="kw">use </span>mio::net::TcpStream;
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<span class="kw">use </span>std::net::SocketAddr;
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<span class="kw">let </span>poll = Poll::new()<span class="question-mark">?</span>;
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<span class="kw">let </span>address: SocketAddr = <span class="string">"127.0.0.1:0"</span>.parse()<span class="question-mark">?</span>;
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<span class="kw">let </span>listener = net::TcpListener::bind(address)<span class="question-mark">?</span>;
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<span class="kw">let </span><span class="kw-2">mut </span>socket = TcpStream::connect(listener.local_addr()<span class="question-mark">?</span>)<span class="question-mark">?</span>;
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<span class="comment">// Register the socket with `poll`, requesting readable
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</span>poll.registry().register(
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<span class="kw-2">&mut </span>socket,
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Token(<span class="number">0</span>),
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Interest::READABLE)<span class="question-mark">?</span>;
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<span class="comment">// Reregister the socket specifying write interest instead. Even though
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// the token is the same it must be specified.
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</span>poll.registry().reregister(
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<span class="kw-2">&mut </span>socket,
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Token(<span class="number">0</span>),
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Interest::WRITABLE)<span class="question-mark">?</span>;</code></pre></div>
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</div></details><details class="toggle method-toggle" open><summary><section id="method.deregister" class="method"><a class="src rightside" href="../src/mio/poll.rs.html#698-704">source</a><h4 class="code-header">pub fn <a href="#method.deregister" class="fn">deregister</a><S>(&self, source: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.reference.html">&mut S</a>) -> <a class="type" href="https://doc.rust-lang.org/1.76.0/std/io/error/type.Result.html" title="type std::io::error::Result">Result</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.unit.html">()</a>><div class="where">where
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S: <a class="trait" href="event/trait.Source.html" title="trait mio::event::Source">Source</a> + ?<a class="trait" href="https://doc.rust-lang.org/1.76.0/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</div></h4></section></summary><div class="docblock"><p>Deregister an <a href="event/trait.Source.html" title="trait mio::event::Source"><code>event::Source</code></a> with the <code>Poll</code> instance.</p>
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<p>When an event source is deregistered, the <code>Poll</code> instance will no longer
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monitor it for readiness state changes. Deregistering clears up any
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internal resources needed to track the handle. After an explicit call
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to this method completes, it is guaranteed that the token previously
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registered to this handle will not be returned by a future poll, so long
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as a happens-before relationship is established between this call and
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the poll.</p>
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<p>The event source must have previously been registered with this instance
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of <code>Poll</code>, otherwise the behavior is unspecified.</p>
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<p>A handle can be passed back to <code>register</code> after it has been
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deregistered; however, it must be passed back to the <strong>same</strong> <code>Poll</code>
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instance, otherwise the behavior is unspecified.</p>
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<h5 id="examples-2"><a href="#examples-2">Examples</a></h5>
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<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>mio::{Events, Poll, Interest, Token};
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<span class="kw">use </span>mio::net::TcpStream;
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<span class="kw">use </span>std::net::SocketAddr;
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<span class="kw">use </span>std::time::Duration;
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<span class="kw">let </span><span class="kw-2">mut </span>poll = Poll::new()<span class="question-mark">?</span>;
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<span class="kw">let </span>address: SocketAddr = <span class="string">"127.0.0.1:0"</span>.parse()<span class="question-mark">?</span>;
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<span class="kw">let </span>listener = net::TcpListener::bind(address)<span class="question-mark">?</span>;
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<span class="kw">let </span><span class="kw-2">mut </span>socket = TcpStream::connect(listener.local_addr()<span class="question-mark">?</span>)<span class="question-mark">?</span>;
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<span class="comment">// Register the socket with `poll`
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</span>poll.registry().register(
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<span class="kw-2">&mut </span>socket,
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Token(<span class="number">0</span>),
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Interest::READABLE)<span class="question-mark">?</span>;
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poll.registry().deregister(<span class="kw-2">&mut </span>socket)<span class="question-mark">?</span>;
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<span class="kw">let </span><span class="kw-2">mut </span>events = Events::with_capacity(<span class="number">1024</span>);
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<span class="comment">// Set a timeout because this poll should never receive any events.
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</span>poll.poll(<span class="kw-2">&mut </span>events, <span class="prelude-val">Some</span>(Duration::from_secs(<span class="number">1</span>)))<span class="question-mark">?</span>;
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<span class="macro">assert!</span>(events.is_empty());</code></pre></div>
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</div></details><details class="toggle method-toggle" open><summary><section id="method.try_clone" class="method"><a class="src rightside" href="../src/mio/poll.rs.html#710-716">source</a><h4 class="code-header">pub fn <a href="#method.try_clone" class="fn">try_clone</a>(&self) -> <a class="type" href="https://doc.rust-lang.org/1.76.0/std/io/error/type.Result.html" title="type std::io::error::Result">Result</a><<a class="struct" href="struct.Registry.html" title="struct mio::Registry">Registry</a>></h4></section></summary><div class="docblock"><p>Creates a new independently owned <code>Registry</code>.</p>
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<p>Event sources registered with this <code>Registry</code> will be registered with
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the original <code>Registry</code> and <code>Poll</code> instance.</p>
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</div></details></div></details></div><h2 id="trait-implementations" class="section-header">Trait Implementations<a href="#trait-implementations" class="anchor">§</a></h2><div id="trait-implementations-list"><details class="toggle implementors-toggle" open><summary><section id="impl-AsRawFd-for-Registry" class="impl"><a class="src rightside" href="../src/mio/poll.rs.html#756-760">source</a><a href="#impl-AsRawFd-for-Registry" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.76.0/std/os/fd/raw/trait.AsRawFd.html" title="trait std::os::fd::raw::AsRawFd">AsRawFd</a> for <a class="struct" href="struct.Registry.html" title="struct mio::Registry">Registry</a></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.as_raw_fd" class="method trait-impl"><a class="src rightside" href="../src/mio/poll.rs.html#757-759">source</a><a href="#method.as_raw_fd" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/std/os/fd/raw/trait.AsRawFd.html#tymethod.as_raw_fd" class="fn">as_raw_fd</a>(&self) -> <a class="type" href="https://doc.rust-lang.org/1.76.0/std/os/fd/raw/type.RawFd.html" title="type std::os::fd::raw::RawFd">RawFd</a></h4></section></summary><div class='docblock'>Extracts the raw file descriptor. <a href="https://doc.rust-lang.org/1.76.0/std/os/fd/raw/trait.AsRawFd.html#tymethod.as_raw_fd">Read more</a></div></details></div></details><details class="toggle implementors-toggle" open><summary><section id="impl-Debug-for-Registry" class="impl"><a class="src rightside" href="../src/mio/poll.rs.html#735-739">source</a><a href="#impl-Debug-for-Registry" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/fmt/trait.Debug.html" title="trait core::fmt::Debug">Debug</a> for <a class="struct" href="struct.Registry.html" title="struct mio::Registry">Registry</a></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.fmt" class="method trait-impl"><a class="src rightside" href="../src/mio/poll.rs.html#736-738">source</a><a href="#method.fmt" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/fmt/trait.Debug.html#tymethod.fmt" class="fn">fmt</a>(&self, fmt: &mut <a class="struct" href="https://doc.rust-lang.org/1.76.0/core/fmt/struct.Formatter.html" title="struct core::fmt::Formatter">Formatter</a><'_>) -> <a class="type" href="https://doc.rust-lang.org/1.76.0/core/fmt/type.Result.html" title="type core::fmt::Result">Result</a></h4></section></summary><div class='docblock'>Formats the value using the given formatter. <a href="https://doc.rust-lang.org/1.76.0/core/fmt/trait.Debug.html#tymethod.fmt">Read more</a></div></details></div></details></div><h2 id="synthetic-implementations" class="section-header">Auto Trait Implementations<a href="#synthetic-implementations" class="anchor">§</a></h2><div id="synthetic-implementations-list"><section id="impl-RefUnwindSafe-for-Registry" class="impl"><a href="#impl-RefUnwindSafe-for-Registry" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/panic/unwind_safe/trait.RefUnwindSafe.html" title="trait core::panic::unwind_safe::RefUnwindSafe">RefUnwindSafe</a> for <a class="struct" href="struct.Registry.html" title="struct mio::Registry">Registry</a></h3></section><section id="impl-Send-for-Registry" class="impl"><a href="#impl-Send-for-Registry" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> for <a class="struct" href="struct.Registry.html" title="struct mio::Registry">Registry</a></h3></section><section id="impl-Sync-for-Registry" class="impl"><a href="#impl-Sync-for-Registry" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> for <a class="struct" href="struct.Registry.html" title="struct mio::Registry">Registry</a></h3></section><section id="impl-Unpin-for-Registry" class="impl"><a href="#impl-Unpin-for-Registry" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a> for <a class="struct" href="struct.Registry.html" title="struct mio::Registry">Registry</a></h3></section><section id="impl-UnwindSafe-for-Registry" class="impl"><a href="#impl-UnwindSafe-for-Registry" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/panic/unwind_safe/trait.UnwindSafe.html" title="trait core::panic::unwind_safe::UnwindSafe">UnwindSafe</a> for <a class="struct" href="struct.Registry.html" title="struct mio::Registry">Registry</a></h3></section></div><h2 id="blanket-implementations" class="section-header">Blanket Implementations<a href="#blanket-implementations" class="anchor">§</a></h2><div id="blanket-implementations-list"><details class="toggle implementors-toggle"><summary><section id="impl-Any-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.76.0/src/core/any.rs.html#140">source</a><a href="#impl-Any-for-T" class="anchor">§</a><h3 class="code-header">impl<T> <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/any/trait.Any.html" title="trait core::any::Any">Any</a> for T<div class="where">where
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T: 'static + ?<a class="trait" href="https://doc.rust-lang.org/1.76.0/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</div></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.type_id" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.76.0/src/core/any.rs.html#141">source</a><a href="#method.type_id" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/any/trait.Any.html#tymethod.type_id" class="fn">type_id</a>(&self) -> <a class="struct" href="https://doc.rust-lang.org/1.76.0/core/any/struct.TypeId.html" title="struct core::any::TypeId">TypeId</a></h4></section></summary><div class='docblock'>Gets the <code>TypeId</code> of <code>self</code>. <a href="https://doc.rust-lang.org/1.76.0/core/any/trait.Any.html#tymethod.type_id">Read more</a></div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-Borrow%3CT%3E-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.76.0/src/core/borrow.rs.html#208">source</a><a href="#impl-Borrow%3CT%3E-for-T" class="anchor">§</a><h3 class="code-header">impl<T> <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/borrow/trait.Borrow.html" title="trait core::borrow::Borrow">Borrow</a><T> for T<div class="where">where
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T: ?<a class="trait" href="https://doc.rust-lang.org/1.76.0/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</div></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.borrow" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.76.0/src/core/borrow.rs.html#210">source</a><a href="#method.borrow" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/borrow/trait.Borrow.html#tymethod.borrow" class="fn">borrow</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.reference.html">&T</a></h4></section></summary><div class='docblock'>Immutably borrows from an owned value. <a href="https://doc.rust-lang.org/1.76.0/core/borrow/trait.Borrow.html#tymethod.borrow">Read more</a></div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-BorrowMut%3CT%3E-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.76.0/src/core/borrow.rs.html#216">source</a><a href="#impl-BorrowMut%3CT%3E-for-T" class="anchor">§</a><h3 class="code-header">impl<T> <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/borrow/trait.BorrowMut.html" title="trait core::borrow::BorrowMut">BorrowMut</a><T> for T<div class="where">where
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T: ?<a class="trait" href="https://doc.rust-lang.org/1.76.0/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</div></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.borrow_mut" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.76.0/src/core/borrow.rs.html#217">source</a><a href="#method.borrow_mut" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut" class="fn">borrow_mut</a>(&mut self) -> <a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.reference.html">&mut T</a></h4></section></summary><div class='docblock'>Mutably borrows from an owned value. <a href="https://doc.rust-lang.org/1.76.0/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut">Read more</a></div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-From%3CT%3E-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.76.0/src/core/convert/mod.rs.html#763">source</a><a href="#impl-From%3CT%3E-for-T" class="anchor">§</a><h3 class="code-header">impl<T> <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/convert/trait.From.html" title="trait core::convert::From">From</a><T> for T</h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.from" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.76.0/src/core/convert/mod.rs.html#766">source</a><a href="#method.from" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/convert/trait.From.html#tymethod.from" class="fn">from</a>(t: T) -> T</h4></section></summary><div class="docblock"><p>Returns the argument unchanged.</p>
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</div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-Into%3CU%3E-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.76.0/src/core/convert/mod.rs.html#747-749">source</a><a href="#impl-Into%3CU%3E-for-T" class="anchor">§</a><h3 class="code-header">impl<T, U> <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a><U> for T<div class="where">where
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U: <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/convert/trait.From.html" title="trait core::convert::From">From</a><T>,</div></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.into" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.76.0/src/core/convert/mod.rs.html#756">source</a><a href="#method.into" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/convert/trait.Into.html#tymethod.into" class="fn">into</a>(self) -> U</h4></section></summary><div class="docblock"><p>Calls <code>U::from(self)</code>.</p>
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<p>That is, this conversion is whatever the implementation of
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<code><a href="https://doc.rust-lang.org/1.76.0/core/convert/trait.From.html" title="trait core::convert::From">From</a><T> for U</code> chooses to do.</p>
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</div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-TryFrom%3CU%3E-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.76.0/src/core/convert/mod.rs.html#803-805">source</a><a href="#impl-TryFrom%3CU%3E-for-T" class="anchor">§</a><h3 class="code-header">impl<T, U> <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><U> for T<div class="where">where
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U: <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a><T>,</div></h3></section></summary><div class="impl-items"><details class="toggle" open><summary><section id="associatedtype.Error" class="associatedtype trait-impl"><a href="#associatedtype.Error" class="anchor">§</a><h4 class="code-header">type <a href="https://doc.rust-lang.org/1.76.0/core/convert/trait.TryFrom.html#associatedtype.Error" class="associatedtype">Error</a> = <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/convert/enum.Infallible.html" title="enum core::convert::Infallible">Infallible</a></h4></section></summary><div class='docblock'>The type returned in the event of a conversion error.</div></details><details class="toggle method-toggle" open><summary><section id="method.try_from" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.76.0/src/core/convert/mod.rs.html#810">source</a><a href="#method.try_from" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/convert/trait.TryFrom.html#tymethod.try_from" class="fn">try_from</a>(value: U) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/result/enum.Result.html" title="enum core::result::Result">Result</a><T, <T as <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><U>>::<a class="associatedtype" href="https://doc.rust-lang.org/1.76.0/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a>></h4></section></summary><div class='docblock'>Performs the conversion.</div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-TryInto%3CU%3E-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.76.0/src/core/convert/mod.rs.html#788-790">source</a><a href="#impl-TryInto%3CU%3E-for-T" class="anchor">§</a><h3 class="code-header">impl<T, U> <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/convert/trait.TryInto.html" title="trait core::convert::TryInto">TryInto</a><U> for T<div class="where">where
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U: <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><T>,</div></h3></section></summary><div class="impl-items"><details class="toggle" open><summary><section id="associatedtype.Error-1" class="associatedtype trait-impl"><a href="#associatedtype.Error-1" class="anchor">§</a><h4 class="code-header">type <a href="https://doc.rust-lang.org/1.76.0/core/convert/trait.TryInto.html#associatedtype.Error" class="associatedtype">Error</a> = <U as <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><T>>::<a class="associatedtype" href="https://doc.rust-lang.org/1.76.0/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a></h4></section></summary><div class='docblock'>The type returned in the event of a conversion error.</div></details><details class="toggle method-toggle" open><summary><section id="method.try_into" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.76.0/src/core/convert/mod.rs.html#795">source</a><a href="#method.try_into" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/convert/trait.TryInto.html#tymethod.try_into" class="fn">try_into</a>(self) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/result/enum.Result.html" title="enum core::result::Result">Result</a><U, <U as <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><T>>::<a class="associatedtype" href="https://doc.rust-lang.org/1.76.0/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a>></h4></section></summary><div class='docblock'>Performs the conversion.</div></details></div></details></div></section></div></main></body></html> |