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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="API documentation for the Rust `UdpSocket` struct in crate `mio`."><meta name="keywords" content="rust, rustlang, rust-lang, UdpSocket"><title>mio::net::UdpSocket - Rust</title><link rel="stylesheet" type="text/css" href="../../normalize.css"><link rel="stylesheet" type="text/css" href="../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../light.css" id="themeStyle"><link rel="stylesheet" type="text/css" href="../../dark.css" disabled ><link rel="stylesheet" type="text/css" href="../../ayu.css" disabled ><script id="default-settings"></script><script src="../../storage.js"></script><noscript><link rel="stylesheet" href="../../noscript.css"></noscript><link rel="icon" type="image/svg+xml" href="../../favicon.svg">
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<link rel="alternate icon" type="image/png" href="../../favicon-32x32.png"><style type="text/css">#crate-search{background-image:url("../../down-arrow.svg");}</style></head><body class="rustdoc struct"><!--[if lte IE 8]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu">&#9776;</div><a href='../../mio/index.html'><div class='logo-container rust-logo'><img src='../../rust-logo.png' alt='logo'></div></a><p class="location">Struct UdpSocket</p><div class="sidebar-elems"><div class="block items"><a class="sidebar-title" href="#implementations">Methods</a><div class="sidebar-links"><a href="#method.bind">bind</a><a href="#method.broadcast">broadcast</a><a href="#method.connect">connect</a><a href="#method.from_std">from_std</a><a href="#method.join_multicast_v4">join_multicast_v4</a><a href="#method.join_multicast_v6">join_multicast_v6</a><a href="#method.leave_multicast_v4">leave_multicast_v4</a><a href="#method.leave_multicast_v6">leave_multicast_v6</a><a href="#method.local_addr">local_addr</a><a href="#method.multicast_loop_v4">multicast_loop_v4</a><a href="#method.multicast_loop_v6">multicast_loop_v6</a><a href="#method.multicast_ttl_v4">multicast_ttl_v4</a><a href="#method.only_v6">only_v6</a><a href="#method.peek">peek</a><a href="#method.peek_from">peek_from</a><a href="#method.recv">recv</a><a href="#method.recv_from">recv_from</a><a href="#method.send">send</a><a href="#method.send_to">send_to</a><a href="#method.set_broadcast">set_broadcast</a><a href="#method.set_multicast_loop_v4">set_multicast_loop_v4</a><a href="#method.set_multicast_loop_v6">set_multicast_loop_v6</a><a href="#method.set_multicast_ttl_v4">set_multicast_ttl_v4</a><a href="#method.set_ttl">set_ttl</a><a href="#method.take_error">take_error</a><a href="#method.ttl">ttl</a></div><a class="sidebar-title" href="#trait-implementations">Trait Implementations</a><div class="sidebar-links"><a href="#impl-AsRawFd">AsRawFd</a><a href="#impl-Debug">Debug</a><a href="#impl-FromRawFd">FromRawFd</a><a href="#impl-IntoRawFd">IntoRawFd</a><a href="#impl-Source">Source</a></div><a class="sidebar-title" href="#synthetic-implementations">Auto Trait Implementations</a><div class="sidebar-links"><a href="#impl-RefUnwindSafe">RefUnwindSafe</a><a href="#impl-Send">Send</a><a href="#impl-Sync">Sync</a><a href="#impl-Unpin">Unpin</a><a href="#impl-UnwindSafe">UnwindSafe</a></div><a class="sidebar-title" href="#blanket-implementations">Blanket Implementations</a><div class="sidebar-links"><a href="#impl-Any">Any</a><a href="#impl-Borrow%3CT%3E">Borrow&lt;T&gt;</a><a href="#impl-BorrowMut%3CT%3E">BorrowMut&lt;T&gt;</a><a href="#impl-From%3CT%3E">From&lt;T&gt;</a><a href="#impl-Into%3CU%3E">Into&lt;U&gt;</a><a href="#impl-TryFrom%3CU%3E">TryFrom&lt;U&gt;</a><a href="#impl-TryInto%3CU%3E">TryInto&lt;U&gt;</a></div></div><p class="location"><a href="../index.html">mio</a>::<wbr><a href="index.html">net</a></p><script>window.sidebarCurrent = {name: "UdpSocket", ty: "struct", relpath: ""};</script><script defer src="sidebar-items.js"></script></div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!" aria-haspopup="menu"><img src="../../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices" role="menu"></div></div><script src="../../theme.js"></script><nav class="sub"><form class="search-form"><div class="search-container"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" disabled autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"></div><span class="help-button">?</span>
<a id="settings-menu" href="../../settings.html"><img src="../../wheel.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><h1 class="fqn"><span class="out-of-band"><span id="render-detail"><a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span><a class="srclink" href="../../src/mio/net/udp.rs.html#91-93" title="goto source code">[src]</a></span><span class="in-band">Struct <a href="../index.html">mio</a>::<wbr><a href="index.html">net</a>::<wbr><a class="struct" href="">UdpSocket</a></span></h1><div class="docblock type-decl hidden-by-usual-hider"><pre class="rust struct">pub struct UdpSocket { /* fields omitted */ }</pre></div><div class="docblock"><p>A User Datagram Protocol socket.</p>
<p>This is an implementation of a bound UDP socket. This supports both IPv4 and
IPv6 addresses, and there is no corresponding notion of a server because UDP
is a datagram protocol.</p>
<h1 id="examples" class="section-header"><a href="#examples">Examples</a></h1>
<div class="example-wrap"><pre class="rust rust-example-rendered">
<span class="comment">// An Echo program:</span>
<span class="comment">// SENDER -&gt; sends a message.</span>
<span class="comment">// ECHOER -&gt; listens and prints the message received.</span>
<span class="kw">use</span> <span class="ident">mio</span>::<span class="ident">net</span>::<span class="ident">UdpSocket</span>;
<span class="kw">use</span> <span class="ident">mio</span>::{<span class="ident">Events</span>, <span class="ident">Interest</span>, <span class="ident">Poll</span>, <span class="ident">Token</span>};
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">time</span>::<span class="ident">Duration</span>;
<span class="kw">const</span> <span class="ident">SENDER</span>: <span class="ident">Token</span> <span class="op">=</span> <span class="ident">Token</span>(<span class="number">0</span>);
<span class="kw">const</span> <span class="ident">ECHOER</span>: <span class="ident">Token</span> <span class="op">=</span> <span class="ident">Token</span>(<span class="number">1</span>);
<span class="comment">// This operation will fail if the address is in use, so we select different ports for each</span>
<span class="comment">// socket.</span>
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">sender_socket</span> <span class="op">=</span> <span class="ident">UdpSocket</span>::<span class="ident">bind</span>(<span class="string">&quot;127.0.0.1:0&quot;</span>.<span class="ident">parse</span>()<span class="question-mark">?</span>)<span class="question-mark">?</span>;
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">echoer_socket</span> <span class="op">=</span> <span class="ident">UdpSocket</span>::<span class="ident">bind</span>(<span class="string">&quot;127.0.0.1:0&quot;</span>.<span class="ident">parse</span>()<span class="question-mark">?</span>)<span class="question-mark">?</span>;
<span class="comment">// If we do not use connect here, SENDER and ECHOER would need to call send_to and recv_from</span>
<span class="comment">// respectively.</span>
<span class="ident">sender_socket</span>.<span class="ident">connect</span>(<span class="ident">echoer_socket</span>.<span class="ident">local_addr</span>()<span class="question-mark">?</span>)<span class="question-mark">?</span>;
<span class="comment">// We need a Poll to check if SENDER is ready to be written into, and if ECHOER is ready to be</span>
<span class="comment">// read from.</span>
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">poll</span> <span class="op">=</span> <span class="ident">Poll</span>::<span class="ident">new</span>()<span class="question-mark">?</span>;
<span class="comment">// We register our sockets here so that we can check if they are ready to be written/read.</span>
<span class="ident">poll</span>.<span class="ident">registry</span>().<span class="ident">register</span>(<span class="kw-2">&amp;</span><span class="kw-2">mut</span> <span class="ident">sender_socket</span>, <span class="ident">SENDER</span>, <span class="ident">Interest</span>::<span class="ident">WRITABLE</span>)<span class="question-mark">?</span>;
<span class="ident">poll</span>.<span class="ident">registry</span>().<span class="ident">register</span>(<span class="kw-2">&amp;</span><span class="kw-2">mut</span> <span class="ident">echoer_socket</span>, <span class="ident">ECHOER</span>, <span class="ident">Interest</span>::<span class="ident">READABLE</span>)<span class="question-mark">?</span>;
<span class="kw">let</span> <span class="ident">msg_to_send</span> <span class="op">=</span> [<span class="number">9</span>; <span class="number">9</span>];
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">buffer</span> <span class="op">=</span> [<span class="number">0</span>; <span class="number">9</span>];
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">events</span> <span class="op">=</span> <span class="ident">Events</span>::<span class="ident">with_capacity</span>(<span class="number">128</span>);
<span class="kw">loop</span> {
<span class="ident">poll</span>.<span class="ident">poll</span>(<span class="kw-2">&amp;</span><span class="kw-2">mut</span> <span class="ident">events</span>, <span class="prelude-val">Some</span>(<span class="ident">Duration</span>::<span class="ident">from_millis</span>(<span class="number">100</span>)))<span class="question-mark">?</span>;
<span class="kw">for</span> <span class="ident">event</span> <span class="kw">in</span> <span class="ident">events</span>.<span class="ident">iter</span>() {
<span class="kw">match</span> <span class="ident">event</span>.<span class="ident">token</span>() {
<span class="comment">// Our SENDER is ready to be written into.</span>
<span class="ident">SENDER</span> <span class="op">=</span><span class="op">&gt;</span> {
<span class="kw">let</span> <span class="ident">bytes_sent</span> <span class="op">=</span> <span class="ident">sender_socket</span>.<span class="ident">send</span>(<span class="kw-2">&amp;</span><span class="ident">msg_to_send</span>)<span class="question-mark">?</span>;
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">bytes_sent</span>, <span class="number">9</span>);
<span class="macro">println</span><span class="macro">!</span>(<span class="string">&quot;sent {:?} -&gt; {:?} bytes&quot;</span>, <span class="ident">msg_to_send</span>, <span class="ident">bytes_sent</span>);
},
<span class="comment">// Our ECHOER is ready to be read from.</span>
<span class="ident">ECHOER</span> <span class="op">=</span><span class="op">&gt;</span> {
<span class="kw">let</span> <span class="ident">num_recv</span> <span class="op">=</span> <span class="ident">echoer_socket</span>.<span class="ident">recv</span>(<span class="kw-2">&amp;</span><span class="kw-2">mut</span> <span class="ident">buffer</span>)<span class="question-mark">?</span>;
<span class="macro">println</span><span class="macro">!</span>(<span class="string">&quot;echo {:?} -&gt; {:?}&quot;</span>, <span class="ident">buffer</span>, <span class="ident">num_recv</span>);
<span class="ident">buffer</span> <span class="op">=</span> [<span class="number">0</span>; <span class="number">9</span>];
}
<span class="kw">_</span> <span class="op">=</span><span class="op">&gt;</span> <span class="macro">unreachable</span><span class="macro">!</span>()
}
}
}</pre></div>
</div><h2 id="implementations" class="small-section-header">Implementations<a href="#implementations" class="anchor"></a></h2><h3 id="impl" class="impl"><code class="in-band">impl <a class="struct" href="../../mio/net/struct.UdpSocket.html" title="struct mio::net::UdpSocket">UdpSocket</a></code><a href="#impl" class="anchor"></a><a class="srclink" href="../../src/mio/net/udp.rs.html#95-528" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.bind" class="method"><code>pub fn <a href="#method.bind" class="fnname">bind</a>(addr: <a class="enum" href="https://doc.rust-lang.org/nightly/std/net/addr/enum.SocketAddr.html" title="enum std::net::addr::SocketAddr">SocketAddr</a>) -&gt; <a class="type" href="https://doc.rust-lang.org/nightly/std/io/error/type.Result.html" title="type std::io::error::Result">Result</a>&lt;<a class="struct" href="../../mio/net/struct.UdpSocket.html" title="struct mio::net::UdpSocket">UdpSocket</a>&gt;</code><a class="srclink" href="../../src/mio/net/udp.rs.html#121-123" title="goto source code">[src]</a></h4><div class="docblock"><p>Creates a UDP socket from the given address.</p>
<h1 id="examples-1" class="section-header"><a href="#examples-1">Examples</a></h1>
<div class="example-wrap"><pre class="rust rust-example-rendered">
<span class="kw">use</span> <span class="ident">mio</span>::<span class="ident">net</span>::<span class="ident">UdpSocket</span>;
<span class="comment">// We must bind it to an open address.</span>
<span class="kw">let</span> <span class="ident">socket</span> <span class="op">=</span> <span class="kw">match</span> <span class="ident">UdpSocket</span>::<span class="ident">bind</span>(<span class="string">&quot;127.0.0.1:0&quot;</span>.<span class="ident">parse</span>()<span class="question-mark">?</span>) {
<span class="prelude-val">Ok</span>(<span class="ident">new_socket</span>) <span class="op">=</span><span class="op">&gt;</span> <span class="ident">new_socket</span>,
<span class="prelude-val">Err</span>(<span class="ident">fail</span>) <span class="op">=</span><span class="op">&gt;</span> {
<span class="comment">// We panic! here, but you could try to bind it again on another address.</span>
<span class="macro">panic</span><span class="macro">!</span>(<span class="string">&quot;Failed to bind socket. {:?}&quot;</span>, <span class="ident">fail</span>);
}
};
<span class="comment">// Our socket was created, but we should not use it before checking it&#39;s readiness.</span></pre></div>
</div><h4 id="method.from_std" class="method"><code>pub fn <a href="#method.from_std" class="fnname">from_std</a>(socket: <a class="struct" href="https://doc.rust-lang.org/nightly/std/net/udp/struct.UdpSocket.html" title="struct std::net::udp::UdpSocket">UdpSocket</a>) -&gt; <a class="struct" href="../../mio/net/struct.UdpSocket.html" title="struct mio::net::UdpSocket">UdpSocket</a></code><a class="srclink" href="../../src/mio/net/udp.rs.html#131-135" title="goto source code">[src]</a></h4><div class="docblock"><p>Creates a new <code>UdpSocket</code> from a standard <code>net::UdpSocket</code>.</p>
<p>This function is intended to be used to wrap a UDP socket from the
standard library in the Mio equivalent. The conversion assumes nothing
about the underlying socket; it is left up to the user to set it in
non-blocking mode.</p>
</div><h4 id="method.local_addr" class="method"><code>pub fn <a href="#method.local_addr" class="fnname">local_addr</a>(&amp;self) -&gt; <a class="type" href="https://doc.rust-lang.org/nightly/std/io/error/type.Result.html" title="type std::io::error::Result">Result</a>&lt;<a class="enum" href="https://doc.rust-lang.org/nightly/std/net/addr/enum.SocketAddr.html" title="enum std::net::addr::SocketAddr">SocketAddr</a>&gt;</code><a class="srclink" href="../../src/mio/net/udp.rs.html#160-162" title="goto source code">[src]</a></h4><div class="docblock"><p>Returns the socket address that this socket was created from.</p>
<h1 id="examples-2" class="section-header"><a href="#examples-2">Examples</a></h1>
<div class="example-wrap"><pre class="rust rust-example-rendered">
<span class="kw">use</span> <span class="ident">mio</span>::<span class="ident">net</span>::<span class="ident">UdpSocket</span>;
<span class="kw">let</span> <span class="ident">addr</span> <span class="op">=</span> <span class="string">&quot;127.0.0.1:0&quot;</span>.<span class="ident">parse</span>()<span class="question-mark">?</span>;
<span class="kw">let</span> <span class="ident">socket</span> <span class="op">=</span> <span class="ident">UdpSocket</span>::<span class="ident">bind</span>(<span class="ident">addr</span>)<span class="question-mark">?</span>;
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">socket</span>.<span class="ident">local_addr</span>()<span class="question-mark">?</span>.<span class="ident">ip</span>(), <span class="ident">addr</span>.<span class="ident">ip</span>());</pre></div>
</div><h4 id="method.send_to" class="method"><code>pub fn <a href="#method.send_to" class="fnname">send_to</a>(&amp;self, buf: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">&amp;[</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">]</a>, target: <a class="enum" href="https://doc.rust-lang.org/nightly/std/net/addr/enum.SocketAddr.html" title="enum std::net::addr::SocketAddr">SocketAddr</a>) -&gt; <a class="type" href="https://doc.rust-lang.org/nightly/std/io/error/type.Result.html" title="type std::io::error::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>&gt;</code><a class="srclink" href="../../src/mio/net/udp.rs.html#188-190" title="goto source code">[src]</a></h4><div class="docblock"><p>Sends data on the socket to the given address. On success, returns the
number of bytes written.</p>
<p>Address type can be any implementor of <code>ToSocketAddrs</code> trait. See its
documentation for concrete examples.</p>
<h1 id="examples-3" class="section-header"><a href="#examples-3">Examples</a></h1>
<div class="example-wrap"><pre class="rust rust-example-rendered">
<span class="kw">use</span> <span class="ident">mio</span>::<span class="ident">net</span>::<span class="ident">UdpSocket</span>;
<span class="kw">let</span> <span class="ident">socket</span> <span class="op">=</span> <span class="ident">UdpSocket</span>::<span class="ident">bind</span>(<span class="string">&quot;127.0.0.1:0&quot;</span>.<span class="ident">parse</span>()<span class="question-mark">?</span>)<span class="question-mark">?</span>;
<span class="comment">// We must check if the socket is writable before calling send_to,</span>
<span class="comment">// or we could run into a WouldBlock error.</span>
<span class="kw">let</span> <span class="ident">bytes_sent</span> <span class="op">=</span> <span class="ident">socket</span>.<span class="ident">send_to</span>(<span class="kw-2">&amp;</span>[<span class="number">9</span>; <span class="number">9</span>], <span class="string">&quot;127.0.0.1:11100&quot;</span>.<span class="ident">parse</span>()<span class="question-mark">?</span>)<span class="question-mark">?</span>;
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">bytes_sent</span>, <span class="number">9</span>);</pre></div>
</div><h4 id="method.recv_from" class="method"><code>pub fn <a href="#method.recv_from" class="fnname">recv_from</a>(&amp;self, buf: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">&amp;mut [</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">]</a>) -&gt; <a class="type" href="https://doc.rust-lang.org/nightly/std/io/error/type.Result.html" title="type std::io::error::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>, <a class="enum" href="https://doc.rust-lang.org/nightly/std/net/addr/enum.SocketAddr.html" title="enum std::net::addr::SocketAddr">SocketAddr</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">)</a>&gt;</code><a class="srclink" href="../../src/mio/net/udp.rs.html#223-225" title="goto source code">[src]</a></h4><div class="docblock"><p>Receives data from the socket. On success, returns the number of bytes
read and the address from whence the data came.</p>
<h1 id="notes" class="section-header"><a href="#notes">Notes</a></h1>
<p>On Windows, if the data is larger than the buffer specified, the buffer
is filled with the first part of the data, and recv_from returns the error
WSAEMSGSIZE(10040). The excess data is lost.
Make sure to always use a sufficiently large buffer to hold the
maximum UDP packet size, which can be up to 65536 bytes in size.</p>
<h1 id="examples-4" class="section-header"><a href="#examples-4">Examples</a></h1>
<div class="example-wrap"><pre class="rust rust-example-rendered">
<span class="kw">use</span> <span class="ident">mio</span>::<span class="ident">net</span>::<span class="ident">UdpSocket</span>;
<span class="kw">let</span> <span class="ident">socket</span> <span class="op">=</span> <span class="ident">UdpSocket</span>::<span class="ident">bind</span>(<span class="string">&quot;127.0.0.1:0&quot;</span>.<span class="ident">parse</span>()<span class="question-mark">?</span>)<span class="question-mark">?</span>;
<span class="comment">// We must check if the socket is readable before calling recv_from,</span>
<span class="comment">// or we could run into a WouldBlock error.</span>
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">buf</span> <span class="op">=</span> [<span class="number">0</span>; <span class="number">9</span>];
<span class="kw">let</span> (<span class="ident">num_recv</span>, <span class="ident">from_addr</span>) <span class="op">=</span> <span class="ident">socket</span>.<span class="ident">recv_from</span>(<span class="kw-2">&amp;</span><span class="kw-2">mut</span> <span class="ident">buf</span>)<span class="question-mark">?</span>;
<span class="macro">println</span><span class="macro">!</span>(<span class="string">&quot;Received {:?} -&gt; {:?} bytes from {:?}&quot;</span>, <span class="ident">buf</span>, <span class="ident">num_recv</span>, <span class="ident">from_addr</span>);</pre></div>
</div><h4 id="method.peek_from" class="method"><code>pub fn <a href="#method.peek_from" class="fnname">peek_from</a>(&amp;self, buf: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">&amp;mut [</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">]</a>) -&gt; <a class="type" href="https://doc.rust-lang.org/nightly/std/io/error/type.Result.html" title="type std::io::error::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>, <a class="enum" href="https://doc.rust-lang.org/nightly/std/net/addr/enum.SocketAddr.html" title="enum std::net::addr::SocketAddr">SocketAddr</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">)</a>&gt;</code><a class="srclink" href="../../src/mio/net/udp.rs.html#259-261" title="goto source code">[src]</a></h4><div class="docblock"><p>Receives data from the socket, without removing it from the input queue.
On success, returns the number of bytes read and the address from whence
the data came.</p>
<h1 id="notes-1" class="section-header"><a href="#notes-1">Notes</a></h1>
<p>On Windows, if the data is larger than the buffer specified, the buffer
is filled with the first part of the data, and peek_from returns the error
WSAEMSGSIZE(10040). The excess data is lost.
Make sure to always use a sufficiently large buffer to hold the
maximum UDP packet size, which can be up to 65536 bytes in size.</p>
<h1 id="examples-5" class="section-header"><a href="#examples-5">Examples</a></h1>
<div class="example-wrap"><pre class="rust rust-example-rendered">
<span class="kw">use</span> <span class="ident">mio</span>::<span class="ident">net</span>::<span class="ident">UdpSocket</span>;
<span class="kw">let</span> <span class="ident">socket</span> <span class="op">=</span> <span class="ident">UdpSocket</span>::<span class="ident">bind</span>(<span class="string">&quot;127.0.0.1:0&quot;</span>.<span class="ident">parse</span>()<span class="question-mark">?</span>)<span class="question-mark">?</span>;
<span class="comment">// We must check if the socket is readable before calling recv_from,</span>
<span class="comment">// or we could run into a WouldBlock error.</span>
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">buf</span> <span class="op">=</span> [<span class="number">0</span>; <span class="number">9</span>];
<span class="kw">let</span> (<span class="ident">num_recv</span>, <span class="ident">from_addr</span>) <span class="op">=</span> <span class="ident">socket</span>.<span class="ident">peek_from</span>(<span class="kw-2">&amp;</span><span class="kw-2">mut</span> <span class="ident">buf</span>)<span class="question-mark">?</span>;
<span class="macro">println</span><span class="macro">!</span>(<span class="string">&quot;Received {:?} -&gt; {:?} bytes from {:?}&quot;</span>, <span class="ident">buf</span>, <span class="ident">num_recv</span>, <span class="ident">from_addr</span>);</pre></div>
</div><h4 id="method.send" class="method"><code>pub fn <a href="#method.send" class="fnname">send</a>(&amp;self, buf: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">&amp;[</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">]</a>) -&gt; <a class="type" href="https://doc.rust-lang.org/nightly/std/io/error/type.Result.html" title="type std::io::error::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>&gt;</code><a class="srclink" href="../../src/mio/net/udp.rs.html#265-267" title="goto source code">[src]</a></h4><div class="docblock"><p>Sends data on the socket to the address previously bound via connect(). On success,
returns the number of bytes written.</p>
</div><h4 id="method.recv" class="method"><code>pub fn <a href="#method.recv" class="fnname">recv</a>(&amp;self, buf: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">&amp;mut [</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">]</a>) -&gt; <a class="type" href="https://doc.rust-lang.org/nightly/std/io/error/type.Result.html" title="type std::io::error::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>&gt;</code><a class="srclink" href="../../src/mio/net/udp.rs.html#279-281" title="goto source code">[src]</a></h4><div class="docblock"><p>Receives data from the socket previously bound with connect(). On success, returns
the number of bytes read.</p>
<h1 id="notes-2" class="section-header"><a href="#notes-2">Notes</a></h1>
<p>On Windows, if the data is larger than the buffer specified, the buffer
is filled with the first part of the data, and recv returns the error
WSAEMSGSIZE(10040). The excess data is lost.
Make sure to always use a sufficiently large buffer to hold the
maximum UDP packet size, which can be up to 65536 bytes in size.</p>
</div><h4 id="method.peek" class="method"><code>pub fn <a href="#method.peek" class="fnname">peek</a>(&amp;self, buf: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">&amp;mut [</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">]</a>) -&gt; <a class="type" href="https://doc.rust-lang.org/nightly/std/io/error/type.Result.html" title="type std::io::error::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>&gt;</code><a class="srclink" href="../../src/mio/net/udp.rs.html#293-295" title="goto source code">[src]</a></h4><div class="docblock"><p>Receives data from the socket, without removing it from the input queue.
On success, returns the number of bytes read.</p>
<h1 id="notes-3" class="section-header"><a href="#notes-3">Notes</a></h1>
<p>On Windows, if the data is larger than the buffer specified, the buffer
is filled with the first part of the data, and peek returns the error
WSAEMSGSIZE(10040). The excess data is lost.
Make sure to always use a sufficiently large buffer to hold the
maximum UDP packet size, which can be up to 65536 bytes in size.</p>
</div><h4 id="method.connect" class="method"><code>pub fn <a href="#method.connect" class="fnname">connect</a>(&amp;self, addr: <a class="enum" href="https://doc.rust-lang.org/nightly/std/net/addr/enum.SocketAddr.html" title="enum std::net::addr::SocketAddr">SocketAddr</a>) -&gt; <a class="type" href="https://doc.rust-lang.org/nightly/std/io/error/type.Result.html" title="type std::io::error::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>&gt;</code><a class="srclink" href="../../src/mio/net/udp.rs.html#300-302" title="goto source code">[src]</a></h4><div class="docblock"><p>Connects the UDP socket setting the default destination for <code>send()</code>
and limiting packets that are read via <code>recv</code> from the address specified
in <code>addr</code>.</p>
</div><h4 id="method.set_broadcast" class="method"><code>pub fn <a href="#method.set_broadcast" class="fnname">set_broadcast</a>(&amp;self, on: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a>) -&gt; <a class="type" href="https://doc.rust-lang.org/nightly/std/io/error/type.Result.html" title="type std::io::error::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>&gt;</code><a class="srclink" href="../../src/mio/net/udp.rs.html#328-330" title="goto source code">[src]</a></h4><div class="docblock"><p>Sets the value of the <code>SO_BROADCAST</code> option for this socket.</p>
<p>When enabled, this socket is allowed to send packets to a broadcast
address.</p>
<h1 id="examples-6" class="section-header"><a href="#examples-6">Examples</a></h1>
<div class="example-wrap"><pre class="rust rust-example-rendered">
<span class="kw">use</span> <span class="ident">mio</span>::<span class="ident">net</span>::<span class="ident">UdpSocket</span>;
<span class="kw">let</span> <span class="ident">broadcast_socket</span> <span class="op">=</span> <span class="ident">UdpSocket</span>::<span class="ident">bind</span>(<span class="string">&quot;127.0.0.1:0&quot;</span>.<span class="ident">parse</span>()<span class="question-mark">?</span>)<span class="question-mark">?</span>;
<span class="kw">if</span> <span class="ident">broadcast_socket</span>.<span class="ident">broadcast</span>()<span class="question-mark">?</span> <span class="op">=</span><span class="op">=</span> <span class="bool-val">false</span> {
<span class="ident">broadcast_socket</span>.<span class="ident">set_broadcast</span>(<span class="bool-val">true</span>)<span class="question-mark">?</span>;
}
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">broadcast_socket</span>.<span class="ident">broadcast</span>()<span class="question-mark">?</span>, <span class="bool-val">true</span>);</pre></div>
</div><h4 id="method.broadcast" class="method"><code>pub fn <a href="#method.broadcast" class="fnname">broadcast</a>(&amp;self) -&gt; <a class="type" href="https://doc.rust-lang.org/nightly/std/io/error/type.Result.html" title="type std::io::error::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a>&gt;</code><a class="srclink" href="../../src/mio/net/udp.rs.html#354-356" title="goto source code">[src]</a></h4><div class="docblock"><p>Gets the value of the <code>SO_BROADCAST</code> option for this socket.</p>
<p>For more information about this option, see
<a href="#method.set_broadcast"><code>set_broadcast</code></a>.</p>
<h1 id="examples-7" class="section-header"><a href="#examples-7">Examples</a></h1>
<div class="example-wrap"><pre class="rust rust-example-rendered">
<span class="kw">use</span> <span class="ident">mio</span>::<span class="ident">net</span>::<span class="ident">UdpSocket</span>;
<span class="kw">let</span> <span class="ident">broadcast_socket</span> <span class="op">=</span> <span class="ident">UdpSocket</span>::<span class="ident">bind</span>(<span class="string">&quot;127.0.0.1:0&quot;</span>.<span class="ident">parse</span>()<span class="question-mark">?</span>)<span class="question-mark">?</span>;
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">broadcast_socket</span>.<span class="ident">broadcast</span>()<span class="question-mark">?</span>, <span class="bool-val">false</span>);</pre></div>
</div><h4 id="method.set_multicast_loop_v4" class="method"><code>pub fn <a href="#method.set_multicast_loop_v4" class="fnname">set_multicast_loop_v4</a>(&amp;self, on: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a>) -&gt; <a class="type" href="https://doc.rust-lang.org/nightly/std/io/error/type.Result.html" title="type std::io::error::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>&gt;</code><a class="srclink" href="../../src/mio/net/udp.rs.html#362-364" title="goto source code">[src]</a></h4><div class="docblock"><p>Sets the value of the <code>IP_MULTICAST_LOOP</code> option for this socket.</p>
<p>If enabled, multicast packets will be looped back to the local socket.
Note that this may not have any affect on IPv6 sockets.</p>
</div><h4 id="method.multicast_loop_v4" class="method"><code>pub fn <a href="#method.multicast_loop_v4" class="fnname">multicast_loop_v4</a>(&amp;self) -&gt; <a class="type" href="https://doc.rust-lang.org/nightly/std/io/error/type.Result.html" title="type std::io::error::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a>&gt;</code><a class="srclink" href="../../src/mio/net/udp.rs.html#372-374" title="goto source code">[src]</a></h4><div class="docblock"><p>Gets the value of the <code>IP_MULTICAST_LOOP</code> option for this socket.</p>
<p>For more information about this option, see
<a href="#method.set_multicast_loop_v4"><code>set_multicast_loop_v4</code></a>.</p>
</div><h4 id="method.set_multicast_ttl_v4" class="method"><code>pub fn <a href="#method.set_multicast_ttl_v4" class="fnname">set_multicast_ttl_v4</a>(&amp;self, ttl: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>) -&gt; <a class="type" href="https://doc.rust-lang.org/nightly/std/io/error/type.Result.html" title="type std::io::error::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>&gt;</code><a class="srclink" href="../../src/mio/net/udp.rs.html#383-385" title="goto source code">[src]</a></h4><div class="docblock"><p>Sets the value of the <code>IP_MULTICAST_TTL</code> option for this socket.</p>
<p>Indicates the time-to-live value of outgoing multicast packets for
this socket. The default value is 1 which means that multicast packets
don't leave the local network unless explicitly requested.</p>
<p>Note that this may not have any affect on IPv6 sockets.</p>
</div><h4 id="method.multicast_ttl_v4" class="method"><code>pub fn <a href="#method.multicast_ttl_v4" class="fnname">multicast_ttl_v4</a>(&amp;self) -&gt; <a class="type" href="https://doc.rust-lang.org/nightly/std/io/error/type.Result.html" title="type std::io::error::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>&gt;</code><a class="srclink" href="../../src/mio/net/udp.rs.html#393-395" title="goto source code">[src]</a></h4><div class="docblock"><p>Gets the value of the <code>IP_MULTICAST_TTL</code> option for this socket.</p>
<p>For more information about this option, see
<a href="#method.set_multicast_ttl_v4"><code>set_multicast_ttl_v4</code></a>.</p>
</div><h4 id="method.set_multicast_loop_v6" class="method"><code>pub fn <a href="#method.set_multicast_loop_v6" class="fnname">set_multicast_loop_v6</a>(&amp;self, on: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a>) -&gt; <a class="type" href="https://doc.rust-lang.org/nightly/std/io/error/type.Result.html" title="type std::io::error::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>&gt;</code><a class="srclink" href="../../src/mio/net/udp.rs.html#401-403" title="goto source code">[src]</a></h4><div class="docblock"><p>Sets the value of the <code>IPV6_MULTICAST_LOOP</code> option for this socket.</p>
<p>Controls whether this socket sees the multicast packets it sends itself.
Note that this may not have any affect on IPv4 sockets.</p>
</div><h4 id="method.multicast_loop_v6" class="method"><code>pub fn <a href="#method.multicast_loop_v6" class="fnname">multicast_loop_v6</a>(&amp;self) -&gt; <a class="type" href="https://doc.rust-lang.org/nightly/std/io/error/type.Result.html" title="type std::io::error::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a>&gt;</code><a class="srclink" href="../../src/mio/net/udp.rs.html#411-413" title="goto source code">[src]</a></h4><div class="docblock"><p>Gets the value of the <code>IPV6_MULTICAST_LOOP</code> option for this socket.</p>
<p>For more information about this option, see
<a href="#method.set_multicast_loop_v6"><code>set_multicast_loop_v6</code></a>.</p>
</div><h4 id="method.set_ttl" class="method"><code>pub fn <a href="#method.set_ttl" class="fnname">set_ttl</a>(&amp;self, ttl: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>) -&gt; <a class="type" href="https://doc.rust-lang.org/nightly/std/io/error/type.Result.html" title="type std::io::error::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>&gt;</code><a class="srclink" href="../../src/mio/net/udp.rs.html#439-441" title="goto source code">[src]</a></h4><div class="docblock"><p>Sets the value for the <code>IP_TTL</code> option on this socket.</p>
<p>This value sets the time-to-live field that is used in every packet sent
from this socket.</p>
<h1 id="examples-8" class="section-header"><a href="#examples-8">Examples</a></h1>
<div class="example-wrap"><pre class="rust rust-example-rendered">
<span class="kw">use</span> <span class="ident">mio</span>::<span class="ident">net</span>::<span class="ident">UdpSocket</span>;
<span class="kw">let</span> <span class="ident">socket</span> <span class="op">=</span> <span class="ident">UdpSocket</span>::<span class="ident">bind</span>(<span class="string">&quot;127.0.0.1:0&quot;</span>.<span class="ident">parse</span>()<span class="question-mark">?</span>)<span class="question-mark">?</span>;
<span class="kw">if</span> <span class="ident">socket</span>.<span class="ident">ttl</span>()<span class="question-mark">?</span> <span class="op">&lt;</span> <span class="number">255</span> {
<span class="ident">socket</span>.<span class="ident">set_ttl</span>(<span class="number">255</span>)<span class="question-mark">?</span>;
}
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">socket</span>.<span class="ident">ttl</span>()<span class="question-mark">?</span>, <span class="number">255</span>);</pre></div>
</div><h4 id="method.ttl" class="method"><code>pub fn <a href="#method.ttl" class="fnname">ttl</a>(&amp;self) -&gt; <a class="type" href="https://doc.rust-lang.org/nightly/std/io/error/type.Result.html" title="type std::io::error::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>&gt;</code><a class="srclink" href="../../src/mio/net/udp.rs.html#466-468" title="goto source code">[src]</a></h4><div class="docblock"><p>Gets the value of the <code>IP_TTL</code> option for this socket.</p>
<p>For more information about this option, see <a href="#method.set_ttl"><code>set_ttl</code></a>.</p>
<h1 id="examples-9" class="section-header"><a href="#examples-9">Examples</a></h1>
<div class="example-wrap"><pre class="rust rust-example-rendered">
<span class="kw">use</span> <span class="ident">mio</span>::<span class="ident">net</span>::<span class="ident">UdpSocket</span>;
<span class="kw">let</span> <span class="ident">socket</span> <span class="op">=</span> <span class="ident">UdpSocket</span>::<span class="ident">bind</span>(<span class="string">&quot;127.0.0.1:0&quot;</span>.<span class="ident">parse</span>()<span class="question-mark">?</span>)<span class="question-mark">?</span>;
<span class="ident">socket</span>.<span class="ident">set_ttl</span>(<span class="number">255</span>)<span class="question-mark">?</span>;
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">socket</span>.<span class="ident">ttl</span>()<span class="question-mark">?</span>, <span class="number">255</span>);</pre></div>
</div><h4 id="method.join_multicast_v4" class="method"><code>pub fn <a href="#method.join_multicast_v4" class="fnname">join_multicast_v4</a>(<br>&nbsp;&nbsp;&nbsp;&nbsp;&amp;self, <br>&nbsp;&nbsp;&nbsp;&nbsp;multiaddr: &amp;<a class="struct" href="https://doc.rust-lang.org/nightly/std/net/ip/struct.Ipv4Addr.html" title="struct std::net::ip::Ipv4Addr">Ipv4Addr</a>, <br>&nbsp;&nbsp;&nbsp;&nbsp;interface: &amp;<a class="struct" href="https://doc.rust-lang.org/nightly/std/net/ip/struct.Ipv4Addr.html" title="struct std::net::ip::Ipv4Addr">Ipv4Addr</a><br>) -&gt; <a class="type" href="https://doc.rust-lang.org/nightly/std/io/error/type.Result.html" title="type std::io::error::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>&gt;</code><a class="srclink" href="../../src/mio/net/udp.rs.html#478-480" title="goto source code">[src]</a></h4><div class="docblock"><p>Executes an operation of the <code>IP_ADD_MEMBERSHIP</code> type.</p>
<p>This function specifies a new multicast group for this socket to join.
The address must be a valid multicast address, and <code>interface</code> is the
address of the local interface with which the system should join the
multicast group. If it's equal to <code>INADDR_ANY</code> then an appropriate
interface is chosen by the system.</p>
</div><h4 id="method.join_multicast_v6" class="method"><code>pub fn <a href="#method.join_multicast_v6" class="fnname">join_multicast_v6</a>(<br>&nbsp;&nbsp;&nbsp;&nbsp;&amp;self, <br>&nbsp;&nbsp;&nbsp;&nbsp;multiaddr: &amp;<a class="struct" href="https://doc.rust-lang.org/nightly/std/net/ip/struct.Ipv6Addr.html" title="struct std::net::ip::Ipv6Addr">Ipv6Addr</a>, <br>&nbsp;&nbsp;&nbsp;&nbsp;interface: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a><br>) -&gt; <a class="type" href="https://doc.rust-lang.org/nightly/std/io/error/type.Result.html" title="type std::io::error::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>&gt;</code><a class="srclink" href="../../src/mio/net/udp.rs.html#488-490" title="goto source code">[src]</a></h4><div class="docblock"><p>Executes an operation of the <code>IPV6_ADD_MEMBERSHIP</code> type.</p>
<p>This function specifies a new multicast group for this socket to join.
The address must be a valid multicast address, and <code>interface</code> is the
index of the interface to join/leave (or 0 to indicate any interface).</p>
</div><h4 id="method.leave_multicast_v4" class="method"><code>pub fn <a href="#method.leave_multicast_v4" class="fnname">leave_multicast_v4</a>(<br>&nbsp;&nbsp;&nbsp;&nbsp;&amp;self, <br>&nbsp;&nbsp;&nbsp;&nbsp;multiaddr: &amp;<a class="struct" href="https://doc.rust-lang.org/nightly/std/net/ip/struct.Ipv4Addr.html" title="struct std::net::ip::Ipv4Addr">Ipv4Addr</a>, <br>&nbsp;&nbsp;&nbsp;&nbsp;interface: &amp;<a class="struct" href="https://doc.rust-lang.org/nightly/std/net/ip/struct.Ipv4Addr.html" title="struct std::net::ip::Ipv4Addr">Ipv4Addr</a><br>) -&gt; <a class="type" href="https://doc.rust-lang.org/nightly/std/io/error/type.Result.html" title="type std::io::error::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>&gt;</code><a class="srclink" href="../../src/mio/net/udp.rs.html#499-501" title="goto source code">[src]</a></h4><div class="docblock"><p>Executes an operation of the <code>IP_DROP_MEMBERSHIP</code> type.</p>
<p>For more information about this option, see
<a href="#method.join_multicast_v4"><code>join_multicast_v4</code></a>.</p>
</div><h4 id="method.leave_multicast_v6" class="method"><code>pub fn <a href="#method.leave_multicast_v6" class="fnname">leave_multicast_v6</a>(<br>&nbsp;&nbsp;&nbsp;&nbsp;&amp;self, <br>&nbsp;&nbsp;&nbsp;&nbsp;multiaddr: &amp;<a class="struct" href="https://doc.rust-lang.org/nightly/std/net/ip/struct.Ipv6Addr.html" title="struct std::net::ip::Ipv6Addr">Ipv6Addr</a>, <br>&nbsp;&nbsp;&nbsp;&nbsp;interface: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a><br>) -&gt; <a class="type" href="https://doc.rust-lang.org/nightly/std/io/error/type.Result.html" title="type std::io::error::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>&gt;</code><a class="srclink" href="../../src/mio/net/udp.rs.html#510-512" title="goto source code">[src]</a></h4><div class="docblock"><p>Executes an operation of the <code>IPV6_DROP_MEMBERSHIP</code> type.</p>
<p>For more information about this option, see
<a href="#method.join_multicast_v6"><code>join_multicast_v6</code></a>.</p>
</div><h4 id="method.only_v6" class="method"><code>pub fn <a href="#method.only_v6" class="fnname">only_v6</a>(&amp;self) -&gt; <a class="type" href="https://doc.rust-lang.org/nightly/std/io/error/type.Result.html" title="type std::io::error::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a>&gt;</code><a class="srclink" href="../../src/mio/net/udp.rs.html#516-518" title="goto source code">[src]</a></h4><div class="docblock"><p>Get the value of the <code>IPV6_V6ONLY</code> option on this socket.</p>
</div><h4 id="method.take_error" class="method"><code>pub fn <a href="#method.take_error" class="fnname">take_error</a>(&amp;self) -&gt; <a class="type" href="https://doc.rust-lang.org/nightly/std/io/error/type.Result.html" title="type std::io::error::Result">Result</a>&lt;<a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="https://doc.rust-lang.org/nightly/std/io/error/struct.Error.html" title="struct std::io::error::Error">Error</a>&gt;&gt;</code><a class="srclink" href="../../src/mio/net/udp.rs.html#525-527" title="goto source code">[src]</a></h4><div class="docblock"><p>Get the value of the <code>SO_ERROR</code> option on this socket.</p>
<p>This will retrieve the stored error in the underlying socket, clearing
the field in the process. This can be useful for checking errors between
calls.</p>
</div></div><h2 id="trait-implementations" class="small-section-header">Trait Implementations<a href="#trait-implementations" class="anchor"></a></h2><div id="trait-implementations-list"><h3 id="impl-AsRawFd" class="impl"><code class="in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/std/sys/unix/ext/io/trait.AsRawFd.html" title="trait std::sys::unix::ext::io::AsRawFd">AsRawFd</a> for <a class="struct" href="../../mio/net/struct.UdpSocket.html" title="struct mio::net::UdpSocket">UdpSocket</a></code><a href="#impl-AsRawFd" class="anchor"></a><a class="srclink" href="../../src/mio/net/udp.rs.html#568-572" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.as_raw_fd" class="method hidden"><code>fn <a href="https://doc.rust-lang.org/nightly/std/sys/unix/ext/io/trait.AsRawFd.html#tymethod.as_raw_fd" class="fnname">as_raw_fd</a>(&amp;self) -&gt; <a class="type" href="https://doc.rust-lang.org/nightly/std/sys/unix/ext/io/type.RawFd.html" title="type std::sys::unix::ext::io::RawFd">RawFd</a></code><a class="srclink" href="../../src/mio/net/udp.rs.html#569-571" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Extracts the raw file descriptor. <a href="https://doc.rust-lang.org/nightly/std/sys/unix/ext/io/trait.AsRawFd.html#tymethod.as_raw_fd">Read more</a></p>
</div></div><h3 id="impl-Debug" class="impl"><code class="in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html" title="trait core::fmt::Debug">Debug</a> for <a class="struct" href="../../mio/net/struct.UdpSocket.html" title="struct mio::net::UdpSocket">UdpSocket</a></code><a href="#impl-Debug" class="anchor"></a><a class="srclink" href="../../src/mio/net/udp.rs.html#554-558" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.fmt" class="method hidden"><code>fn <a href="https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html#tymethod.fmt" class="fnname">fmt</a>(&amp;self, f: &amp;mut <a class="struct" href="https://doc.rust-lang.org/nightly/core/fmt/struct.Formatter.html" title="struct core::fmt::Formatter">Formatter</a>&lt;'_&gt;) -&gt; <a class="type" href="https://doc.rust-lang.org/nightly/core/fmt/type.Result.html" title="type core::fmt::Result">Result</a></code><a class="srclink" href="../../src/mio/net/udp.rs.html#555-557" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Formats the value using the given formatter. <a href="https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html#tymethod.fmt">Read more</a></p>
</div></div><h3 id="impl-FromRawFd" class="impl"><code class="in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/std/sys/unix/ext/io/trait.FromRawFd.html" title="trait std::sys::unix::ext::io::FromRawFd">FromRawFd</a> for <a class="struct" href="../../mio/net/struct.UdpSocket.html" title="struct mio::net::UdpSocket">UdpSocket</a></code><a href="#impl-FromRawFd" class="anchor"></a><a class="srclink" href="../../src/mio/net/udp.rs.html#575-585" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.from_raw_fd" class="method"><code>unsafe fn <a href="https://doc.rust-lang.org/nightly/std/sys/unix/ext/io/trait.FromRawFd.html#tymethod.from_raw_fd" class="fnname">from_raw_fd</a>(fd: <a class="type" href="https://doc.rust-lang.org/nightly/std/sys/unix/ext/io/type.RawFd.html" title="type std::sys::unix::ext::io::RawFd">RawFd</a>) -&gt; <a class="struct" href="../../mio/net/struct.UdpSocket.html" title="struct mio::net::UdpSocket">UdpSocket</a></code><a class="srclink" href="../../src/mio/net/udp.rs.html#582-584" title="goto source code">[src]</a></h4><div class="docblock"><p>Converts a <code>RawFd</code> to a <code>UdpSocket</code>.</p>
<h1 id="notes-4" class="section-header"><a href="#notes-4">Notes</a></h1>
<p>The caller is responsible for ensuring that the socket is in
non-blocking mode.</p>
</div></div><h3 id="impl-IntoRawFd" class="impl"><code class="in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/std/sys/unix/ext/io/trait.IntoRawFd.html" title="trait std::sys::unix::ext::io::IntoRawFd">IntoRawFd</a> for <a class="struct" href="../../mio/net/struct.UdpSocket.html" title="struct mio::net::UdpSocket">UdpSocket</a></code><a href="#impl-IntoRawFd" class="anchor"></a><a class="srclink" href="../../src/mio/net/udp.rs.html#561-565" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.into_raw_fd" class="method hidden"><code>fn <a href="https://doc.rust-lang.org/nightly/std/sys/unix/ext/io/trait.IntoRawFd.html#tymethod.into_raw_fd" class="fnname">into_raw_fd</a>(self) -&gt; <a class="type" href="https://doc.rust-lang.org/nightly/std/sys/unix/ext/io/type.RawFd.html" title="type std::sys::unix::ext::io::RawFd">RawFd</a></code><a class="srclink" href="../../src/mio/net/udp.rs.html#562-564" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Consumes this object, returning the raw underlying file descriptor. <a href="https://doc.rust-lang.org/nightly/std/sys/unix/ext/io/trait.IntoRawFd.html#tymethod.into_raw_fd">Read more</a></p>
</div></div><h3 id="impl-Source" class="impl"><code class="in-band">impl <a class="trait" href="../../mio/event/trait.Source.html" title="trait mio::event::Source">Source</a> for <a class="struct" href="../../mio/net/struct.UdpSocket.html" title="struct mio::net::UdpSocket">UdpSocket</a></code><a href="#impl-Source" class="anchor"></a><a class="srclink" href="../../src/mio/net/udp.rs.html#530-552" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.register" class="method hidden"><code>fn <a href="../../mio/event/trait.Source.html#tymethod.register" class="fnname">register</a>(<br>&nbsp;&nbsp;&nbsp;&nbsp;&amp;mut self, <br>&nbsp;&nbsp;&nbsp;&nbsp;registry: &amp;<a class="struct" href="../../mio/struct.Registry.html" title="struct mio::Registry">Registry</a>, <br>&nbsp;&nbsp;&nbsp;&nbsp;token: <a class="struct" href="../../mio/struct.Token.html" title="struct mio::Token">Token</a>, <br>&nbsp;&nbsp;&nbsp;&nbsp;interests: <a class="struct" href="../../mio/struct.Interest.html" title="struct mio::Interest">Interest</a><br>) -&gt; <a class="type" href="https://doc.rust-lang.org/nightly/std/io/error/type.Result.html" title="type std::io::error::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>&gt;</code><a class="srclink" href="../../src/mio/net/udp.rs.html#531-538" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Register <code>self</code> with the given <code>Registry</code> instance. <a href="../../mio/event/trait.Source.html#tymethod.register">Read more</a></p>
</div><h4 id="method.reregister" class="method hidden"><code>fn <a href="../../mio/event/trait.Source.html#tymethod.reregister" class="fnname">reregister</a>(<br>&nbsp;&nbsp;&nbsp;&nbsp;&amp;mut self, <br>&nbsp;&nbsp;&nbsp;&nbsp;registry: &amp;<a class="struct" href="../../mio/struct.Registry.html" title="struct mio::Registry">Registry</a>, <br>&nbsp;&nbsp;&nbsp;&nbsp;token: <a class="struct" href="../../mio/struct.Token.html" title="struct mio::Token">Token</a>, <br>&nbsp;&nbsp;&nbsp;&nbsp;interests: <a class="struct" href="../../mio/struct.Interest.html" title="struct mio::Interest">Interest</a><br>) -&gt; <a class="type" href="https://doc.rust-lang.org/nightly/std/io/error/type.Result.html" title="type std::io::error::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>&gt;</code><a class="srclink" href="../../src/mio/net/udp.rs.html#540-547" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Re-register <code>self</code> with the given <code>Registry</code> instance. <a href="../../mio/event/trait.Source.html#tymethod.reregister">Read more</a></p>
</div><h4 id="method.deregister" class="method hidden"><code>fn <a href="../../mio/event/trait.Source.html#tymethod.deregister" class="fnname">deregister</a>(&amp;mut self, registry: &amp;<a class="struct" href="../../mio/struct.Registry.html" title="struct mio::Registry">Registry</a>) -&gt; <a class="type" href="https://doc.rust-lang.org/nightly/std/io/error/type.Result.html" title="type std::io::error::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>&gt;</code><a class="srclink" href="../../src/mio/net/udp.rs.html#549-551" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Deregister <code>self</code> from the given <code>Registry</code> instance. <a href="../../mio/event/trait.Source.html#tymethod.deregister">Read more</a></p>
</div></div></div><h2 id="synthetic-implementations" class="small-section-header">Auto Trait Implementations<a href="#synthetic-implementations" class="anchor"></a></h2><div id="synthetic-implementations-list"><h3 id="impl-RefUnwindSafe" class="impl"><code class="in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/std/panic/trait.RefUnwindSafe.html" title="trait std::panic::RefUnwindSafe">RefUnwindSafe</a> for <a class="struct" href="../../mio/net/struct.UdpSocket.html" title="struct mio::net::UdpSocket">UdpSocket</a></code><a href="#impl-RefUnwindSafe" class="anchor"></a></h3><div class="impl-items"></div><h3 id="impl-Send" class="impl"><code class="in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> for <a class="struct" href="../../mio/net/struct.UdpSocket.html" title="struct mio::net::UdpSocket">UdpSocket</a></code><a href="#impl-Send" class="anchor"></a></h3><div class="impl-items"></div><h3 id="impl-Sync" class="impl"><code class="in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> for <a class="struct" href="../../mio/net/struct.UdpSocket.html" title="struct mio::net::UdpSocket">UdpSocket</a></code><a href="#impl-Sync" class="anchor"></a></h3><div class="impl-items"></div><h3 id="impl-Unpin" class="impl"><code class="in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a> for <a class="struct" href="../../mio/net/struct.UdpSocket.html" title="struct mio::net::UdpSocket">UdpSocket</a></code><a href="#impl-Unpin" class="anchor"></a></h3><div class="impl-items"></div><h3 id="impl-UnwindSafe" class="impl"><code class="in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/std/panic/trait.UnwindSafe.html" title="trait std::panic::UnwindSafe">UnwindSafe</a> for <a class="struct" href="../../mio/net/struct.UdpSocket.html" title="struct mio::net::UdpSocket">UdpSocket</a></code><a href="#impl-UnwindSafe" class="anchor"></a></h3><div class="impl-items"></div></div><h2 id="blanket-implementations" class="small-section-header">Blanket Implementations<a href="#blanket-implementations" class="anchor"></a></h2><div id="blanket-implementations-list"><h3 id="impl-Any" class="impl"><code class="in-band">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html" title="trait core::any::Any">Any</a> for T <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;T: 'static + ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,&nbsp;</span></code><a href="#impl-Any" class="anchor"></a><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/any.rs.html#108-112" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.type_id" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html#tymethod.type_id" class="fnname">type_id</a>(&amp;self) -&gt; <a class="struct" href="https://doc.rust-lang.org/nightly/core/any/struct.TypeId.html" title="struct core::any::TypeId">TypeId</a></code><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/any.rs.html#109-111" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Gets the <code>TypeId</code> of <code>self</code>. <a href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html#tymethod.type_id">Read more</a></p>
</div></div><h3 id="impl-Borrow%3CT%3E" class="impl"><code class="in-band">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html" title="trait core::borrow::Borrow">Borrow</a>&lt;T&gt; for T <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;T: ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,&nbsp;</span></code><a href="#impl-Borrow%3CT%3E" class="anchor"></a><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#210-214" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.borrow" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html#tymethod.borrow" class="fnname">borrow</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&amp;</a>T</code><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#211-213" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Immutably borrows from an owned value. <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html#tymethod.borrow">Read more</a></p>
</div></div><h3 id="impl-BorrowMut%3CT%3E" class="impl"><code class="in-band">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html" title="trait core::borrow::BorrowMut">BorrowMut</a>&lt;T&gt; for T <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;T: ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,&nbsp;</span></code><a href="#impl-BorrowMut%3CT%3E" class="anchor"></a><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#217-221" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.borrow_mut" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut" class="fnname">borrow_mut</a>(&amp;mut self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&amp;mut </a>T</code><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#218-220" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Mutably borrows from an owned value. <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut">Read more</a></p>
</div></div><h3 id="impl-From%3CT%3E" class="impl"><code class="in-band">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html" title="trait core::convert::From">From</a>&lt;T&gt; for T</code><a href="#impl-From%3CT%3E" class="anchor"></a><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#552-556" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.from" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html#tymethod.from" class="fnname">from</a>(t: T) -&gt; T</code><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#553-555" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Performs the conversion.</p>
</div></div><h3 id="impl-Into%3CU%3E" class="impl"><code class="in-band">impl&lt;T, U&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a>&lt;U&gt; for T <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;U: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html" title="trait core::convert::From">From</a>&lt;T&gt;,&nbsp;</span></code><a href="#impl-Into%3CU%3E" class="anchor"></a><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#541-548" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.into" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html#tymethod.into" class="fnname">into</a>(self) -&gt; U</code><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#545-547" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Performs the conversion.</p>
</div></div><h3 id="impl-TryFrom%3CU%3E" class="impl"><code class="in-band">impl&lt;T, U&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a>&lt;U&gt; for T <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;U: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a>&lt;T&gt;,&nbsp;</span></code><a href="#impl-TryFrom%3CU%3E" class="anchor"></a><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#589-598" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="associatedtype.Error" class="type"><code>type <a href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" class="type">Error</a> = <a class="enum" href="https://doc.rust-lang.org/nightly/core/convert/enum.Infallible.html" title="enum core::convert::Infallible">Infallible</a></code></h4><div class='docblock'><p>The type returned in the event of a conversion error.</p>
</div><h4 id="method.try_from" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#tymethod.try_from" class="fnname">try_from</a>(value: U) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;T, &lt;T as <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a>&lt;U&gt;&gt;::<a class="type" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a>&gt;</code><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#595-597" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Performs the conversion.</p>
</div></div><h3 id="impl-TryInto%3CU%3E" class="impl"><code class="in-band">impl&lt;T, U&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html" title="trait core::convert::TryInto">TryInto</a>&lt;U&gt; for T <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;U: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a>&lt;T&gt;,&nbsp;</span></code><a href="#impl-TryInto%3CU%3E" class="anchor"></a><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#575-584" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="associatedtype.Error-1" class="type"><code>type <a href="https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html#associatedtype.Error" class="type">Error</a> = &lt;U as <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a>&lt;T&gt;&gt;::<a class="type" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a></code></h4><div class='docblock'><p>The type returned in the event of a conversion error.</p>
</div><h4 id="method.try_into" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html#tymethod.try_into" class="fnname">try_into</a>(self) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;U, &lt;U as <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a>&lt;T&gt;&gt;::<a class="type" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a>&gt;</code><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#581-583" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Performs the conversion.</p>
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