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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="Seek bytes asynchronously."><meta name="keywords" content="rust, rustlang, rust-lang, AsyncSeek"><title>AsyncSeek in tokio::io - Rust</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" type="text/css" href="../../normalize.css"><link rel="stylesheet" type="text/css" href="../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../ayu.css" disabled><link rel="stylesheet" type="text/css" href="../../dark.css" disabled><link rel="stylesheet" type="text/css" href="../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../storage.js"></script><script src="../../crates.js"></script><script defer src="../../main.js"></script>
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</a><h2 class="location">Trait AsyncSeek</h2><div class="sidebar-elems"><div class="block items"><h3 class="sidebar-title"><a href="#required-methods">Required Methods</a></h3><div class="sidebar-links"><a href="#tymethod.poll_complete">poll_complete</a><a href="#tymethod.start_seek">start_seek</a></div><h3 class="sidebar-title"><a href="#foreign-impls">Implementations on Foreign Types</a></h3><div class="sidebar-links"><a href="#impl-AsyncSeek-for-%26mut%20T">&mut T</a><a href="#impl-AsyncSeek-for-Box%3CT%3E">Box<T></a><a href="#impl-AsyncSeek-for-Cursor%3CT%3E">Cursor<T></a><a href="#impl-AsyncSeek-for-Pin%3CP%3E">Pin<P></a></div><h3 class="sidebar-title"><a href="#implementors">Implementors</a></h3></div><h2 class="location">Other items in<br><a href="../index.html">tokio</a>::<wbr><a href="index.html">io</a></h2><div id="sidebar-vars" data-name="AsyncSeek" data-ty="trait" data-relpath=""></div><script defer src="sidebar-items.js"></script></div></nav><main><div class="width-limiter"><div class="sub-container"><a class="sub-logo-container" href="../../tokio/index.html"><img class="rust-logo" src="../../rust-logo.png" alt="logo"></a><nav class="sub"><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!" aria-haspopup="menu" title="themes"><img width="18" height="18" alt="Pick another theme!" src="../../brush.svg"></button><div id="theme-choices" role="menu"></div></div><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" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"></div><button type="button" id="help-button" title="help">?</button><a id="settings-menu" href="../../settings.html" title="settings"><img width="18" height="18" alt="Change settings" src="../../wheel.svg"></a></div></form></nav></div><section id="main-content" class="content"><h1 class="fqn"><span class="in-band">Trait <a href="../index.html">tokio</a>::<wbr><a href="index.html">io</a>::<wbr><a class="trait" href="#">AsyncSeek</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../../clipboard.svg" width="19" height="18" alt="Copy item path"></button></span><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">−</span>]</a></span><a class="srclink" href="../../src/tokio/io/async_seek.rs.html#18-47" title="goto source code">[src]</a></span></h1><div class="docblock item-decl"><pre class="rust trait"><code>pub trait AsyncSeek {
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fn <a href="#tymethod.start_seek" class="fnname">start_seek</a>(self: <a class="struct" href="https://doc.rust-lang.org/1.59.0/core/pin/struct.Pin.html" title="struct core::pin::Pin">Pin</a><<a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.reference.html">&mut </a>Self>, position: <a class="enum" href="https://doc.rust-lang.org/1.59.0/std/io/enum.SeekFrom.html" title="enum std::io::SeekFrom">SeekFrom</a>) -> <a class="type" href="https://doc.rust-lang.org/1.59.0/std/io/error/type.Result.html" title="type std::io::error::Result">Result</a><<a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.unit.html">()</a>>;
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<div class="item-spacer"></div> fn <a href="#tymethod.poll_complete" class="fnname">poll_complete</a>(<br> self: <a class="struct" href="https://doc.rust-lang.org/1.59.0/core/pin/struct.Pin.html" title="struct core::pin::Pin">Pin</a><<a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.reference.html">&mut </a>Self>, <br> cx: &mut <a class="struct" href="https://doc.rust-lang.org/1.59.0/core/task/wake/struct.Context.html" title="struct core::task::wake::Context">Context</a><'_><br> ) -> <a class="enum" href="https://doc.rust-lang.org/1.59.0/core/task/poll/enum.Poll.html" title="enum core::task::poll::Poll">Poll</a><<a class="type" href="https://doc.rust-lang.org/1.59.0/std/io/error/type.Result.html" title="type std::io::error::Result">Result</a><<a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.u64.html">u64</a>>>;
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}</code></pre></div><details class="rustdoc-toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>Seek bytes asynchronously.</p>
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<p>This trait is analogous to the <a href="https://doc.rust-lang.org/1.59.0/std/io/trait.Seek.html"><code>std::io::Seek</code></a> trait, but integrates
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with the asynchronous task system. In particular, the <code>start_seek</code>
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method, unlike <a href="https://doc.rust-lang.org/1.59.0/std/io/trait.Seek.html#tymethod.seek"><code>Seek::seek</code></a>, will not block the calling thread.</p>
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<p>Utilities for working with <code>AsyncSeek</code> values are provided by
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<a href="crate::io::AsyncSeekExt"><code>AsyncSeekExt</code></a>.</p>
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</div></details><h2 id="required-methods" class="small-section-header">Required methods<a href="#required-methods" class="anchor"></a></h2><div class="methods"><details class="rustdoc-toggle" open><summary><div id="tymethod.start_seek" class="method has-srclink"><div class="rightside"><a class="srclink" href="../../src/tokio/io/async_seek.rs.html#33" title="goto source code">[src]</a></div><h4 class="code-header">fn <a href="#tymethod.start_seek" class="fnname">start_seek</a>(self: <a class="struct" href="https://doc.rust-lang.org/1.59.0/core/pin/struct.Pin.html" title="struct core::pin::Pin">Pin</a><<a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.reference.html">&mut </a>Self>, position: <a class="enum" href="https://doc.rust-lang.org/1.59.0/std/io/enum.SeekFrom.html" title="enum std::io::SeekFrom">SeekFrom</a>) -> <a class="type" href="https://doc.rust-lang.org/1.59.0/std/io/error/type.Result.html" title="type std::io::error::Result">Result</a><<a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.unit.html">()</a>></h4></div></summary><div class="docblock"><p>Attempts to seek to an offset, in bytes, in a stream.</p>
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<p>A seek beyond the end of a stream is allowed, but behavior is defined
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by the implementation.</p>
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<p>If this function returns successfully, then the job has been submitted.
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To find out when it completes, call <code>poll_complete</code>.</p>
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<h5 id="errors" class="section-header"><a href="#errors">Errors</a></h5>
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<p>This function can return <a href="https://doc.rust-lang.org/1.59.0/std/io/error/enum.ErrorKind.html#variant.Other" title="io::ErrorKind::Other"><code>io::ErrorKind::Other</code></a> in case there is
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another seek in progress. To avoid this, it is advisable that any call
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to <code>start_seek</code> is preceded by a call to <code>poll_complete</code> to ensure all
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pending seeks have completed.</p>
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</div></details><details class="rustdoc-toggle" open><summary><div id="tymethod.poll_complete" class="method has-srclink"><div class="rightside"><a class="srclink" href="../../src/tokio/io/async_seek.rs.html#46" title="goto source code">[src]</a></div><h4 class="code-header">fn <a href="#tymethod.poll_complete" class="fnname">poll_complete</a>(<br> self: <a class="struct" href="https://doc.rust-lang.org/1.59.0/core/pin/struct.Pin.html" title="struct core::pin::Pin">Pin</a><<a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.reference.html">&mut </a>Self>, <br> cx: &mut <a class="struct" href="https://doc.rust-lang.org/1.59.0/core/task/wake/struct.Context.html" title="struct core::task::wake::Context">Context</a><'_><br>) -> <a class="enum" href="https://doc.rust-lang.org/1.59.0/core/task/poll/enum.Poll.html" title="enum core::task::poll::Poll">Poll</a><<a class="type" href="https://doc.rust-lang.org/1.59.0/std/io/error/type.Result.html" title="type std::io::error::Result">Result</a><<a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.u64.html">u64</a>>></h4></div></summary><div class="docblock"><p>Waits for a seek operation to complete.</p>
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<p>If the seek operation completed successfully,
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this method returns the new position from the start of the stream.
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That position can be used later with <a href="https://doc.rust-lang.org/1.59.0/std/io/enum.SeekFrom.html#variant.Start" title="SeekFrom::Start"><code>SeekFrom::Start</code></a>. Repeatedly
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calling this function without calling <code>start_seek</code> might return the
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same result.</p>
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<h5 id="errors-1" class="section-header"><a href="#errors-1">Errors</a></h5>
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<p>Seeking to a negative offset is considered an error.</p>
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</div></details></div><h2 id="foreign-impls" class="small-section-header">Implementations on Foreign Types<a href="#foreign-impls" class="anchor"></a></h2><details class="rustdoc-toggle implementors-toggle"><summary><div id="impl-AsyncSeek-for-Box%3CT%3E" class="impl has-srclink"><div class="rightside"><a class="srclink" href="../../src/tokio/io/async_seek.rs.html#61-63" title="goto source code">[src]</a></div><a href="#impl-AsyncSeek-for-Box%3CT%3E" class="anchor"></a><h3 class="code-header in-band">impl<T: ?<a class="trait" href="https://doc.rust-lang.org/1.59.0/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a> + <a class="trait" href="trait.AsyncSeek.html" title="trait tokio::io::AsyncSeek">AsyncSeek</a> + <a class="trait" href="https://doc.rust-lang.org/1.59.0/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a>> <a class="trait" href="trait.AsyncSeek.html" title="trait tokio::io::AsyncSeek">AsyncSeek</a> for <a class="struct" href="https://doc.rust-lang.org/1.59.0/alloc/boxed/struct.Box.html" title="struct alloc::boxed::Box">Box</a><T></h3></div></summary><div class="impl-items"><div id="method.start_seek" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="../../src/tokio/io/async_seek.rs.html#62" title="goto source code">[src]</a></div><a href="#method.start_seek" class="anchor"></a><h4 class="code-header">fn <a href="#tymethod.start_seek" class="fnname">start_seek</a>(self: <a class="struct" href="https://doc.rust-lang.org/1.59.0/core/pin/struct.Pin.html" title="struct core::pin::Pin">Pin</a><<a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.reference.html">&mut </a>Self>, pos: <a class="enum" href="https://doc.rust-lang.org/1.59.0/std/io/enum.SeekFrom.html" title="enum std::io::SeekFrom">SeekFrom</a>) -> <a class="type" href="https://doc.rust-lang.org/1.59.0/std/io/error/type.Result.html" title="type std::io::error::Result">Result</a><<a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.unit.html">()</a>></h4></div><div id="method.poll_complete" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="../../src/tokio/io/async_seek.rs.html#62" title="goto source code">[src]</a></div><a href="#method.poll_complete" class="anchor"></a><h4 class="code-header">fn <a href="#tymethod.poll_complete" class="fnname">poll_complete</a>(<br> self: <a class="struct" href="https://doc.rust-lang.org/1.59.0/core/pin/struct.Pin.html" title="struct core::pin::Pin">Pin</a><<a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.reference.html">&mut </a>Self>, <br> cx: &mut <a class="struct" href="https://doc.rust-lang.org/1.59.0/core/task/wake/struct.Context.html" title="struct core::task::wake::Context">Context</a><'_><br>) -> <a class="enum" href="https://doc.rust-lang.org/1.59.0/core/task/poll/enum.Poll.html" title="enum core::task::poll::Poll">Poll</a><<a class="type" href="https://doc.rust-lang.org/1.59.0/std/io/error/type.Result.html" title="type std::io::error::Result">Result</a><<a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.u64.html">u64</a>>></h4></div></div></details><details class="rustdoc-toggle implementors-toggle"><summary><div id="impl-AsyncSeek-for-%26mut%20T" class="impl has-srclink"><div class="rightside"><a class="srclink" href="../../src/tokio/io/async_seek.rs.html#65-67" title="goto source code">[src]</a></div><a href="#impl-AsyncSeek-for-%26mut%20T" class="anchor"></a><h3 class="code-header in-band">impl<T: ?<a class="trait" href="https://doc.rust-lang.org/1.59.0/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a> + <a class="trait" href="trait.AsyncSeek.html" title="trait tokio::io::AsyncSeek">AsyncSeek</a> + <a class="trait" href="https://doc.rust-lang.org/1.59.0/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a>> <a class="trait" href="trait.AsyncSeek.html" title="trait tokio::io::AsyncSeek">AsyncSeek</a> for <a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.reference.html">&mut </a>T</h3></div></summary><div class="impl-items"><div id="method.start_seek-1" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="../../src/tokio/io/async_seek.rs.html#66" title="goto source code">[src]</a></div><a href="#method.start_seek-1" class="anchor"></a><h4 class="code-header">fn <a href="#tymethod.start_seek" class="fnname">start_seek</a>(self: <a class="struct" href="https://doc.rust-lang.org/1.59.0/core/pin/struct.Pin.html" title="struct core::pin::Pin">Pin</a><<a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.reference.html">&mut </a>Self>, pos: <a class="enum" href="https://doc.rust-lang.org/1.59.0/std/io/enum.SeekFrom.html" title="enum std::io::SeekFrom">SeekFrom</a>) -> <a class="type" href="https://doc.rust-lang.org/1.59.0/std/io/error/type.Result.html" title="type std::io::error::Result">Result</a><<a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.unit.html">()</a>></h4></div><div id="method.poll_complete-1" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="../../src/tokio/io/async_seek.rs.html#66" title="goto source code">[src]</a></div><a href="#method.poll_complete-1" class="anchor"></a><h4 class="code-header">fn <a href="#tymethod.poll_complete" class="fnname">poll_complete</a>(<br> self: <a class="struct" href="https://doc.rust-lang.org/1.59.0/core/pin/struct.Pin.html" title="struct core::pin::Pin">Pin</a><<a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.reference.html">&mut </a>Self>, <br> cx: &mut <a class="struct" href="https://doc.rust-lang.org/1.59.0/core/task/wake/struct.Context.html" title="struct core::task::wake::Context">Context</a><'_><br>) -> <a class="enum" href="https://doc.rust-lang.org/1.59.0/core/task/poll/enum.Poll.html" title="enum core::task::poll::Poll">Poll</a><<a class="type" href="https://doc.rust-lang.org/1.59.0/std/io/error/type.Result.html" title="type std::io::error::Result">Result</a><<a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.u64.html">u64</a>>></h4></div></div></details><details class="rustdoc-toggle implementors-toggle"><summary><div id="impl-AsyncSeek-for-Pin%3CP%3E" class="impl has-srclink"><div class="rightside"><a class="srclink" href="../../src/tokio/io/async_seek.rs.html#69-81" title="goto source code">[src]</a></div><a href="#impl-AsyncSeek-for-Pin%3CP%3E" class="anchor"></a><h3 class="code-header in-band">impl<P> <a class="trait" href="trait.AsyncSeek.html" title="trait tokio::io::AsyncSeek">AsyncSeek</a> for <a class="struct" href="https://doc.rust-lang.org/1.59.0/core/pin/struct.Pin.html" title="struct core::pin::Pin">Pin</a><P> <span class="where fmt-newline">where<br> P: <a class="trait" href="https://doc.rust-lang.org/1.59.0/core/ops/deref/trait.DerefMut.html" title="trait core::ops::deref::DerefMut">DerefMut</a> + <a class="trait" href="https://doc.rust-lang.org/1.59.0/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a>,<br> P::<a class="associatedtype" href="https://doc.rust-lang.org/1.59.0/core/ops/deref/trait.Deref.html#associatedtype.Target" title="type core::ops::deref::Deref::Target">Target</a>: <a class="trait" href="trait.AsyncSeek.html" title="trait tokio::io::AsyncSeek">AsyncSeek</a>, </span></h3></div></summary><div class="impl-items"><div id="method.start_seek-2" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="../../src/tokio/io/async_seek.rs.html#74-76" title="goto source code">[src]</a></div><a href="#method.start_seek-2" class="anchor"></a><h4 class="code-header">fn <a href="#tymethod.start_seek" class="fnname">start_seek</a>(self: <a class="struct" href="https://doc.rust-lang.org/1.59.0/core/pin/struct.Pin.html" title="struct core::pin::Pin">Pin</a><<a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.reference.html">&mut </a>Self>, pos: <a class="enum" href="https://doc.rust-lang.org/1.59.0/std/io/enum.SeekFrom.html" title="enum std::io::SeekFrom">SeekFrom</a>) -> <a class="type" href="https://doc.rust-lang.org/1.59.0/std/io/error/type.Result.html" title="type std::io::error::Result">Result</a><<a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.unit.html">()</a>></h4></div><div id="method.poll_complete-2" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="../../src/tokio/io/async_seek.rs.html#78-80" title="goto source code">[src]</a></div><a href="#method.poll_complete-2" class="anchor"></a><h4 class="code-header">fn <a href="#tymethod.poll_complete" class="fnname">poll_complete</a>(<br> self: <a class="struct" href="https://doc.rust-lang.org/1.59.0/core/pin/struct.Pin.html" title="struct core::pin::Pin">Pin</a><<a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.reference.html">&mut </a>Self>, <br> cx: &mut <a class="struct" href="https://doc.rust-lang.org/1.59.0/core/task/wake/struct.Context.html" title="struct core::task::wake::Context">Context</a><'_><br>) -> <a class="enum" href="https://doc.rust-lang.org/1.59.0/core/task/poll/enum.Poll.html" title="enum core::task::poll::Poll">Poll</a><<a class="type" href="https://doc.rust-lang.org/1.59.0/std/io/error/type.Result.html" title="type std::io::error::Result">Result</a><<a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.u64.html">u64</a>>></h4></div></div></details><details class="rustdoc-toggle implementors-toggle"><summary><div id="impl-AsyncSeek-for-Cursor%3CT%3E" class="impl has-srclink"><div class="rightside"><a class="srclink" href="../../src/tokio/io/async_seek.rs.html#83-90" title="goto source code">[src]</a></div><a href="#impl-AsyncSeek-for-Cursor%3CT%3E" class="anchor"></a><h3 class="code-header in-band">impl<T: <a class="trait" href="https://doc.rust-lang.org/1.59.0/core/convert/trait.AsRef.html" title="trait core::convert::AsRef">AsRef</a><<a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.slice.html">[</a><a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.u8.html">u8</a><a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.slice.html">]</a>> + <a class="trait" href="https://doc.rust-lang.org/1.59.0/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a>> <a class="trait" href="trait.AsyncSeek.html" title="trait tokio::io::AsyncSeek">AsyncSeek</a> for <a class="struct" href="https://doc.rust-lang.org/1.59.0/std/io/cursor/struct.Cursor.html" title="struct std::io::cursor::Cursor">Cursor</a><T></h3></div></summary><div class="impl-items"><div id="method.start_seek-3" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="../../src/tokio/io/async_seek.rs.html#84-86" title="goto source code">[src]</a></div><a href="#method.start_seek-3" class="anchor"></a><h4 class="code-header">fn <a href="#tymethod.start_seek" class="fnname">start_seek</a>(self: <a class="struct" href="https://doc.rust-lang.org/1.59.0/core/pin/struct.Pin.html" title="struct core::pin::Pin">Pin</a><<a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.reference.html">&mut </a>Self>, pos: <a class="enum" href="https://doc.rust-lang.org/1.59.0/std/io/enum.SeekFrom.html" title="enum std::io::SeekFrom">SeekFrom</a>) -> <a class="type" href="https://doc.rust-lang.org/1.59.0/std/io/error/type.Result.html" title="type std::io::error::Result">Result</a><<a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.unit.html">()</a>></h4></div><div id="method.poll_complete-3" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="../../src/tokio/io/async_seek.rs.html#87-89" title="goto source code">[src]</a></div><a href="#method.poll_complete-3" class="anchor"></a><h4 class="code-header">fn <a href="#tymethod.poll_complete" class="fnname">poll_complete</a>(self: <a class="struct" href="https://doc.rust-lang.org/1.59.0/core/pin/struct.Pin.html" title="struct core::pin::Pin">Pin</a><<a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.reference.html">&mut </a>Self>, _: &mut <a class="struct" href="https://doc.rust-lang.org/1.59.0/core/task/wake/struct.Context.html" title="struct core::task::wake::Context">Context</a><'_>) -> <a class="enum" href="https://doc.rust-lang.org/1.59.0/core/task/poll/enum.Poll.html" title="enum core::task::poll::Poll">Poll</a><<a class="type" href="https://doc.rust-lang.org/1.59.0/std/io/error/type.Result.html" title="type std::io::error::Result">Result</a><<a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.u64.html">u64</a>>></h4></div></div></details><h2 id="implementors" class="small-section-header">Implementors<a href="#implementors" class="anchor"></a></h2><div class="item-list" id="implementors-list"></div><script type="text/javascript" src="../../implementors/tokio/io/trait.AsyncSeek.js" async></script></section><section id="search" class="content hidden"></section></div></main><div id="rustdoc-vars" data-root-path="../../" data-current-crate="tokio" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.59.0 (9d1b2106e 2022-02-23)" ></div>
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