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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="A wrapper around a byte buffer that is incrementally filled and initialized."><title>ReadBuf in actix_codec - Rust</title><script>if(window.location.protocol!=="file:")document.head.insertAdjacentHTML("beforeend","SourceSerif4-Regular-46f98efaafac5295.ttf.woff2,FiraSans-Regular-018c141bf0843ffd.woff2,FiraSans-Medium-8f9a781e4970d388.woff2,SourceCodePro-Regular-562dcc5011b6de7d.ttf.woff2,SourceCodePro-Semibold-d899c5a5c4aeb14a.ttf.woff2".split(",").map(f=>`<link rel="preload" as="font" type="font/woff2" crossorigin href="../static.files/${f}">`).join(""))</script><link rel="stylesheet" href="../static.files/normalize-76eba96aa4d2e634.css"><link rel="stylesheet" href="../static.files/rustdoc-b778ab399e080a4b.css"><meta name="rustdoc-vars" data-root-path="../" data-static-root-path="../static.files/" data-current-crate="actix_codec" data-themes="" data-resource-suffix="" data-rustdoc-version="1.83.0-nightly (7608018cb 2024-09-29)" data-channel="nightly" data-search-js="search-e056c65ede92db13.js" data-settings-js="settings-805db61a62df4bd2.js" ><script src="../static.files/storage-1d39b6787ed640ff.js"></script><script defer src="sidebar-items.js"></script><script defer src="../static.files/main-54bc299d2a5e4e43.js"></script><noscript><link rel="stylesheet" href="../static.files/noscript-0111fcff984fae8f.css"></noscript><link rel="icon" href="https://actix.rs/favicon.ico"></head><body class="rustdoc struct"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="mobile-topbar"><button class="sidebar-menu-toggle" title="show sidebar"></button><a class="logo-container" href="../actix_codec/index.html"><img src="https://actix.rs/img/logo.png" alt=""></a></nav><nav class="sidebar"><div class="sidebar-crate"><a class="logo-container" href="../actix_codec/index.html"><img src="https://actix.rs/img/logo.png" alt="logo"></a><h2><a href="../actix_codec/index.html">actix_<wbr>codec</a><span class="version">0.5.2</span></h2></div><div class="sidebar-elems"><section id="rustdoc-toc"><h2 class="location"><a href="#">ReadBuf</a></h2><h3><a href="#implementations">Methods</a></h3><ul class="block method"><li><a href="#method.advance" title="advance">advance</a></li><li><a href="#method.assume_init" title="assume_init">assume_init</a></li><li><a href="#method.capacity" title="capacity">capacity</a></li><li><a href="#method.clear" title="clear">clear</a></li><li><a href="#method.filled" title="filled">filled</a></li><li><a href="#method.filled_mut" title="filled_mut">filled_mut</a></li><li><a href="#method.initialize_unfilled" title="initialize_unfilled">initialize_unfilled</a></li><li><a href="#method.initialize_unfilled_to" title="initialize_unfilled_to">initialize_unfilled_to</a></li><li><a href="#method.initialized" title="initialized">initialized</a></li><li><a href="#method.initialized_mut" title="initialized_mut">initialized_mut</a></li><li><a href="#method.inner_mut" title="inner_mut">inner_mut</a></li><li><a href="#method.new" title="new">new</a></li><li><a href="#method.put_slice" title="put_slice">put_slice</a></li><li><a href="#method.remaining" title="remaining">remaining</a></li><li><a href="#method.set_filled" title="set_filled">set_filled</a></li><li><a href="#method.take" title="take">take</a></li><li><a href="#method.unfilled_mut" title="unfilled_mut">unfilled_mut</a></li><li><a href="#method.uninit" title="uninit">uninit</a></li></ul><h3><a href="#trait-implementations">Trait Implementations</a></h3><ul class="block trait-implementation"><li><a href="#impl-Debug-for-ReadBuf%3C'_%3E" title="Debug">Debug</a></li></ul><h3><a href="#synthetic-implementations">Auto Trait Implementations</a></h3><ul class="block synthetic-implementation"><li><a href="#impl-UnwindSafe-for-ReadBuf%3C'a%3E" title="!UnwindSafe">!UnwindSafe</a></li><li><a href="#impl-Freeze-for-ReadBuf%3C'a%3E" title="Freeze">Freeze</a></li><li><a href="#impl-RefUnwindSafe-for-ReadBuf%3C'a%3E" title="RefUnwindSafe">RefUnwindSafe</a></li><li><a href="#impl-Send-for-ReadBuf%3C'a%3E" title="Send">Send</a></li><li><a href="#impl-Sync-for-ReadBuf%3C'a%3E" title="Sync">Sync</a></li><li><a href="#impl-Unpin-for-ReadBuf%3C'a%3E" title="Unpin">Unpin</a></li></ul><h3><a href="#blanket-implementations">Blanket Implementations</a></h3><ul class="block blanket-implementation"><li><a href="#impl-Any-for-T" title="Any">Any</a></li><li><a href="#impl-Borrow%3CT%3E-for-T" title="Borrow<T>">Borrow<T></a></li><li><a href="#impl-BorrowMut%3CT%3E-for-T" title="BorrowMut<T>">BorrowMut<T></a></li><li><a href="#impl-From%3CT%3E-for-T" title="From<T>">From<T></a></li><li><a href="#impl-Instrument-for-T" title="Instrument">Instrument</a></li><li><a href="#impl-Into%3CU%3E-for-T" title="Into<U>">Into<U></a></li><li><a href="#impl-TryFrom%3CU%3E-for-T" title="TryFrom<U>">TryFrom<U></a></li><li><a href="#impl-TryInto%3CU%3E-for-T" title="TryInto<U>">TryInto<U></a></li><li><a href="#impl-WithSubscriber-for-T" title="WithSubscriber">WithSubscriber</a></li></ul></section><div id="rustdoc-modnav"><h2 class="in-crate"><a href="index.html">In crate actix_<wbr>codec</a></h2></div></div></nav><div class="sidebar-resizer"></div><main><div class="width-limiter"><rustdoc-search></rustdoc-search><section id="main-content" class="content"><div class="main-heading"><span class="rustdoc-breadcrumbs"><a href="index.html">actix_codec</a></span><h1>Struct <span class="struct">ReadBuf</span><button id="copy-path" title="Copy item path to clipboard">Copy item path</button></h1><rustdoc-toolbar></rustdoc-toolbar><span class="sub-heading"></span></div><pre class="rust item-decl"><code>pub struct ReadBuf<'a> { <span class="comment">/* private fields */</span> }</code></pre><details class="toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>A wrapper around a byte buffer that is incrementally filled and initialized.</p>
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<p>This type is a sort of “double cursor”. It tracks three regions in the
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buffer: a region at the beginning of the buffer that has been logically
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filled with data, a region that has been initialized at some point but not
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yet logically filled, and a region at the end that may be uninitialized.
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The filled region is guaranteed to be a subset of the initialized region.</p>
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<p>In summary, the contents of the buffer can be visualized as:</p>
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<div class="example-wrap"><pre class="language-not_rust"><code>[ capacity ]
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[ filled | unfilled ]
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[ initialized | uninitialized ]</code></pre></div>
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<p>It is undefined behavior to de-initialize any bytes from the uninitialized
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region, since it is merely unknown whether this region is uninitialized or
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not, and if part of it turns out to be initialized, it must stay initialized.</p>
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</div></details><h2 id="implementations" class="section-header">Implementations<a href="#implementations" class="anchor">§</a></h2><div id="implementations-list"><details class="toggle implementors-toggle" open><summary><section id="impl-ReadBuf%3C'a%3E" class="impl"><a href="#impl-ReadBuf%3C'a%3E" class="anchor">§</a><h3 class="code-header">impl<'a> <a class="struct" href="struct.ReadBuf.html" title="struct actix_codec::ReadBuf">ReadBuf</a><'a></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.new" class="method"><h4 class="code-header">pub fn <a href="#method.new" class="fn">new</a>(buf: &'a mut [<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>]) -> <a class="struct" href="struct.ReadBuf.html" title="struct actix_codec::ReadBuf">ReadBuf</a><'a></h4></section></summary><div class="docblock"><p>Creates a new <code>ReadBuf</code> from a fully initialized buffer.</p>
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</div></details><details class="toggle method-toggle" open><summary><section id="method.uninit" class="method"><h4 class="code-header">pub fn <a href="#method.uninit" class="fn">uninit</a>(buf: &'a mut [<a class="union" href="https://doc.rust-lang.org/nightly/core/mem/maybe_uninit/union.MaybeUninit.html" title="union core::mem::maybe_uninit::MaybeUninit">MaybeUninit</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>>]) -> <a class="struct" href="struct.ReadBuf.html" title="struct actix_codec::ReadBuf">ReadBuf</a><'a></h4></section></summary><div class="docblock"><p>Creates a new <code>ReadBuf</code> from a fully uninitialized buffer.</p>
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<p>Use <code>assume_init</code> if part of the buffer is known to be already initialized.</p>
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</div></details><details class="toggle method-toggle" open><summary><section id="method.capacity" class="method"><h4 class="code-header">pub fn <a href="#method.capacity" class="fn">capacity</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a></h4></section></summary><div class="docblock"><p>Returns the total capacity of the buffer.</p>
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</div></details><details class="toggle method-toggle" open><summary><section id="method.filled" class="method"><h4 class="code-header">pub fn <a href="#method.filled" class="fn">filled</a>(&self) -> &[<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>] <a href="#" class="tooltip" data-notable-ty="&[u8]">ⓘ</a></h4></section></summary><div class="docblock"><p>Returns a shared reference to the filled portion of the buffer.</p>
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</div></details><details class="toggle method-toggle" open><summary><section id="method.filled_mut" class="method"><h4 class="code-header">pub fn <a href="#method.filled_mut" class="fn">filled_mut</a>(&mut self) -> &mut [<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>] <a href="#" class="tooltip" data-notable-ty="&mut [u8]">ⓘ</a></h4></section></summary><div class="docblock"><p>Returns a mutable reference to the filled portion of the buffer.</p>
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</div></details><details class="toggle method-toggle" open><summary><section id="method.take" class="method"><h4 class="code-header">pub fn <a href="#method.take" class="fn">take</a>(&mut self, n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>) -> <a class="struct" href="struct.ReadBuf.html" title="struct actix_codec::ReadBuf">ReadBuf</a><'_></h4></section></summary><div class="docblock"><p>Returns a new <code>ReadBuf</code> comprised of the unfilled section up to <code>n</code>.</p>
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</div></details><details class="toggle method-toggle" open><summary><section id="method.initialized" class="method"><h4 class="code-header">pub fn <a href="#method.initialized" class="fn">initialized</a>(&self) -> &[<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>] <a href="#" class="tooltip" data-notable-ty="&[u8]">ⓘ</a></h4></section></summary><div class="docblock"><p>Returns a shared reference to the initialized portion of the buffer.</p>
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<p>This includes the filled portion.</p>
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</div></details><details class="toggle method-toggle" open><summary><section id="method.initialized_mut" class="method"><h4 class="code-header">pub fn <a href="#method.initialized_mut" class="fn">initialized_mut</a>(&mut self) -> &mut [<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>] <a href="#" class="tooltip" data-notable-ty="&mut [u8]">ⓘ</a></h4></section></summary><div class="docblock"><p>Returns a mutable reference to the initialized portion of the buffer.</p>
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<p>This includes the filled portion.</p>
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</div></details><details class="toggle method-toggle" open><summary><section id="method.inner_mut" class="method"><h4 class="code-header">pub unsafe fn <a href="#method.inner_mut" class="fn">inner_mut</a>(&mut self) -> &mut [<a class="union" href="https://doc.rust-lang.org/nightly/core/mem/maybe_uninit/union.MaybeUninit.html" title="union core::mem::maybe_uninit::MaybeUninit">MaybeUninit</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>>]</h4></section></summary><div class="docblock"><p>Returns a mutable reference to the entire buffer, without ensuring that it has been fully
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initialized.</p>
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<p>The elements between 0 and <code>self.filled().len()</code> are filled, and those between 0 and
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<code>self.initialized().len()</code> are initialized (and so can be converted to a <code>&mut [u8]</code>).</p>
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<p>The caller of this method must ensure that these invariants are upheld. For example, if the
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caller initializes some of the uninitialized section of the buffer, it must call
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<a href="struct.ReadBuf.html#method.assume_init" title="method actix_codec::ReadBuf::assume_init"><code>assume_init</code></a> with the number of bytes initialized.</p>
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<h5 id="safety"><a class="doc-anchor" href="#safety">§</a>Safety</h5>
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<p>The caller must not de-initialize portions of the buffer that have already been initialized.
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This includes any bytes in the region marked as uninitialized by <code>ReadBuf</code>.</p>
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</div></details><details class="toggle method-toggle" open><summary><section id="method.unfilled_mut" class="method"><h4 class="code-header">pub unsafe fn <a href="#method.unfilled_mut" class="fn">unfilled_mut</a>(&mut self) -> &mut [<a class="union" href="https://doc.rust-lang.org/nightly/core/mem/maybe_uninit/union.MaybeUninit.html" title="union core::mem::maybe_uninit::MaybeUninit">MaybeUninit</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>>]</h4></section></summary><div class="docblock"><p>Returns a mutable reference to the unfilled part of the buffer without ensuring that it has been fully
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initialized.</p>
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<h5 id="safety-1"><a class="doc-anchor" href="#safety-1">§</a>Safety</h5>
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<p>The caller must not de-initialize portions of the buffer that have already been initialized.
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This includes any bytes in the region marked as uninitialized by <code>ReadBuf</code>.</p>
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</div></details><details class="toggle method-toggle" open><summary><section id="method.initialize_unfilled" class="method"><h4 class="code-header">pub fn <a href="#method.initialize_unfilled" class="fn">initialize_unfilled</a>(&mut self) -> &mut [<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>] <a href="#" class="tooltip" data-notable-ty="&mut [u8]">ⓘ</a></h4></section></summary><div class="docblock"><p>Returns a mutable reference to the unfilled part of the buffer, ensuring it is fully initialized.</p>
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<p>Since <code>ReadBuf</code> tracks the region of the buffer that has been initialized, this is effectively “free” after
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the first use.</p>
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</div></details><details class="toggle method-toggle" open><summary><section id="method.initialize_unfilled_to" class="method"><h4 class="code-header">pub fn <a href="#method.initialize_unfilled_to" class="fn">initialize_unfilled_to</a>(&mut self, n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>) -> &mut [<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>] <a href="#" class="tooltip" data-notable-ty="&mut [u8]">ⓘ</a></h4></section></summary><div class="docblock"><p>Returns a mutable reference to the first <code>n</code> bytes of the unfilled part of the buffer, ensuring it is
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fully initialized.</p>
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<h5 id="panics"><a class="doc-anchor" href="#panics">§</a>Panics</h5>
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<p>Panics if <code>self.remaining()</code> is less than <code>n</code>.</p>
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</div></details><details class="toggle method-toggle" open><summary><section id="method.remaining" class="method"><h4 class="code-header">pub fn <a href="#method.remaining" class="fn">remaining</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a></h4></section></summary><div class="docblock"><p>Returns the number of bytes at the end of the slice that have not yet been filled.</p>
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</div></details><details class="toggle method-toggle" open><summary><section id="method.clear" class="method"><h4 class="code-header">pub fn <a href="#method.clear" class="fn">clear</a>(&mut self)</h4></section></summary><div class="docblock"><p>Clears the buffer, resetting the filled region to empty.</p>
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<p>The number of initialized bytes is not changed, and the contents of the buffer are not modified.</p>
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</div></details><details class="toggle method-toggle" open><summary><section id="method.advance" class="method"><h4 class="code-header">pub fn <a href="#method.advance" class="fn">advance</a>(&mut self, n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>)</h4></section></summary><div class="docblock"><p>Advances the size of the filled region of the buffer.</p>
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<p>The number of initialized bytes is not changed.</p>
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<h5 id="panics-1"><a class="doc-anchor" href="#panics-1">§</a>Panics</h5>
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<p>Panics if the filled region of the buffer would become larger than the initialized region.</p>
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</div></details><details class="toggle method-toggle" open><summary><section id="method.set_filled" class="method"><h4 class="code-header">pub fn <a href="#method.set_filled" class="fn">set_filled</a>(&mut self, n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>)</h4></section></summary><div class="docblock"><p>Sets the size of the filled region of the buffer.</p>
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<p>The number of initialized bytes is not changed.</p>
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<p>Note that this can be used to <em>shrink</em> the filled region of the buffer in addition to growing it (for
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example, by a <code>AsyncRead</code> implementation that compresses data in-place).</p>
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<h5 id="panics-2"><a class="doc-anchor" href="#panics-2">§</a>Panics</h5>
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<p>Panics if the filled region of the buffer would become larger than the initialized region.</p>
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</div></details><details class="toggle method-toggle" open><summary><section id="method.assume_init" class="method"><h4 class="code-header">pub unsafe fn <a href="#method.assume_init" class="fn">assume_init</a>(&mut self, n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>)</h4></section></summary><div class="docblock"><p>Asserts that the first <code>n</code> unfilled bytes of the buffer are initialized.</p>
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<p><code>ReadBuf</code> assumes that bytes are never de-initialized, so this method does nothing when called with fewer
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bytes than are already known to be initialized.</p>
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<h5 id="safety-2"><a class="doc-anchor" href="#safety-2">§</a>Safety</h5>
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<p>The caller must ensure that <code>n</code> unfilled bytes of the buffer have already been initialized.</p>
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</div></details><details class="toggle method-toggle" open><summary><section id="method.put_slice" class="method"><h4 class="code-header">pub fn <a href="#method.put_slice" class="fn">put_slice</a>(&mut self, buf: &[<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>])</h4></section></summary><div class="docblock"><p>Appends data to the buffer, advancing the written position and possibly also the initialized position.</p>
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<h5 id="panics-3"><a class="doc-anchor" href="#panics-3">§</a>Panics</h5>
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<p>Panics if <code>self.remaining()</code> is less than <code>buf.len()</code>.</p>
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</div></details></div></details></div><h2 id="trait-implementations" class="section-header">Trait Implementations<a href="#trait-implementations" class="anchor">§</a></h2><div id="trait-implementations-list"><details class="toggle implementors-toggle" open><summary><section id="impl-Debug-for-ReadBuf%3C'_%3E" class="impl"><a href="#impl-Debug-for-ReadBuf%3C'_%3E" class="anchor">§</a><h3 class="code-header">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="struct.ReadBuf.html" title="struct actix_codec::ReadBuf">ReadBuf</a><'_></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.fmt" class="method trait-impl"><a href="#method.fmt" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html#tymethod.fmt" class="fn">fmt</a>(&self, f: &mut <a class="struct" href="https://doc.rust-lang.org/nightly/core/fmt/struct.Formatter.html" title="struct core::fmt::Formatter">Formatter</a><'_>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>, <a class="struct" href="https://doc.rust-lang.org/nightly/core/fmt/struct.Error.html" title="struct core::fmt::Error">Error</a>></h4></section></summary><div class='docblock'>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></div></details></div></details></div><h2 id="synthetic-implementations" class="section-header">Auto Trait Implementations<a href="#synthetic-implementations" class="anchor">§</a></h2><div id="synthetic-implementations-list"><section id="impl-Freeze-for-ReadBuf%3C'a%3E" class="impl"><a href="#impl-Freeze-for-ReadBuf%3C'a%3E" class="anchor">§</a><h3 class="code-header">impl<'a> <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Freeze.html" title="trait core::marker::Freeze">Freeze</a> for <a class="struct" href="struct.ReadBuf.html" title="struct actix_codec::ReadBuf">ReadBuf</a><'a></h3></section><section id="impl-RefUnwindSafe-for-ReadBuf%3C'a%3E" class="impl"><a href="#impl-RefUnwindSafe-for-ReadBuf%3C'a%3E" class="anchor">§</a><h3 class="code-header">impl<'a> <a class="trait" href="https://doc.rust-lang.org/nightly/core/panic/unwind_safe/trait.RefUnwindSafe.html" title="trait core::panic::unwind_safe::RefUnwindSafe">RefUnwindSafe</a> for <a class="struct" href="struct.ReadBuf.html" title="struct actix_codec::ReadBuf">ReadBuf</a><'a></h3></section><section id="impl-Send-for-ReadBuf%3C'a%3E" class="impl"><a href="#impl-Send-for-ReadBuf%3C'a%3E" class="anchor">§</a><h3 class="code-header">impl<'a> <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="struct.ReadBuf.html" title="struct actix_codec::ReadBuf">ReadBuf</a><'a></h3></section><section id="impl-Sync-for-ReadBuf%3C'a%3E" class="impl"><a href="#impl-Sync-for-ReadBuf%3C'a%3E" class="anchor">§</a><h3 class="code-header">impl<'a> <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="struct.ReadBuf.html" title="struct actix_codec::ReadBuf">ReadBuf</a><'a></h3></section><section id="impl-Unpin-for-ReadBuf%3C'a%3E" class="impl"><a href="#impl-Unpin-for-ReadBuf%3C'a%3E" class="anchor">§</a><h3 class="code-header">impl<'a> <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="struct.ReadBuf.html" title="struct actix_codec::ReadBuf">ReadBuf</a><'a></h3></section><section id="impl-UnwindSafe-for-ReadBuf%3C'a%3E" class="impl"><a href="#impl-UnwindSafe-for-ReadBuf%3C'a%3E" class="anchor">§</a><h3 class="code-header">impl<'a> !<a class="trait" href="https://doc.rust-lang.org/nightly/core/panic/unwind_safe/trait.UnwindSafe.html" title="trait core::panic::unwind_safe::UnwindSafe">UnwindSafe</a> for <a class="struct" href="struct.ReadBuf.html" title="struct actix_codec::ReadBuf">ReadBuf</a><'a></h3></section></div><h2 id="blanket-implementations" class="section-header">Blanket Implementations<a href="#blanket-implementations" class="anchor">§</a></h2><div id="blanket-implementations-list"><details class="toggle implementors-toggle"><summary><section id="impl-Any-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/nightly/src/core/any.rs.html#138">source</a><a href="#impl-Any-for-T" class="anchor">§</a><h3 class="code-header">impl<T> <a class="trait" href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html" title="trait core::any::Any">Any</a> for T<div class="where">where
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T: 'static + ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</div></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.type_id" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/nightly/src/core/any.rs.html#139">source</a><a href="#method.type_id" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html#tymethod.type_id" class="fn">type_id</a>(&self) -> <a class="struct" href="https://doc.rust-lang.org/nightly/core/any/struct.TypeId.html" title="struct core::any::TypeId">TypeId</a></h4></section></summary><div class='docblock'>Gets the <code>TypeId</code> of <code>self</code>. <a href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html#tymethod.type_id">Read more</a></div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-Borrow%3CT%3E-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#209">source</a><a href="#impl-Borrow%3CT%3E-for-T" class="anchor">§</a><h3 class="code-header">impl<T> <a class="trait" href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html" title="trait core::borrow::Borrow">Borrow</a><T> for T<div class="where">where
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T: ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</div></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.borrow" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#211">source</a><a href="#method.borrow" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html#tymethod.borrow" class="fn">borrow</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&T</a></h4></section></summary><div class='docblock'>Immutably borrows from an owned value. <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html#tymethod.borrow">Read more</a></div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-BorrowMut%3CT%3E-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#217">source</a><a href="#impl-BorrowMut%3CT%3E-for-T" class="anchor">§</a><h3 class="code-header">impl<T> <a class="trait" href="https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html" title="trait core::borrow::BorrowMut">BorrowMut</a><T> for T<div class="where">where
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T: ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</div></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.borrow_mut" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#218">source</a><a href="#method.borrow_mut" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut" class="fn">borrow_mut</a>(&mut self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&mut T</a></h4></section></summary><div class='docblock'>Mutably borrows from an owned value. <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut">Read more</a></div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-From%3CT%3E-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#765">source</a><a href="#impl-From%3CT%3E-for-T" class="anchor">§</a><h3 class="code-header">impl<T> <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html" title="trait core::convert::From">From</a><T> for T</h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.from" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#768">source</a><a href="#method.from" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html#tymethod.from" class="fn">from</a>(t: T) -> T</h4></section></summary><div class="docblock"><p>Returns the argument unchanged.</p>
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</div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-Instrument-for-T" class="impl"><a href="#impl-Instrument-for-T" class="anchor">§</a><h3 class="code-header">impl<T> Instrument for T</h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.instrument" class="method trait-impl"><a href="#method.instrument" class="anchor">§</a><h4 class="code-header">fn <a class="fn">instrument</a>(self, span: Span) -> Instrumented<Self></h4></section></summary><div class='docblock'>Instruments this type with the provided [<code>Span</code>], returning an
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<code>Instrumented</code> wrapper. <a>Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.in_current_span" class="method trait-impl"><a href="#method.in_current_span" class="anchor">§</a><h4 class="code-header">fn <a class="fn">in_current_span</a>(self) -> Instrumented<Self></h4></section></summary><div class='docblock'>Instruments this type with the <a href="super::Span::current()">current</a> <a href="crate::Span"><code>Span</code></a>, returning an
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<code>Instrumented</code> wrapper. <a>Read more</a></div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-Into%3CU%3E-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#748-750">source</a><a href="#impl-Into%3CU%3E-for-T" class="anchor">§</a><h3 class="code-header">impl<T, U> <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a><U> for T<div class="where">where
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U: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html" title="trait core::convert::From">From</a><T>,</div></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.into" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#758">source</a><a href="#method.into" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html#tymethod.into" class="fn">into</a>(self) -> U</h4></section></summary><div class="docblock"><p>Calls <code>U::from(self)</code>.</p>
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<p>That is, this conversion is whatever the implementation of
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<code><a href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html" title="trait core::convert::From">From</a><T> for U</code> chooses to do.</p>
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</div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-TryFrom%3CU%3E-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#805-807">source</a><a href="#impl-TryFrom%3CU%3E-for-T" class="anchor">§</a><h3 class="code-header">impl<T, U> <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><U> for T<div class="where">where
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U: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a><T>,</div></h3></section></summary><div class="impl-items"><details class="toggle" open><summary><section id="associatedtype.Error-1" class="associatedtype trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#809">source</a><a href="#associatedtype.Error-1" class="anchor">§</a><h4 class="code-header">type <a href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" class="associatedtype">Error</a> = <a class="enum" href="https://doc.rust-lang.org/nightly/core/convert/enum.Infallible.html" title="enum core::convert::Infallible">Infallible</a></h4></section></summary><div class='docblock'>The type returned in the event of a conversion error.</div></details><details class="toggle method-toggle" open><summary><section id="method.try_from" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#812">source</a><a href="#method.try_from" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#tymethod.try_from" class="fn">try_from</a>(value: U) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><T, <T as <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><U>>::<a class="associatedtype" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a>></h4></section></summary><div class='docblock'>Performs the conversion.</div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-TryInto%3CU%3E-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#790-792">source</a><a href="#impl-TryInto%3CU%3E-for-T" class="anchor">§</a><h3 class="code-header">impl<T, U> <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html" title="trait core::convert::TryInto">TryInto</a><U> for T<div class="where">where
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U: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><T>,</div></h3></section></summary><div class="impl-items"><details class="toggle" open><summary><section id="associatedtype.Error" class="associatedtype trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#794">source</a><a href="#associatedtype.Error" class="anchor">§</a><h4 class="code-header">type <a href="https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html#associatedtype.Error" class="associatedtype">Error</a> = <U as <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><T>>::<a class="associatedtype" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a></h4></section></summary><div class='docblock'>The type returned in the event of a conversion error.</div></details><details class="toggle method-toggle" open><summary><section id="method.try_into" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#797">source</a><a href="#method.try_into" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html#tymethod.try_into" class="fn">try_into</a>(self) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><U, <U as <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><T>>::<a class="associatedtype" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a>></h4></section></summary><div class='docblock'>Performs the conversion.</div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-WithSubscriber-for-T" class="impl"><a href="#impl-WithSubscriber-for-T" class="anchor">§</a><h3 class="code-header">impl<T> WithSubscriber for T</h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.with_subscriber" class="method trait-impl"><a href="#method.with_subscriber" class="anchor">§</a><h4 class="code-header">fn <a class="fn">with_subscriber</a><S>(self, subscriber: S) -> WithDispatch<Self><div class="where">where
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S: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a><Dispatch>,</div></h4></section></summary><div class='docblock'>Attaches the provided <a href="super::Subscriber"><code>Subscriber</code></a> to this type, returning a
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[<code>WithDispatch</code>] wrapper. <a>Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.with_current_subscriber" class="method trait-impl"><a href="#method.with_current_subscriber" class="anchor">§</a><h4 class="code-header">fn <a class="fn">with_current_subscriber</a>(self) -> WithDispatch<Self></h4></section></summary><div class='docblock'>Attaches the current <a href="crate::dispatcher#setting-the-default-subscriber">default</a> <a href="super::Subscriber"><code>Subscriber</code></a> to this type, returning a
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[<code>WithDispatch</code>] wrapper. <a>Read more</a></div></details></div></details></div><script type="text/json" id="notable-traits-data">{"&[u8]":"<h3>Notable traits for <code>&[<a class=\"primitive\" href=\"https://doc.rust-lang.org/nightly/std/primitive.u8.html\">u8</a>]</code></h3><pre><code><div class=\"where\">impl <a class=\"trait\" href=\"https://doc.rust-lang.org/nightly/std/io/trait.Read.html\" title=\"trait std::io::Read\">Read</a> for &[<a class=\"primitive\" href=\"https://doc.rust-lang.org/nightly/std/primitive.u8.html\">u8</a>]</div>","&mut [u8]":"<h3>Notable traits for <code>&mut [<a class=\"primitive\" href=\"https://doc.rust-lang.org/nightly/std/primitive.u8.html\">u8</a>]</code></h3><pre><code><div class=\"where\">impl <a class=\"trait\" href=\"https://doc.rust-lang.org/nightly/std/io/trait.Write.html\" title=\"trait std::io::Write\">Write</a> for &mut [<a class=\"primitive\" href=\"https://doc.rust-lang.org/nightly/std/primitive.u8.html\">u8</a>]</div>"}</script></section></div></main></body></html> |