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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 `MmapMut` struct in crate `memmap`."><meta name="keywords" content="rust, rustlang, rust-lang, MmapMut"><title>memmap::MmapMut - 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="../dark.css"><link rel="stylesheet" type="text/css" href="../light.css" id="themeStyle"><script src="../storage.js"></script><noscript><link rel="stylesheet" href="../noscript.css"></noscript><link rel="shortcut icon" href="../favicon.ico"><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='../memmap/index.html'><div class='logo-container'><img src='../rust-logo.png' alt='logo'></div></a><p class='location'>Struct MmapMut</p><div class="sidebar-elems"><div class="block items"><a class="sidebar-title" href="#methods">Methods</a><div class="sidebar-links"><a href="#method.flush">flush</a><a href="#method.flush_async">flush_async</a><a href="#method.flush_async_range">flush_async_range</a><a href="#method.flush_range">flush_range</a><a href="#method.make_exec">make_exec</a><a href="#method.make_read_only">make_read_only</a><a href="#method.map_anon">map_anon</a><a href="#method.map_mut">map_mut</a></div><a class="sidebar-title" href="#deref-methods">Methods from Deref&lt;Target=[u8]&gt;</a><a class="sidebar-title" href="#implementations">Trait Implementations</a><div class="sidebar-links"><a href="#impl-AsMut%3C%5Bu8%5D%3E">AsMut&lt;[u8]&gt;</a><a href="#impl-AsRef%3C%5Bu8%5D%3E">AsRef&lt;[u8]&gt;</a><a href="#impl-Debug">Debug</a><a href="#impl-Deref">Deref</a><a href="#impl-DerefMut">DerefMut</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'>memmap</a></p><script>window.sidebarCurrent = {name: 'MmapMut', 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!"><img src="../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices"></div></div><script src="../theme.js"></script><nav class="sub"><form class="search-form js-only"><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><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/memmap/lib.rs.html#414-416' title='goto
<p>A file-backed <code>MmapMut</code> buffer may be used to read from or write to a file. An anonymous
<code>MmapMut</code> buffer may be used any place that an in-memory byte buffer is needed. Use
<code>MmapOptions</code> for creating memory maps.</p>
<p>See <code>Mmap</code> for the immutable version.</p>
</div><h2 id='methods' class='small-section-header'>Methods<a href='#methods' class='anchor'></a></h2><h3 id='impl' class='impl'><code class='in-band'>impl <a class="struct" href="../memmap/struct.MmapMut.html" title="struct memmap::MmapMut">MmapMut</a></code><a href='#impl' class='anchor'></a><a class='srclink' href='../src/memmap/lib.rs.html#418-589' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.map_mut' class="method"><code id='map_mut.v'>pub unsafe fn <a href='#method.map_mut' class='fnname'>map_mut</a>(file: &amp;<a class="struct" href="https://doc.rust-lang.org/nightly/std/fs/struct.File.html" title="struct std::fs::File">File</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="../memmap/struct.MmapMut.html" title="struct memmap::MmapMut">MmapMut</a>&gt;</code><a class='srclink' href='../src/memmap/lib.rs.html#456-458' title='goto source code'>[src]</a></h4><div class='docblock'><p>Creates a writeable memory map backed by a file.</p>
<p>This is equivalent to calling <code>MmapOptions::new().map_mut(file)</code>.</p>
<h1 id="errors" class="section-header"><a href="#errors">Errors</a></h1>
<p>This method returns an error when the underlying system call fails, which can happen for a
variety of reasons, such as when the file is not open with read and write permissions.</p>
<h1 id="example" class="section-header"><a href="#example">Example</a></h1>
<div class="example-wrap"><pre class="rust rust-example-rendered">
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">fs</span>::<span class="ident">OpenOptions</span>;
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">path</span>::<span class="ident">PathBuf</span>;
<span class="kw">use</span> <span class="ident">memmap</span>::<span class="ident">MmapMut</span>;
<span class="kw">let</span> <span class="ident">path</span>: <span class="ident">PathBuf</span> <span class="op">=</span> <span class="comment">/* path to file */</span>
<span class="kw">let</span> <span class="ident">file</span> <span class="op">=</span> <span class="ident">OpenOptions</span>::<span class="ident">new</span>()
.<span class="ident">read</span>(<span class="bool-val">true</span>)
.<span class="ident">write</span>(<span class="bool-val">true</span>)
.<span class="ident">create</span>(<span class="bool-val">true</span>)
.<span class="ident">open</span>(<span class="kw-2">&amp;</span><span class="ident">path</span>)<span class="question-mark">?</span>;
<span class="ident">file</span>.<span class="ident">set_len</span>(<span class="number">13</span>)<span class="question-mark">?</span>;
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">mmap</span> <span class="op">=</span> <span class="kw">unsafe</span> { <span class="ident">MmapMut</span>::<span class="ident">map_mut</span>(<span class="kw-2">&amp;</span><span class="ident">file</span>)<span class="question-mark">?</span> };
<span class="ident">mmap</span>.<span class="ident">copy_from_slice</span>(<span class="string">b&quot;Hello, world!&quot;</span>);</pre></div>
</div><h4 id='method.map_anon' class="method"><code id='map_anon.v'>pub fn <a href='#method.map_anon' class='fnname'>map_anon</a>(length: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</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="../memmap/struct.MmapMut.html" title="struct memmap::MmapMut">MmapMut</a>&gt;</code><a class='srclink' href='../src/memmap/lib.rs.html#467-469' title='goto source code'>[src]</a></h4><div class='docblock'><p>Creates an anonymous memory map.</p>
<p>This is equivalent to calling <code>MmapOptions::new().len(length).map_anon()</code>.</p>
<h1 id="errors-1" class="section-header"><a href="#errors-1">Errors</a></h1>
<p>This method returns an error when the underlying system call fails.</p>
</div><h4 id='method.flush' class="method"><code id='flush.v'>pub fn <a href='#method.flush' class='fnname'>flush</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.unit.html">()</a>&gt;</code><a class='srclink' href='../src/memmap/lib.rs.html#503-506' title='goto source code'>[src]</a></h4><div class='docblock'><p>Flushes outstanding memory map modifications to disk.</p>
<p>When this method returns with a non-error result, all outstanding changes to a file-backed
memory map are guaranteed to be durably stored. The file's metadata (including last
modification timestamp) may not be updated.</p>
<h1 id="example-1" class="section-header"><a href="#example-1">Example</a></h1>
<div class="example-wrap"><pre class="rust rust-example-rendered">
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">fs</span>::<span class="ident">OpenOptions</span>;
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">io</span>::<span class="ident">Write</span>;
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">path</span>::<span class="ident">PathBuf</span>;
<span class="kw">use</span> <span class="ident">memmap</span>::<span class="ident">MmapMut</span>;
<span class="kw">let</span> <span class="ident">path</span>: <span class="ident">PathBuf</span> <span class="op">=</span> <span class="comment">/* path to file */</span>
<span class="kw">let</span> <span class="ident">file</span> <span class="op">=</span> <span class="ident">OpenOptions</span>::<span class="ident">new</span>().<span class="ident">read</span>(<span class="bool-val">true</span>).<span class="ident">write</span>(<span class="bool-val">true</span>).<span class="ident">create</span>(<span class="bool-val">true</span>).<span class="ident">open</span>(<span class="kw-2">&amp;</span><span class="ident">path</span>)<span class="question-mark">?</span>;
<span class="ident">file</span>.<span class="ident">set_len</span>(<span class="number">128</span>)<span class="question-mark">?</span>;
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">mmap</span> <span class="op">=</span> <span class="kw">unsafe</span> { <span class="ident">MmapMut</span>::<span class="ident">map_mut</span>(<span class="kw-2">&amp;</span><span class="ident">file</span>)<span class="question-mark">?</span> };
(<span class="kw-2">&amp;</span><span class="kw-2">mut</span> <span class="ident">mmap</span>[..]).<span class="ident">write_all</span>(<span class="string">b&quot;Hello, world!&quot;</span>)<span class="question-mark">?</span>;
<span class="ident">mmap</span>.<span class="ident">flush</span>()<span class="question-mark">?</span>;</pre></div>
</div><h4 id='method.flush_async' class="method"><code id='flush_async.v'>pub fn <a href='#method.flush_async' class='fnname'>flush_async</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.unit.html">()</a>&gt;</code><a class='srclink' href='../src/memmap/lib.rs.html#513-516' title='goto source code'>[src]</a></h4><div class='docblock'><p>Asynchronously flushes outstanding memory map modifications to disk.</p>
<p>This method initiates flushing modified pages to durable storage, but it will not wait for
the operation to complete before returning. The file's metadata (including last
modification timestamp) may not be updated.</p>
</div><h4 id='method.flush_range' class="method"><code id='flush_range.v'>pub fn <a href='#method.flush_range' class='fnname'>flush_range</a>(&amp;self, offset: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>, len: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</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/memmap/lib.rs.html#527-529' title='goto source code'>[src]</a></h4><div class='docblock'><p>Flushes outstanding memory map modifications in the range to disk.</p>
<p>The offset and length must be in the bounds of the memory map.</p>
<p>When this method returns with a non-error result, all outstanding changes to a file-backed
memory in the range are guaranteed to be durable stored. The file's metadata (including
last modification timestamp) may not be updated. It is not guaranteed the only the changes
in the specified range are flushed; other outstanding changes to the memory map may be
flushed as well.</p>
</div><h4 id='method.flush_async_range' class="method"><code id='flush_async_range.v'>pub fn <a href='#method.flush_async_range' class='fnname'>flush_async_range</a>(&amp;self, offset: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>, len: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</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/memmap/lib.rs.html#540-542' title='goto source code'>[src]</a></h4><div class='docblock'><p>Asynchronously flushes outstanding memory map modifications in the range to disk.</p>
<p>The offset and length must be in the bounds of the memory map.</p>
<p>This method initiates flushing modified pages to durable storage, but it will not wait for
the operation to complete before returning. The file's metadata (including last
modification timestamp) may not be updated. It is not guaranteed that the only changes
flushed are those in the specified range; other outstanding changes to the memory map may
be flushed as well.</p>
</div><h4 id='method.make_read_only' class="method"><code id='make_read_only.v'>pub fn <a href='#method.make_read_only' class='fnname'>make_read_only</a>(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="struct" href="../memmap/struct.Mmap.html" title="struct memmap::Mmap">Mmap</a>&gt;</code><a class='srclink' href='../src/memmap/lib.rs.html#572-575' title='goto source code'>[src]</a></h4><div class='docblock'><p>Returns an immutable version of this memory mapped buffer.</p>
<p>If the memory map is file-backed, the file must have been opened with read permissions.</p>
<h1 id="errors-2" class="section-header"><a href="#errors-2">Errors</a></h1>
<p>This method returns an error when the underlying system call fails, which can happen for a
variety of reasons, such as when the file has not been opened with read permissions.</p>
<h1 id="example-2" class="section-header"><a href="#example-2">Example</a></h1>
<div class="example-wrap"><pre class="rust rust-example-rendered">
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">io</span>::<span class="ident">Write</span>;
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">path</span>::<span class="ident">PathBuf</span>;
<span class="kw">use</span> <span class="ident">memmap</span>::{<span class="ident">Mmap</span>, <span class="ident">MmapMut</span>};
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">mmap</span> <span class="op">=</span> <span class="ident">MmapMut</span>::<span class="ident">map_anon</span>(<span class="number">128</span>)<span class="question-mark">?</span>;
(<span class="kw-2">&amp;</span><span class="kw-2">mut</span> <span class="ident">mmap</span>[..]).<span class="ident">write</span>(<span class="string">b&quot;Hello, world!&quot;</span>)<span class="question-mark">?</span>;
<span class="kw">let</span> <span class="ident">mmap</span>: <span class="ident">Mmap</span> <span class="op">=</span> <span class="ident">mmap</span>.<span class="ident">make_read_only</span>()<span class="question-mark">?</span>;</pre></div>
</div><h4 id='method.make_exec' class="method"><code id='make_exec.v'>pub fn <a href='#method.make_exec' class='fnname'>make_exec</a>(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="struct" href="../memmap/struct.Mmap.html" title="struct memmap::Mmap">Mmap</a>&gt;</code><a class='srclink' href='../src/memmap/lib.rs.html#585-588' title='goto source code'>[src]</a></h4><div class='docblock'><p>Transition the memory map to be readable and executable.</p>
<p>If the memory map is file-backed, the file must have been opened with execute permissions.</p>
<h1 id="errors-3" class="section-header"><a href="#errors-3">Errors</a></h1>
<p>This method returns an error when the underlying system call fails, which can happen for a
variety of reasons, such as when the file has not been opened with execute permissions.</p>
</div></div><h2 id='implementations' class='small-section-header'>Trait Implementations<a href='#implementations' class='anchor'></a></h2><div id='implementations-list'><h3 id='impl-AsMut%3C%5Bu8%5D%3E' class='impl'><code class='in-band'>impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.AsMut.html" title="trait core::convert::AsMut">AsMut</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">[</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; for <a class="struct" href="../memmap/struct.MmapMut.html" title="struct memmap::MmapMut">MmapMut</a></code><a href='#impl-AsMut%3C%5Bu8%5D%3E' class='anchor'></a><a class='srclink' href='../src/memmap/lib.rs.html#614-619' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.as_mut' class="method hidden"><code id='as_mut.v'>fn <a href='https://doc.rust-lang.org/nightly/core/convert/trait.AsMut.html#tymethod.as_mut' class='fnname'>as_mut</a>(&amp;mut self) -&gt; <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></code><a class='srclink' href='../src/memmap/lib.rs.html#616-618' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Performs the conversion.</p>
</div></div><h3 id='impl-AsRef%3C%5Bu8%5D%3E' class='impl'><code class='in-band'>impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.AsRef.html" title="trait core::convert::AsRef">AsRef</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">[</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; for <a class="struct" href="../memmap/struct.MmapMut.html" title="struct memmap::MmapMut">MmapMut</a></code><a href='#impl-AsRef%3C%5Bu8%5D%3E' class='anchor'></a><a class='srclink' href='../src/memmap/lib.rs.html#607-612' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.as_ref' class="method hidden"><code id='as_ref.v'>fn <a href='https://doc.rust-lang.org/nightly/core/convert/trait.AsRef.html#tymethod.as_ref' class='fnname'>as_ref</a>(&amp;self) -&gt; <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></code><a class='srclink' href='../src/memmap/lib.rs.html#609-611' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Performs the conversion.</p>
</div></div><h3 id='impl-DerefMut' class='impl'><code class='in-band'>impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/deref/trait.DerefMut.html" title="trait core::ops::deref::DerefMut">DerefMut</a> for <a class="struct" href="../memmap/struct.MmapMut.html" title="struct memmap::MmapMut">MmapMut</a></code><a href='#impl-DerefMut' class='anchor'></a><a class='srclink' href='../src/memmap/lib.rs.html#600-605' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.deref_mut' class="method hidden"><code id='deref_mut.v'>fn <a href='https://doc.rust-lang.org/nightly/core/ops/deref/trait.DerefMut.html#tymethod.deref_mut' class='fnname'>deref_mut</a>(&amp;mut self) -&gt; <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></code><a class='srclink' href='../src/memmap/lib.rs.html#602-604' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Mutably dereferences the value.</p>
</div></div><h3 id='impl-Deref' class='impl'><code class='in-band'>impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/deref/trait.Deref.html" title="trait core::ops::deref::Deref">Deref</a> for <a class="struct" href="../memmap/struct.MmapMut.html" title="struct memmap::MmapMut">MmapMut</a></code><a href='#impl-Deref' class='anchor'></a><a class='srclink' href='../src/memmap/lib.rs.html#591-598' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='associatedtype.Target' class="type"><code id='Target.t'>type <a href='https://doc.rust-lang.org/nightly/core/ops/deref/trait.Deref.html#associatedtype.Target' class="type">Target</a> = <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">[</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></code></h4><div class='docblock'><p>The resulting type after dereferencing.</p>
</div><h4 id='method.deref' class="method hidden"><code id='deref.v'>fn <a href='https://doc.rust-lang.org/nightly/core/ops/deref/trait.Deref.html#tymethod.deref' class='fnname'>deref</a>(&amp;self) -&gt; <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></code><a class='srclink' href='../src/memmap/lib.rs.html#595-597' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Dereferences the value.</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="../memmap/struct.MmapMut.html" title="struct memmap::MmapMut">MmapMut</a></code><a href='#impl-Debug' class='anchor'></a><a class='srclink' href='../src/memmap/lib.rs.html#621-628' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.fmt' class="method hidden"><code id='fmt.v'>fn <a href='https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html#tymethod.fmt' class='fnname'>fmt</a>(&amp;self, fmt: &amp;mut <a class="struct" href="https://doc.rust-lang.org/nightly/core/fmt/struct.Formatter.html" title="struct core::fmt::Formatter">Formatter</a>) -&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/memmap/lib.rs.html#622-627' 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></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-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="../memmap/struct.MmapMut.html" title="struct memmap::MmapMut">MmapMut</a></code><a href='#impl-Send' 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="../memmap/struct.MmapMut.html" title="struct memmap::MmapMut">MmapMut</a></code><a href='#impl-Unpin' 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="../memmap/struct.MmapMut.html" title="struct memmap::MmapMut">MmapMut</a></code><a href='#impl-Sync' 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="../memmap/struct.MmapMut.html" title="struct memmap::MmapMut">MmapMut</a></code><a href='#impl-UnwindSafe' class='anchor'></a></h3><div class='impl-items'></div><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="../memmap/struct.MmapMut.html" title="struct memmap::MmapMut">MmapMut</a></code><a href='#impl-RefUnwindSafe' 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-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.rs.html#544-549' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.into' class="method hidden"><code id='into.v'>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.rs.html#546-548' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Performs the conversion.</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.rs.html#553-555' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.from' class="method hidden"><code id='from.v'>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.rs.html#554' 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.rs.html#572-578' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='associatedtype.Error' class="type"><code id='Error.t'>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 id='try_from.v'>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.rs.html#575-577' 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.rs.html#560-567' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='associatedtype.Error-1' class="type"><code id='Error.t-1'>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 id='try_into.v'>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.rs.html#564-566' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Performs the conversion.</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#218-220' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.borrow_mut' class="method hidden"><code id='borrow_mut.v'>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#219' 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-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#213-215' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.borrow' class="method hidden"><code id='borrow.v'>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#214' 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-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#100-102' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.type_id' class="method hidden"><code id='type_id.v'>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#101' 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>
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