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struct.MappedRwLockReadGuard.html
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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="An RAII read lock guard returned by `RwLockReadGuard::map`, which can point to a subfield of the protected data."><meta name="keywords" content="rust, rustlang, rust-lang, MappedRwLockReadGuard"><title>lock_api::MappedRwLockReadGuard - Rust</title><link rel="stylesheet" type="text/css" href="../normalize.css"><link rel="stylesheet" type="text/css" href="../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../light.css" id="themeStyle"><link rel="stylesheet" type="text/css" href="../dark.css" disabled ><link rel="stylesheet" type="text/css" href="../ayu.css" disabled ><script id="default-settings"></script><script src="../storage.js"></script><script src="../crates.js"></script><noscript><link rel="stylesheet" href="../noscript.css"></noscript><link rel="icon" type="image/svg+xml" href="../favicon.svg">
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<link rel="alternate icon" type="image/png" href="../favicon-32x32.png"><style type="text/css">#crate-search{background-image:url("../down-arrow.svg");}</style></head><body class="rustdoc struct"><!--[if lte IE 8]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu" role="button">☰</div><a href='../lock_api/index.html'><div class='logo-container rust-logo'><img src='../rust-logo.png' alt='logo'></div></a><p class="location">Struct MappedRwLockReadGuard</p><div class="sidebar-elems"><div class="block items"><a class="sidebar-title" href="#implementations">Methods</a><div class="sidebar-links"><a href="#method.map">map</a><a href="#method.try_map">try_map</a><a href="#method.unlock_fair">unlock_fair</a></div><a class="sidebar-title" href="#trait-implementations">Trait Implementations</a><div class="sidebar-links"><a href="#impl-Debug">Debug</a><a href="#impl-Deref">Deref</a><a href="#impl-Display">Display</a><a href="#impl-Drop">Drop</a><a href="#impl-Send">Send</a><a href="#impl-Sync">Sync</a></div><a class="sidebar-title" href="#synthetic-implementations">Auto Trait Implementations</a><div class="sidebar-links"><a href="#impl-Unpin">Unpin</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<T></a><a href="#impl-BorrowMut%3CT%3E">BorrowMut<T></a><a href="#impl-From%3CT%3E">From<T></a><a href="#impl-Into%3CU%3E">Into<U></a><a href="#impl-TryFrom%3CU%3E">TryFrom<U></a><a href="#impl-TryInto%3CU%3E">TryInto<U></a></div></div><p class="location"><a href="index.html">lock_api</a></p><div id="sidebar-vars" data-name="MappedRwLockReadGuard" data-ty="struct" data-relpath=""></div><script defer src="sidebar-items.js"></script></div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!" aria-haspopup="menu"><img src="../brush.svg" width="18" height="18" alt="Pick another theme!"></button><div id="theme-choices" role="menu"></div></div><nav class="sub"><form class="search-form"><div class="search-container"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" disabled autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"></div><button type="button" class="help-button">?</button>
<a id="settings-menu" href="../settings.html"><img src="../wheel.svg" width="18" height="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><h1 class="fqn"><span class="in-band">Struct <a href="index.html">lock_api</a>::<wbr><a class="struct" href="">MappedRwLockReadGuard</a></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/lock_api/rwlock.rs.html#1506-1510" title="goto source code">[src]</a></span></h1><div class="docblock type-decl hidden-by-usual-hider"><pre class="rust struct"><span class="docblock attributes top-attr">#[must_use = "if unused the RwLock will immediately unlock"]</span>pub struct MappedRwLockReadGuard<'a, R: <a class="trait" href="../lock_api/trait.RawRwLock.html" title="trait lock_api::RawRwLock">RawRwLock</a>, T: ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>> { /* fields omitted */ }</pre></div><div class="docblock"><p>An RAII read lock guard returned by <code>RwLockReadGuard::map</code>, which can point to a
subfield of the protected data.</p>
<p>The main difference between <code>MappedRwLockReadGuard</code> and <code>RwLockReadGuard</code> is that the
former doesn’t support temporarily unlocking and re-locking, since that
could introduce soundness issues if the locked object is modified by another
thread.</p>
</div><h2 id="implementations" class="small-section-header">Implementations<a href="#implementations" class="anchor"></a></h2><h3 id="impl" class="impl"><code class="in-band">impl<'a, R: <a class="trait" href="../lock_api/trait.RawRwLock.html" title="trait lock_api::RawRwLock">RawRwLock</a> + 'a, T: ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a> + 'a> <a class="struct" href="../lock_api/struct.MappedRwLockReadGuard.html" title="struct lock_api::MappedRwLockReadGuard">MappedRwLockReadGuard</a><'a, R, T></code><a href="#impl" class="anchor"></a><a class="srclink" href="../src/lock_api/rwlock.rs.html#1518-1568" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.map" class="method"><code>pub fn <a href="#method.map" class="fnname">map</a><U: ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, F>(s: Self, f: F) -> <a class="struct" href="../lock_api/struct.MappedRwLockReadGuard.html" title="struct lock_api::MappedRwLockReadGuard">MappedRwLockReadGuard</a><'a, R, U> <span class="where fmt-newline">where<br> F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnOnce.html" title="trait core::ops::function::FnOnce">FnOnce</a>(&T) -> &U, </span></code><a class="srclink" href="../src/lock_api/rwlock.rs.html#1528-1540" title="goto source code">[src]</a></h4><div class="docblock"><p>Make a new <code>MappedRwLockReadGuard</code> for a component of the locked data.</p>
<p>This operation cannot fail as the <code>MappedRwLockReadGuard</code> passed
in already locked the data.</p>
<p>This is an associated function that needs to be
used as <code>MappedRwLockReadGuard::map(...)</code>. A method would interfere with methods of
the same name on the contents of the locked data.</p>
</div><h4 id="method.try_map" class="method"><code>pub fn <a href="#method.try_map" class="fnname">try_map</a><U: ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, F>(<br> s: Self, <br> f: F<br>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><<a class="struct" href="../lock_api/struct.MappedRwLockReadGuard.html" title="struct lock_api::MappedRwLockReadGuard">MappedRwLockReadGuard</a><'a, R, U>, Self> <span class="where fmt-newline">where<br> F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnOnce.html" title="trait core::ops::function::FnOnce">FnOnce</a>(&T) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a><&U>, </span></code><a class="srclink" href="../src/lock_api/rwlock.rs.html#1552-1567" title="goto source code">[src]</a></h4><div class="docblock"><p>Attempts to make a new <code>MappedRwLockReadGuard</code> for a component of the
locked data. The original guard is return if the closure returns <code>None</code>.</p>
<p>This operation cannot fail as the <code>MappedRwLockReadGuard</code> passed
in already locked the data.</p>
<p>This is an associated function that needs to be
used as <code>MappedRwLockReadGuard::map(...)</code>. A method would interfere with methods of
the same name on the contents of the locked data.</p>
</div></div><h3 id="impl-1" class="impl"><code class="in-band">impl<'a, R: <a class="trait" href="../lock_api/trait.RawRwLockFair.html" title="trait lock_api::RawRwLockFair">RawRwLockFair</a> + 'a, T: ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a> + 'a> <a class="struct" href="../lock_api/struct.MappedRwLockReadGuard.html" title="struct lock_api::MappedRwLockReadGuard">MappedRwLockReadGuard</a><'a, R, T></code><a href="#impl-1" class="anchor"></a><a class="srclink" href="../src/lock_api/rwlock.rs.html#1570-1591" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.unlock_fair" class="method"><code>pub fn <a href="#method.unlock_fair" class="fnname">unlock_fair</a>(s: Self)</code><a class="srclink" href="../src/lock_api/rwlock.rs.html#1584-1590" title="goto source code">[src]</a></h4><div class="docblock"><p>Unlocks the <code>RwLock</code> using a fair unlock protocol.</p>
<p>By default, <code>RwLock</code> is unfair and allow the current thread to re-lock
the <code>RwLock</code> before another has the chance to acquire the lock, even if
that thread has been blocked on the <code>RwLock</code> for a long time. This is
the default because it allows much higher throughput as it avoids
forcing a context switch on every <code>RwLock</code> unlock. This can result in one
thread acquiring a <code>RwLock</code> many more times than other threads.</p>
<p>However in some cases it can be beneficial to ensure fairness by forcing
the lock to pass on to a waiting thread if there is one. This is done by
using this method instead of dropping the <code>MappedRwLockReadGuard</code> normally.</p>
</div></div><h2 id="trait-implementations" class="small-section-header">Trait Implementations<a href="#trait-implementations" class="anchor"></a></h2><div id="trait-implementations-list"><h3 id="impl-Debug" class="impl"><code class="in-band">impl<'a, R: <a class="trait" href="../lock_api/trait.RawRwLock.html" title="trait lock_api::RawRwLock">RawRwLock</a> + 'a, T: <a class="trait" href="https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html" title="trait core::fmt::Debug">Debug</a> + ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a> + 'a> <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="../lock_api/struct.MappedRwLockReadGuard.html" title="struct lock_api::MappedRwLockReadGuard">MappedRwLockReadGuard</a><'a, R, T></code><a href="#impl-Debug" class="anchor"></a><a class="srclink" href="../src/lock_api/rwlock.rs.html#1611-1617" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.fmt" class="method hidden"><code>fn <a href="https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html#tymethod.fmt" class="fnname">fmt</a>(&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="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/lock_api/rwlock.rs.html#1614-1616" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Formats the value using the given formatter. <a href="https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html#tymethod.fmt">Read more</a></p>
</div></div><h3 id="impl-Deref" class="impl"><code class="in-band">impl<'a, R: <a class="trait" href="../lock_api/trait.RawRwLock.html" title="trait lock_api::RawRwLock">RawRwLock</a> + 'a, T: ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a> + 'a> <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="../lock_api/struct.MappedRwLockReadGuard.html" title="struct lock_api::MappedRwLockReadGuard">MappedRwLockReadGuard</a><'a, R, T></code><a href="#impl-Deref" class="anchor"></a><a class="srclink" href="../src/lock_api/rwlock.rs.html#1593-1599" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="associatedtype.Target" class="type"><code>type <a href="https://doc.rust-lang.org/nightly/core/ops/deref/trait.Deref.html#associatedtype.Target" class="type">Target</a> = T</code></h4><div class='docblock'><p>The resulting type after dereferencing.</p>
</div><h4 id="method.deref" class="method hidden"><code>fn <a href="https://doc.rust-lang.org/nightly/core/ops/deref/trait.Deref.html#tymethod.deref" class="fnname">deref</a>(&self) -> &T</code><a class="srclink" href="../src/lock_api/rwlock.rs.html#1596-1598" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Dereferences the value.</p>
</div></div><h3 id="impl-Display" class="impl"><code class="in-band">impl<'a, R: <a class="trait" href="../lock_api/trait.RawRwLock.html" title="trait lock_api::RawRwLock">RawRwLock</a> + 'a, T: <a class="trait" href="https://doc.rust-lang.org/nightly/core/fmt/trait.Display.html" title="trait core::fmt::Display">Display</a> + ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a> + 'a> <a class="trait" href="https://doc.rust-lang.org/nightly/core/fmt/trait.Display.html" title="trait core::fmt::Display">Display</a> for <a class="struct" href="../lock_api/struct.MappedRwLockReadGuard.html" title="struct lock_api::MappedRwLockReadGuard">MappedRwLockReadGuard</a><'a, R, T></code><a href="#impl-Display" class="anchor"></a><a class="srclink" href="../src/lock_api/rwlock.rs.html#1619-1625" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.fmt-1" class="method hidden"><code>fn <a href="https://doc.rust-lang.org/nightly/core/fmt/trait.Display.html#tymethod.fmt" class="fnname">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="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/lock_api/rwlock.rs.html#1622-1624" 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.Display.html#tymethod.fmt">Read more</a></p>
</div></div><h3 id="impl-Drop" class="impl"><code class="in-band">impl<'a, R: <a class="trait" href="../lock_api/trait.RawRwLock.html" title="trait lock_api::RawRwLock">RawRwLock</a> + 'a, T: ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a> + 'a> <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/drop/trait.Drop.html" title="trait core::ops::drop::Drop">Drop</a> for <a class="struct" href="../lock_api/struct.MappedRwLockReadGuard.html" title="struct lock_api::MappedRwLockReadGuard">MappedRwLockReadGuard</a><'a, R, T></code><a href="#impl-Drop" class="anchor"></a><a class="srclink" href="../src/lock_api/rwlock.rs.html#1601-1609" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.drop" class="method hidden"><code>fn <a href="https://doc.rust-lang.org/nightly/core/ops/drop/trait.Drop.html#tymethod.drop" class="fnname">drop</a>(&mut self)</code><a class="srclink" href="../src/lock_api/rwlock.rs.html#1603-1608" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Executes the destructor for this type. <a href="https://doc.rust-lang.org/nightly/core/ops/drop/trait.Drop.html#tymethod.drop">Read more</a></p>
</div></div><h3 id="impl-Send" class="impl"><code class="in-band">impl<'a, R: <a class="trait" href="../lock_api/trait.RawRwLock.html" title="trait lock_api::RawRwLock">RawRwLock</a> + 'a, T: ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a> + <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> + '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="../lock_api/struct.MappedRwLockReadGuard.html" title="struct lock_api::MappedRwLockReadGuard">MappedRwLockReadGuard</a><'a, R, T> <span class="where fmt-newline">where<br> R::<a class="type" href="../lock_api/trait.RawRwLock.html#associatedtype.GuardMarker" title="type lock_api::RawRwLock::GuardMarker">GuardMarker</a>: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a>, </span></code><a href="#impl-Send" class="anchor"></a><a class="srclink" href="../src/lock_api/rwlock.rs.html#1513-1516" title="goto source code">[src]</a></h3><div class="impl-items"></div><h3 id="impl-Sync" class="impl"><code class="in-band">impl<'a, R: <a class="trait" href="../lock_api/trait.RawRwLock.html" title="trait lock_api::RawRwLock">RawRwLock</a> + 'a, T: ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a> + <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> + '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="../lock_api/struct.MappedRwLockReadGuard.html" title="struct lock_api::MappedRwLockReadGuard">MappedRwLockReadGuard</a><'a, R, T></code><a href="#impl-Sync" class="anchor"></a><a class="srclink" href="../src/lock_api/rwlock.rs.html#1512" title="goto source code">[src]</a></h3><div class="impl-items"></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-Unpin" class="impl"><code class="in-band">impl<'a, R, T: ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</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="../lock_api/struct.MappedRwLockReadGuard.html" title="struct lock_api::MappedRwLockReadGuard">MappedRwLockReadGuard</a><'a, R, T></code><a href="#impl-Unpin" class="anchor"></a></h3><div class="impl-items"></div></div><h2 id="blanket-implementations" class="small-section-header">Blanket Implementations<a href="#blanket-implementations" class="anchor"></a></h2><div id="blanket-implementations-list"><h3 id="impl-Any" class="impl"><code class="in-band">impl<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 <span class="where fmt-newline">where<br> T: 'static + ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code><a href="#impl-Any" class="anchor"></a><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/any.rs.html#131-135" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.type_id" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html#tymethod.type_id" class="fnname">type_id</a>(&self) -> <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#132" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Gets the <code>TypeId</code> of <code>self</code>. <a href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html#tymethod.type_id">Read more</a></p>
</div></div><h3 id="impl-Borrow%3CT%3E" class="impl"><code class="in-band">impl<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 <span class="where fmt-newline">where<br> T: ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </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#208-213" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.borrow" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html#tymethod.borrow" class="fnname">borrow</a>(&self) -> &T</code><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#210" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Immutably borrows from an owned value. <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html#tymethod.borrow">Read more</a></p>
</div></div><h3 id="impl-BorrowMut%3CT%3E" class="impl"><code class="in-band">impl<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 <span class="where fmt-newline">where<br> T: ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </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#216-220" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.borrow_mut" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut" class="fnname">borrow_mut</a>(&mut self) -> &mut T</code><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#217" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Mutably borrows from an owned value. <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut">Read more</a></p>
</div></div><h3 id="impl-From%3CT%3E" class="impl"><code class="in-band">impl<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</code><a href="#impl-From%3CT%3E" class="anchor"></a><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#544-548" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.from" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html#tymethod.from" class="fnname">from</a>(t: T) -> T</code><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#545" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Performs the conversion.</p>
</div></div><h3 id="impl-Into%3CU%3E" class="impl"><code class="in-band">impl<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 <span class="where fmt-newline">where<br> U: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html" title="trait core::convert::From">From</a><T>, </span></code><a href="#impl-Into%3CU%3E" class="anchor"></a><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#533-540" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.into" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html#tymethod.into" class="fnname">into</a>(self) -> U</code><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#537" 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<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 <span class="where fmt-newline">where<br> U: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a><T>, </span></code><a href="#impl-TryFrom%3CU%3E" class="anchor"></a><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#581-590" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="associatedtype.Error" class="type"><code>type <a href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" class="type">Error</a> = <a class="enum" href="https://doc.rust-lang.org/nightly/core/convert/enum.Infallible.html" title="enum core::convert::Infallible">Infallible</a></code></h4><div class='docblock'><p>The type returned in the event of a conversion error.</p>
</div><h4 id="method.try_from" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#tymethod.try_from" class="fnname">try_from</a>(value: U) -> <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="type" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a>></code><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#587" 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<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 <span class="where fmt-newline">where<br> U: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><T>, </span></code><a href="#impl-TryInto%3CU%3E" class="anchor"></a><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#567-576" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="associatedtype.Error-1" class="type"><code>type <a href="https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html#associatedtype.Error" class="type">Error</a> = <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="type" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a></code></h4><div class='docblock'><p>The type returned in the event of a conversion error.</p>
</div><h4 id="method.try_into" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html#tymethod.try_into" class="fnname">try_into</a>(self) -> <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="type" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a>></code><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#573" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Performs the conversion.</p>
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