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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 `Clone` + `Send` boxed `Layer`."><title>BoxCloneServiceLayer in tower::util - Rust</title><script>if(window.location.protocol!=="file:")document.head.insertAdjacentHTML("beforeend","SourceSerif4-Regular-6b053e98.ttf.woff2,FiraSans-Italic-81dc35de.woff2,FiraSans-Regular-0fe48ade.woff2,FiraSans-MediumItalic-ccf7e434.woff2,FiraSans-Medium-e1aa3f0a.woff2,SourceCodePro-Regular-8badfe75.ttf.woff2,SourceCodePro-Semibold-aa29a496.ttf.woff2".split(",").map(f=>`<link rel="preload" as="font" type="font/woff2"href="../../static.files/${f}">`).join(""))</script><link rel="stylesheet" href="../../static.files/normalize-9960930a.css"><link rel="stylesheet" href="../../static.files/rustdoc-ca0dd0c4.css"><meta name="rustdoc-vars" data-root-path="../../" data-static-root-path="../../static.files/" data-current-crate="tower" data-themes="" data-resource-suffix="" data-rustdoc-version="1.93.1 (01f6ddf75 2026-02-11) (Arch Linux rust 1:1.93.1-1)" data-channel="1.93.1" data-search-js="search-9e2438ea.js" data-stringdex-js="stringdex-a3946164.js" data-settings-js="settings-c38705f0.js" ><script src="../../static.files/storage-e2aeef58.js"></script><script defer src="sidebar-items.js"></script><script defer src="../../static.files/main-a410ff4d.js"></script><noscript><link rel="stylesheet" href="../../static.files/noscript-263c88ec.css"></noscript><link rel="alternate icon" type="image/png" href="../../static.files/favicon-32x32-eab170b8.png"><link rel="icon" type="image/svg+xml" href="../../static.files/favicon-044be391.svg"></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]--><rustdoc-topbar><h2><a href="#">BoxCloneServiceLayer</a></h2></rustdoc-topbar><nav class="sidebar"><div class="sidebar-crate"><h2><a href="../../tower/index.html">tower</a><span class="version">0.5.3</span></h2></div><div class="sidebar-elems"><section id="rustdoc-toc"><h2 class="location"><a href="#">BoxClone<wbr>Service<wbr>Layer</a></h2><h3><a href="#">Sections</a></h3><ul class="block top-toc"><li><a href="#example" title="Example">Example</a></li></ul><h3><a href="#implementations">Methods</a></h3><ul class="block method"><li><a href="#method.new" title="new">new</a></li></ul><h3><a href="#trait-implementations">Trait Implementations</a></h3><ul class="block trait-implementation"><li><a href="#impl-Clone-for-BoxCloneServiceLayer%3CIn,+T,+U,+E%3E" title="Clone">Clone</a></li><li><a href="#impl-Debug-for-BoxCloneServiceLayer%3CIn,+T,+U,+E%3E" title="Debug">Debug</a></li><li><a href="#impl-Layer%3CIn%3E-for-BoxCloneServiceLayer%3CIn,+T,+U,+E%3E" title="Layer<In>">Layer<In></a></li></ul><h3><a href="#synthetic-implementations">Auto Trait Implementations</a></h3><ul class="block synthetic-implementation"><li><a href="#impl-RefUnwindSafe-for-BoxCloneServiceLayer%3CIn,+T,+U,+E%3E" title="!RefUnwindSafe">!RefUnwindSafe</a></li><li><a href="#impl-UnwindSafe-for-BoxCloneServiceLayer%3CIn,+T,+U,+E%3E" title="!UnwindSafe">!UnwindSafe</a></li><li><a href="#impl-Freeze-for-BoxCloneServiceLayer%3CIn,+T,+U,+E%3E" title="Freeze">Freeze</a></li><li><a href="#impl-Send-for-BoxCloneServiceLayer%3CIn,+T,+U,+E%3E" title="Send">Send</a></li><li><a href="#impl-Sync-for-BoxCloneServiceLayer%3CIn,+T,+U,+E%3E" title="Sync">Sync</a></li><li><a href="#impl-Unpin-for-BoxCloneServiceLayer%3CIn,+T,+U,+E%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-CloneToUninit-for-T" title="CloneToUninit">CloneToUninit</a></li><li><a href="#impl-From%3CT%3E-for-T" title="From<T>">From<T></a></li><li><a href="#impl-Into%3CU%3E-for-T" title="Into<U>">Into<U></a></li><li><a href="#impl-ToOwned-for-T" title="ToOwned">ToOwned</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></ul></section><div id="rustdoc-modnav"><h2><a href="index.html">In tower::<wbr>util</a></h2></div></div></nav><div class="sidebar-resizer" title="Drag to resize sidebar"></div><main><div class="width-limiter"><section id="main-content" class="content"><div class="main-heading"><div class="rustdoc-breadcrumbs"><a href="../index.html">tower</a>::<wbr><a href="index.html">util</a></div><h1>Struct <span class="struct">BoxClone<wbr>Service<wbr>Layer</span> <button id="copy-path" title="Copy item path to clipboard">Copy item path</button></h1><rustdoc-toolbar></rustdoc-toolbar><span class="sub-heading"><a class="src" href="../../src/tower/util/boxed/layer_clone.rs.html#85-87">Source</a> </span></div><pre class="rust item-decl"><code>pub struct BoxCloneServiceLayer<In, T, U, E> { <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 <a href="https://doc.rust-lang.org/1.93.1/core/clone/trait.Clone.html" title="trait core::clone::Clone"><code>Clone</code></a> + <a href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Send.html" title="trait core::marker::Send"><code>Send</code></a> boxed <a href="../trait.Layer.html" title="trait tower::Layer"><code>Layer</code></a>.</p>
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<p><a href="struct.BoxCloneServiceLayer.html" title="struct tower::util::BoxCloneServiceLayer"><code>BoxCloneServiceLayer</code></a> turns a layer into a trait object, allowing both the <a href="../trait.Layer.html" title="trait tower::Layer"><code>Layer</code></a> itself
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and the output <a href="../trait.Service.html" title="trait tower::Service"><code>Service</code></a> to be dynamic, while having consistent types.</p>
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<p>This <a href="../trait.Layer.html" title="trait tower::Layer"><code>Layer</code></a> produces <a href="struct.BoxCloneService.html" title="struct tower::util::BoxCloneService"><code>BoxCloneService</code></a> instances erasing the type of the
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<a href="../trait.Service.html" title="trait tower::Service"><code>Service</code></a> produced by the wrapped <a href="../trait.Layer.html" title="trait tower::Layer"><code>Layer</code></a>.</p>
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<p>This is similar to <a href="struct.BoxLayer.html" title="struct tower::util::BoxLayer"><code>BoxLayer</code></a> except the layer and resulting
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service implements <a href="https://doc.rust-lang.org/1.93.1/core/clone/trait.Clone.html" title="trait core::clone::Clone"><code>Clone</code></a>.</p>
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<h2 id="example"><a class="doc-anchor" href="#example">§</a>Example</h2>
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<p><code>BoxCloneServiceLayer</code> can, for example, be useful to create layers dynamically that otherwise wouldn’t have
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the same types, when the underlying service must be clone (for example, when building a MakeService)
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In this example, we include a <a href="../timeout/index.html" title="mod tower::timeout"><code>Timeout</code></a> layer only if an environment variable is set. We can use
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<code>BoxCloneService</code> to return a consistent type regardless of runtime configuration:</p>
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<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>std::time::Duration;
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<span class="kw">use </span>tower::{Service, ServiceBuilder, BoxError};
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<span class="kw">use </span>tower::util::{BoxCloneServiceLayer, BoxCloneService};
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<span class="kw">fn </span>common_layer<S, T>() -> BoxCloneServiceLayer<S, T, S::Response, BoxError>
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<span class="kw">where
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</span>S: Service<T> + Clone + Send + <span class="lifetime">'static</span>,
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S::Future: Send + <span class="lifetime">'static</span>,
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S::Error: Into<BoxError> + <span class="lifetime">'static</span>,
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{
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<span class="kw">let </span>builder = ServiceBuilder::new()
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.concurrency_limit(<span class="number">100</span>);
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<span class="kw">if </span>std::env::var(<span class="string">"SET_TIMEOUT"</span>).is_ok() {
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<span class="kw">let </span>layer = builder
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.timeout(Duration::from_secs(<span class="number">30</span>))
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.into_inner();
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BoxCloneServiceLayer::new(layer)
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} <span class="kw">else </span>{
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<span class="kw">let </span>layer = builder
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.map_err(Into::into)
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.into_inner();
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BoxCloneServiceLayer::new(layer)
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}
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}
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<span class="comment">// We can clone the layer (this is true of BoxLayer as well)
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</span><span class="kw">let </span>boxed_clone_layer = common_layer();
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<span class="kw">let </span>cloned_layer = boxed_clone_layer.clone();
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<span class="comment">// Using the `BoxCloneServiceLayer` we can create a `BoxCloneService`
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</span><span class="kw">let </span>service: BoxCloneService<Request, Response, BoxError> = ServiceBuilder::new().layer(boxed_clone_layer)
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.service_fn(|req: Request| <span class="kw">async </span>{
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<span class="prelude-val">Ok</span>::<<span class="kw">_</span>, BoxError>(Response::new())
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});
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<span class="comment">// And we can still clone the service
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</span><span class="kw">let </span>cloned_service = service.clone();
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</code></pre></div></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-BoxCloneServiceLayer%3CIn,+T,+U,+E%3E" class="impl"><a class="src rightside" href="../../src/tower/util/boxed/layer_clone.rs.html#89-106">Source</a><a href="#impl-BoxCloneServiceLayer%3CIn,+T,+U,+E%3E" class="anchor">§</a><h3 class="code-header">impl<In, T, U, E> <a class="struct" href="struct.BoxCloneServiceLayer.html" title="struct tower::util::BoxCloneServiceLayer">BoxCloneServiceLayer</a><In, T, U, E></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.new" class="method"><a class="src rightside" href="../../src/tower/util/boxed/layer_clone.rs.html#91-105">Source</a><h4 class="code-header">pub fn <a href="#method.new" class="fn">new</a><L>(inner_layer: L) -> Self<div class="where">where
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L: <a class="trait" href="../trait.Layer.html" title="trait tower::Layer">Layer</a><In> + <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> + <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> + 'static,
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L::<a class="associatedtype" href="../trait.Layer.html#associatedtype.Service" title="type tower::Layer::Service">Service</a>: <a class="trait" href="../trait.Service.html" title="trait tower::Service">Service</a><T, Response = U, Error = E> + <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> + <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a> + 'static,
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<L::<a class="associatedtype" href="../trait.Layer.html#associatedtype.Service" title="type tower::Layer::Service">Service</a> as <a class="trait" href="../trait.Service.html" title="trait tower::Service">Service</a><T>>::<a class="associatedtype" href="../trait.Service.html#associatedtype.Future" title="type tower::Service::Future">Future</a>: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> + 'static,</div></h4></section></summary><div class="docblock"><p>Create a new <a href="struct.BoxCloneServiceLayer.html" title="struct tower::util::BoxCloneServiceLayer"><code>BoxCloneServiceLayer</code></a>.</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-Clone-for-BoxCloneServiceLayer%3CIn,+T,+U,+E%3E" class="impl"><a class="src rightside" href="../../src/tower/util/boxed/layer_clone.rs.html#116-122">Source</a><a href="#impl-Clone-for-BoxCloneServiceLayer%3CIn,+T,+U,+E%3E" class="anchor">§</a><h3 class="code-header">impl<In, T, U, E> <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a> for <a class="struct" href="struct.BoxCloneServiceLayer.html" title="struct tower::util::BoxCloneServiceLayer">BoxCloneServiceLayer</a><In, T, U, E></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.clone" class="method trait-impl"><a class="src rightside" href="../../src/tower/util/boxed/layer_clone.rs.html#117-121">Source</a><a href="#method.clone" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/clone/trait.Clone.html#tymethod.clone" class="fn">clone</a>(&self) -> Self</h4></section></summary><div class='docblock'>Returns a duplicate of the value. <a href="https://doc.rust-lang.org/1.93.1/core/clone/trait.Clone.html#tymethod.clone">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.clone_from" class="method trait-impl"><span class="rightside"><span class="since" title="Stable since Rust version 1.0.0">1.0.0</span> · <a class="src" href="https://doc.rust-lang.org/1.93.1/src/core/clone.rs.html#245-247">Source</a></span><a href="#method.clone_from" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/clone/trait.Clone.html#method.clone_from" class="fn">clone_from</a>(&mut self, source: &Self)</h4></section></summary><div class='docblock'>Performs copy-assignment from <code>source</code>. <a href="https://doc.rust-lang.org/1.93.1/core/clone/trait.Clone.html#method.clone_from">Read more</a></div></details></div></details><details class="toggle implementors-toggle" open><summary><section id="impl-Debug-for-BoxCloneServiceLayer%3CIn,+T,+U,+E%3E" class="impl"><a class="src rightside" href="../../src/tower/util/boxed/layer_clone.rs.html#124-128">Source</a><a href="#impl-Debug-for-BoxCloneServiceLayer%3CIn,+T,+U,+E%3E" class="anchor">§</a><h3 class="code-header">impl<In, T, U, E> <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/fmt/trait.Debug.html" title="trait core::fmt::Debug">Debug</a> for <a class="struct" href="struct.BoxCloneServiceLayer.html" title="struct tower::util::BoxCloneServiceLayer">BoxCloneServiceLayer</a><In, T, U, E></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.fmt" class="method trait-impl"><a class="src rightside" href="../../src/tower/util/boxed/layer_clone.rs.html#125-127">Source</a><a href="#method.fmt" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/fmt/trait.Debug.html#tymethod.fmt" class="fn">fmt</a>(&self, fmt: &mut <a class="struct" href="https://doc.rust-lang.org/1.93.1/core/fmt/struct.Formatter.html" title="struct core::fmt::Formatter">Formatter</a><'_>) -> <a class="type" href="https://doc.rust-lang.org/1.93.1/core/fmt/type.Result.html" title="type core::fmt::Result">Result</a></h4></section></summary><div class='docblock'>Formats the value using the given formatter. <a href="https://doc.rust-lang.org/1.93.1/core/fmt/trait.Debug.html#tymethod.fmt">Read more</a></div></details></div></details><details class="toggle implementors-toggle" open><summary><section id="impl-Layer%3CIn%3E-for-BoxCloneServiceLayer%3CIn,+T,+U,+E%3E" class="impl"><a class="src rightside" href="../../src/tower/util/boxed/layer_clone.rs.html#108-114">Source</a><a href="#impl-Layer%3CIn%3E-for-BoxCloneServiceLayer%3CIn,+T,+U,+E%3E" class="anchor">§</a><h3 class="code-header">impl<In, T, U, E> <a class="trait" href="../trait.Layer.html" title="trait tower::Layer">Layer</a><In> for <a class="struct" href="struct.BoxCloneServiceLayer.html" title="struct tower::util::BoxCloneServiceLayer">BoxCloneServiceLayer</a><In, T, U, E></h3></section></summary><div class="impl-items"><details class="toggle" open><summary><section id="associatedtype.Service" class="associatedtype trait-impl"><a class="src rightside" href="../../src/tower/util/boxed/layer_clone.rs.html#109">Source</a><a href="#associatedtype.Service" class="anchor">§</a><h4 class="code-header">type <a href="../trait.Layer.html#associatedtype.Service" class="associatedtype">Service</a> = <a class="struct" href="struct.BoxCloneService.html" title="struct tower::util::BoxCloneService">BoxCloneService</a><T, U, E></h4></section></summary><div class='docblock'>The wrapped service</div></details><details class="toggle method-toggle" open><summary><section id="method.layer" class="method trait-impl"><a class="src rightside" href="../../src/tower/util/boxed/layer_clone.rs.html#111-113">Source</a><a href="#method.layer" class="anchor">§</a><h4 class="code-header">fn <a href="../trait.Layer.html#tymethod.layer" class="fn">layer</a>(&self, inner: In) -> Self::<a class="associatedtype" href="../trait.Layer.html#associatedtype.Service" title="type tower::Layer::Service">Service</a></h4></section></summary><div class='docblock'>Wrap the given service with the middleware, returning a new service
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that has been decorated with the middleware.</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-BoxCloneServiceLayer%3CIn,+T,+U,+E%3E" class="impl"><a href="#impl-Freeze-for-BoxCloneServiceLayer%3CIn,+T,+U,+E%3E" class="anchor">§</a><h3 class="code-header">impl<In, T, U, E> <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Freeze.html" title="trait core::marker::Freeze">Freeze</a> for <a class="struct" href="struct.BoxCloneServiceLayer.html" title="struct tower::util::BoxCloneServiceLayer">BoxCloneServiceLayer</a><In, T, U, E></h3></section><section id="impl-RefUnwindSafe-for-BoxCloneServiceLayer%3CIn,+T,+U,+E%3E" class="impl"><a href="#impl-RefUnwindSafe-for-BoxCloneServiceLayer%3CIn,+T,+U,+E%3E" class="anchor">§</a><h3 class="code-header">impl<In, T, U, E> !<a class="trait" href="https://doc.rust-lang.org/1.93.1/core/panic/unwind_safe/trait.RefUnwindSafe.html" title="trait core::panic::unwind_safe::RefUnwindSafe">RefUnwindSafe</a> for <a class="struct" href="struct.BoxCloneServiceLayer.html" title="struct tower::util::BoxCloneServiceLayer">BoxCloneServiceLayer</a><In, T, U, E></h3></section><section id="impl-Send-for-BoxCloneServiceLayer%3CIn,+T,+U,+E%3E" class="impl"><a href="#impl-Send-for-BoxCloneServiceLayer%3CIn,+T,+U,+E%3E" class="anchor">§</a><h3 class="code-header">impl<In, T, U, E> <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> for <a class="struct" href="struct.BoxCloneServiceLayer.html" title="struct tower::util::BoxCloneServiceLayer">BoxCloneServiceLayer</a><In, T, U, E></h3></section><section id="impl-Sync-for-BoxCloneServiceLayer%3CIn,+T,+U,+E%3E" class="impl"><a href="#impl-Sync-for-BoxCloneServiceLayer%3CIn,+T,+U,+E%3E" class="anchor">§</a><h3 class="code-header">impl<In, T, U, E> <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> for <a class="struct" href="struct.BoxCloneServiceLayer.html" title="struct tower::util::BoxCloneServiceLayer">BoxCloneServiceLayer</a><In, T, U, E></h3></section><section id="impl-Unpin-for-BoxCloneServiceLayer%3CIn,+T,+U,+E%3E" class="impl"><a href="#impl-Unpin-for-BoxCloneServiceLayer%3CIn,+T,+U,+E%3E" class="anchor">§</a><h3 class="code-header">impl<In, T, U, E> <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a> for <a class="struct" href="struct.BoxCloneServiceLayer.html" title="struct tower::util::BoxCloneServiceLayer">BoxCloneServiceLayer</a><In, T, U, E></h3></section><section id="impl-UnwindSafe-for-BoxCloneServiceLayer%3CIn,+T,+U,+E%3E" class="impl"><a href="#impl-UnwindSafe-for-BoxCloneServiceLayer%3CIn,+T,+U,+E%3E" class="anchor">§</a><h3 class="code-header">impl<In, T, U, E> !<a class="trait" href="https://doc.rust-lang.org/1.93.1/core/panic/unwind_safe/trait.UnwindSafe.html" title="trait core::panic::unwind_safe::UnwindSafe">UnwindSafe</a> for <a class="struct" href="struct.BoxCloneServiceLayer.html" title="struct tower::util::BoxCloneServiceLayer">BoxCloneServiceLayer</a><In, T, U, E></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/1.93.1/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/1.93.1/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/1.93.1/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/1.93.1/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/1.93.1/core/any/trait.Any.html#tymethod.type_id" class="fn">type_id</a>(&self) -> <a class="struct" href="https://doc.rust-lang.org/1.93.1/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/1.93.1/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/1.93.1/src/core/borrow.rs.html#212">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/1.93.1/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/1.93.1/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/1.93.1/src/core/borrow.rs.html#214">Source</a><a href="#method.borrow" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/borrow/trait.Borrow.html#tymethod.borrow" class="fn">borrow</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/1.93.1/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/1.93.1/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/1.93.1/src/core/borrow.rs.html#221">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/1.93.1/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/1.93.1/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/1.93.1/src/core/borrow.rs.html#222">Source</a><a href="#method.borrow_mut" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut" class="fn">borrow_mut</a>(&mut self) -> <a class="primitive" href="https://doc.rust-lang.org/1.93.1/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/1.93.1/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut">Read more</a></div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-CloneToUninit-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.93.1/src/core/clone.rs.html#547">Source</a><a href="#impl-CloneToUninit-for-T" class="anchor">§</a><h3 class="code-header">impl<T> <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/clone/trait.CloneToUninit.html" title="trait core::clone::CloneToUninit">CloneToUninit</a> for T<div class="where">where
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T: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a>,</div></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.clone_to_uninit" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.93.1/src/core/clone.rs.html#549">Source</a><a href="#method.clone_to_uninit" class="anchor">§</a><h4 class="code-header">unsafe fn <a href="https://doc.rust-lang.org/1.93.1/core/clone/trait.CloneToUninit.html#tymethod.clone_to_uninit" class="fn">clone_to_uninit</a>(&self, dest: <a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.pointer.html">*mut </a><a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.u8.html">u8</a>)</h4></section></summary><span class="item-info"><div class="stab unstable"><span class="emoji">🔬</span><span>This is a nightly-only experimental API. (<code>clone_to_uninit</code>)</span></div></span><div class='docblock'>Performs copy-assignment from <code>self</code> to <code>dest</code>. <a href="https://doc.rust-lang.org/1.93.1/core/clone/trait.CloneToUninit.html#tymethod.clone_to_uninit">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/1.93.1/src/core/convert/mod.rs.html#785">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/1.93.1/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/1.93.1/src/core/convert/mod.rs.html#788">Source</a><a href="#method.from" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/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-Into%3CU%3E-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.93.1/src/core/convert/mod.rs.html#767-769">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/1.93.1/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/1.93.1/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/1.93.1/src/core/convert/mod.rs.html#777">Source</a><a href="#method.into" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/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/1.93.1/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-ToOwned-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.93.1/src/alloc/borrow.rs.html#85-87">Source</a><a href="#impl-ToOwned-for-T" class="anchor">§</a><h3 class="code-header">impl<T> <a class="trait" href="https://doc.rust-lang.org/1.93.1/alloc/borrow/trait.ToOwned.html" title="trait alloc::borrow::ToOwned">ToOwned</a> for T<div class="where">where
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T: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a>,</div></h3></section></summary><div class="impl-items"><details class="toggle" open><summary><section id="associatedtype.Owned" class="associatedtype trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.93.1/src/alloc/borrow.rs.html#89">Source</a><a href="#associatedtype.Owned" class="anchor">§</a><h4 class="code-header">type <a href="https://doc.rust-lang.org/1.93.1/alloc/borrow/trait.ToOwned.html#associatedtype.Owned" class="associatedtype">Owned</a> = T</h4></section></summary><div class='docblock'>The resulting type after obtaining ownership.</div></details><details class="toggle method-toggle" open><summary><section id="method.to_owned" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.93.1/src/alloc/borrow.rs.html#90">Source</a><a href="#method.to_owned" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/alloc/borrow/trait.ToOwned.html#tymethod.to_owned" class="fn">to_owned</a>(&self) -> T</h4></section></summary><div class='docblock'>Creates owned data from borrowed data, usually by cloning. <a href="https://doc.rust-lang.org/1.93.1/alloc/borrow/trait.ToOwned.html#tymethod.to_owned">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.clone_into" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.93.1/src/alloc/borrow.rs.html#94">Source</a><a href="#method.clone_into" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/alloc/borrow/trait.ToOwned.html#method.clone_into" class="fn">clone_into</a>(&self, target: <a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.reference.html">&mut T</a>)</h4></section></summary><div class='docblock'>Uses borrowed data to replace owned data, usually by cloning. <a href="https://doc.rust-lang.org/1.93.1/alloc/borrow/trait.ToOwned.html#method.clone_into">Read more</a></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/1.93.1/src/core/convert/mod.rs.html#827-829">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/1.93.1/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/1.93.1/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/1.93.1/src/core/convert/mod.rs.html#831">Source</a><a href="#associatedtype.Error-1" class="anchor">§</a><h4 class="code-header">type <a href="https://doc.rust-lang.org/1.93.1/core/convert/trait.TryFrom.html#associatedtype.Error" class="associatedtype">Error</a> = <a class="enum" href="https://doc.rust-lang.org/1.93.1/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/1.93.1/src/core/convert/mod.rs.html#834">Source</a><a href="#method.try_from" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/convert/trait.TryFrom.html#tymethod.try_from" class="fn">try_from</a>(value: U) -> <a class="enum" href="https://doc.rust-lang.org/1.93.1/core/result/enum.Result.html" title="enum core::result::Result">Result</a><T, <T as <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><U>>::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/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/1.93.1/src/core/convert/mod.rs.html#811-813">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/1.93.1/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/1.93.1/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/1.93.1/src/core/convert/mod.rs.html#815">Source</a><a href="#associatedtype.Error" class="anchor">§</a><h4 class="code-header">type <a href="https://doc.rust-lang.org/1.93.1/core/convert/trait.TryInto.html#associatedtype.Error" class="associatedtype">Error</a> = <U as <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><T>>::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/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/1.93.1/src/core/convert/mod.rs.html#818">Source</a><a href="#method.try_into" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/convert/trait.TryInto.html#tymethod.try_into" class="fn">try_into</a>(self) -> <a class="enum" href="https://doc.rust-lang.org/1.93.1/core/result/enum.Result.html" title="enum core::result::Result">Result</a><U, <U as <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><T>>::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/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></div></section></div></main></body></html> |