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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="When a state responds to an event, it can specify some way to manipulate the stack of states."><meta name="keywords" content="rust, rustlang, rust-lang, Transition"><title>Transition in widgetry::app_state - Rust</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" type="text/css" href="../../normalize.css"><link rel="stylesheet" type="text/css" href="../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../ayu.css" disabled><link rel="stylesheet" type="text/css" href="../../dark.css" disabled><link rel="stylesheet" type="text/css" href="../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../storage.js"></script><script src="../../crates.js"></script><script defer src="../../main.js"></script>
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</a><h2 class="location"><a href="#">Transition</a></h2><div class="sidebar-elems"><section><div class="block"><h3 class="sidebar-title"><a href="#variants">Variants</a></h3><ul><li><a href="#variant.Clear">Clear</a></li><li><a href="#variant.ConsumeState">ConsumeState</a></li><li><a href="#variant.Keep">Keep</a></li><li><a href="#variant.KeepWithMouseover">KeepWithMouseover</a></li><li><a href="#variant.ModifyState">ModifyState</a></li><li><a href="#variant.Multi">Multi</a></li><li><a href="#variant.Pop">Pop</a></li><li><a href="#variant.Push">Push</a></li><li><a href="#variant.Recreate">Recreate</a></li><li><a href="#variant.Replace">Replace</a></li></ul></div><div class="block"><h3 class="sidebar-title"><a href="#synthetic-implementations">Auto Trait Implementations</a></h3><ul><li><a href="#impl-RefUnwindSafe">!RefUnwindSafe</a></li><li><a href="#impl-Send">!Send</a></li><li><a href="#impl-Sync">!Sync</a></li><li><a href="#impl-Unpin">Unpin</a></li><li><a href="#impl-UnwindSafe">!UnwindSafe</a></li></ul></div><div class="block"><h3 class="sidebar-title"><a href="#blanket-implementations">Blanket Implementations</a></h3><ul><li><a href="#impl-Any">Any</a></li><li><a href="#impl-Borrow%3CT%3E">Borrow&lt;T&gt;</a></li><li><a href="#impl-BorrowMut%3CT%3E">BorrowMut&lt;T&gt;</a></li><li><a href="#impl-Downcast">Downcast</a></li><li><a href="#impl-From%3CT%3E">From&lt;T&gt;</a></li><li><a href="#impl-Instrument">Instrument</a></li><li><a href="#impl-Into%3CU%3E">Into&lt;U&gt;</a></li><li><a href="#impl-TryFrom%3CU%3E">TryFrom&lt;U&gt;</a></li><li><a href="#impl-TryInto%3CU%3E">TryInto&lt;U&gt;</a></li></ul></div></section><h2 class="location"><a href="index.html">In widgetry::app_state</a></h2><div id="sidebar-vars" data-name="Transition" data-ty="enum" data-relpath=""></div><script defer src="sidebar-items.js"></script></div></nav><main><div class="width-limiter"><div class="sub-container"><a class="sub-logo-container" href="../../widgetry/index.html"><img class="rust-logo" src="../../rust-logo.svg" alt="logo"></a><nav class="sub"><div class="theme-picker hidden"><button id="theme-picker" aria-label="Pick another theme!" aria-haspopup="menu" title="themes"><img width="22" height="22" alt="Pick another theme!" src="../../brush.svg"></button><div id="theme-choices" role="menu"></div></div><form class="search-form"><div class="search-container"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press S to search, ? for more options…" type="search"><button type="button" id="help-button" title="help">?</button><a id="settings-menu" href="../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../wheel.svg"></a></div></form></nav></div><section id="main-content" class="content"><div class="main-heading">
<h1 class="fqn"><span class="in-band">Enum <a href="../index.html">widgetry</a>::<wbr><a href="index.html">app_state</a>::<wbr><a class="enum" href="#">Transition</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../../clipboard.svg" width="19" height="18" alt="Copy item path"></button></span></h1><span class="out-of-band"><a class="srclink" href="../../src/widgetry/app_state.rs.html#203-230">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span></div><div class="docblock item-decl"><pre class="rust enum"><code>pub enum Transition&lt;A&gt; {
Keep,
KeepWithMouseover,
Pop,
ModifyState(<a class="struct" href="https://doc.rust-lang.org/1.62.1/alloc/boxed/struct.Box.html" title="struct alloc::boxed::Box">Box</a>&lt;dyn <a class="trait" href="https://doc.rust-lang.org/1.62.1/core/ops/function/trait.FnOnce.html" title="trait core::ops::function::FnOnce">FnOnce</a>(&amp;mut <a class="struct" href="https://doc.rust-lang.org/1.62.1/alloc/boxed/struct.Box.html" title="struct alloc::boxed::Box">Box</a>&lt;dyn <a class="trait" href="trait.State.html" title="trait widgetry::app_state::State">State</a>&lt;A&gt;&gt;, &amp;mut <a class="struct" href="../event_ctx/struct.EventCtx.html" title="struct widgetry::event_ctx::EventCtx">EventCtx</a>&lt;'_&gt;, <a class="primitive" href="https://doc.rust-lang.org/1.62.1/std/primitive.reference.html">&amp;mut </a>A)&gt;),
ConsumeState(<a class="struct" href="https://doc.rust-lang.org/1.62.1/alloc/boxed/struct.Box.html" title="struct alloc::boxed::Box">Box</a>&lt;dyn <a class="trait" href="https://doc.rust-lang.org/1.62.1/core/ops/function/trait.FnOnce.html" title="trait core::ops::function::FnOnce">FnOnce</a>(<a class="struct" href="https://doc.rust-lang.org/1.62.1/alloc/boxed/struct.Box.html" title="struct alloc::boxed::Box">Box</a>&lt;dyn <a class="trait" href="trait.State.html" title="trait widgetry::app_state::State">State</a>&lt;A&gt;&gt;, &amp;mut <a class="struct" href="../event_ctx/struct.EventCtx.html" title="struct widgetry::event_ctx::EventCtx">EventCtx</a>&lt;'_&gt;, <a class="primitive" href="https://doc.rust-lang.org/1.62.1/std/primitive.reference.html">&amp;mut </a>A) -&gt; <a class="struct" href="https://doc.rust-lang.org/1.62.1/alloc/vec/struct.Vec.html" title="struct alloc::vec::Vec">Vec</a>&lt;<a class="struct" href="https://doc.rust-lang.org/1.62.1/alloc/boxed/struct.Box.html" title="struct alloc::boxed::Box">Box</a>&lt;dyn <a class="trait" href="trait.State.html" title="trait widgetry::app_state::State">State</a>&lt;A&gt;&gt;&gt;&gt;),
Push(<a class="struct" href="https://doc.rust-lang.org/1.62.1/alloc/boxed/struct.Box.html" title="struct alloc::boxed::Box">Box</a>&lt;dyn <a class="trait" href="trait.State.html" title="trait widgetry::app_state::State">State</a>&lt;A&gt;&gt;),
Replace(<a class="struct" href="https://doc.rust-lang.org/1.62.1/alloc/boxed/struct.Box.html" title="struct alloc::boxed::Box">Box</a>&lt;dyn <a class="trait" href="trait.State.html" title="trait widgetry::app_state::State">State</a>&lt;A&gt;&gt;),
Clear(<a class="struct" href="https://doc.rust-lang.org/1.62.1/alloc/vec/struct.Vec.html" title="struct alloc::vec::Vec">Vec</a>&lt;<a class="struct" href="https://doc.rust-lang.org/1.62.1/alloc/boxed/struct.Box.html" title="struct alloc::boxed::Box">Box</a>&lt;dyn <a class="trait" href="trait.State.html" title="trait widgetry::app_state::State">State</a>&lt;A&gt;&gt;&gt;),
Recreate,
Multi(<a class="struct" href="https://doc.rust-lang.org/1.62.1/alloc/vec/struct.Vec.html" title="struct alloc::vec::Vec">Vec</a>&lt;<a class="enum" href="enum.Transition.html" title="enum widgetry::app_state::Transition">Transition</a>&lt;A&gt;&gt;),
}</code></pre></div><details class="rustdoc-toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>When a state responds to an event, it can specify some way to manipulate the stack of states.</p>
</div></details><h2 id="variants" class="variants small-section-header">Variants<a href="#variants" class="anchor"></a></h2><h3 id="variant.Keep" class="variant small-section-header"><a href="#variant.Keep" class="anchor field"></a><code>Keep</code></h3><div class="docblock"><p>Dont do anything, keep the current state as the active one</p>
</div><h3 id="variant.KeepWithMouseover" class="variant small-section-header"><a href="#variant.KeepWithMouseover" class="anchor field"></a><code>KeepWithMouseover</code></h3><div class="docblock"><p>Keep the current state as the active one, but immediately call <code>event</code> again with a mouse
moved event</p>
</div><h3 id="variant.Pop" class="variant small-section-header"><a href="#variant.Pop" class="anchor field"></a><code>Pop</code></h3><div class="docblock"><p>Destroy the current state, and resume from the previous one</p>
</div><h3 id="variant.ModifyState" class="variant small-section-header"><a href="#variant.ModifyState" class="anchor field"></a><code>ModifyState(<a class="struct" href="https://doc.rust-lang.org/1.62.1/alloc/boxed/struct.Box.html" title="struct alloc::boxed::Box">Box</a>&lt;dyn <a class="trait" href="https://doc.rust-lang.org/1.62.1/core/ops/function/trait.FnOnce.html" title="trait core::ops::function::FnOnce">FnOnce</a>(&amp;mut <a class="struct" href="https://doc.rust-lang.org/1.62.1/alloc/boxed/struct.Box.html" title="struct alloc::boxed::Box">Box</a>&lt;dyn <a class="trait" href="trait.State.html" title="trait widgetry::app_state::State">State</a>&lt;A&gt;&gt;, &amp;mut <a class="struct" href="../event_ctx/struct.EventCtx.html" title="struct widgetry::event_ctx::EventCtx">EventCtx</a>&lt;'_&gt;, <a class="primitive" href="https://doc.rust-lang.org/1.62.1/std/primitive.reference.html">&amp;mut </a>A)&gt;)</code></h3><div class="docblock"><p>If a state needs to pass data back to its parent, use this. In the callback, you have to
downcast the previous state to populate it with data.</p>
</div><h3 id="variant.ConsumeState" class="variant small-section-header"><a href="#variant.ConsumeState" class="anchor field"></a><code>ConsumeState(<a class="struct" href="https://doc.rust-lang.org/1.62.1/alloc/boxed/struct.Box.html" title="struct alloc::boxed::Box">Box</a>&lt;dyn <a class="trait" href="https://doc.rust-lang.org/1.62.1/core/ops/function/trait.FnOnce.html" title="trait core::ops::function::FnOnce">FnOnce</a>(<a class="struct" href="https://doc.rust-lang.org/1.62.1/alloc/boxed/struct.Box.html" title="struct alloc::boxed::Box">Box</a>&lt;dyn <a class="trait" href="trait.State.html" title="trait widgetry::app_state::State">State</a>&lt;A&gt;&gt;, &amp;mut <a class="struct" href="../event_ctx/struct.EventCtx.html" title="struct widgetry::event_ctx::EventCtx">EventCtx</a>&lt;'_&gt;, <a class="primitive" href="https://doc.rust-lang.org/1.62.1/std/primitive.reference.html">&amp;mut </a>A) -&gt; <a class="struct" href="https://doc.rust-lang.org/1.62.1/alloc/vec/struct.Vec.html" title="struct alloc::vec::Vec">Vec</a>&lt;<a class="struct" href="https://doc.rust-lang.org/1.62.1/alloc/boxed/struct.Box.html" title="struct alloc::boxed::Box">Box</a>&lt;dyn <a class="trait" href="trait.State.html" title="trait widgetry::app_state::State">State</a>&lt;A&gt;&gt;&gt;&gt;)</code></h3><div class="docblock"><p>This destroys the current state, running the callback on it, and pushes new states onto the
stack. The callback can consume the current state, thus salvaging fields from it without
cloning.</p>
</div><h3 id="variant.Push" class="variant small-section-header"><a href="#variant.Push" class="anchor field"></a><code>Push(<a class="struct" href="https://doc.rust-lang.org/1.62.1/alloc/boxed/struct.Box.html" title="struct alloc::boxed::Box">Box</a>&lt;dyn <a class="trait" href="trait.State.html" title="trait widgetry::app_state::State">State</a>&lt;A&gt;&gt;)</code></h3><div class="docblock"><p>Push a new active state on the top of the stack.</p>
</div><h3 id="variant.Replace" class="variant small-section-header"><a href="#variant.Replace" class="anchor field"></a><code>Replace(<a class="struct" href="https://doc.rust-lang.org/1.62.1/alloc/boxed/struct.Box.html" title="struct alloc::boxed::Box">Box</a>&lt;dyn <a class="trait" href="trait.State.html" title="trait widgetry::app_state::State">State</a>&lt;A&gt;&gt;)</code></h3><div class="docblock"><p>Replace the current state with a new one. Equivalent to Pop, then Push.</p>
</div><h3 id="variant.Clear" class="variant small-section-header"><a href="#variant.Clear" class="anchor field"></a><code>Clear(<a class="struct" href="https://doc.rust-lang.org/1.62.1/alloc/vec/struct.Vec.html" title="struct alloc::vec::Vec">Vec</a>&lt;<a class="struct" href="https://doc.rust-lang.org/1.62.1/alloc/boxed/struct.Box.html" title="struct alloc::boxed::Box">Box</a>&lt;dyn <a class="trait" href="trait.State.html" title="trait widgetry::app_state::State">State</a>&lt;A&gt;&gt;&gt;)</code></h3><div class="docblock"><p>Replace the entire stack of states with this stack.</p>
</div><h3 id="variant.Recreate" class="variant small-section-header"><a href="#variant.Recreate" class="anchor field"></a><code>Recreate</code></h3><div class="docblock"><p>Call <code>State::recreate</code> on the current top of the stack</p>
</div><h3 id="variant.Multi" class="variant small-section-header"><a href="#variant.Multi" class="anchor field"></a><code>Multi(<a class="struct" href="https://doc.rust-lang.org/1.62.1/alloc/vec/struct.Vec.html" title="struct alloc::vec::Vec">Vec</a>&lt;<a class="enum" href="enum.Transition.html" title="enum widgetry::app_state::Transition">Transition</a>&lt;A&gt;&gt;)</code></h3><div class="docblock"><p>Execute a sequence of transitions in order.</p>
</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"><section id="impl-RefUnwindSafe" class="impl has-srclink"><a href="#impl-RefUnwindSafe" class="anchor"></a><h3 class="code-header in-band">impl&lt;A&gt; !<a class="trait" href="https://doc.rust-lang.org/1.62.1/core/panic/unwind_safe/trait.RefUnwindSafe.html" title="trait core::panic::unwind_safe::RefUnwindSafe">RefUnwindSafe</a> for <a class="enum" href="enum.Transition.html" title="enum widgetry::app_state::Transition">Transition</a>&lt;A&gt;</h3></section><section id="impl-Send" class="impl has-srclink"><a href="#impl-Send" class="anchor"></a><h3 class="code-header in-band">impl&lt;A&gt; !<a class="trait" href="https://doc.rust-lang.org/1.62.1/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> for <a class="enum" href="enum.Transition.html" title="enum widgetry::app_state::Transition">Transition</a>&lt;A&gt;</h3></section><section id="impl-Sync" class="impl has-srclink"><a href="#impl-Sync" class="anchor"></a><h3 class="code-header in-band">impl&lt;A&gt; !<a class="trait" href="https://doc.rust-lang.org/1.62.1/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> for <a class="enum" href="enum.Transition.html" title="enum widgetry::app_state::Transition">Transition</a>&lt;A&gt;</h3></section><section id="impl-Unpin" class="impl has-srclink"><a href="#impl-Unpin" class="anchor"></a><h3 class="code-header in-band">impl&lt;A&gt; <a class="trait" href="https://doc.rust-lang.org/1.62.1/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a> for <a class="enum" href="enum.Transition.html" title="enum widgetry::app_state::Transition">Transition</a>&lt;A&gt;</h3></section><section id="impl-UnwindSafe" class="impl has-srclink"><a href="#impl-UnwindSafe" class="anchor"></a><h3 class="code-header in-band">impl&lt;A&gt; !<a class="trait" href="https://doc.rust-lang.org/1.62.1/core/panic/unwind_safe/trait.UnwindSafe.html" title="trait core::panic::unwind_safe::UnwindSafe">UnwindSafe</a> for <a class="enum" href="enum.Transition.html" title="enum widgetry::app_state::Transition">Transition</a>&lt;A&gt;</h3></section></div><h2 id="blanket-implementations" class="small-section-header">Blanket Implementations<a href="#blanket-implementations" class="anchor"></a></h2><div id="blanket-implementations-list"><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-Any" class="impl has-srclink"><span class="rightside"><a class="srclink" href="https://doc.rust-lang.org/1.62.1/src/core/any.rs.html#132-136">source</a></span><a href="#impl-Any" class="anchor"></a><h3 class="code-header in-band">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/1.62.1/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/1.62.1/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,&nbsp;</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.type_id" class="method trait-impl has-srclink"><span class="rightside"><a class="srclink" href="https://doc.rust-lang.org/1.62.1/src/core/any.rs.html#133">source</a></span><a href="#method.type_id" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.62.1/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/1.62.1/core/any/struct.TypeId.html" title="struct core::any::TypeId">TypeId</a></h4></section></summary><div class='docblock'><p>Gets the <code>TypeId</code> of <code>self</code>. <a href="https://doc.rust-lang.org/1.62.1/core/any/trait.Any.html#tymethod.type_id">Read more</a></p>
</div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-Borrow%3CT%3E" class="impl has-srclink"><span class="rightside"><a class="srclink" href="https://doc.rust-lang.org/1.62.1/src/core/borrow.rs.html#209-214">source</a></span><a href="#impl-Borrow%3CT%3E" class="anchor"></a><h3 class="code-header in-band">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/1.62.1/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/1.62.1/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,&nbsp;</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.borrow" class="method trait-impl has-srclink"><span class="rightside"><span class="since" title="const unstable">const: <a href="https://github.com/rust-lang/rust/issues/91522" title="Tracking issue for const_borrow">unstable</a></span> · <a class="srclink" href="https://doc.rust-lang.org/1.62.1/src/core/borrow.rs.html#211">source</a></span><a href="#method.borrow" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.62.1/core/borrow/trait.Borrow.html#tymethod.borrow" class="fnname">borrow</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.62.1/std/primitive.reference.html">&amp;</a>T</h4></section></summary><div class='docblock'><p>Immutably borrows from an owned value. <a href="https://doc.rust-lang.org/1.62.1/core/borrow/trait.Borrow.html#tymethod.borrow">Read more</a></p>
</div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-BorrowMut%3CT%3E" class="impl has-srclink"><span class="rightside"><a class="srclink" href="https://doc.rust-lang.org/1.62.1/src/core/borrow.rs.html#218-222">source</a></span><a href="#impl-BorrowMut%3CT%3E" class="anchor"></a><h3 class="code-header in-band">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/1.62.1/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/1.62.1/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,&nbsp;</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.borrow_mut" class="method trait-impl has-srclink"><span class="rightside"><span class="since" title="const unstable">const: <a href="https://github.com/rust-lang/rust/issues/91522" title="Tracking issue for const_borrow">unstable</a></span> · <a class="srclink" href="https://doc.rust-lang.org/1.62.1/src/core/borrow.rs.html#219">source</a></span><a href="#method.borrow_mut" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.62.1/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/1.62.1/std/primitive.reference.html">&amp;mut </a>T</h4></section></summary><div class='docblock'><p>Mutably borrows from an owned value. <a href="https://doc.rust-lang.org/1.62.1/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut">Read more</a></p>
</div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-Downcast" class="impl has-srclink"><a href="#impl-Downcast" class="anchor"></a><h3 class="code-header in-band">impl&lt;T&gt; Downcast for T <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;T: <a class="trait" href="https://doc.rust-lang.org/1.62.1/core/any/trait.Any.html" title="trait core::any::Any">Any</a>,&nbsp;</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.into_any" class="method trait-impl has-srclink"><a href="#method.into_any" class="anchor"></a><h4 class="code-header">fn <a class="fnname">into_any</a>(self: <a class="struct" href="https://doc.rust-lang.org/1.62.1/alloc/boxed/struct.Box.html" title="struct alloc::boxed::Box">Box</a>&lt;T, <a class="struct" href="https://doc.rust-lang.org/1.62.1/alloc/alloc/struct.Global.html" title="struct alloc::alloc::Global">Global</a>&gt;) -&gt; <a class="struct" href="https://doc.rust-lang.org/1.62.1/alloc/boxed/struct.Box.html" title="struct alloc::boxed::Box">Box</a>&lt;dyn <a class="trait" href="https://doc.rust-lang.org/1.62.1/core/any/trait.Any.html" title="trait core::any::Any">Any</a> + 'static, <a class="struct" href="https://doc.rust-lang.org/1.62.1/alloc/alloc/struct.Global.html" title="struct alloc::alloc::Global">Global</a>&gt;</h4></section></summary><div class='docblock'><p>Convert <code>Box&lt;dyn Trait&gt;</code> (where <code>Trait: Downcast</code>) to <code>Box&lt;dyn Any&gt;</code>. <code>Box&lt;dyn Any&gt;</code> can
then be further <code>downcast</code> into <code>Box&lt;ConcreteType&gt;</code> where <code>ConcreteType</code> implements <code>Trait</code>. <a>Read more</a></p>
</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.into_any_rc" class="method trait-impl has-srclink"><a href="#method.into_any_rc" class="anchor"></a><h4 class="code-header">fn <a class="fnname">into_any_rc</a>(self: <a class="struct" href="https://doc.rust-lang.org/1.62.1/alloc/rc/struct.Rc.html" title="struct alloc::rc::Rc">Rc</a>&lt;T&gt;) -&gt; <a class="struct" href="https://doc.rust-lang.org/1.62.1/alloc/rc/struct.Rc.html" title="struct alloc::rc::Rc">Rc</a>&lt;dyn <a class="trait" href="https://doc.rust-lang.org/1.62.1/core/any/trait.Any.html" title="trait core::any::Any">Any</a> + 'static&gt;</h4></section></summary><div class='docblock'><p>Convert <code>Rc&lt;Trait&gt;</code> (where <code>Trait: Downcast</code>) to <code>Rc&lt;Any&gt;</code>. <code>Rc&lt;Any&gt;</code> can then be
further <code>downcast</code> into <code>Rc&lt;ConcreteType&gt;</code> where <code>ConcreteType</code> implements <code>Trait</code>. <a>Read more</a></p>
</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.as_any" class="method trait-impl has-srclink"><a href="#method.as_any" class="anchor"></a><h4 class="code-header">fn <a class="fnname">as_any</a>(&amp;self) -&gt; &amp;(dyn <a class="trait" href="https://doc.rust-lang.org/1.62.1/core/any/trait.Any.html" title="trait core::any::Any">Any</a> + 'static)</h4></section></summary><div class='docblock'><p>Convert <code>&amp;Trait</code> (where <code>Trait: Downcast</code>) to <code>&amp;Any</code>. This is needed since Rust cannot
generate <code>&amp;Any</code>s vtable from <code>&amp;Trait</code>s. <a>Read more</a></p>
</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.as_any_mut" class="method trait-impl has-srclink"><a href="#method.as_any_mut" class="anchor"></a><h4 class="code-header">fn <a class="fnname">as_any_mut</a>(&amp;mut self) -&gt; &amp;mut (dyn <a class="trait" href="https://doc.rust-lang.org/1.62.1/core/any/trait.Any.html" title="trait core::any::Any">Any</a> + 'static)</h4></section></summary><div class='docblock'><p>Convert <code>&amp;mut Trait</code> (where <code>Trait: Downcast</code>) to <code>&amp;Any</code>. This is needed since Rust cannot
generate <code>&amp;mut Any</code>s vtable from <code>&amp;mut Trait</code>s. <a>Read more</a></p>
</div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-From%3CT%3E" class="impl has-srclink"><span class="rightside"><a class="srclink" href="https://doc.rust-lang.org/1.62.1/src/core/convert/mod.rs.html#557-562">source</a></span><a href="#impl-From%3CT%3E" class="anchor"></a><h3 class="code-header in-band">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/1.62.1/core/convert/trait.From.html" title="trait core::convert::From">From</a>&lt;T&gt; for T</h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.from" class="method trait-impl has-srclink"><span class="rightside"><span class="since" title="const unstable">const: <a href="https://github.com/rust-lang/rust/issues/88674" title="Tracking issue for const_convert">unstable</a></span> · <a class="srclink" href="https://doc.rust-lang.org/1.62.1/src/core/convert/mod.rs.html#559">source</a></span><a href="#method.from" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.62.1/core/convert/trait.From.html#tymethod.from" class="fnname">from</a>(t: T) -&gt; T</h4></section></summary><div class="docblock"><p>Returns the argument unchanged.</p>
</div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-Instrument" class="impl has-srclink"><span class="rightside"><a class="srclink" href="https://docs.rs/tracing/0.1.26/src/tracing/instrument.rs.html#155">source</a></span><a href="#impl-Instrument" class="anchor"></a><h3 class="code-header in-band">impl&lt;T&gt; <a class="trait" href="https://docs.rs/tracing/0.1.26/tracing/instrument/trait.Instrument.html" title="trait tracing::instrument::Instrument">Instrument</a> for T</h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.instrument" class="method trait-impl has-srclink"><span class="rightside"><a class="srclink" href="https://docs.rs/tracing/0.1.26/src/tracing/instrument.rs.html#38">source</a></span><a href="#method.instrument" class="anchor"></a><h4 class="code-header">fn <a href="https://docs.rs/tracing/0.1.26/tracing/instrument/trait.Instrument.html#method.instrument" class="fnname">instrument</a>(self, span: <a class="struct" href="https://docs.rs/tracing/0.1.26/tracing/span/struct.Span.html" title="struct tracing::span::Span">Span</a>) -&gt; <a class="struct" href="https://docs.rs/tracing/0.1.26/tracing/instrument/struct.Instrumented.html" title="struct tracing::instrument::Instrumented">Instrumented</a>&lt;Self&gt;</h4></section></summary><div class='docblock'><p>Instruments this type with the provided <code>Span</code>, returning an
<code>Instrumented</code> wrapper. <a href="https://docs.rs/tracing/0.1.26/tracing/instrument/trait.Instrument.html#method.instrument">Read more</a></p>
</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.in_current_span" class="method trait-impl has-srclink"><span class="rightside"><a class="srclink" href="https://docs.rs/tracing/0.1.26/src/tracing/instrument.rs.html#74">source</a></span><a href="#method.in_current_span" class="anchor"></a><h4 class="code-header">fn <a href="https://docs.rs/tracing/0.1.26/tracing/instrument/trait.Instrument.html#method.in_current_span" class="fnname">in_current_span</a>(self) -&gt; <a class="struct" href="https://docs.rs/tracing/0.1.26/tracing/instrument/struct.Instrumented.html" title="struct tracing::instrument::Instrumented">Instrumented</a>&lt;Self&gt;</h4></section></summary><div class='docblock'><p>Instruments this type with the <a href="../struct.Span.html#method.current">current</a> <code>Span</code>, returning an
<code>Instrumented</code> wrapper. <a href="https://docs.rs/tracing/0.1.26/tracing/instrument/trait.Instrument.html#method.in_current_span">Read more</a></p>
</div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-Into%3CU%3E" class="impl has-srclink"><span class="rightside"><a class="srclink" href="https://doc.rust-lang.org/1.62.1/src/core/convert/mod.rs.html#541-552">source</a></span><a href="#impl-Into%3CU%3E" class="anchor"></a><h3 class="code-header in-band">impl&lt;T, U&gt; <a class="trait" href="https://doc.rust-lang.org/1.62.1/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/1.62.1/core/convert/trait.From.html" title="trait core::convert::From">From</a>&lt;T&gt;,&nbsp;</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.into" class="method trait-impl has-srclink"><span class="rightside"><span class="since" title="const unstable">const: <a href="https://github.com/rust-lang/rust/issues/88674" title="Tracking issue for const_convert">unstable</a></span> · <a class="srclink" href="https://doc.rust-lang.org/1.62.1/src/core/convert/mod.rs.html#549">source</a></span><a href="#method.into" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.62.1/core/convert/trait.Into.html#tymethod.into" class="fnname">into</a>(self) -&gt; U</h4></section></summary><div class="docblock"><p>Calls <code>U::from(self)</code>.</p>
<p>That is, this conversion is whatever the implementation of
<code><a href="https://doc.rust-lang.org/1.62.1/core/convert/trait.From.html" title="From">From</a>&lt;T&gt; for U</code> chooses to do.</p>
</div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-TryFrom%3CU%3E" class="impl has-srclink"><span class="rightside"><a class="srclink" href="https://doc.rust-lang.org/1.62.1/src/core/convert/mod.rs.html#598-607">source</a></span><a href="#impl-TryFrom%3CU%3E" class="anchor"></a><h3 class="code-header in-band">impl&lt;T, U&gt; <a class="trait" href="https://doc.rust-lang.org/1.62.1/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/1.62.1/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a>&lt;T&gt;,&nbsp;</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle" open><summary><section id="associatedtype.Error-1" class="associatedtype trait-impl has-srclink"><a href="#associatedtype.Error-1" class="anchor"></a><h4 class="code-header">type <a href="https://doc.rust-lang.org/1.62.1/core/convert/trait.TryFrom.html#associatedtype.Error" class="associatedtype">Error</a> = <a class="enum" href="https://doc.rust-lang.org/1.62.1/core/convert/enum.Infallible.html" title="enum core::convert::Infallible">Infallible</a></h4></section></summary><div class='docblock'><p>The type returned in the event of a conversion error.</p>
</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.try_from" class="method trait-impl has-srclink"><span class="rightside"><span class="since" title="const unstable">const: <a href="https://github.com/rust-lang/rust/issues/88674" title="Tracking issue for const_convert">unstable</a></span> · <a class="srclink" href="https://doc.rust-lang.org/1.62.1/src/core/convert/mod.rs.html#604">source</a></span><a href="#method.try_from" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.62.1/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/1.62.1/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/1.62.1/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a>&lt;U&gt;&gt;::<a class="associatedtype" href="https://doc.rust-lang.org/1.62.1/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a>&gt;</h4></section></summary><div class='docblock'><p>Performs the conversion.</p>
</div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-TryInto%3CU%3E" class="impl has-srclink"><span class="rightside"><a class="srclink" href="https://doc.rust-lang.org/1.62.1/src/core/convert/mod.rs.html#583-592">source</a></span><a href="#impl-TryInto%3CU%3E" class="anchor"></a><h3 class="code-header in-band">impl&lt;T, U&gt; <a class="trait" href="https://doc.rust-lang.org/1.62.1/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/1.62.1/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a>&lt;T&gt;,&nbsp;</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle" open><summary><section id="associatedtype.Error" class="associatedtype trait-impl has-srclink"><a href="#associatedtype.Error" class="anchor"></a><h4 class="code-header">type <a href="https://doc.rust-lang.org/1.62.1/core/convert/trait.TryInto.html#associatedtype.Error" class="associatedtype">Error</a> = &lt;U as <a class="trait" href="https://doc.rust-lang.org/1.62.1/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a>&lt;T&gt;&gt;::<a class="associatedtype" href="https://doc.rust-lang.org/1.62.1/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a></h4></section></summary><div class='docblock'><p>The type returned in the event of a conversion error.</p>
</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.try_into" class="method trait-impl has-srclink"><span class="rightside"><span class="since" title="const unstable">const: <a href="https://github.com/rust-lang/rust/issues/88674" title="Tracking issue for const_convert">unstable</a></span> · <a class="srclink" href="https://doc.rust-lang.org/1.62.1/src/core/convert/mod.rs.html#589">source</a></span><a href="#method.try_into" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.62.1/core/convert/trait.TryInto.html#tymethod.try_into" class="fnname">try_into</a>(self) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.62.1/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/1.62.1/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a>&lt;T&gt;&gt;::<a class="associatedtype" href="https://doc.rust-lang.org/1.62.1/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a>&gt;</h4></section></summary><div class='docblock'><p>Performs the conversion.</p>
</div></details></div></details></div></section></div></main><div id="rustdoc-vars" data-root-path="../../" data-current-crate="widgetry" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.62.1 (e092d0b6b 2022-07-16)" ></div>
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