<!DOCTYPE html><htmllang="en"><head><metacharset="utf-8"><metaname="viewport"content="width=device-width, initial-scale=1.0"><metaname="generator"content="rustdoc"><metaname="description"content="The never type: `!`."><title>TypeNever in syn - Rust</title><linkrel="preload"as="font"type="font/woff2"crossoriginhref="../static.files/SourceSerif4-Regular-46f98efaafac5295.ttf.woff2"><linkrel="preload"as="font"type="font/woff2"crossoriginhref="../static.files/FiraSans-Regular-018c141bf0843ffd.woff2"><linkrel="preload"as="font"type="font/woff2"crossoriginhref="../static.files/FiraSans-Medium-8f9a781e4970d388.woff2"><linkrel="preload"as="font"type="font/woff2"crossoriginhref="../static.files/SourceCodePro-Regular-562dcc5011b6de7d.ttf.woff2"><linkrel="preload"as="font"type="font/woff2"crossoriginhref="../static.files/SourceCodePro-Semibold-d899c5a5c4aeb14a.ttf.woff2"><linkrel="stylesheet"href="../static.files/normalize-76eba96aa4d2e634.css"><linkrel="stylesheet"href="../static.files/rustdoc-ac92e1bbe349e143.css"><metaname="rustdoc-vars"data-root-path="../"data-static-root-path="../static.files/"data-current-crate="syn"data-themes=""data-resource-suffix=""data-rustdoc-version="1.76.0 (07dca489a 2024-02-04)"data-channel="1.76.0"data-search-js="search-2b6ce74ff89ae146.js"data-settings-js="settings-4313503d2e1961c2.js"><scriptsrc="../static.files/storage-f2adc0d6ca4d09fb.js"></script><scriptdefersrc="sidebar-items.js"></script><scriptdefersrc="../static.files/main-305769736d49e732.js"></script><noscript><linkrel="stylesheet"href="../static.files/noscript-feafe1bb7466e4bd.css"></noscript><linkrel="alternate icon"type="image/png"href="../static.files/favicon-16x16-8b506e7a72182f1c.png"><linkrel="alternate icon"type="image/png"href="../static.files/favicon-32x32-422f7d1d52889060.png"><linkrel="icon"type="image/svg+xml"href="../static.files/favicon-2c020d218678b618.svg"></head><bodyclass="rustdoc struct"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><navclass="mobile-topbar"><buttonclass="sidebar-menu-toggle">☰</button></nav><navclass="sidebar"><divclass="sidebar-crate"><h2><ahref="../syn/index.html">syn</a><spanclass="version">2.0.51</span></h2></div><h2class="location"><ahref="#">TypeNever</a></h2><divclass="sidebar-elems"><section><h3><ahref="#fields">Fields</a></h3><ulclass="block structfield"><li><ahref="#structfield.bang_token">bang_token</a></li></ul><h3><ahref="#trait-implementations">Trait Implementations</a></h3><ulclass="block trait-implementation"><li><ahref="#impl-Clone-for-TypeNever">Clone</a></li><li><ahref="#impl-Debug-for-TypeNever">Debug</a></li><li><ahref="#impl-Eq-for-TypeNever">Eq</a></li><li><ahref="#impl-From%3CTypeNever%3E-for-Type">From<TypeNever></a></li><li><ahref="#impl-Hash-for-TypeNever">Hash</a></li><li><ahref="#impl-Parse-for-TypeNever">Parse</a></li><li><ahref="#impl-PartialEq-for-TypeNever">PartialEq</a></li><li><ahref="#impl-ToTokens-for-TypeNever">ToTokens</a></li></ul><h3><ahref="#synthetic-implementations">Auto Trait Implementations</a></h3><ulclass="block synthetic-implementation"><li><ahref="#impl-Send-for-TypeNever">!Send</a></li><li><ahref="#impl-Sync-for-TypeNever">!Sync</a></li><li><ahref="#impl-RefUnwindSafe-for-TypeNever">RefUnwindSafe</a></li><li><ahref="#impl-Unpin-for-TypeNever">Unpin</a></li><li><ahref="#impl-UnwindSafe-for-TypeNever">UnwindSafe</a></li></ul><h3><ahref="#blanket-implementations">Blanket Implementations</a></h3><ulclass="block blanket-implementation"><li><ahref="#impl-Any-for-T">Any</a></li><li><ahref="#impl-Borrow%3CT%3E-for-T">Borrow<T></a></li><li><ahref="#impl-BorrowMut%3CT%3E-for-T">BorrowMut<T></a></li><li><ahref="#impl-From%3CT%3E-for-T">From<T></a></li><li><ahref="#impl-Into%3CU%3E-for-T">Into<U></a></li><li><ahref="#impl-Spanned-for-T">Spanned</a></li><li><ahref="#impl-ToOwned-for-T">ToOwned</a></li><li><ahref="#impl-TryFrom%3CU%3E-for-T">T
<main><divclass="width-limiter"><navclass="sub"><formclass="search-form"><span></span><divid="sidebar-button"tabindex="-1"><ahref="../syn/all.html"title="show sidebar"></a></div><inputclass="search-input"name="search"aria-label="Run search in the documentation"autocomplete="off"spellcheck="false"placeholder="Click or press ‘S’ to search, ‘?’ for more options…"type="search"><divid="help-button"tabindex="-1"><ahref="../help.html"title="help">?</a></div><divid="settings-menu"tabindex="-1"><ahref="../settings.html"title="settings"><imgwidth="22"height="22"alt="Change settings"src="../static.files/wheel-7b819b6101059cd0.svg"></a></div></form></nav><sectionid="main-content"class="content"><divclass="main-heading"><h1>Struct <ahref="index.html">syn</a>::<wbr><aclass="struct"href="#">TypeNever</a><buttonid="copy-path"title="Copy item path to clipboard"><imgsrc="../static.files/clipboard-7571035ce49a181d.svg"width="19"height="18"alt="Copy item path"></button></h1><spanclass="out-of-band"><aclass="src"href="../src/syn/ty.rs.html#153-159">source</a> · <buttonid="toggle-all-docs"title="collapse all docs">[<span>−</span>]</button></span></div><preclass="rust item-decl"><code>pub struct TypeNever {
H: <aclass="trait"href="https://doc.rust-lang.org/1.76.0/core/hash/trait.Hasher.html"title="trait core::hash::Hasher">Hasher</a>,</div></h4></section></summary><divclass='docblock'>Feeds this value into the given <ahref="https://doc.rust-lang.org/1.76.0/core/hash/trait.Hasher.html"title="trait core::hash::Hasher"><code>Hasher</code></a>. <ahref="https://doc.rust-lang.org/1.76.0/core/hash/trait.Hash.html#tymethod.hash">Read more</a></div></details><detailsclass="toggle method-toggle"open><summary><sectionid="method.hash_slice"class="method trait-impl"><spanclass="rightside"><spanclass="since"title="Stable since Rust version 1.3.0">1.3.0</span> · <aclass="src"href="https://doc.rust-lang.org/1.76.0/src/core/hash/mod.rs.html#238-240">source</a></span><ahref="#method.hash_slice"class="anchor">§</a><h4class="code-header">fn <ahref="https://doc.rust-lang.org/1.76.0/core/hash/trait.Hash.html#method.hash_slice"class="fn">hash_slice</a><H>(data: &<aclass="primitive"href="https://doc.rust-lang.org/1.76.0/std/primitive.slice.html">[Self]</a>, state: <aclass="primitive"href="https://doc.rust-lang.org/1.76.0/std/primitive.reference.html">&mut H</a>)<divclass="where">where
Self: <aclass="trait"href="https://doc.rust-lang.org/1.76.0/core/marker/trait.Sized.html"title="trait core::marker::Sized">Sized</a>,</div></h4></section></summary><divclass='docblock'>Feeds a slice of this type into the given <ahref="https://doc.rust-lang.org/1.76.0/core/hash/trait.Hasher.html"title="trait core::hash::Hasher"><code>Hasher</code></a>. <ahref="https://doc.rust-lang.org/1.76.0/core/hash/trait.Hash.html#method.hash_slice">Read more</a></div></details></div></details><detailsclass="toggle implementors-toggle"open><summary><sectionid="impl-Parse-for-TypeNever"class="impl"><aclass="src rightside"href="../src/syn/ty.rs.html#700-706">source</a><ahref="#impl-Parse-for-TypeNever"class="anchor">§</a><h3class="code-header">impl <aclass="trait"href="parse/trait.Parse.html"title="trait syn::parse::Parse">Parse</a> for <aclass="struct"href="struct.TypeNever.html"title="struct syn::TypeNever">TypeNever</a></h3></section></summary><divclass="impl-items"><sectionid="method.parse"class="method trait-impl"><aclass="src rightside"href="../src/syn/ty.rs.html#701-705">source</a><ahref="#method.parse"class="anchor">§</a><h4class="code-header">fn <ahref="parse/trait.Parse.html#tymethod.parse"class="fn">parse</a>(input: <aclass="type"href="parse/type.ParseStream.html"title="type syn::parse::ParseStream">ParseStream</a><'_>) -><aclass="type"href="parse/type.Result.html"title="type syn::parse::Result">Result</a><Self></h4></section></div></details><detailsclass="toggle implementors-toggle"open><summary><sectionid="impl-PartialEq-for-TypeNever"class="impl"><aclass="src rightside"href="../src/syn/gen/eq.rs.html#1957-1961">source</a><ahref="#impl-PartialEq-for-TypeNever"class="anchor">§</a><h3class="code-header">impl <aclass="trait"href="https://doc.rust-lang.org/1.76.0/core/cmp/trait.PartialEq.html"title="trait core::cmp::PartialEq">PartialEq</a> for <aclass="struct"href="struct.TypeNever.html"title="struct syn::TypeNever">TypeNever</a></h3></section></summary><divclass="impl-items"><detailsclass="toggle method-toggle"open><summary><sectionid="method.eq"class="method trait-impl"><aclass="src rightside"href="../src/syn/gen/eq.rs.html#1958-1960">source</a><ahref="#method.eq"class="anchor">§</a><h4class="code-header">fn <ahref="https://doc.rust-lang.org/1.76.0/core/cmp/trait.PartialEq.html#tymethod.eq"class="fn">eq</a>(&self, _other: <aclass="primitive"href="https://doc.rust-lang.org/1.76.0/std/primitive.reference.html">&Self</a>) -><aclass="primitive"href="https://doc.rust-lang.org/1.76.0/std/primitive.bool.html">bool</a></h4></section></summary><divclass='docblock'>This method tests for <code>self</code> and <code>other</code> values to be equal, and is used
by <code>==</code>.</div></details><detailsclass="toggle method-toggle"open><summary><sectionid="method.ne"class="method trait-impl"><spanclass="rightside"><spanclass="since"title="Stable since Rust version 1.0.0">1.0.0</span> · <aclass="src"href="https://doc.rust-lang.org/1.76.0/src/core/cmp.rs.html#242">source</a></span><ahref="#method.ne"class="anchor">§</a><h4class="code-header">fn <ahref="https://doc.rust-lang.org/1.76.0/core/cmp/trait.PartialEq.html#method.ne"class="fn">ne</a>(&self, other: <aclass="primitive"href="https://doc.rust-lang.org/1.76.0/std/primitive.reference.html">&Rhs</a>) -><aclass="primitive"href="https://doc.rust-lang.org/1.76.0/std/primitive.bool.html">bool</a></h4></section></summary><divclass='docblock'>This method tests for <code>!=</code>. The default implementation is almost always
sufficient, and should not be overridden without very good reason.</div></details></div></details><detailsclass="toggle implementors-toggle"open><summary><sectionid="impl-ToTokens-for-TypeNever"class="impl"><aclass="src rightside"href="../src/syn/ty.rs.html#1096-1100">source</a><ahref="#impl-ToTokens-for-TypeNever"class="anchor">§</a><h3class="code-header">impl <aclass="trait"href="../quote/to_tokens/trait.ToTokens.html"title="trait quote::to_tokens::ToTokens">ToTokens</a> for <aclass="struct"href="struct.TypeNever.html"title="struct syn::TypeNever">TypeNever</a></h3></section></summary><divclass="impl-items"><detailsclass="toggle method-toggle"open><summary><sectionid="method.to_tokens"class="method trait-impl"><aclass="src rightside"href="../src/syn/ty.rs.html#1097-1099">source</a><ahref="#method.to_tokens"class="anchor">§</a><h4class="code-header">fn <ahref="../quote/to_tokens/trait.ToTokens.html#tymethod.to_tokens"class="fn">to_tokens</a>(&self, tokens: &mut <aclass="struct"href="../proc_macro2/struct.TokenStream.html"title="struct proc_macro2::TokenStream">TokenStream</a>)</h4></section></summary><divclass='docblock'>Write <code>self</code> to the given <code>TokenStream</code>. <ahref="../quote/to_tokens/trait.ToTokens.html#tymethod.to_tokens">Read more</a></div></details><detailsclass="toggle method-toggle"open><summary><sectionid="method.to_token_stream"class="method trait-impl"><aclass="src rightside"href="../src/quote/to_tokens.rs.html#59">source</a><ahref="#method.to_token_stream"class="anchor">§</a><h4class="code-header">fn <ahref="../quote/to_tokens/trait.ToTokens.html#method.to_token_stream"class="fn">to_token_stream</a>(&self) -><aclass="struct"href="../proc_macro2/struct.TokenStream.html"title="struct proc_macro2::TokenStream">TokenStream</a></h4></section></summary><divclass='docblock'>Convert <code>self</code> directly into a <code>TokenStream</code> object. <ahref="../quote/to_tokens/trait.ToTokens.html#method.to_token_stream">Read more</a></div></details><detailsclass="toggle method-toggle"open><summary><sectionid="method.into_token_stream"class="method trait-impl"><aclass="src rightside"href="../src/quote/to_tokens.rs.html#69-71">source</a><ahref="#method.into_token_stream"class="anchor">§</a><h4class="code-header">fn <ahref="../quote/to_tokens/trait.ToTokens.html#method.into_token_stream"class="fn">into_token_stream</a>(self) -><aclass="struct"href="../proc_macro2/struct.TokenStream.html"title="struct proc_macro2::TokenStream">TokenStream</a><divclass="where">where
Self: <aclass="trait"href="https://doc.rust-lang.org/1.76.0/core/marker/trait.Sized.html"title="trait core::marker::Sized">Sized</a>,</div></h4></section></summary><divclass='docblock'>Convert <code>self</code> directly into a <code>TokenStream</code> object. <ahref="../quote/to_tokens/trait.ToTokens.html#method.into_token_stream">Read more</a></div></details></div></details><sectionid="impl-Eq-for-TypeNever"class="impl"><aclass="src rightside"href="../src/syn/gen/eq.rs.html#1954">source</a><ahref="#impl-Eq-for-TypeNever"class="anchor">§</a><h3class="code-header">impl <aclass="trait"href="https://doc.rust-lang.org/1.76.0/core/cmp/trait.Eq.html"title="trait core::cmp::Eq">Eq</a> for <aclass="struct"href="struct.TypeNever.html"title="struct syn::TypeNever">TypeNever</a></h3></section></div><h2id="synthetic-implementations"class="section-header">Auto Trait Implementations<ahref="#synthetic-implementations"class="anchor">§</a></h2><divid="synthetic-implementations-list"><sectionid="impl-RefUnwindSafe-for-TypeNever"class="impl"><ahref="#impl-RefUnwindSafe-for-TypeNever"class="anchor">§</a><h3class="code-header">impl <aclass="trait"href="https://doc.rust-lang.org/1.76.0/core/panic/unwind_safe/trait.RefUnwindSafe.html"title="trait core::panic::unwind_safe::RefUnwindSafe">RefUnwindSafe</a> for <aclass="struct"href="struct.TypeNever.html"title="struct syn::TypeNever">TypeNever</a></h3></section><sectionid="impl-Send-for-TypeNever"class="impl"><ahref="#impl-Send-for-TypeNever"class="anchor">§</a><h3class="code-header">impl !<aclass="trait"href="https://doc.rust-lang.org/1.76.0/core/marker/trait.Send.html"title="trait core::marker::Send">Send</a> for <aclass="struct"href="struct.TypeNever.html"title="struct syn::TypeNever">TypeNever</a></h3></section><sectionid="impl-Sync-for-TypeNever"class="impl"><ahref="#impl-Sync-for-TypeNever"class="anchor">§</a><h3class="code-header">impl !<aclass="trait"href="https://doc.rust-lang.org/1.76.0/core/marker/trait.Sync.html"title="trait core::marker::Sync">Sync</a> for <aclass="struct"href="struct.TypeNever.html"title="struct syn::TypeNever">TypeNever</a></h3></section><sectionid="impl-Unpin-for-TypeNever"class="impl"><ahref="#impl-Unpin-for-TypeNever"class="anchor">§</a><h3class="code-header">impl <aclass="trait"href="https://doc.rust-lang.org/1.76.0/core/marker/trait.Unpin.html"title="trait core::marker::Unpin">Unpin</a> for <aclass="struct"href="struct.TypeNever.html"title="struct syn::TypeNever">TypeNever</a></h3></section><sectionid="impl-UnwindSafe-for-TypeNever"class="impl"><ahref="#impl-UnwindSafe-for-TypeNever"class="anchor">§</a><h3class="code-header">impl <aclass="trait"href="https://doc.rust-lang.org/1.76.0/core/panic/unwind_safe/trait.UnwindSafe.html"title="trait core::panic::unwind_safe::UnwindSafe">UnwindSafe</a> for <aclass="struct"href="struct.TypeNever.html"title="struct syn::TypeNever">TypeNever</a></h3></section></div><h2id="blanket-implementations"class="section-header">Blanket Implementations<ahref="#blanket-implementations"class="anchor">§</a></h2><divid="blanket-implementations-list"><detailsclass="toggle implementors-toggle"><summary><sectionid="impl-Any-for-T"class="impl"><aclass="src rightside"href="https://doc.rust-lang.org/1.76.0/src/core/any.rs.html#140">source</a><ahref="#impl-Any-for-T"class="anchor">§</a><h3class="code-header">impl<T><aclass="trait"href="https://doc.rust-lang.org/1.76.0/core/any/trait.Any.html"title="trait core::any::Any">Any</a> for T<divclass="where">where
<p>That is, this conversion is whatever the implementation of
<code><ahref="https://doc.rust-lang.org/1.76.0/core/convert/trait.From.html"title="trait core::convert::From">From</a><T> for U</code> chooses to do.</p>
</div></details></div></details><detailsclass="toggle implementors-toggle"><summary><sectionid="impl-Spanned-for-T"class="impl"><aclass="src rightside"href="../src/syn/spanned.rs.html#104-108">source</a><ahref="#impl-Spanned-for-T"class="anchor">§</a><h3class="code-header">impl<T><aclass="trait"href="spanned/trait.Spanned.html"title="trait syn::spanned::Spanned">Spanned</a> for T<divclass="where">where
T: Spanned + ?<aclass="trait"href="https://doc.rust-lang.org/1.76.0/core/marker/trait.Sized.html"title="trait core::marker::Sized">Sized</a>,</div></h3></section></summary><divclass="impl-items"><detailsclass="toggle method-toggle"open><summary><sectionid="method.span"class="method trait-impl"><aclass="src rightside"href="../src/syn/spanned.rs.html#105-107">source</a><ahref="#method.span"class="anchor">§</a><h4class="code-header">fn <ahref="spanned/trait.Spanned.html#tymethod.span"class="fn">span</a>(&self) -><aclass="struct"href="../proc_macro2/struct.Span.html"title="struct proc_macro2::Span">Span</a></h4></section></summary><divclass='docblock'>Returns a <code>Span</code> covering the complete contents of this syntax tree
node, or <ahref="../proc_macro2/struct.Span.html#method.call_site"title="associated function proc_macro2::Span::call_site"><code>Span::call_site()</code></a> if this node is empty.</div></details></div></details><detailsclass="toggle implementors-toggle"><summary><sectionid="impl-ToOwned-for-T"class="impl"><aclass="src rightside"href="https://doc.rust-lang.org/1.76.0/src/alloc/borrow.rs.html#83-85">source</a><ahref="#impl-ToOwned-for-T"class="anchor">§</a><h3class="code-header">impl<T><aclass="trait"href="https://doc.rust-lang.org/1.76.0/alloc/borrow/trait.ToOwned.html"title="trait alloc::borrow::ToOwned">ToOwned</a> for T<divclass="where">where
T: <aclass="trait"href="https://doc.rust-lang.org/1.76.0/core/clone/trait.Clone.html"title="trait core::clone::Clone">Clone</a>,</div></h3></section></summary><divclass="impl-items"><detailsclass="toggle"open><summary><sectionid="associatedtype.Owned"class="associatedtype trait-impl"><ahref="#associatedtype.Owned"class="anchor">§</a><h4class="code-header">type <ahref="https://doc.rust-lang.org/1.76.0/alloc/borrow/trait.ToOwned.html#associatedtype.Owned"class="associatedtype">Owned</a> = T</h4></section></summary><divclass='docblock'>The resulting type after obtaining ownership.</div></details><detailsclass="toggle method-toggle"open><summary><sectionid="method.to_owned"class="method trait-impl"><aclass="src rightside"href="https://doc.rust-lang.org/1.76.0/src/alloc/borrow.rs.html#88">source</a><ahref="#method.to_owned"class="anchor">§</a><h4class="code-header">fn <ahref="https://doc.rust-lang.org/1.76.0/alloc/borrow/trait.ToOwned.html#tymethod.to_owned"class="fn">to_owned</a>(&self) -> T</h4></section></summary><divclass='docblock'>Creates owned data from borrowed data, usually by cloning. <ahref="https://doc.rust-lang.org/1.76.0/alloc/borrow/trait.ToOwned.html#tymethod.to_owned">Read more</a></div></details><detailsclass="toggle method-toggle"open><summary><sectionid="method.clone_into"class="method trait-impl"><aclass="src rightside"href="https://doc.rust-lang.org/1.76.0/src/alloc/borrow.rs.html#92">source</a><ahref="#method.clone_into"class="anchor">§</a><h4class="code-header">fn <ahref="https://doc.rust-lang.org/1.76.0/alloc/borrow/trait.ToOwned.html#method.clone_into"class="fn">clone_into</a>(&self, target: <aclass="primitive"href="https://doc.rust-lang.org/1.76.0/std/primitive.reference.html">&mut T</a>)</h4></section></summary><divclass='docblock'>Uses borrowed data to replace owned data, usually by cloning. <ahref="https://doc.rust-lang.org/1.76.0/alloc/borrow/trait.ToOwned.html#method.clone_into">Read more</a></div></details></div></details><detailsclass="toggle implementors-toggle"><summary><sectionid="impl-TryFrom%3CU%3E-for-T"class="impl"><aclass="src rightside"href="https://doc.rust-lang.org/1.76.0/src/core/convert/mod.rs.html#803-805">source</a><ahref="#impl-TryFrom%3CU%3E-for-T"class="anchor">§</a><h3class="code-header">impl<T, U><aclass="trait"href="https://doc.rust-lang.org/1.76.0/core/convert/trait.TryFrom.html"title="trait core::convert::TryFrom">TryFrom</a><U> for T<divclass="where">where
U: <aclass="trait"href="https://doc.rust-lang.org/1.76.0/core/convert/trait.Into.html"title="trait core::convert::Into">Into</a><T>,</div></h3></section></summary><divclass="impl-items"><detailsclass="toggle"open><summary><sectionid="associatedtype.Error"class="associatedtype trait-impl"><ahref="#associatedtype.Error"class="anchor">§</a><h4class="code-header">type <ahref="https://doc.rust-lang.org/1.76.0/core/convert/trait.TryFrom.html#associatedtype.Error"class="associatedtype">Error</a> = <aclass="enum"href="https://doc.rust-lang.org/1.76.0/core/convert/enum.Infallible.html"title="enum core::convert::Infallible">Infallible</a></h4></section></summary><divclass='docblock'>The type returned in the event of a conversion error.</div></details><detailsclass="toggle method-toggle"open><summary><sectionid="method.try_from"class="method trait-impl"><aclass="src rightside"href="https://doc.rust-lang.org/1.76.0/src/core/convert/mod.rs.html#810">source</a><ahref="#method.try_from"class="anchor">§</a><h4class="code-header">fn <ahref="https://doc.rust-lang.org/1.76.0/core/convert/trait.TryFrom.html#tymethod.try_from"class="fn">try_from</a>(value: U) -><aclass="enum"href="https://doc.rust-lang.org/1.76.0/core/result/enum.Result.html"title="enum core::result::Result">Result</a><T, <T as <aclass="trait"href="https://doc.rust-lang.org/1.76.0/core/convert/trait.TryFrom.html"title="trait core::convert::TryFrom">TryFrom</a><U>>::<aclass="associatedtype"href="https://doc.rust-lang.org/1.76.0/core/convert/trait.TryFrom.html#associatedtype.Error"title="type core::convert::TryFrom::Error">Error</a>></h4></section></summary><divclass='docblock'>Performs the conversion.</div></details></div></details><detailsclass="toggle implementors-toggle"><summary><sectionid="impl-TryInto%3CU%3E-for-T"class="impl"><aclass="src rightside"href="https://doc.rust-lang.org/1.76.0/src/core/convert/mod.rs.html#788-790">source</a><ahref="#impl-TryInto%3CU%3E-for-T"class="anchor">§</a><h3class="code-header">impl<T, U><aclass="trait"href="https://doc.rust-lang.org/1.76.0/core/convert/trait.TryInto.html"title="trait core::convert::TryInto">TryInto</a><U> for T<divclass="where">where
U: <aclass="trait"href="https://doc.rust-lang.org/1.76.0/core/convert/trait.TryFrom.html"title="trait core::convert::TryFrom">TryFrom</a><T>,</div></h3></section></summary><divclass="impl-items"><detailsclass="toggle"open><summary><sectionid="associatedtype.Error-1"class="associatedtype trait-impl"><ahref="#associatedtype.Error-1"class="anchor">§</a><h4class="code-header">type <ahref="https://doc.rust-lang.org/1.76.0/core/convert/trait.TryInto.html#associatedtype.Error"class="associatedtype">Error</a> = <U as <aclass="trait"href="https://doc.rust-lang.org/1.76.0/core/convert/trait.TryFrom.html"title="trait core::convert::TryFrom">TryFrom</a><T>>::<aclass="associatedtype"href="https://doc.rust-lang.org/1.76.0/core/convert/trait.TryFrom.html#associatedtype.Error"title="type core::convert::TryFrom::Error">Error</a></h4></section></summary><divclass='docblock'>The type returned in the event of a conversion error.</div></details><detailsclass="toggle method-toggle"open><summary><sectionid="method.try_into"class="method trait-impl"><aclass="src rightside"href="https://doc.rust-lang.org/1.76.0/src/core/convert/mod.rs.html#795">source</a><ahref="#method.try_into"class="anchor">§</a><h4class="code-header">fn <ahref="https://doc.rust-lang.org/1.76.0/core/convert/trait.TryInto.html#tymethod.try_into"class="fn">try_into</a>(self) -><aclass="enum"href="https://doc.rust-lang.org/1.76.0/core/result/enum.Result.html"title="enum core::result::Result">Result</a><U, <U as <aclass="trait"href="https://doc.rust-lang.org/1.76.0/core/convert/trait.TryFrom.html"title="trait core::convert::TryFrom">TryFrom</a><T>>::<aclass="associatedtype"href="https://doc.rust-lang.org/1.76.0/core/convert/trait.TryFrom.html#associatedtype.Error"title="type core::convert::TryFrom::Error">Error</a>></h4></section></summary><divclass='docblock'>Performs the conversion.</div></details></div></details></div></section></div></main></body></html>