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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="Represents a single diagnostic message"><title>Diagnostic in proc_macro_error - Rust</title><script>if(window.location.protocol!=="file:")document.head.insertAdjacentHTML("beforeend","SourceSerif4-Regular-46f98efaafac5295.ttf.woff2,FiraSans-Regular-018c141bf0843ffd.woff2,FiraSans-Medium-8f9a781e4970d388.woff2,SourceCodePro-Regular-562dcc5011b6de7d.ttf.woff2,SourceCodePro-Semibold-d899c5a5c4aeb14a.ttf.woff2".split(",").map(f=>`<link rel="preload" as="font" type="font/woff2" crossorigin href="../static.files/${f}">`).join(""))</script><link rel="stylesheet" href="../static.files/normalize-76eba96aa4d2e634.css"><link rel="stylesheet" href="../static.files/rustdoc-b0742ba02757f159.css"><meta name="rustdoc-vars" data-root-path="../" data-static-root-path="../static.files/" data-current-crate="proc_macro_error" data-themes="" data-resource-suffix="" data-rustdoc-version="1.83.0 (90b35a623 2024-11-26)" data-channel="1.83.0" data-search-js="search-f0d225181b97f9a4.js" data-settings-js="settings-805db61a62df4bd2.js" ><script src="../static.files/storage-1d39b6787ed640ff.js"></script><script defer src="sidebar-items.js"></script><script defer src="../static.files/main-f070b9041d14864c.js"></script><noscript><link rel="stylesheet" href="../static.files/noscript-0111fcff984fae8f.css"></noscript><link rel="alternate icon" type="image/png" href="../static.files/favicon-32x32-422f7d1d52889060.png"><link rel="icon" type="image/svg+xml" href="../static.files/favicon-2c020d218678b618.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]--><nav class="mobile-topbar"><button class="sidebar-menu-toggle" title="show sidebar"></button></nav><nav class="sidebar"><div class="sidebar-crate"><h2><a href="../proc_macro_error/index.html">proc_<wbr>macro_<wbr>error</a><span class="version">1.0.4</span></h2></div><div class="sidebar-elems"><section id="rustdoc-toc"><h2 class="location"><a href="#">Diagnostic</a></h2><h3><a href="#implementations">Methods</a></h3><ul class="block method"><li><a href="#method.abort" title="abort">abort</a></li><li><a href="#method.emit" title="emit">emit</a></li><li><a href="#method.help" title="help">help</a></li><li><a href="#method.message" title="message">message</a></li><li><a href="#method.new" title="new">new</a></li><li><a href="#method.note" title="note">note</a></li><li><a href="#method.span_error" title="span_error">span_error</a></li><li><a href="#method.span_help" title="span_help">span_help</a></li><li><a href="#method.span_note" title="span_note">span_note</a></li><li><a href="#method.spanned" title="spanned">spanned</a></li></ul><h3><a href="#trait-implementations">Trait Implementations</a></h3><ul class="block trait-implementation"><li><a href="#impl-Debug-for-Diagnostic" title="Debug">Debug</a></li><li><a href="#impl-DiagnosticExt-for-Diagnostic" title="DiagnosticExt">DiagnosticExt</a></li><li><a href="#impl-From%3CError%3E-for-Diagnostic" title="From&#60;Error&#62;">From&#60;Error&#62;</a></li><li><a href="#impl-ToTokens-for-Diagnostic" title="ToTokens">ToTokens</a></li></ul><h3><a href="#synthetic-implementations">Auto Trait Implementations</a></h3><ul class="block synthetic-implementation"><li><a href="#impl-Send-for-Diagnostic" title="!Send">!Send</a></li><li><a href="#impl-Sync-for-Diagnostic" title="!Sync">!Sync</a></li><li><a href="#impl-Freeze-for-Diagnostic" title="Freeze">Freeze</a></li><li><a href="#impl-RefUnwindSafe-for-Diagnostic" title="RefUnwindSafe">RefUnwindSafe</a></li><li><a href="#impl-Unpin-for-Diagnostic" title="Unpin">Unpin</a></li><li><a href="#impl-UnwindSafe-for-Diagnostic" title="UnwindSafe">UnwindSafe</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&#60;T&#62;">Borrow&#60;T&#62;</a></li><li><a href="#impl-BorrowMut%3CT%3E-for-T" title="BorrowMut&#60;T&#62;">BorrowMut&#60;T&#62;</a></li><li><a href="#impl-From%3CT%3E-for-T" title="From&#60;T&#62;">From&#60;T&#62;</a></li><li><a href="#impl-Into%3CU%3E-for-T" title="Into&#60;U&#62;">Into&#60;U&#62;</a></li><li><a href="#impl-Spanned-for-T" title="Spanned">Spanned</a></li><li><a href="#impl-TryFrom%3CU%3E-for-T" title="TryFrom&#60;U&#62;">TryFrom&#60;U&#62;</a></li><li><a href="#impl-TryInto%3CU%3E-for-T" title="TryInto&#60;U&#62;">TryInto&#60;U&#62;</a></li></ul></section><div id="rustdoc-modnav"><h2 class="in-crate"><a href="index.html">In crate proc_<wbr>macro_<wbr>error</a></h2></div></div></nav><div class="sidebar-resizer"></div><main><div class="width-limiter"><rustdoc-search></rustdoc-search><section id="main-content" class="content"><div class="main-heading"><span class="rustdoc-breadcrumbs"><a href="index.html">proc_macro_error</a></span><h1>Struct <span class="struct">Diagnostic</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/proc_macro_error/diagnostic.rs.html#22-28">source</a> </span></div><pre class="rust item-decl"><code>pub struct Diagnostic { <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>Represents a single diagnostic message</p>
</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-Diagnostic" class="impl"><a class="src rightside" href="../src/proc_macro_error/diagnostic.rs.html#98-194">source</a><a href="#impl-Diagnostic" class="anchor">§</a><h3 class="code-header">impl <a class="struct" href="struct.Diagnostic.html" title="struct proc_macro_error::Diagnostic">Diagnostic</a></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/proc_macro_error/diagnostic.rs.html#100-102">source</a><h4 class="code-header">pub fn <a href="#method.new" class="fn">new</a>(level: <a class="enum" href="enum.Level.html" title="enum proc_macro_error::Level">Level</a>, message: <a class="struct" href="https://doc.rust-lang.org/1.83.0/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>) -&gt; Self</h4></section></summary><div class="docblock"><p>Create a new diagnostic message that points to <code>Span::call_site()</code></p>
</div></details><details class="toggle method-toggle" open><summary><section id="method.spanned" class="method"><a class="src rightside" href="../src/proc_macro_error/diagnostic.rs.html#105-114">source</a><h4 class="code-header">pub fn <a href="#method.spanned" class="fn">spanned</a>(span: <a class="struct" href="../proc_macro2/struct.Span.html" title="struct proc_macro2::Span">Span</a>, level: <a class="enum" href="enum.Level.html" title="enum proc_macro_error::Level">Level</a>, message: <a class="struct" href="https://doc.rust-lang.org/1.83.0/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>) -&gt; Self</h4></section></summary><div class="docblock"><p>Create a new diagnostic message that points to the <code>span</code></p>
</div></details><details class="toggle method-toggle" open><summary><section id="method.span_error" class="method"><a class="src rightside" href="../src/proc_macro_error/diagnostic.rs.html#118-126">source</a><h4 class="code-header">pub fn <a href="#method.span_error" class="fn">span_error</a>(self, span: <a class="struct" href="../proc_macro2/struct.Span.html" title="struct proc_macro2::Span">Span</a>, msg: <a class="struct" href="https://doc.rust-lang.org/1.83.0/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>) -&gt; Self</h4></section></summary><div class="docblock"><p>Add another error message to self such that it will be emitted right after
the main message.</p>
</div></details><details class="toggle method-toggle" open><summary><section id="method.span_help" class="method"><a class="src rightside" href="../src/proc_macro_error/diagnostic.rs.html#133-141">source</a><h4 class="code-header">pub fn <a href="#method.span_help" class="fn">span_help</a>(self, span: <a class="struct" href="../proc_macro2/struct.Span.html" title="struct proc_macro2::Span">Span</a>, msg: <a class="struct" href="https://doc.rust-lang.org/1.83.0/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>) -&gt; Self</h4></section></summary><div class="docblock"><p>Attach a “help” note to your main message, the note will have its own span on nightly.</p>
<h5 id="span"><a class="doc-anchor" href="#span">§</a>Span</h5>
<p>The span is ignored on stable, the note effectively inherits its parents (main message) span</p>
</div></details><details class="toggle method-toggle" open><summary><section id="method.help" class="method"><a class="src rightside" href="../src/proc_macro_error/diagnostic.rs.html#144-147">source</a><h4 class="code-header">pub fn <a href="#method.help" class="fn">help</a>(self, msg: <a class="struct" href="https://doc.rust-lang.org/1.83.0/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>) -&gt; Self</h4></section></summary><div class="docblock"><p>Attach a “help” note to your main message.</p>
</div></details><details class="toggle method-toggle" open><summary><section id="method.span_note" class="method"><a class="src rightside" href="../src/proc_macro_error/diagnostic.rs.html#154-162">source</a><h4 class="code-header">pub fn <a href="#method.span_note" class="fn">span_note</a>(self, span: <a class="struct" href="../proc_macro2/struct.Span.html" title="struct proc_macro2::Span">Span</a>, msg: <a class="struct" href="https://doc.rust-lang.org/1.83.0/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>) -&gt; Self</h4></section></summary><div class="docblock"><p>Attach a note to your main message, the note will have its own span on nightly.</p>
<h5 id="span-1"><a class="doc-anchor" href="#span-1">§</a>Span</h5>
<p>The span is ignored on stable, the note effectively inherits its parents (main message) span</p>
</div></details><details class="toggle method-toggle" open><summary><section id="method.note" class="method"><a class="src rightside" href="../src/proc_macro_error/diagnostic.rs.html#165-168">source</a><h4 class="code-header">pub fn <a href="#method.note" class="fn">note</a>(self, msg: <a class="struct" href="https://doc.rust-lang.org/1.83.0/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>) -&gt; Self</h4></section></summary><div class="docblock"><p>Attach a note to your main message</p>
</div></details><details class="toggle method-toggle" open><summary><section id="method.message" class="method"><a class="src rightside" href="../src/proc_macro_error/diagnostic.rs.html#171-173">source</a><h4 class="code-header">pub fn <a href="#method.message" class="fn">message</a>(&amp;self) -&gt; &amp;<a class="primitive" href="https://doc.rust-lang.org/1.83.0/std/primitive.str.html">str</a></h4></section></summary><div class="docblock"><p>The message of main warning/error (no notes attached)</p>
</div></details><details class="toggle method-toggle" open><summary><section id="method.abort" class="method"><a class="src rightside" href="../src/proc_macro_error/diagnostic.rs.html#180-183">source</a><h4 class="code-header">pub fn <a href="#method.abort" class="fn">abort</a>(self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.83.0/std/primitive.never.html">!</a></h4></section></summary><div class="docblock"><p>Abort the proc-macros execution and display the diagnostic.</p>
<h5 id="warnings"><a class="doc-anchor" href="#warnings">§</a>Warnings</h5>
<p>Warnings are not emitted on stable and beta, but this function will abort anyway.</p>
</div></details><details class="toggle method-toggle" open><summary><section id="method.emit" class="method"><a class="src rightside" href="../src/proc_macro_error/diagnostic.rs.html#190-193">source</a><h4 class="code-header">pub fn <a href="#method.emit" class="fn">emit</a>(self)</h4></section></summary><div class="docblock"><p>Display the diagnostic while not aborting macro execution.</p>
<h5 id="warnings-1"><a class="doc-anchor" href="#warnings-1">§</a>Warnings</h5>
<p>Warnings are ignored on stable/beta</p>
</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-Debug-for-Diagnostic" class="impl"><a class="src rightside" href="../src/proc_macro_error/diagnostic.rs.html#21">source</a><a href="#impl-Debug-for-Diagnostic" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.83.0/core/fmt/trait.Debug.html" title="trait core::fmt::Debug">Debug</a> for <a class="struct" href="struct.Diagnostic.html" title="struct proc_macro_error::Diagnostic">Diagnostic</a></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/proc_macro_error/diagnostic.rs.html#21">source</a><a href="#method.fmt" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.83.0/core/fmt/trait.Debug.html#tymethod.fmt" class="fn">fmt</a>(&amp;self, f: &amp;mut <a class="struct" href="https://doc.rust-lang.org/1.83.0/core/fmt/struct.Formatter.html" title="struct core::fmt::Formatter">Formatter</a>&lt;'_&gt;) -&gt; <a class="type" href="https://doc.rust-lang.org/1.83.0/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/1.83.0/core/fmt/trait.Debug.html#tymethod.fmt">Read more</a></div></details></div></details><details class="toggle implementors-toggle" open><summary><section id="impl-DiagnosticExt-for-Diagnostic" class="impl"><a class="src rightside" href="../src/proc_macro_error/diagnostic.rs.html#69-96">source</a><a href="#impl-DiagnosticExt-for-Diagnostic" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.DiagnosticExt.html" title="trait proc_macro_error::DiagnosticExt">DiagnosticExt</a> for <a class="struct" href="struct.Diagnostic.html" title="struct proc_macro_error::Diagnostic">Diagnostic</a></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.spanned_range" class="method trait-impl"><a class="src rightside" href="../src/proc_macro_error/diagnostic.rs.html#70-78">source</a><a href="#method.spanned_range" class="anchor">§</a><h4 class="code-header">fn <a href="trait.DiagnosticExt.html#tymethod.spanned_range" class="fn">spanned_range</a>(span_range: <a class="struct" href="struct.SpanRange.html" title="struct proc_macro_error::SpanRange">SpanRange</a>, level: <a class="enum" href="enum.Level.html" title="enum proc_macro_error::Level">Level</a>, message: <a class="struct" href="https://doc.rust-lang.org/1.83.0/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>) -&gt; Self</h4></section></summary><div class='docblock'>Create a new diagnostic message that points to the <code>span_range</code>. <a href="trait.DiagnosticExt.html#tymethod.spanned_range">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.span_range_error" class="method trait-impl"><a class="src rightside" href="../src/proc_macro_error/diagnostic.rs.html#80-83">source</a><a href="#method.span_range_error" class="anchor">§</a><h4 class="code-header">fn <a href="trait.DiagnosticExt.html#tymethod.span_range_error" class="fn">span_range_error</a>(self, span_range: <a class="struct" href="struct.SpanRange.html" title="struct proc_macro_error::SpanRange">SpanRange</a>, msg: <a class="struct" href="https://doc.rust-lang.org/1.83.0/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>) -&gt; Self</h4></section></summary><div class='docblock'>Add another error message to self such that it will be emitted right after
the main message. <a href="trait.DiagnosticExt.html#tymethod.span_range_error">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.span_range_help" class="method trait-impl"><a class="src rightside" href="../src/proc_macro_error/diagnostic.rs.html#85-89">source</a><a href="#method.span_range_help" class="anchor">§</a><h4 class="code-header">fn <a href="trait.DiagnosticExt.html#tymethod.span_range_help" class="fn">span_range_help</a>(self, span_range: <a class="struct" href="struct.SpanRange.html" title="struct proc_macro_error::SpanRange">SpanRange</a>, msg: <a class="struct" href="https://doc.rust-lang.org/1.83.0/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>) -&gt; Self</h4></section></summary><div class='docblock'>Attach a “help” note to your main message, the note will have its own span on nightly. <a href="trait.DiagnosticExt.html#tymethod.span_range_help">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.span_range_note" class="method trait-impl"><a class="src rightside" href="../src/proc_macro_error/diagnostic.rs.html#91-95">source</a><a href="#method.span_range_note" class="anchor">§</a><h4 class="code-header">fn <a href="trait.DiagnosticExt.html#tymethod.span_range_note" class="fn">span_range_note</a>(self, span_range: <a class="struct" href="struct.SpanRange.html" title="struct proc_macro_error::SpanRange">SpanRange</a>, msg: <a class="struct" href="https://doc.rust-lang.org/1.83.0/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>) -&gt; Self</h4></section></summary><div class='docblock'>Attach a note to your main message, the note will have its own span on nightly. <a href="trait.DiagnosticExt.html#tymethod.span_range_note">Read more</a></div></details></div></details><details class="toggle implementors-toggle" open><summary><section id="impl-From%3CError%3E-for-Diagnostic" class="impl"><a class="src rightside" href="../src/proc_macro_error/diagnostic.rs.html#291-349">source</a><a href="#impl-From%3CError%3E-for-Diagnostic" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.83.0/core/convert/trait.From.html" title="trait core::convert::From">From</a>&lt;<a class="struct" href="../syn/error/struct.Error.html" title="struct syn::error::Error">Error</a>&gt; for <a class="struct" href="struct.Diagnostic.html" title="struct proc_macro_error::Diagnostic">Diagnostic</a></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="../src/proc_macro_error/diagnostic.rs.html#292-348">source</a><a href="#method.from" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.83.0/core/convert/trait.From.html#tymethod.from" class="fn">from</a>(err: <a class="struct" href="../syn/error/struct.Error.html" title="struct syn::error::Error">Error</a>) -&gt; Self</h4></section></summary><div class='docblock'>Converts to this type from the input type.</div></details></div></details><details class="toggle implementors-toggle" open><summary><section id="impl-ToTokens-for-Diagnostic" class="impl"><a class="src rightside" href="../src/proc_macro_error/diagnostic.rs.html#214-273">source</a><a href="#impl-ToTokens-for-Diagnostic" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="../quote/to_tokens/trait.ToTokens.html" title="trait quote::to_tokens::ToTokens">ToTokens</a> for <a class="struct" href="struct.Diagnostic.html" title="struct proc_macro_error::Diagnostic">Diagnostic</a></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.to_tokens" class="method trait-impl"><a class="src rightside" href="../src/proc_macro_error/diagnostic.rs.html#215-272">source</a><a href="#method.to_tokens" class="anchor">§</a><h4 class="code-header">fn <a href="../quote/to_tokens/trait.ToTokens.html#tymethod.to_tokens" class="fn">to_tokens</a>(&amp;self, ts: &amp;mut <a class="struct" href="../proc_macro2/struct.TokenStream.html" title="struct proc_macro2::TokenStream">TokenStream</a>)</h4></section></summary><div class='docblock'>Write <code>self</code> to the given <code>TokenStream</code>. <a href="../quote/to_tokens/trait.ToTokens.html#tymethod.to_tokens">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.to_token_stream" class="method trait-impl"><a class="src rightside" href="../src/quote/to_tokens.rs.html#60">source</a><a href="#method.to_token_stream" class="anchor">§</a><h4 class="code-header">fn <a href="../quote/to_tokens/trait.ToTokens.html#method.to_token_stream" class="fn">to_token_stream</a>(&amp;self) -&gt; <a class="struct" href="../proc_macro2/struct.TokenStream.html" title="struct proc_macro2::TokenStream">TokenStream</a></h4></section></summary><div class='docblock'>Convert <code>self</code> directly into a <code>TokenStream</code> object. <a href="../quote/to_tokens/trait.ToTokens.html#method.to_token_stream">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.into_token_stream" class="method trait-impl"><a class="src rightside" href="../src/quote/to_tokens.rs.html#70-72">source</a><a href="#method.into_token_stream" class="anchor">§</a><h4 class="code-header">fn <a href="../quote/to_tokens/trait.ToTokens.html#method.into_token_stream" class="fn">into_token_stream</a>(self) -&gt; <a class="struct" href="../proc_macro2/struct.TokenStream.html" title="struct proc_macro2::TokenStream">TokenStream</a><div class="where">where
Self: <a class="trait" href="https://doc.rust-lang.org/1.83.0/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</div></h4></section></summary><div class='docblock'>Convert <code>self</code> directly into a <code>TokenStream</code> object. <a href="../quote/to_tokens/trait.ToTokens.html#method.into_token_stream">Read more</a></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-Diagnostic" class="impl"><a href="#impl-Freeze-for-Diagnostic" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.83.0/core/marker/trait.Freeze.html" title="trait core::marker::Freeze">Freeze</a> for <a class="struct" href="struct.Diagnostic.html" title="struct proc_macro_error::Diagnostic">Diagnostic</a></h3></section><section id="impl-RefUnwindSafe-for-Diagnostic" class="impl"><a href="#impl-RefUnwindSafe-for-Diagnostic" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.83.0/core/panic/unwind_safe/trait.RefUnwindSafe.html" title="trait core::panic::unwind_safe::RefUnwindSafe">RefUnwindSafe</a> for <a class="struct" href="struct.Diagnostic.html" title="struct proc_macro_error::Diagnostic">Diagnostic</a></h3></section><section id="impl-Send-for-Diagnostic" class="impl"><a href="#impl-Send-for-Diagnostic" class="anchor">§</a><h3 class="code-header">impl !<a class="trait" href="https://doc.rust-lang.org/1.83.0/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> for <a class="struct" href="struct.Diagnostic.html" title="struct proc_macro_error::Diagnostic">Diagnostic</a></h3></section><section id="impl-Sync-for-Diagnostic" class="impl"><a href="#impl-Sync-for-Diagnostic" class="anchor">§</a><h3 class="code-header">impl !<a class="trait" href="https://doc.rust-lang.org/1.83.0/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> for <a class="struct" href="struct.Diagnostic.html" title="struct proc_macro_error::Diagnostic">Diagnostic</a></h3></section><section id="impl-Unpin-for-Diagnostic" class="impl"><a href="#impl-Unpin-for-Diagnostic" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.83.0/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a> for <a class="struct" href="struct.Diagnostic.html" title="struct proc_macro_error::Diagnostic">Diagnostic</a></h3></section><section id="impl-UnwindSafe-for-Diagnostic" class="impl"><a href="#impl-UnwindSafe-for-Diagnostic" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.83.0/core/panic/unwind_safe/trait.UnwindSafe.html" title="trait core::panic::unwind_safe::UnwindSafe">UnwindSafe</a> for <a class="struct" href="struct.Diagnostic.html" title="struct proc_macro_error::Diagnostic">Diagnostic</a></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/1.83.0/src/core/any.rs.html#138">source</a><a href="#impl-Any-for-T" class="anchor">§</a><h3 class="code-header">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/1.83.0/core/any/trait.Any.html" title="trait core::any::Any">Any</a> for T<div class="where">where
T: 'static + ?<a class="trait" href="https://doc.rust-lang.org/1.83.0/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/1.83.0/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/1.83.0/core/any/trait.Any.html#tymethod.type_id" class="fn">type_id</a>(&amp;self) -&gt; <a class="struct" href="https://doc.rust-lang.org/1.83.0/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/1.83.0/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/1.83.0/src/core/borrow.rs.html#209">source</a><a href="#impl-Borrow%3CT%3E-for-T" class="anchor">§</a><h3 class="code-header">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/1.83.0/core/borrow/trait.Borrow.html" title="trait core::borrow::Borrow">Borrow</a>&lt;T&gt; for T<div class="where">where
T: ?<a class="trait" href="https://doc.rust-lang.org/1.83.0/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/1.83.0/src/core/borrow.rs.html#211">source</a><a href="#method.borrow" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.83.0/core/borrow/trait.Borrow.html#tymethod.borrow" class="fn">borrow</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.83.0/std/primitive.reference.html">&amp;T</a></h4></section></summary><div class='docblock'>Immutably borrows from an owned value. <a href="https://doc.rust-lang.org/1.83.0/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/1.83.0/src/core/borrow.rs.html#217">source</a><a href="#impl-BorrowMut%3CT%3E-for-T" class="anchor">§</a><h3 class="code-header">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/1.83.0/core/borrow/trait.BorrowMut.html" title="trait core::borrow::BorrowMut">BorrowMut</a>&lt;T&gt; for T<div class="where">where
T: ?<a class="trait" href="https://doc.rust-lang.org/1.83.0/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/1.83.0/src/core/borrow.rs.html#218">source</a><a href="#method.borrow_mut" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.83.0/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut" class="fn">borrow_mut</a>(&amp;mut self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.83.0/std/primitive.reference.html">&amp;mut T</a></h4></section></summary><div class='docblock'>Mutably borrows from an owned value. <a href="https://doc.rust-lang.org/1.83.0/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut">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/1.83.0/src/core/convert/mod.rs.html#765">source</a><a href="#impl-From%3CT%3E-for-T" class="anchor">§</a><h3 class="code-header">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/1.83.0/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="toggle method-toggle" open><summary><section id="method.from-1" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.83.0/src/core/convert/mod.rs.html#768">source</a><a href="#method.from-1" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.83.0/core/convert/trait.From.html#tymethod.from" class="fn">from</a>(t: T) -&gt; T</h4></section></summary><div class="docblock"><p>Returns the argument unchanged.</p>
</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/1.83.0/src/core/convert/mod.rs.html#748-750">source</a><a href="#impl-Into%3CU%3E-for-T" class="anchor">§</a><h3 class="code-header">impl&lt;T, U&gt; <a class="trait" href="https://doc.rust-lang.org/1.83.0/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a>&lt;U&gt; for T<div class="where">where
U: <a class="trait" href="https://doc.rust-lang.org/1.83.0/core/convert/trait.From.html" title="trait core::convert::From">From</a>&lt;T&gt;,</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/1.83.0/src/core/convert/mod.rs.html#758">source</a><a href="#method.into" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.83.0/core/convert/trait.Into.html#tymethod.into" class="fn">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/1.83.0/core/convert/trait.From.html" title="trait core::convert::From">From</a>&lt;T&gt; for U</code> chooses to do.</p>
</div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-Spanned-for-T" class="impl"><a class="src rightside" href="../src/syn/spanned.rs.html#110">source</a><a href="#impl-Spanned-for-T" class="anchor">§</a><h3 class="code-header">impl&lt;T&gt; <a class="trait" href="../syn/spanned/trait.Spanned.html" title="trait syn::spanned::Spanned">Spanned</a> for T<div class="where">where
T: Spanned + ?<a class="trait" href="https://doc.rust-lang.org/1.83.0/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.span" class="method trait-impl"><a class="src rightside" href="../src/syn/spanned.rs.html#111">source</a><a href="#method.span" class="anchor">§</a><h4 class="code-header">fn <a href="../syn/spanned/trait.Spanned.html#tymethod.span" class="fn">span</a>(&amp;self) -&gt; <a class="struct" href="../proc_macro2/struct.Span.html" title="struct proc_macro2::Span">Span</a></h4></section></summary><div class='docblock'>Returns a <code>Span</code> covering the complete contents of this syntax tree
node, or <a href="../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><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/1.83.0/src/core/convert/mod.rs.html#805-807">source</a><a href="#impl-TryFrom%3CU%3E-for-T" class="anchor">§</a><h3 class="code-header">impl&lt;T, U&gt; <a class="trait" href="https://doc.rust-lang.org/1.83.0/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a>&lt;U&gt; for T<div class="where">where
U: <a class="trait" href="https://doc.rust-lang.org/1.83.0/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a>&lt;T&gt;,</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/1.83.0/src/core/convert/mod.rs.html#809">source</a><a href="#associatedtype.Error-1" class="anchor">§</a><h4 class="code-header">type <a href="https://doc.rust-lang.org/1.83.0/core/convert/trait.TryFrom.html#associatedtype.Error" class="associatedtype">Error</a> = <a class="enum" href="https://doc.rust-lang.org/1.83.0/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/1.83.0/src/core/convert/mod.rs.html#812">source</a><a href="#method.try_from" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.83.0/core/convert/trait.TryFrom.html#tymethod.try_from" class="fn">try_from</a>(value: U) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.83.0/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/1.83.0/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/1.83.0/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a>&gt;</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/1.83.0/src/core/convert/mod.rs.html#790-792">source</a><a href="#impl-TryInto%3CU%3E-for-T" class="anchor">§</a><h3 class="code-header">impl&lt;T, U&gt; <a class="trait" href="https://doc.rust-lang.org/1.83.0/core/convert/trait.TryInto.html" title="trait core::convert::TryInto">TryInto</a>&lt;U&gt; for T<div class="where">where
U: <a class="trait" href="https://doc.rust-lang.org/1.83.0/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a>&lt;T&gt;,</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/1.83.0/src/core/convert/mod.rs.html#794">source</a><a href="#associatedtype.Error" class="anchor">§</a><h4 class="code-header">type <a href="https://doc.rust-lang.org/1.83.0/core/convert/trait.TryInto.html#associatedtype.Error" class="associatedtype">Error</a> = &lt;U as <a class="trait" href="https://doc.rust-lang.org/1.83.0/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/1.83.0/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/1.83.0/src/core/convert/mod.rs.html#797">source</a><a href="#method.try_into" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.83.0/core/convert/trait.TryInto.html#tymethod.try_into" class="fn">try_into</a>(self) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.83.0/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/1.83.0/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/1.83.0/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a>&gt;</h4></section></summary><div class='docblock'>Performs the conversion.</div></details></div></details></div></section></div></main></body></html>