| <!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"><meta name="keywords" content="rust, rustlang, rust-lang, Diagnostic"><title>Diagnostic in proc_macro_error - 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" 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class="logo-container"><img class="rust-logo" src="../rust-logo.svg" alt="logo"></div></a><h2></h2></nav><nav class="sidebar"><a class="sidebar-logo" href="../proc_macro_error/index.html"><div class="logo-container"><img class="rust-logo" src="../rust-logo.svg" alt="logo"></div></a><h2 class="location"><a href="#">Diagnostic</a></h2><div class="sidebar-elems"><section><h3><a href="#implementations">Methods</a></h3><ul class="block"><li><a href="#method.abort">abort</a></li><li><a href="#method.emit">emit</a></li><li><a href="#method.help">help</a></li><li><a href="#method.message">message</a></li><li><a href="#method.new">new</a></li><li><a href="#method.note">note</a></li><li><a href="#method.span_error">span_error</a></li><li><a href="#method.span_help">span_help</a></li><li><a href="#method.span_note">span_note</a></li><li><a href="#method.spanned">spanned</a></li></ul><h3><a href="#trait-implementations">Trait Implementations</a></h3><ul class="block"><li><a href="#impl-Debug-for-Diagnostic">Debug</a></li><li><a href="#impl-DiagnosticExt-for-Diagnostic">DiagnosticExt</a></li><li><a href="#impl-From%3CError%3E-for-Diagnostic">From<Error></a></li><li><a href="#impl-ToTokens-for-Diagnostic">ToTokens</a></li></ul><h3><a href="#synthetic-implementations">Auto Trait Implementations</a></h3><ul class="block"><li><a href="#impl-RefUnwindSafe-for-Diagnostic">RefUnwindSafe</a></li><li><a href="#impl-Send-for-Diagnostic">!Send</a></li><li><a href="#impl-Sync-for-Diagnostic">!Sync</a></li><li><a href="#impl-Unpin-for-Diagnostic">Unpin</a></li><li><a href="#impl-UnwindSafe-for-Diagnostic">UnwindSafe</a></li></ul><h3><a href="#blanket-implementations">Blanket Implementations</a></h3><ul class="block"><li><a href="#impl-Any-for-Diagnostic">Any</a></li><li><a href="#impl-Borrow%3CT%3E-for-Diagnostic">Borrow<T></a></li><li><a href="#impl-BorrowMut%3CT%3E-for-Diagnostic">BorrowMut<T></a></li><li><a href="#impl-From%3CT%3E-for-Diagnostic">From<T></a></li><li><a href="#impl-Into%3CU%3E-for-Diagnostic">Into<U></a></li><li><a href="#impl-Spanned-for-Diagnostic">Spanned</a></li><li><a href="#impl-TryFrom%3CU%3E-for-Diagnostic">TryFrom<U></a></li><li><a href="#impl-TryInto%3CU%3E-for-Diagnostic">TryInto<U></a></li></ul></section><h2><a href="index.html">In proc_macro_error</a></h2></div></nav><main><div class="width-limiter"><nav class="sub"><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"><div id="help-button" title="help" tabindex="-1"><a href="../help.html">?</a></div><div id="settings-menu" tabindex="-1"><a href="../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../wheel.svg"></a></div></div></form></nav><section id="main-content" class="content"><div class="main-heading"><h1 class="fqn">Struct <a href="index.html">proc_macro_error</a>::<wbr><a class="struct" href="#">Diagnostic</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></h1><span class="out-of-band"><a class="srclink" href="../src/proc_macro_error/diagnostic.rs.html#22-28">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">−</span>]</a></span></div><div class="item-decl"><pre class="rust struct"><code>pub struct Diagnostic { /* private fields */ }</code></pre></div><details class="rustdoc-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="small-section-header">Implementations<a href="#implementations" class="anchor"></a></h2><div id="implementations-list"><details class="rustdoc-toggle implementors-toggle" open><summary><section id="impl-Diagnostic" class="impl has-srclink"><a class="srclink 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="rustdoc-toggle method-toggle" open><summary><section id="method.new" class="method has-srclink"><a class="srclink rightside" href="../src/proc_macro_error/diagnostic.rs.html#100-102">source</a><h4 class="code-header">pub fn <a href="#method.new" class="fnname">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/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>) -> 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="rustdoc-toggle method-toggle" open><summary><section id="method.spanned" class="method has-srclink"><a class="srclink rightside" href="../src/proc_macro_error/diagnostic.rs.html#105-114">source</a><h4 class="code-header">pub fn <a href="#method.spanned" class="fnname">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/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>) -> 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="rustdoc-toggle method-toggle" open><summary><section id="method.span_error" class="method has-srclink"><a class="srclink 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="fnname">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/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>) -> 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="rustdoc-toggle method-toggle" open><summary><section id="method.span_help" class="method has-srclink"><a class="srclink 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="fnname">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/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>) -> Self</h4></section></summary><div class="docblock"><p>Attach a “help” note to your main message, the note will have it’s own span on nightly.</p> |
| <h5 id="span"><a href="#span">Span</a></h5> |
| <p>The span is ignored on stable, the note effectively inherits its parent’s (main message) span</p> |
| </div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.help" class="method has-srclink"><a class="srclink rightside" href="../src/proc_macro_error/diagnostic.rs.html#144-147">source</a><h4 class="code-header">pub fn <a href="#method.help" class="fnname">help</a>(self, msg: <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>) -> Self</h4></section></summary><div class="docblock"><p>Attach a “help” note to your main message.</p> |
| </div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.span_note" class="method has-srclink"><a class="srclink 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="fnname">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/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>) -> Self</h4></section></summary><div class="docblock"><p>Attach a note to your main message, the note will have it’s own span on nightly.</p> |
| <h5 id="span-1"><a href="#span-1">Span</a></h5> |
| <p>The span is ignored on stable, the note effectively inherits its parent’s (main message) span</p> |
| </div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.note" class="method has-srclink"><a class="srclink rightside" href="../src/proc_macro_error/diagnostic.rs.html#165-168">source</a><h4 class="code-header">pub fn <a href="#method.note" class="fnname">note</a>(self, msg: <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>) -> Self</h4></section></summary><div class="docblock"><p>Attach a note to your main message</p> |
| </div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.message" class="method has-srclink"><a class="srclink rightside" href="../src/proc_macro_error/diagnostic.rs.html#171-173">source</a><h4 class="code-header">pub fn <a href="#method.message" class="fnname">message</a>(&self) -> &<a class="primitive" href="https://doc.rust-lang.org/nightly/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="rustdoc-toggle method-toggle" open><summary><section id="method.abort" class="method has-srclink"><a class="srclink rightside" href="../src/proc_macro_error/diagnostic.rs.html#180-183">source</a><h4 class="code-header">pub fn <a href="#method.abort" class="fnname">abort</a>(self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.never.html">!</a></h4></section></summary><div class="docblock"><p>Abort the proc-macro’s execution and display the diagnostic.</p> |
| <h5 id="warnings"><a href="#warnings">Warnings</a></h5> |
| <p>Warnings are not emitted on stable and beta, but this function will abort anyway.</p> |
| </div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.emit" class="method has-srclink"><a class="srclink rightside" href="../src/proc_macro_error/diagnostic.rs.html#190-193">source</a><h4 class="code-header">pub fn <a href="#method.emit" class="fnname">emit</a>(self)</h4></section></summary><div class="docblock"><p>Display the diagnostic while not aborting macro execution.</p> |
| <h5 id="warnings-1"><a href="#warnings-1">Warnings</a></h5> |
| <p>Warnings are ignored on stable/beta</p> |
| </div></details></div></details></div><h2 id="trait-implementations" class="small-section-header">Trait Implementations<a href="#trait-implementations" class="anchor"></a></h2><div id="trait-implementations-list"><details class="rustdoc-toggle implementors-toggle" open><summary><section id="impl-Debug-for-Diagnostic" class="impl has-srclink"><a class="srclink 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/nightly/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="rustdoc-toggle method-toggle" open><summary><section id="method.fmt" class="method trait-impl has-srclink"><a class="srclink 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/nightly/core/fmt/trait.Debug.html#tymethod.fmt" class="fnname">fmt</a>(&self, f: &mut <a class="struct" href="https://doc.rust-lang.org/nightly/core/fmt/struct.Formatter.html" title="struct core::fmt::Formatter">Formatter</a><'_>) -> <a class="type" href="https://doc.rust-lang.org/nightly/core/fmt/type.Result.html" title="type core::fmt::Result">Result</a></h4></section></summary><div class='docblock'>Formats the value using the given formatter. <a href="https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html#tymethod.fmt">Read more</a></div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><section id="impl-DiagnosticExt-for-Diagnostic" class="impl has-srclink"><a class="srclink 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="rustdoc-toggle method-toggle" open><summary><section id="method.spanned_range" class="method trait-impl has-srclink"><a class="srclink 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="fnname">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/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>) -> 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="rustdoc-toggle method-toggle" open><summary><section id="method.span_range_error" class="method trait-impl has-srclink"><a class="srclink 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="fnname">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/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>) -> 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="rustdoc-toggle method-toggle" open><summary><section id="method.span_range_help" class="method trait-impl has-srclink"><a class="srclink 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="fnname">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/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>) -> Self</h4></section></summary><div class='docblock'>Attach a “help” note to your main message, the note will have it’s own span on nightly. <a href="trait.DiagnosticExt.html#tymethod.span_range_help">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.span_range_note" class="method trait-impl has-srclink"><a class="srclink 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="fnname">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/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>) -> Self</h4></section></summary><div class='docblock'>Attach a note to your main message, the note will have it’s own span on nightly. <a href="trait.DiagnosticExt.html#tymethod.span_range_note">Read more</a></div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><section id="impl-From%3CError%3E-for-Diagnostic" class="impl has-srclink"><a class="srclink 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/nightly/core/convert/trait.From.html" title="trait core::convert::From">From</a><<a class="struct" href="https://docs.rs/syn/1.0.109/syn/error/struct.Error.html" title="struct syn::error::Error">Error</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="rustdoc-toggle method-toggle" open><summary><section id="method.from" class="method trait-impl has-srclink"><a class="srclink 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/nightly/core/convert/trait.From.html#tymethod.from" class="fnname">from</a>(err: <a class="struct" href="https://docs.rs/syn/1.0.109/syn/error/struct.Error.html" title="struct syn::error::Error">Error</a>) -> Self</h4></section></summary><div class='docblock'>Converts to this type from the input type.</div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><section id="impl-ToTokens-for-Diagnostic" class="impl has-srclink"><a class="srclink 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="rustdoc-toggle method-toggle" open><summary><section id="method.to_tokens" class="method trait-impl has-srclink"><a class="srclink 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="fnname">to_tokens</a>(&self, ts: &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="rustdoc-toggle method-toggle" open><summary><section id="method.to_token_stream" class="method trait-impl has-srclink"><a class="srclink rightside" href="../src/quote/to_tokens.rs.html#59">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="fnname">to_token_stream</a>(&self) -> <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="rustdoc-toggle method-toggle" open><summary><section id="method.into_token_stream" class="method trait-impl has-srclink"><a class="srclink rightside" href="../src/quote/to_tokens.rs.html#69-71">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="fnname">into_token_stream</a>(self) -> <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.into_token_stream">Read more</a></div></details></div></details></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-for-Diagnostic" class="impl has-srclink"><a href="#impl-RefUnwindSafe-for-Diagnostic" class="anchor"></a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/nightly/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 has-srclink"><a href="#impl-Send-for-Diagnostic" class="anchor"></a><h3 class="code-header">impl !<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> for <a class="struct" href="struct.Diagnostic.html" title="struct proc_macro_error::Diagnostic">Diagnostic</a></h3></section><section id="impl-Sync-for-Diagnostic" class="impl has-srclink"><a href="#impl-Sync-for-Diagnostic" class="anchor"></a><h3 class="code-header">impl !<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> for <a class="struct" href="struct.Diagnostic.html" title="struct proc_macro_error::Diagnostic">Diagnostic</a></h3></section><section id="impl-Unpin-for-Diagnostic" class="impl has-srclink"><a href="#impl-Unpin-for-Diagnostic" class="anchor"></a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a> for <a class="struct" href="struct.Diagnostic.html" title="struct proc_macro_error::Diagnostic">Diagnostic</a></h3></section><section id="impl-UnwindSafe-for-Diagnostic" class="impl has-srclink"><a href="#impl-UnwindSafe-for-Diagnostic" class="anchor"></a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/nightly/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="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-for-Diagnostic" class="impl has-srclink"><a class="srclink rightside" href="https://doc.rust-lang.org/nightly/src/core/any.rs.html#200">source</a><a href="#impl-Any-for-Diagnostic" class="anchor"></a><h3 class="code-header">impl<T> <a class="trait" href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html" title="trait core::any::Any">Any</a> for T<span class="where fmt-newline">where<br> T: 'static + ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</span></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"><a class="srclink rightside" href="https://doc.rust-lang.org/nightly/src/core/any.rs.html#201">source</a><a href="#method.type_id" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html#tymethod.type_id" class="fnname">type_id</a>(&self) -> <a class="struct" href="https://doc.rust-lang.org/nightly/core/any/struct.TypeId.html" title="struct core::any::TypeId">TypeId</a></h4></section></summary><div class='docblock'>Gets the <code>TypeId</code> of <code>self</code>. <a href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html#tymethod.type_id">Read more</a></div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-Borrow%3CT%3E-for-Diagnostic" class="impl has-srclink"><a class="srclink rightside" href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#211">source</a><a href="#impl-Borrow%3CT%3E-for-Diagnostic" class="anchor"></a><h3 class="code-header">impl<T> <a class="trait" href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html" title="trait core::borrow::Borrow">Borrow</a><T> for T<span class="where fmt-newline">where<br> T: ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</span></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/nightly/src/core/borrow.rs.html#213">source</a></span><a href="#method.borrow" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html#tymethod.borrow" class="fnname">borrow</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&</a>T</h4></section></summary><div class='docblock'>Immutably borrows from an owned value. <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html#tymethod.borrow">Read more</a></div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-BorrowMut%3CT%3E-for-Diagnostic" class="impl has-srclink"><a class="srclink rightside" href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#220">source</a><a href="#impl-BorrowMut%3CT%3E-for-Diagnostic" class="anchor"></a><h3 class="code-header">impl<T> <a class="trait" href="https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html" title="trait core::borrow::BorrowMut">BorrowMut</a><T> for T<span class="where fmt-newline">where<br> T: ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</span></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/nightly/src/core/borrow.rs.html#221">source</a></span><a href="#method.borrow_mut" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut" class="fnname">borrow_mut</a>(&mut self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&mut </a>T</h4></section></summary><div class='docblock'>Mutably borrows from an owned value. <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut">Read more</a></div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-From%3CT%3E-for-Diagnostic" class="impl has-srclink"><a class="srclink rightside" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#733">source</a><a href="#impl-From%3CT%3E-for-Diagnostic" class="anchor"></a><h3 class="code-header">impl<T> <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html" title="trait core::convert::From">From</a><T> for T</h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.from-1" 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/nightly/src/core/convert/mod.rs.html#736">source</a></span><a href="#method.from-1" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html#tymethod.from" class="fnname">from</a>(t: T) -> 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-Into%3CU%3E-for-Diagnostic" class="impl has-srclink"><a class="srclink rightside" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#717">source</a><a href="#impl-Into%3CU%3E-for-Diagnostic" class="anchor"></a><h3 class="code-header">impl<T, U> <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a><U> for T<span class="where fmt-newline">where<br> U: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html" title="trait core::convert::From">From</a><T>,</span></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/nightly/src/core/convert/mod.rs.html#725">source</a></span><a href="#method.into" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html#tymethod.into" class="fnname">into</a>(self) -> 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/nightly/core/convert/trait.From.html" title="From">From</a><T> for U</code> chooses to do.</p> |
| </div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-Spanned-for-Diagnostic" class="impl has-srclink"><a class="srclink rightside" href="https://docs.rs/syn/1.0.109/src/syn/spanned.rs.html#110">source</a><a href="#impl-Spanned-for-Diagnostic" class="anchor"></a><h3 class="code-header">impl<T> <a class="trait" href="https://docs.rs/syn/1.0.109/syn/spanned/trait.Spanned.html" title="trait syn::spanned::Spanned">Spanned</a> for T<span class="where fmt-newline">where<br> T: Spanned + ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.span" class="method trait-impl has-srclink"><a class="srclink rightside" href="https://docs.rs/syn/1.0.109/src/syn/spanned.rs.html#111">source</a><a href="#method.span" class="anchor"></a><h4 class="code-header">fn <a href="https://docs.rs/syn/1.0.109/syn/spanned/trait.Spanned.html#tymethod.span" class="fnname">span</a>(&self) -> <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"><code>Span::call_site()</code></a> if this node is empty. <a href="https://docs.rs/syn/1.0.109/syn/spanned/trait.Spanned.html#tymethod.span">Read more</a></div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-TryFrom%3CU%3E-for-Diagnostic" class="impl has-srclink"><a class="srclink rightside" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#775">source</a><a href="#impl-TryFrom%3CU%3E-for-Diagnostic" class="anchor"></a><h3 class="code-header">impl<T, U> <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><U> for T<span class="where fmt-newline">where<br> U: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a><T>,</span></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/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" class="associatedtype">Error</a> = <a class="enum" href="https://doc.rust-lang.org/nightly/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="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/nightly/src/core/convert/mod.rs.html#781">source</a></span><a href="#method.try_from" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#tymethod.try_from" class="fnname">try_from</a>(value: U) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><T, <T as <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><U>>::<a class="associatedtype" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a>></h4></section></summary><div class='docblock'>Performs the conversion.</div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-TryInto%3CU%3E-for-Diagnostic" class="impl has-srclink"><a class="srclink rightside" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#760">source</a><a href="#impl-TryInto%3CU%3E-for-Diagnostic" class="anchor"></a><h3 class="code-header">impl<T, U> <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html" title="trait core::convert::TryInto">TryInto</a><U> for T<span class="where fmt-newline">where<br> U: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><T>,</span></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/nightly/core/convert/trait.TryInto.html#associatedtype.Error" class="associatedtype">Error</a> = <U as <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><T>>::<a class="associatedtype" href="https://doc.rust-lang.org/nightly/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="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/nightly/src/core/convert/mod.rs.html#766">source</a></span><a href="#method.try_into" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html#tymethod.try_into" class="fnname">try_into</a>(self) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><U, <U as <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><T>>::<a class="associatedtype" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a>></h4></section></summary><div class='docblock'>Performs the conversion.</div></details></div></details></div></section></div></main><div id="rustdoc-vars" data-root-path="../" data-current-crate="proc_macro_error" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0-nightly (5c8bff74b 2022-10-21)" ></div></body></html> |
