| <!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="Source of the Rust file `/root/.cargo/registry/src/github.com-1ecc6299db9ec823/proc-macro-error-1.0.4/src/macros.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>macros.rs - source</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" href="../../normalize.css"><link rel="stylesheet" href="../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" href="../../ayu.css" disabled><link rel="stylesheet" href="../../dark.css" disabled><link rel="stylesheet" href="../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../storage.js"></script><script defer src="../../source-script.js"></script><script defer src="../../source-files.js"></script><script defer src="../../main.js"></script><noscript><link rel="stylesheet" href="../../noscript.css"></noscript><link rel="alternate icon" type="image/png" href="../../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../../favicon.svg"></head><body class="rustdoc source"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><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></nav><main><div class="width-limiter"><nav class="sub"><a class="sub-logo-container" href="../../proc_macro_error/index.html"><img class="rust-logo" src="../../rust-logo.svg" alt="logo"></a><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="example-wrap"><pre class="src-line-numbers"><span id="1">1</span> |
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| </pre><pre class="rust"><code><span class="comment">// FIXME: this can be greatly simplified via $()? |
| // as soon as MRSV hits 1.32 |
| |
| </span><span class="doccomment">/// Build [`Diagnostic`](struct.Diagnostic.html) instance from provided arguments. |
| /// |
| /// # Syntax |
| /// |
| /// See [the guide](index.html#guide). |
| /// |
| </span><span class="attribute">#[macro_export] |
| </span><span class="macro">macro_rules! </span>diagnostic { |
| <span class="comment">// from alias |
| </span>(<span class="macro-nonterminal">$err</span>:expr) => { <span class="macro-nonterminal">$crate::Diagnostic::from</span>(<span class="macro-nonterminal">$err</span>) }; |
| |
| <span class="comment">// span, message, help |
| </span>(<span class="macro-nonterminal">$span</span>:expr, <span class="macro-nonterminal">$level</span>:expr, <span class="macro-nonterminal">$fmt</span>:expr, $(<span class="macro-nonterminal">$args</span>:expr),+ ; $(<span class="macro-nonterminal">$rest</span>:tt)+) => {{ |
| <span class="attribute">#[allow(unused_imports)] |
| </span><span class="kw">use </span><span class="macro-nonterminal">$crate::__export</span>::{ |
| ToTokensAsSpanRange, |
| Span2AsSpanRange, |
| SpanAsSpanRange, |
| SpanRangeAsSpanRange |
| }; |
| <span class="kw">use </span><span class="macro-nonterminal">$crate::DiagnosticExt</span>; |
| <span class="kw">let </span>span_range = (<span class="kw-2">&</span><span class="macro-nonterminal">$span</span>).FIRST_ARG_MUST_EITHER_BE_Span_OR_IMPLEMENT_ToTokens_OR_BE_SpanRange(); |
| |
| <span class="kw">let </span>diag = <span class="macro-nonterminal">$crate::Diagnostic::spanned_range</span>( |
| span_range, |
| <span class="macro-nonterminal">$level</span>, |
| <span class="macro">format!</span>(<span class="macro-nonterminal">$fmt</span>, $(<span class="macro-nonterminal">$args</span>),<span class="kw-2">*</span>) |
| ); |
| <span class="macro-nonterminal">$</span><span class="macro">crate::__pme__suggestions!</span>(<span class="macro-nonterminal">diag </span>$(<span class="macro-nonterminal">$rest</span>)<span class="kw-2">*</span>); |
| diag |
| }}; |
| |
| (<span class="macro-nonterminal">$span</span>:expr, <span class="macro-nonterminal">$level</span>:expr, <span class="macro-nonterminal">$msg</span>:expr ; $(<span class="macro-nonterminal">$rest</span>:tt)+) => {{ |
| <span class="attribute">#[allow(unused_imports)] |
| </span><span class="kw">use </span><span class="macro-nonterminal">$crate::__export</span>::{ |
| ToTokensAsSpanRange, |
| Span2AsSpanRange, |
| SpanAsSpanRange, |
| SpanRangeAsSpanRange |
| }; |
| <span class="kw">use </span><span class="macro-nonterminal">$crate::DiagnosticExt</span>; |
| <span class="kw">let </span>span_range = (<span class="kw-2">&</span><span class="macro-nonterminal">$span</span>).FIRST_ARG_MUST_EITHER_BE_Span_OR_IMPLEMENT_ToTokens_OR_BE_SpanRange(); |
| |
| <span class="kw">let </span>diag = <span class="macro-nonterminal">$crate::Diagnostic::spanned_range</span>(span_range, <span class="macro-nonterminal">$level</span>, <span class="macro-nonterminal">$msg</span>.to_string()); |
| <span class="macro-nonterminal">$</span><span class="macro">crate::__pme__suggestions!</span>(<span class="macro-nonterminal">diag </span>$(<span class="macro-nonterminal">$rest</span>)<span class="kw-2">*</span>); |
| diag |
| }}; |
| |
| <span class="comment">// span, message, no help |
| </span>(<span class="macro-nonterminal">$span</span>:expr, <span class="macro-nonterminal">$level</span>:expr, <span class="macro-nonterminal">$fmt</span>:expr, $(<span class="macro-nonterminal">$args</span>:expr),+) => {{ |
| <span class="attribute">#[allow(unused_imports)] |
| </span><span class="kw">use </span><span class="macro-nonterminal">$crate::__export</span>::{ |
| ToTokensAsSpanRange, |
| Span2AsSpanRange, |
| SpanAsSpanRange, |
| SpanRangeAsSpanRange |
| }; |
| <span class="kw">use </span><span class="macro-nonterminal">$crate::DiagnosticExt</span>; |
| <span class="kw">let </span>span_range = (<span class="kw-2">&</span><span class="macro-nonterminal">$span</span>).FIRST_ARG_MUST_EITHER_BE_Span_OR_IMPLEMENT_ToTokens_OR_BE_SpanRange(); |
| |
| <span class="macro-nonterminal">$crate::Diagnostic::spanned_range</span>( |
| span_range, |
| <span class="macro-nonterminal">$level</span>, |
| <span class="macro">format!</span>(<span class="macro-nonterminal">$fmt</span>, $(<span class="macro-nonterminal">$args</span>),<span class="kw-2">*</span>) |
| ) |
| }}; |
| |
| (<span class="macro-nonterminal">$span</span>:expr, <span class="macro-nonterminal">$level</span>:expr, <span class="macro-nonterminal">$msg</span>:expr) => {{ |
| <span class="attribute">#[allow(unused_imports)] |
| </span><span class="kw">use </span><span class="macro-nonterminal">$crate::__export</span>::{ |
| ToTokensAsSpanRange, |
| Span2AsSpanRange, |
| SpanAsSpanRange, |
| SpanRangeAsSpanRange |
| }; |
| <span class="kw">use </span><span class="macro-nonterminal">$crate::DiagnosticExt</span>; |
| <span class="kw">let </span>span_range = (<span class="kw-2">&</span><span class="macro-nonterminal">$span</span>).FIRST_ARG_MUST_EITHER_BE_Span_OR_IMPLEMENT_ToTokens_OR_BE_SpanRange(); |
| |
| <span class="macro-nonterminal">$crate::Diagnostic::spanned_range</span>(span_range, <span class="macro-nonterminal">$level</span>, <span class="macro-nonterminal">$msg</span>.to_string()) |
| }}; |
| |
| |
| <span class="comment">// trailing commas |
| |
| </span>(<span class="macro-nonterminal">$span</span>:expr, <span class="macro-nonterminal">$level</span>:expr, <span class="macro-nonterminal">$fmt</span>:expr, $(<span class="macro-nonterminal">$args</span>:expr),+, ; $(<span class="macro-nonterminal">$rest</span>:tt)+) => { |
| <span class="macro-nonterminal">$</span><span class="macro">crate::diagnostic!</span>(<span class="macro-nonterminal">$span</span>, <span class="macro-nonterminal">$level</span>, <span class="macro-nonterminal">$fmt</span>, $(<span class="macro-nonterminal">$args</span>),* ; $(<span class="macro-nonterminal">$rest</span>)<span class="kw-2">*</span>) |
| }; |
| (<span class="macro-nonterminal">$span</span>:expr, <span class="macro-nonterminal">$level</span>:expr, <span class="macro-nonterminal">$msg</span>:expr, ; $(<span class="macro-nonterminal">$rest</span>:tt)+) => { |
| <span class="macro-nonterminal">$</span><span class="macro">crate::diagnostic!</span>(<span class="macro-nonterminal">$span</span>, <span class="macro-nonterminal">$level</span>, <span class="macro-nonterminal">$msg </span>; $(<span class="macro-nonterminal">$rest</span>)<span class="kw-2">*</span>) |
| }; |
| (<span class="macro-nonterminal">$span</span>:expr, <span class="macro-nonterminal">$level</span>:expr, <span class="macro-nonterminal">$fmt</span>:expr, $(<span class="macro-nonterminal">$args</span>:expr),+,) => { |
| <span class="macro-nonterminal">$</span><span class="macro">crate::diagnostic!</span>(<span class="macro-nonterminal">$span</span>, <span class="macro-nonterminal">$level</span>, <span class="macro-nonterminal">$fmt</span>, $(<span class="macro-nonterminal">$args</span>),<span class="kw-2">*</span>) |
| }; |
| (<span class="macro-nonterminal">$span</span>:expr, <span class="macro-nonterminal">$level</span>:expr, <span class="macro-nonterminal">$msg</span>:expr,) => { |
| <span class="macro-nonterminal">$</span><span class="macro">crate::diagnostic!</span>(<span class="macro-nonterminal">$span</span>, <span class="macro-nonterminal">$level</span>, <span class="macro-nonterminal">$msg</span>) |
| }; |
| <span class="comment">// ($err:expr,) => { $crate::diagnostic!($err) }; |
| </span>} |
| |
| <span class="doccomment">/// Abort proc-macro execution right now and display the error. |
| /// |
| /// # Syntax |
| /// |
| /// See [the guide](index.html#guide). |
| </span><span class="attribute">#[macro_export] |
| </span><span class="macro">macro_rules! </span>abort { |
| (<span class="macro-nonterminal">$err</span>:expr) => { |
| <span class="macro-nonterminal">$</span><span class="macro">crate::diagnostic!</span>(<span class="macro-nonterminal">$err</span>).abort() |
| }; |
| |
| (<span class="macro-nonterminal">$span</span>:expr, $(<span class="macro-nonterminal">$tts</span>:tt)<span class="kw-2">*</span>) => { |
| <span class="macro-nonterminal">$</span><span class="macro">crate::diagnostic!</span>(<span class="macro-nonterminal">$span</span>, <span class="macro-nonterminal">$crate::Level::Error</span>, $(<span class="macro-nonterminal">$tts</span>)<span class="kw-2">*</span>).abort() |
| }; |
| } |
| |
| <span class="doccomment">/// Shortcut for `abort!(Span::call_site(), msg...)`. This macro |
| /// is still preferable over plain panic, panics are not for error reporting. |
| /// |
| /// # Syntax |
| /// |
| /// See [the guide](index.html#guide). |
| /// |
| </span><span class="attribute">#[macro_export] |
| </span><span class="macro">macro_rules! </span>abort_call_site { |
| ($(<span class="macro-nonterminal">$tts</span>:tt)<span class="kw-2">*</span>) => { |
| <span class="macro-nonterminal">$</span><span class="macro">crate::abort!</span>(<span class="macro-nonterminal">$crate::__export::proc_macro2::Span::call_site</span>(), $(<span class="macro-nonterminal">$tts</span>)<span class="kw-2">*</span>) |
| }; |
| } |
| |
| <span class="doccomment">/// Emit an error while not aborting the proc-macro right away. |
| /// |
| /// # Syntax |
| /// |
| /// See [the guide](index.html#guide). |
| /// |
| </span><span class="attribute">#[macro_export] |
| </span><span class="macro">macro_rules! </span>emit_error { |
| (<span class="macro-nonterminal">$err</span>:expr) => { |
| <span class="macro-nonterminal">$</span><span class="macro">crate::diagnostic!</span>(<span class="macro-nonterminal">$err</span>).emit() |
| }; |
| |
| (<span class="macro-nonterminal">$span</span>:expr, $(<span class="macro-nonterminal">$tts</span>:tt)<span class="kw-2">*</span>) => {{ |
| <span class="kw">let </span>level = <span class="macro-nonterminal">$crate::Level::Error</span>; |
| <span class="macro-nonterminal">$</span><span class="macro">crate::diagnostic!</span>(<span class="macro-nonterminal">$span</span>, level, $(<span class="macro-nonterminal">$tts</span>)<span class="kw-2">*</span>).emit() |
| }}; |
| } |
| |
| <span class="doccomment">/// Shortcut for `emit_error!(Span::call_site(), ...)`. This macro |
| /// is still preferable over plain panic, panics are not for error reporting.. |
| /// |
| /// # Syntax |
| /// |
| /// See [the guide](index.html#guide). |
| /// |
| </span><span class="attribute">#[macro_export] |
| </span><span class="macro">macro_rules! </span>emit_call_site_error { |
| ($(<span class="macro-nonterminal">$tts</span>:tt)<span class="kw-2">*</span>) => { |
| <span class="macro-nonterminal">$</span><span class="macro">crate::emit_error!</span>(<span class="macro-nonterminal">$crate::__export::proc_macro2::Span::call_site</span>(), $(<span class="macro-nonterminal">$tts</span>)<span class="kw-2">*</span>) |
| }; |
| } |
| |
| <span class="doccomment">/// Emit a warning. Warnings are not errors and compilation won't fail because of them. |
| /// |
| /// **Does nothing on stable** |
| /// |
| /// # Syntax |
| /// |
| /// See [the guide](index.html#guide). |
| /// |
| </span><span class="attribute">#[macro_export] |
| </span><span class="macro">macro_rules! </span>emit_warning { |
| (<span class="macro-nonterminal">$span</span>:expr, $(<span class="macro-nonterminal">$tts</span>:tt)<span class="kw-2">*</span>) => { |
| <span class="macro-nonterminal">$</span><span class="macro">crate::diagnostic!</span>(<span class="macro-nonterminal">$span</span>, <span class="macro-nonterminal">$crate::Level::Warning</span>, $(<span class="macro-nonterminal">$tts</span>)<span class="kw-2">*</span>).emit() |
| }; |
| } |
| |
| <span class="doccomment">/// Shortcut for `emit_warning!(Span::call_site(), ...)`. |
| /// |
| /// **Does nothing on stable** |
| /// |
| /// # Syntax |
| /// |
| /// See [the guide](index.html#guide). |
| /// |
| </span><span class="attribute">#[macro_export] |
| </span><span class="macro">macro_rules! </span>emit_call_site_warning { |
| ($(<span class="macro-nonterminal">$tts</span>:tt)<span class="kw-2">*</span>) => {{ |
| <span class="macro-nonterminal">$</span><span class="macro">crate::emit_warning!</span>(<span class="macro-nonterminal">$crate::__export::proc_macro2::Span::call_site</span>(), $(<span class="macro-nonterminal">$tts</span>)<span class="kw-2">*</span>) |
| }}; |
| } |
| |
| <span class="attribute">#[doc(hidden)] |
| #[macro_export] |
| </span><span class="macro">macro_rules! </span>__pme__suggestions { |
| (<span class="macro-nonterminal">$var</span>:ident) => (); |
| |
| (<span class="macro-nonterminal">$var</span>:ident <span class="macro-nonterminal">$help</span>:ident =<span class="question-mark">? </span><span class="macro-nonterminal">$msg</span>:expr) => { |
| <span class="kw">let </span><span class="macro-nonterminal">$var </span>= <span class="kw">if let </span><span class="prelude-val">Some</span>(msg) = <span class="macro-nonterminal">$msg </span>{ |
| <span class="macro-nonterminal">$var</span>.suggestion(<span class="macro">stringify!</span>(<span class="macro-nonterminal">$help</span>), msg.to_string()) |
| } <span class="kw">else </span>{ |
| <span class="macro-nonterminal">$var |
| </span>}; |
| }; |
| (<span class="macro-nonterminal">$var</span>:ident <span class="macro-nonterminal">$help</span>:ident =<span class="question-mark">? </span><span class="macro-nonterminal">$span</span>:expr => <span class="macro-nonterminal">$msg</span>:expr) => { |
| <span class="kw">let </span><span class="macro-nonterminal">$var </span>= <span class="kw">if let </span><span class="prelude-val">Some</span>(msg) = <span class="macro-nonterminal">$msg </span>{ |
| <span class="macro-nonterminal">$var</span>.span_suggestion(<span class="macro-nonterminal">$span</span>.into(), <span class="macro">stringify!</span>(<span class="macro-nonterminal">$help</span>), msg.to_string()) |
| } <span class="kw">else </span>{ |
| <span class="macro-nonterminal">$var |
| </span>}; |
| }; |
| |
| (<span class="macro-nonterminal">$var</span>:ident <span class="macro-nonterminal">$help</span>:ident =<span class="question-mark">? </span><span class="macro-nonterminal">$msg</span>:expr ; $(<span class="macro-nonterminal">$rest</span>:tt)<span class="kw-2">*</span>) => { |
| <span class="macro-nonterminal">$</span><span class="macro">crate::__pme__suggestions!</span>(<span class="macro-nonterminal">$var $help </span>=<span class="question-mark">? </span><span class="macro-nonterminal">$msg</span>); |
| <span class="macro-nonterminal">$</span><span class="macro">crate::__pme__suggestions!</span>(<span class="macro-nonterminal">$var </span>$(<span class="macro-nonterminal">$rest</span>)<span class="kw-2">*</span>); |
| }; |
| (<span class="macro-nonterminal">$var</span>:ident <span class="macro-nonterminal">$help</span>:ident =<span class="question-mark">? </span><span class="macro-nonterminal">$span</span>:expr => <span class="macro-nonterminal">$msg</span>:expr ; $(<span class="macro-nonterminal">$rest</span>:tt)<span class="kw-2">*</span>) => { |
| <span class="macro-nonterminal">$</span><span class="macro">crate::__pme__suggestions!</span>(<span class="macro-nonterminal">$var $help </span>=<span class="question-mark">? </span><span class="macro-nonterminal">$span </span>=> <span class="macro-nonterminal">$msg</span>); |
| <span class="macro-nonterminal">$</span><span class="macro">crate::__pme__suggestions!</span>(<span class="macro-nonterminal">$var </span>$(<span class="macro-nonterminal">$rest</span>)<span class="kw-2">*</span>); |
| }; |
| |
| |
| (<span class="macro-nonterminal">$var</span>:ident <span class="macro-nonterminal">$help</span>:ident = <span class="macro-nonterminal">$msg</span>:expr) => { |
| <span class="kw">let </span><span class="macro-nonterminal">$var </span>= <span class="macro-nonterminal">$var</span>.suggestion(<span class="macro">stringify!</span>(<span class="macro-nonterminal">$help</span>), <span class="macro-nonterminal">$msg</span>.to_string()); |
| }; |
| (<span class="macro-nonterminal">$var</span>:ident <span class="macro-nonterminal">$help</span>:ident = <span class="macro-nonterminal">$fmt</span>:expr, $(<span class="macro-nonterminal">$args</span>:expr),+) => { |
| <span class="kw">let </span><span class="macro-nonterminal">$var </span>= <span class="macro-nonterminal">$var</span>.suggestion( |
| <span class="macro">stringify!</span>(<span class="macro-nonterminal">$help</span>), |
| <span class="macro">format!</span>(<span class="macro-nonterminal">$fmt</span>, $(<span class="macro-nonterminal">$args</span>),<span class="kw-2">*</span>) |
| ); |
| }; |
| (<span class="macro-nonterminal">$var</span>:ident <span class="macro-nonterminal">$help</span>:ident = <span class="macro-nonterminal">$span</span>:expr => <span class="macro-nonterminal">$msg</span>:expr) => { |
| <span class="kw">let </span><span class="macro-nonterminal">$var </span>= <span class="macro-nonterminal">$var</span>.span_suggestion(<span class="macro-nonterminal">$span</span>.into(), <span class="macro">stringify!</span>(<span class="macro-nonterminal">$help</span>), <span class="macro-nonterminal">$msg</span>.to_string()); |
| }; |
| (<span class="macro-nonterminal">$var</span>:ident <span class="macro-nonterminal">$help</span>:ident = <span class="macro-nonterminal">$span</span>:expr => <span class="macro-nonterminal">$fmt</span>:expr, $(<span class="macro-nonterminal">$args</span>:expr),+) => { |
| <span class="kw">let </span><span class="macro-nonterminal">$var </span>= <span class="macro-nonterminal">$var</span>.span_suggestion( |
| <span class="macro-nonterminal">$span</span>.into(), |
| <span class="macro">stringify!</span>(<span class="macro-nonterminal">$help</span>), |
| <span class="macro">format!</span>(<span class="macro-nonterminal">$fmt</span>, $(<span class="macro-nonterminal">$args</span>),<span class="kw-2">*</span>) |
| ); |
| }; |
| |
| (<span class="macro-nonterminal">$var</span>:ident <span class="macro-nonterminal">$help</span>:ident = <span class="macro-nonterminal">$msg</span>:expr ; $(<span class="macro-nonterminal">$rest</span>:tt)<span class="kw-2">*</span>) => { |
| <span class="macro-nonterminal">$</span><span class="macro">crate::__pme__suggestions!</span>(<span class="macro-nonterminal">$var $help </span>= <span class="macro-nonterminal">$msg</span>); |
| <span class="macro-nonterminal">$</span><span class="macro">crate::__pme__suggestions!</span>(<span class="macro-nonterminal">$var </span>$(<span class="macro-nonterminal">$rest</span>)<span class="kw-2">*</span>); |
| }; |
| (<span class="macro-nonterminal">$var</span>:ident <span class="macro-nonterminal">$help</span>:ident = <span class="macro-nonterminal">$fmt</span>:expr, $(<span class="macro-nonterminal">$args</span>:expr),+ ; $(<span class="macro-nonterminal">$rest</span>:tt)<span class="kw-2">*</span>) => { |
| <span class="macro-nonterminal">$</span><span class="macro">crate::__pme__suggestions!</span>(<span class="macro-nonterminal">$var $help </span>= <span class="macro-nonterminal">$fmt</span>, $(<span class="macro-nonterminal">$args</span>),<span class="kw-2">*</span>); |
| <span class="macro-nonterminal">$</span><span class="macro">crate::__pme__suggestions!</span>(<span class="macro-nonterminal">$var </span>$(<span class="macro-nonterminal">$rest</span>)<span class="kw-2">*</span>); |
| }; |
| (<span class="macro-nonterminal">$var</span>:ident <span class="macro-nonterminal">$help</span>:ident = <span class="macro-nonterminal">$span</span>:expr => <span class="macro-nonterminal">$msg</span>:expr ; $(<span class="macro-nonterminal">$rest</span>:tt)<span class="kw-2">*</span>) => { |
| <span class="macro-nonterminal">$</span><span class="macro">crate::__pme__suggestions!</span>(<span class="macro-nonterminal">$var $help </span>= <span class="macro-nonterminal">$span </span>=> <span class="macro-nonterminal">$msg</span>); |
| <span class="macro-nonterminal">$</span><span class="macro">crate::__pme__suggestions!</span>(<span class="macro-nonterminal">$var </span>$(<span class="macro-nonterminal">$rest</span>)<span class="kw-2">*</span>); |
| }; |
| (<span class="macro-nonterminal">$var</span>:ident <span class="macro-nonterminal">$help</span>:ident = <span class="macro-nonterminal">$span</span>:expr => <span class="macro-nonterminal">$fmt</span>:expr, $(<span class="macro-nonterminal">$args</span>:expr),+ ; $(<span class="macro-nonterminal">$rest</span>:tt)<span class="kw-2">*</span>) => { |
| <span class="macro-nonterminal">$</span><span class="macro">crate::__pme__suggestions!</span>(<span class="macro-nonterminal">$var $help </span>= <span class="macro-nonterminal">$span </span>=> <span class="macro-nonterminal">$fmt</span>, $(<span class="macro-nonterminal">$args</span>),<span class="kw-2">*</span>); |
| <span class="macro-nonterminal">$</span><span class="macro">crate::__pme__suggestions!</span>(<span class="macro-nonterminal">$var </span>$(<span class="macro-nonterminal">$rest</span>)<span class="kw-2">*</span>); |
| }; |
| |
| <span class="comment">// trailing commas |
| |
| </span>(<span class="macro-nonterminal">$var</span>:ident <span class="macro-nonterminal">$help</span>:ident = <span class="macro-nonterminal">$msg</span>:expr,) => { |
| <span class="macro-nonterminal">$</span><span class="macro">crate::__pme__suggestions!</span>(<span class="macro-nonterminal">$var $help </span>= <span class="macro-nonterminal">$msg</span>) |
| }; |
| (<span class="macro-nonterminal">$var</span>:ident <span class="macro-nonterminal">$help</span>:ident = <span class="macro-nonterminal">$fmt</span>:expr, $(<span class="macro-nonterminal">$args</span>:expr),+,) => { |
| <span class="macro-nonterminal">$</span><span class="macro">crate::__pme__suggestions!</span>(<span class="macro-nonterminal">$var $help </span>= <span class="macro-nonterminal">$fmt</span>, $(<span class="macro-nonterminal">$args</span>)<span class="kw-2">*</span>) |
| }; |
| (<span class="macro-nonterminal">$var</span>:ident <span class="macro-nonterminal">$help</span>:ident = <span class="macro-nonterminal">$span</span>:expr => <span class="macro-nonterminal">$msg</span>:expr,) => { |
| <span class="macro-nonterminal">$</span><span class="macro">crate::__pme__suggestions!</span>(<span class="macro-nonterminal">$var $help </span>= <span class="macro-nonterminal">$span </span>=> <span class="macro-nonterminal">$msg</span>) |
| }; |
| (<span class="macro-nonterminal">$var</span>:ident <span class="macro-nonterminal">$help</span>:ident = <span class="macro-nonterminal">$span</span>:expr => <span class="macro-nonterminal">$fmt</span>:expr, $(<span class="macro-nonterminal">$args</span>:expr),<span class="kw-2">*</span>,) => { |
| <span class="macro-nonterminal">$</span><span class="macro">crate::__pme__suggestions!</span>(<span class="macro-nonterminal">$var $help </span>= <span class="macro-nonterminal">$span </span>=> <span class="macro-nonterminal">$fmt</span>, $(<span class="macro-nonterminal">$args</span>)<span class="kw-2">*</span>) |
| }; |
| (<span class="macro-nonterminal">$var</span>:ident <span class="macro-nonterminal">$help</span>:ident = <span class="macro-nonterminal">$msg</span>:expr, ; $(<span class="macro-nonterminal">$rest</span>:tt)<span class="kw-2">*</span>) => { |
| <span class="macro-nonterminal">$</span><span class="macro">crate::__pme__suggestions!</span>(<span class="macro-nonterminal">$var $help </span>= <span class="macro-nonterminal">$msg</span>; $(<span class="macro-nonterminal">$rest</span>)<span class="kw-2">*</span>) |
| }; |
| (<span class="macro-nonterminal">$var</span>:ident <span class="macro-nonterminal">$help</span>:ident = <span class="macro-nonterminal">$fmt</span>:expr, $(<span class="macro-nonterminal">$args</span>:expr),+, ; $(<span class="macro-nonterminal">$rest</span>:tt)<span class="kw-2">*</span>) => { |
| <span class="macro-nonterminal">$</span><span class="macro">crate::__pme__suggestions!</span>(<span class="macro-nonterminal">$var $help </span>= <span class="macro-nonterminal">$fmt</span>, $(<span class="macro-nonterminal">$args</span>),<span class="kw-2">*</span>; $(<span class="macro-nonterminal">$rest</span>)<span class="kw-2">*</span>) |
| }; |
| (<span class="macro-nonterminal">$var</span>:ident <span class="macro-nonterminal">$help</span>:ident = <span class="macro-nonterminal">$span</span>:expr => <span class="macro-nonterminal">$msg</span>:expr, ; $(<span class="macro-nonterminal">$rest</span>:tt)<span class="kw-2">*</span>) => { |
| <span class="macro-nonterminal">$</span><span class="macro">crate::__pme__suggestions!</span>(<span class="macro-nonterminal">$var $help </span>= <span class="macro-nonterminal">$span </span>=> <span class="macro-nonterminal">$msg</span>; $(<span class="macro-nonterminal">$rest</span>)<span class="kw-2">*</span>) |
| }; |
| (<span class="macro-nonterminal">$var</span>:ident <span class="macro-nonterminal">$help</span>:ident = <span class="macro-nonterminal">$span</span>:expr => <span class="macro-nonterminal">$fmt</span>:expr, $(<span class="macro-nonterminal">$args</span>:expr),+, ; $(<span class="macro-nonterminal">$rest</span>:tt)<span class="kw-2">*</span>) => { |
| <span class="macro-nonterminal">$</span><span class="macro">crate::__pme__suggestions!</span>(<span class="macro-nonterminal">$var $help </span>= <span class="macro-nonterminal">$span </span>=> <span class="macro-nonterminal">$fmt</span>, $(<span class="macro-nonterminal">$args</span>),<span class="kw-2">*</span>; $(<span class="macro-nonterminal">$rest</span>)<span class="kw-2">*</span>) |
| }; |
| } |
| </code></pre></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> |