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Fix fallback fmt expression parser hang

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David Tolnay 2024-11-09 22:18:07 -08:00
parent 5b36e375c2
commit 591a44d9a3
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2 changed files with 21 additions and 0 deletions
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2
impl/src/fmt.rs
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@ -193,6 +193,8 @@ fn fallback_explicit_named_args(input: ParseStream) -> Result<FmtArguments> {
let ident = input.call(Ident::parse_any)?;
input.parse::<Token![=]>()?;
args.named.insert(ident);
} else {
input.parse::<TokenTree>()?;
}
}

19
tests/ui/expression-fallback.stderr Normal file
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@ -0,0 +1,19 @@
error: expected `,`, found `.`
--> tests/ui/expression-fallback.rs:4:11
|
4 | #[error("".yellow)]
| ^ expected `,`
error: argument never used
--> tests/ui/expression-fallback.rs:4:12
|
4 | #[error("".yellow)]
| -- ^^^^^^ argument never used
| |
| formatting specifier missing
error[E0425]: cannot find value `yellow` in this scope
--> tests/ui/expression-fallback.rs:4:12
|
4 | #[error("".yellow)]
| ^^^^^^ not found in this scope