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Add regression test for macro matcher dollar suggestion #157198

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Add regression test for macro matcher dollar suggestion #157198

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4 changes: 4 additions & 0 deletions tests/ui/macros/macro-missing-fragment.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -17,6 +17,10 @@ macro_rules! accidental_dollar_prefix {
( $test:$tt ) => {}; //~ ERROR missing fragment
}

macro_rules! accidental_dollar_prefix_in_repetition {
( $($e:$expr),* ) => {}; //~ ERROR missing fragment
}

fn main() {
used_arm!();
used_macro_unused_arm!();
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16 changes: 15 additions & 1 deletion tests/ui/macros/macro-missing-fragment.stderr
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Expand Up @@ -51,5 +51,19 @@ LL - ( $test:$tt ) => {};
LL + ( $test:tt ) => {};
|

error: aborting due to 4 previous errors
error: missing fragment specifier
--> $DIR/macro-missing-fragment.rs:21:12
|
LL | ( $($e:$expr),* ) => {};
| ^
|
= note: fragment specifiers must be provided
= help: valid fragment specifiers are `ident`, `block`, `stmt`, `expr`, `pat`, `ty`, `lifetime`, `literal`, `path`, `meta`, `tt`, `item` and `vis`, along with `expr_2021` and `pat_param` for edition compatibility
help: fragment specifiers should not be prefixed with `$`
|
LL - ( $($e:$expr),* ) => {};
LL + ( $($e:expr),* ) => {};
|

error: aborting due to 5 previous errors

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