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8fb98ef368
This handles various kinds of errors, but does not allow applying the derive yet. This adds the feature gate `macro_derive`.
32 lines
914 B
Plaintext
32 lines
914 B
Plaintext
error: `attr` rule argument matchers require parentheses
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--> $DIR/macro-attr-recovery.rs:5:9
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LL | attr[$($args:tt)*] { $($body:tt)* } => {
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| ^^^^^^^^^^^^^^
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help: the delimiters should be `(` and `)`
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LL - attr[$($args:tt)*] { $($body:tt)* } => {
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LL + attr($($args:tt)*) { $($body:tt)* } => {
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error: attr: args="" body="struct S;"
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--> $DIR/macro-attr-recovery.rs:8:9
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LL | / compile_error!(concat!(
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LL | | "attr: args=\"",
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LL | | stringify!($($args)*),
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LL | | "\" body=\"",
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LL | | stringify!($($body)*),
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LL | | "\"",
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LL | | ));
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| |__________^
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...
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LL | #[attr]
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| ------- in this attribute macro expansion
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= note: this error originates in the attribute macro `attr` (in Nightly builds, run with -Z macro-backtrace for more info)
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error: aborting due to 2 previous errors
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