rust/tests/ui/issues/issue-46438.rs

macro_rules! m {
    ($my_type: ty) => {
        impl $my_type for u8 {}
    }
}

trait Tr {}

m!(Tr);

m!(&'static u8); //~ ERROR expected a trait, found type

fn main() {}
syntax: Rewrite parsing of impls Properly parse impls for the never type `!` Recover from missing `for` in `impl Trait for Type` Prohibit inherent default impls and default impls of auto traits Change wording in more diagnostics to use "auto traits" Some minor code cleanups in the parser 2017-12-02 19:15:03 +00:00			`macro_rules! m {`
			`($my_type: ty) => {`
			`impl $my_type for u8 {}`
			`}`
			`}`

Do not abort compilation if expansion produces errors Fix a number of uncovered deficiencies in diagnostics 2018-12-16 17:23:27 +00:00			`trait Tr {}`
syntax: Rewrite parsing of impls Properly parse impls for the never type `!` Recover from missing `for` in `impl Trait for Type` Prohibit inherent default impls and default impls of auto traits Change wording in more diagnostics to use "auto traits" Some minor code cleanups in the parser 2017-12-02 19:15:03 +00:00
			`m!(Tr);`

			`m!(&'static u8); //~ ERROR expected a trait, found type`

			`fn main() {}`