rust/tests/ui/traits/custom-on-unimplemented-dia...

20 lines
351 B
Rust

#[diagnostic::on_unimplemented(message = "my message", label = "my label", note = "my note")]
pub trait ProviderLt {}
pub trait ProviderExt {
fn request<R>(&self) {
todo!()
}
}
impl<T: ?Sized + ProviderLt> ProviderExt for T {}
struct B;
fn main() {
B.request();
//~^ my message [E0599]
//~| my label
//~| my note
}