rust/tests/ui/diagnostic_namespace/existing_proc_macros.rs
Georg Semmler 5b576665e5
Introduce the #[diagnostic] attribute namespace
Co-authored-by: est31 <est31@users.noreply.github.com>

Co-authored-by: Esteban Kuber <estebank@users.noreply.github.com>

Co-authored-by: Vadim Petrochenkov <vadim.petrochenkov@gmail.com>
2023-07-28 13:28:02 +02:00

25 lines
382 B
Rust

#![feature(diagnostic_namespace)]
// check-pass
// aux-build:proc-macro-helper.rs
extern crate proc_macro_helper;
mod test1 {
use proc_macro_helper::diagnostic;
#[diagnostic]
struct Foo;
}
mod test2 {
mod diagnostic {
pub use proc_macro_helper::diagnostic as on_unimplemented;
}
#[diagnostic::on_unimplemented]
trait Foo {}
}
fn main() {}