rust/tests/ui/specialization/min_specialization/specialization_marker.rs
2023-01-11 09:32:08 +00:00

18 lines
327 B
Rust

// Test that `rustc_unsafe_specialization_marker` is only allowed on marker traits.
#![feature(rustc_attrs)]
#[rustc_unsafe_specialization_marker]
trait SpecMarker {
fn f();
//~^ ERROR marker traits
}
#[rustc_unsafe_specialization_marker]
trait SpecMarker2 {
type X;
//~^ ERROR marker traits
}
fn main() {}