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[rust.git] / src / test / ui / feature-gates / feature-gate-marker_trait_attr.rs
1 use std::fmt::{Debug, Display};
2
3 #[marker] trait ExplicitMarker {}
4 //~^ ERROR the `#[marker]` attribute is an experimental feature
5
6 impl<T: Display> ExplicitMarker for T {}
7 impl<T: Debug> ExplicitMarker for T {}
8
9 fn main() {}