rust/tests/ui/coherence/coherence-overlap-negate-not-use-feature-gate.rs
2023-01-11 09:32:08 +00:00

9 lines
182 B
Rust

use std::ops::DerefMut;
trait Foo {}
impl<T: DerefMut> Foo for T {}
impl<U> Foo for &U {}
//~^ ERROR: conflicting implementations of trait `Foo` for type `&_` [E0119]
fn main() {}