rust/tests/ui/issues/issue-51044.rs

31 lines
436 B
Rust

//@ run-pass
// regression test for issue #50825
// Check that the feature gate normalizes associated types.
#![allow(dead_code)]
struct Foo<T>(T);
struct Duck;
struct Quack;
trait Hello<A> where A: Animal {
}
trait Animal {
type Noise;
}
trait Loud<R> {
}
impl Loud<Quack> for f32 {
}
impl Animal for Duck {
type Noise = Quack;
}
impl Hello<Duck> for Foo<f32> where f32: Loud<<Duck as Animal>::Noise> {
}
fn main() {}