rust/tests/ui/nll/issue-78561.rs

24 lines
322 B
Rust

// check-pass
#![feature(impl_trait_in_assoc_type)]
pub trait Trait {
type A;
fn f() -> Self::A;
}
pub trait Tr2<'a, 'b> {}
pub struct A<T>(T);
pub trait Tr {
type B;
}
impl<'a, 'b, T: Tr<B = dyn Tr2<'a, 'b>>> Trait for A<T> {
type A = impl core::fmt::Debug;
fn f() -> Self::A {}
}
fn main() {}