rust/tests/ui/type-alias-impl-trait/issue-94429.rs

25 lines
489 B
Rust

#![feature(impl_trait_in_assoc_type, coroutine_trait, coroutines)]
use std::ops::Coroutine;
trait Runnable {
type Coro: Coroutine<Yield = (), Return = ()>;
fn run(&mut self) -> Self::Coro;
}
struct Implementor {}
impl Runnable for Implementor {
type Coro = impl Coroutine<Yield = (), Return = ()>;
fn run(&mut self) -> Self::Coro {
//~^ ERROR: type mismatch resolving
#[coroutine]
move || {
yield 1;
}
}
}
fn main() {}