rust/tests/ui/deriving/issue-89188-gat-hrtb.rs

38 lines
777 B
Rust

//@ check-pass
trait CallWithShim: Sized {
type Shim<'s>
where
Self: 's;
}
#[derive(Clone)]
struct ShimMethod<T: CallWithShim + 'static>(pub &'static dyn for<'s> Fn(&'s mut T::Shim<'s>));
trait CallWithShim2: Sized {
type Shim<T>;
}
struct S<'s>(&'s ());
#[derive(Clone)]
struct ShimMethod2<T: CallWithShim2 + 'static>(pub &'static dyn for<'s> Fn(&'s mut T::Shim<S<'s>>));
trait Trait<'s, 't, 'u> {}
#[derive(Clone)]
struct ShimMethod3<T: CallWithShim2 + 'static>(
pub &'static dyn for<'s> Fn(
&'s mut T::Shim<dyn for<'t> Fn(&'s mut T::Shim<dyn for<'u> Trait<'s, 't, 'u>>)>,
),
);
trait Trait2 {
type As;
}
#[derive(Clone)]
struct ShimMethod4<T: Trait2 + 'static>(pub &'static dyn for<'s> Fn(&'s mut T::As));
pub fn main() {}