rust/tests/ui/traits/object/bounds-cycle-2.rs

29 lines
361 B
Rust

// Check that we don't have a cycle when we try to normalize `Self::V` in the
// bound below.
//@ check-pass
trait Is {
type T;
}
impl<U> Is for U {
type T = U;
}
trait Super {
type V;
}
trait Obj: Super {
type U: Is<T = Self::V>;
}
fn is_obj<T: ?Sized + Obj>(_: &T) {}
fn f(x: &dyn Obj<U = i32, V = i32>) {
is_obj(x)
}
fn main() {}