// Regression test for #68644
trait Fun {
type F<'a>: Fn() -> u32;
fn callme<'a>(f: Self::F<'a>) -> u32 {
f()
}
impl<T> Fun for T {
type F<'a> = Self;
//~^ ERROR expected a `Fn()` closure, found `T`
fn main() {
<u8>::callme(0);