rust/tests/ui/associated-types/hr-associated-type-bound-pa...

21 lines
429 B
Rust

trait X<'a, T>
where
for<'b> (T,): X<'b, T>,
for<'b> <(T,) as X<'b, T>>::U: Clone,
{
type U: ?Sized;
fn f(x: &<(T,) as X<'_, T>>::U) {
<<(T,) as X<'_, T>>::U>::clone(x);
}
}
impl<S, T> X<'_, T> for (S,) {
type U = str;
//~^ ERROR the trait bound `str: Clone` is not satisfied
}
pub fn main() {
<(i32,) as X<i32>>::f("abc");
//~^ ERROR the trait bound `str: Clone` is not satisfied
}