rust/tests/ui/traits/trait-upcasting/multiple-supertraits-modulo-binder.rs

24 lines
558 B
Rust

// Test for <https://github.com/rust-lang/rust/issues/135316>.
//
//@ run-pass
//@ check-run-results
trait Supertrait<T> {
fn _print_numbers(&self, mem: &[usize; 100]) {
println!("{mem:?}");
}
}
impl<T> Supertrait<T> for () {}
trait Trait<T, U>: Supertrait<T> + Supertrait<U> {
fn say_hello(&self, _: &usize) {
println!("Hello!");
}
}
impl<T, U> Trait<T, U> for () {}
fn main() {
(&() as &'static dyn for<'a> Trait<&'static (), &'a ()>
as &'static dyn Trait<&'static (), &'static ()>)
.say_hello(&0);
}