rust/tests/ui/traits/default-method/supervtable.rs
2023-01-11 09:32:08 +00:00

29 lines
389 B
Rust

// run-pass
// Tests that we can call a function bounded over a supertrait from
// a default method
fn require_y<T: Y>(x: T) -> isize { x.y() }
trait Y {
fn y(self) -> isize;
}
trait Z: Y + Sized {
fn x(self) -> isize {
require_y(self)
}
}
impl Y for isize {
fn y(self) -> isize { self }
}
impl Z for isize {}
pub fn main() {
assert_eq!(12.x(), 12);
}