rust/tests/ui/associated-consts/associated-const-use-impl-o...

26 lines
470 B
Rust

//@ run-pass
// The main purpose of this test is to ensure that different impls of the same
// trait can refer to each other without setting off the static recursion check
// (as long as there's no actual recursion).
trait Foo {
const BAR: u32;
}
struct IsFoo1;
impl Foo for IsFoo1 {
const BAR: u32 = 1;
}
struct IsFoo2;
impl Foo for IsFoo2 {
const BAR: u32 = <IsFoo1 as Foo>::BAR;
}
fn main() {
assert_eq!(<IsFoo1>::BAR, <IsFoo2 as Foo>::BAR);
}