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//@ check-pass
trait Trait1 {
type Assoc1: Bar;
fn assoc(self) -> Self::Assoc1;
}
impl Trait1 for () {
type Assoc1 = ();
fn assoc(self) {}
}
trait Foo {}
impl Foo for () {}
trait Bar {}
impl Bar for () {}
fn hello() -> impl Trait1<Assoc1: Foo> {
()
}
fn world() {
// Tests that `Assoc1: Foo` bound in the RPIT doesn't disqualify
// the `Assoc1: Bar` bound in the item, as a nested RPIT desugaring
// would do.
fn is_foo(_: impl Foo) {}
is_foo(hello().assoc());
fn is_bar(_: impl Bar) {}
is_bar(hello().assoc());
}
fn main() {}
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