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// run-pass
#![feature(dyn_star, trait_upcasting)]
#![allow(incomplete_features)]
trait Foo: Bar {
fn hello(&self);
}
trait Bar {
fn world(&self);
}
struct W(usize);
impl Foo for W {
fn hello(&self) {
println!("hello!");
}
}
impl Bar for W {
fn world(&self) {
println!("world!");
}
}
fn main() {
let w: dyn* Foo = W(0);
w.hello();
let w: dyn* Bar = w;
w.world();
}
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