blob: 45b431f6d3068660a4ef2d7472ea5d938a9279ed [file] [log] [blame]
use std::fmt::Debug;
trait Foo {
fn baz(&self) -> impl Debug;
}
impl Foo for u32 {
fn baz(&self) -> impl Debug {
32
}
}
fn main() {
let i = Box::new(42_u32) as Box<dyn Foo>;
//~^ ERROR the trait `Foo` is not dyn compatible
let s = i.baz();
}