File: object-fail.rs

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rustc 1.85.0%2Bdfsg3-1
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#![feature(trait_alias)]

trait EqAlias = Eq;
trait IteratorAlias = Iterator;

fn main() {
    let _: &dyn EqAlias = &123;
    //~^ ERROR the trait `Eq` cannot be made into an object [E0038]
    let _: &dyn IteratorAlias = &vec![123].into_iter();
    //~^ ERROR must be specified
}