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//@ edition: 2024
#![feature(rustc_attrs)]
#![allow(internal_features)]
#![rustc_variance_of_opaques]
use std::ops::Deref;
fn foo(x: Vec<i32>) -> Box<dyn for<'a> Deref<Target = impl ?Sized>> { //~ ERROR ['a: o]
//~^ ERROR cannot capture higher-ranked lifetime
Box::new(x)
}
fn main() {}
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