//@ run-pass
//@ edition: 2024
#![feature(mut_ref, ref_pat_eat_one_layer_2024)]
#![allow(incomplete_features, unused)]
struct Foo(u8);
fn main() {
let Foo(mut a) = &Foo(0);
a = &42;
let Foo(mut a) = &mut Foo(0);
a = &mut 42;
}