struct Data<'a> {
    some_ref: &'a i32,
}


struct S<'a, 'b> {
    pub some_ref_to_data: &'a mut Data<'b>,
}

fn main() {
    let mut data = Data {
        some_ref: &32,
    };

    let mut _s = S {
        some_ref_to_data: &mut data,
    };

    let _t = &data;
}