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#![allow(incomplete_features)]
#![feature(const_mut_refs)]
#![feature(adt_const_params)]
struct T<const B: &'static bool>;
impl <const B: &'static bool> T<B> {
const fn set_false(&self) {
unsafe {
*(B as *const bool as *mut bool) = false;
//~^ ERROR evaluation of constant value failed [E0080]
//~| ERROR assigning to `&T` is undefined behavior
}
}
}
const _: () = {
let x = T::<{&true}>;
x.set_false();
};
fn main() {}
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