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use std::marker::PhantomData;
#[derive(PartialEq, Eq)]
pub struct InvariantRef<'a, T: ?Sized>(&'a T, PhantomData<&'a mut &'a T>);
impl<'a, T: ?Sized> InvariantRef<'a, T> {
pub const fn new(r: &'a T) -> Self {
InvariantRef(r, PhantomData)
}
}
impl<'a> InvariantRef<'a, ()> {
pub const NEW: Self = InvariantRef::new(&());
}
fn equate<T>(x: T, y: T){}
fn foo<'a>() {
let y = ();
equate(InvariantRef::new(&y), const { InvariantRef::<'a>::NEW });
//~^ ERROR `y` does not live long enough [E0597]
}
fn main() {
foo();
}
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