about summary refs log tree commit diff
path: root/tests/ui/inline-const/const-expr-lifetime-err.rs
blob: 8e8e01467287a5834434133a45de18e127b5a65a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
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();
}