blob: cd07b590a616a282fdbad87635d4c3344ff754af (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
|
#![warn(clippy::uninhabited_references)]
#![feature(never_type)]
fn ret_uninh_ref() -> &'static std::convert::Infallible {
unsafe { std::mem::transmute(&()) }
}
macro_rules! ret_something {
($name:ident, $ty:ty) => {
fn $name(x: &$ty) -> &$ty {
&*x
}
};
}
ret_something!(id_u32, u32);
ret_something!(id_never, !);
fn main() {
let x = ret_uninh_ref();
let _ = *x;
}
|