1#[derive(Clone, Copy, Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
2pub enum Never {}
3
4#[cfg(test)]
5mod tests {
6 use std::mem::size_of;
7
8 use super::*;
9
10 #[test]
11 fn size_of_never_is_zero() {
12 assert_eq!(0, size_of::<Never>());
13 }
14}