flowly_core/
void.rs

1#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash)]
2pub enum Void {}
3impl std::fmt::Display for Void {
4    fn fmt(&self, _: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
5        unreachable!()
6    }
7}
8impl std::error::Error for Void {}